fix(agent): branch on a dedicated-summarizer flag instead of comparing providers

Review follow-ups for #532: - summarizeProvider now reports whether the dedicated summarizer was selected and summarizeClosure branches on that flag; the previous `chosen == provider` compared Provider interface values, which panics when the dynamic type is not comparable. Regression test uses a provider with a slice field for both the summarizer and the main provider. - CompactionModelID's curated-default test covers the official OpenAI profile alongside Anthropic and Google. Co-Authored-By: Claude Fable 5 <[email protected]> Claude-Session: https://claude.ai/code/session_012JqvAf7zsP1qYFVZayKXHq
perf(agent): cheap compaction — dedicated summarizer model, input caps, free reactive prune, window re-derive
2026-11-08 09:49:34 -10:00 · 2026-08-25 20:49:40 +08:00 · 2026-08-25 20:37:14 +08:00
935 changed files with 5356 additions and 60148 deletions
@@ -29,9 +29,6 @@ reviews:
    - path: "tests/**/*.ts"
      instructions: |
        Review tests for Bun test idioms, deterministic behavior, and meaningful coverage of safety decisions, provider/runtime flows, session events, and TUI command behavior.
-    - path: "**/*.go"
-      instructions: |
-        Do not request Plan 9 or other unsupported GOOS/GOARCH shims. The five native prebuilt release targets are linux-x64, linux-arm64, macos-arm64, macos-x64, and windows-x64. Android/Termux is also a supported runtime through the documented android-arm64 source build and Linux artifact fallback. Other GOOS/GOARCH combinations are not a review criterion.
  tools:
    github-checks:
      timeout_ms: 300000
@@ -1,11 +1,11 @@
 blank_issues_enabled: false
 contact_links:
  - name: Questions and setup help
-    url: https://github.com/Twigpine/zero/discussions/categories/q-a
+    url: https://github.com/Gitlawb/zero/discussions/categories/q-a
    about: Ask in Discussions Q&A. Include zero --version, your OS, provider/model, and zero doctor output for setup problems.
  - name: Feature ideas
-    url: https://github.com/Twigpine/zero/discussions/categories/ideas
+    url: https://github.com/Gitlawb/zero/discussions/categories/ideas
    about: Propose and discuss ideas in Discussions before opening a PR (Zero is in controlled development, see CONTRIBUTING.md).
  - name: Security vulnerability
-    url: https://github.com/Twigpine/zero/security/advisories/new
+    url: https://github.com/Gitlawb/zero/security/advisories/new
    about: Report security issues privately via GitHub Security Advisories (see SECURITY.md). Do not file a public issue.
@@ -5,7 +5,7 @@ body:
  - type: markdown
    attributes:
      value: |
-        New feature ideas start in [Discussions Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas),
+        New feature ideas start in [Discussions Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas),
        not here. This form is for the step after that: an idea that gained traction in Discussions,
        or one a maintainer asked to have tracked as an issue. Please link the discussion below.
        Do not begin implementation until the issue has been reviewed and marked with the
@@ -6,109 +6,10 @@ on:
    branches:
      - main

-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
-
-permissions:
-  contents: read
-
 jobs:
-  quality:
-    name: Code Quality & Lint
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    permissions:
-      contents: read
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.2.2
-        with:
-          persist-credentials: false
-
-      - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.3.0
-        with:
-          go-version-file: go.mod
-          cache: true
-
-      - name: Check formatting
-        run: make fmt-check
-
-      - name: Vet
-        run: go vet ./...
-
-      - name: deadcode (advisory)
-        continue-on-error: true
-        run: make deadcode
-
-      - name: golangci-lint (advisory)
-        continue-on-error: true
-        run: make lint-static
-
-  test:
-    name: Unit Tests & Coverage
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    permissions:
-      contents: read
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.2.2
-        with:
-          persist-credentials: false
-
-      - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.3.0
-        with:
-          go-version-file: go.mod
-          cache: true
-
-      - name: Test with coverage
-        run: |
-          go test -count=1 -coverprofile=coverage.out -covermode=atomic ./...
-
-      - name: Publish coverage summary
-        if: always()
-        shell: bash
-        run: |
-          if [ -f coverage.out ]; then
-            go tool cover -func=coverage.out | awk '
-            BEGIN {
-              total = "unknown"
-              rows = ""
-            }
-            $1 == "total:" {
-              total = $3
-              next
-            }
-            {
-              rows = rows sprintf("| `%s` | `%s` | **%s** |\n", $1, $2, $3)
-            }
-            END {
-              print "### 📊 Test Coverage Summary: **" total "**"
-              print "<details><summary>Coverage per function</summary>\n"
-              print "| File | Function | Coverage |"
-              print "| :--- | :--- | :--- |"
-              printf "%s", rows
-              print "</details>"
-            }' >> "$GITHUB_STEP_SUMMARY"
-          fi
-
-      - name: Upload coverage artifact
-        if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        with:
-          name: zero-coverage-report
-          path: coverage.out
-          if-no-files-found: warn
-
  smoke:
    name: Smoke (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
-    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
@@ -117,40 +18,6 @@ jobs:
          - macos-latest
          - windows-latest

-    permissions:
-      contents: read
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.2.2
-        with:
-          persist-credentials: false
-
-      - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.3.0
-        with:
-          go-version-file: go.mod
-          cache: true
-
-      - name: Test (Fast Non-Race)
-        run: go test ./...
-
-      - name: Build binary
-        run: go run ./cmd/zero-release build
-
-      - name: Smoke binary
-        run: go run ./cmd/zero-release smoke
-
-  race:
-    name: Race Detector
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    # A race the detector newly reports can present as a deadlock rather than a
-    # failure, and the default job timeout is six hours. This job is expected to
-    # be the longest in the workflow, so the ceiling is generous but finite.
-    timeout-minutes: 30
-
    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
@@ -163,29 +30,72 @@ jobs:
          go-version-file: go.mod
          cache: true

-      # Invoke the Makefile target rather than repeating its flags. `make test`
-      # is already `go test ./... -race -count=1`, so running it here is what
-      # stops the project's declared test command and what CI actually runs
-      # from drifting apart again. The race detector needs cgo, which the
-      # hosted ubuntu runner supplies without an extra setup step.
-      - name: Test with the race detector
-        run: make test
+      - name: Install Make on Windows
+        if: matrix.os == 'windows-latest'
+        shell: pwsh
+        run: choco install make --no-progress -y
+
+      - name: Validate quality targets with stock macOS Make
+        if: matrix.os == 'macos-latest'
+        env:
+          GIT_CONFIG_COUNT: 1
+          GIT_CONFIG_KEY_0: grep.patternType
+          GIT_CONFIG_VALUE_0: fixed
+        run: make -n vulncheck
+
+      - name: Check vulnerabilities through native Windows Make
+        if: matrix.os == 'windows-latest'
+        shell: cmd
+        run: make vulncheck
+
+      - name: Check dead code through native Windows Make
+        if: matrix.os == 'windows-latest'
+        continue-on-error: true
+        shell: cmd
+        run: make deadcode
+
+      - name: Run static lint through native Windows Make
+        if: matrix.os == 'windows-latest'
+        continue-on-error: true
+        shell: cmd
+        run: make lint-static
+
+      - name: Check formatting
+        if: matrix.os == 'ubuntu-latest'
+        shell: bash
+        run: |
+          unformatted="$(gofmt -l .)"
+          if [ -n "$unformatted" ]; then
+            echo "gofmt needed on:" >&2
+            echo "$unformatted" >&2
+            exit 1
+          fi
+
+      - name: Vet
+        if: matrix.os == 'ubuntu-latest'
+        run: go vet ./...
+
+      - name: Test
+        run: go test ./...
+
+      - name: Build binary
+        run: go run ./cmd/zero-release build
+
+      - name: Smoke binary
+        run: go run ./cmd/zero-release smoke

  performance:
    name: Performance Smoke
    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    permissions:
-      contents: read

    steps:
      - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.2.2
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          persist-credentials: false

      - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.3.0
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
        with:
          go-version-file: go.mod
          cache: true
@@ -194,39 +104,51 @@ jobs:
        run: go run ./cmd/zero-release build

      - name: Performance smoke
-        run: |
-          mkdir -p dist/perf
-          go run ./cmd/zero-perf-bench --output dist/perf/perf-bench.json --ci
+        run: go run ./cmd/zero-perf-bench --output dist/perf/perf-bench.json --ci

      - name: Upload performance report
        if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: zero-performance-smoke
          path: dist/perf/perf-bench.json
          if-no-files-found: warn

  security:
-    name: Security & Code Health
+    name: Security & code health
    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    permissions:
-      contents: read

    steps:
      - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.2.2
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          persist-credentials: false

      - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.3.0
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
        with:
          go-version-file: go.mod
          cache: true

-      - name: govulncheck (linux)
+      # Hard gate: fails the build when code reaches a known vulnerability. A stdlib
+      # CVE is cleared by a toolchain bump (see go.mod). May also flag a newly
+      # published advisory on an unrelated PR — intentional: do not ship known vulns.
+      - name: govulncheck
        run: make vulncheck

-      - name: govulncheck (windows)
-        run: make vulncheck-windows
+      # Advisory: reports functions unreachable from any cmd/* main so dormant
+      # code is visible in CI. Non-blocking while the dormant subsystems are
+      # still being wired or removed.
+      - name: deadcode (advisory)
+        continue-on-error: true
+        run: make deadcode
+
+      # Advisory: catches what deadcode's whole-program reachability analysis
+      # doesn't, unused private functions/assignments reachable within a
+      # package but never actually called, plus staticcheck-style correctness
+      # and readability issues. Scoped to a few linters rather than the full
+      # default battery, and non-blocking, while the existing findings across
+      # the repo are cleaned up incrementally (see #527).
+      - name: golangci-lint (advisory)
+        continue-on-error: true
+        run: make lint-static
@@ -24,7 +24,6 @@ jobs:
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          fetch-depth: 0
-          persist-credentials: false

      - name: Setup Go
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
@@ -34,15 +34,12 @@ jobs:
      - name: Checkout
        if: ${{ github.event_name != 'workflow_dispatch' || inputs.ref == '' }}
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
-        with:
-          persist-credentials: false

      - name: Checkout requested ref
        if: ${{ github.event_name == 'workflow_dispatch' && inputs.ref != '' }}
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          ref: ${{ inputs.ref }}
-          persist-credentials: false

      - name: Setup Go
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
@@ -100,21 +97,19 @@ jobs:
          gh release create "$tag" --repo "$GITHUB_REPOSITORY" --title "$tag" --generate-notes 2>/dev/null || true
          gh release upload "$tag" dist/release/* --repo "$GITHUB_REPOSITORY" --clobber

-  # Publishes the npm package named in package.json (@twigpine/zero): first
-  # the five platform payloads (versions of the SAME package at suffixed
-  # versions like X.Y.Z-linux-x64, carrying the native binary + vendored
-  # helpers), then the wrapper at X.Y.Z whose optionalDependencies alias those
-  # platform versions. Platform versions MUST publish first — the wrapper pins
-  # them exactly, so the reverse order would open a window where installs
-  # resolve aliases that 404. See docs/NPM_PACKAGING.md for the full contract.
+  # Publishes @gitlawb/zero to npm: first the five platform payloads (versions
+  # of the SAME package at suffixed versions like X.Y.Z-linux-x64, carrying the
+  # native binary + vendored helpers), then the wrapper at X.Y.Z whose
+  # optionalDependencies alias those platform versions. Platform versions MUST
+  # publish first — the wrapper pins them exactly, so the reverse order would
+  # open a window where installs resolve aliases that 404. See
+  # docs/NPM_PACKAGING.md for the full contract.
  #
  # Auth is npm OIDC trusted publishing: no NPM_TOKEN secret. The package's
-  # npmjs.com settings must list this repo + workflow file + the npm-publish
-  # environment as a trusted publisher, and provenance is then generated
-  # automatically. npm checks provenance against package.json `repository`,
-  # so that must name this repository. Note npm only allows configuring a
-  # trusted publisher on an EXISTING package, so a new package name starts
-  # with a one-time manual `npm publish` of an empty 0.0.0 placeholder.
+  # npmjs.com settings must list this repo + workflow file as a trusted
+  # publisher, and provenance is then generated automatically. Note npm only
+  # allows configuring a trusted publisher on an EXISTING package, so the very
+  # first @gitlawb/zero publish is a one-time manual `npm publish` bootstrap.
  # Because the platform payloads are versions of the same package, they reuse
  # that single trusted-publisher configuration.
  publish-npm:
@@ -127,15 +122,13 @@ jobs:
    # maintainer approves it in the Actions UI before anything reaches npm.
    environment:
      name: npm-publish
-      url: https://www.npmjs.com/package/@twigpine/zero
+      url: https://www.npmjs.com/package/@gitlawb/zero
    permissions:
      contents: read
      id-token: write # OIDC token exchange for npm trusted publishing + provenance
    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
-        with:
-          persist-credentials: false

      # No registry-url here on purpose: setup-node's registry-url writes an
      # .npmrc line referencing $NODE_AUTH_TOKEN, and npm hard-fails on the
@@ -203,13 +196,47 @@ jobs:
      - name: Assemble npm packages
        run: node scripts/npm/build-platform-packages.mjs --artifacts-dir dist/artifacts --out-dir dist/npm

-      # Platform payloads first under the `platform` dist-tag, then the wrapper,
-      # with the `latest` dist-tag checked before and after (platform versions
-      # are semver PRERELEASES of the wrapper version and must never become
-      # `latest`). npm applies publishes asynchronously, so the script waits
-      # until npm shows every platform version before the wrapper goes out,
-      # and until `latest` moves after it. Versions already on the registry
-      # are skipped, so "Re-run failed jobs" is safe after a partial publish.
-      - name: Publish npm packages
+      # Platform versions are semver PRERELEASES of the wrapper version
+      # (X.Y.Z-linux-x64), so they must never publish under the default
+      # `latest` dist-tag — that would make `npm install @gitlawb/zero`
+      # deliver a platform payload as the CLI. Publish them under a dedicated
+      # tag and assert `latest` survived before the wrapper goes out.
+      - name: Publish platform packages to npm
        shell: bash
-        run: scripts/npm/publish-packages.sh dist/npm
+        run: |
+          version="$(node -p "require('./package.json').version")"
+          for dir in dist/npm/platforms/*/; do
+            echo "publishing ${dir}"
+            (cd "$dir" && npm publish --access public --tag platform)
+          done
+          # Tolerate a failed lookup (registry lag, or no latest tag yet on a
+          # bootstrap publish): under set -e a bare failure here would abort
+          # AFTER the platform payloads went out, leaving no wrapper and a
+          # re-run that fails on republishing existing versions. An empty
+          # value falls through the guard below.
+          latest="$(npm view @gitlawb/zero dist-tags.latest || true)"
+          case "$latest" in
+            "${version}-"*)
+              echo "::error::dist-tag latest points at platform version ${latest} — a platform publish clobbered it. Fix the dist-tag before the wrapper publish." >&2
+              exit 1
+              ;;
+          esac
+          echo "dist-tag latest is ${latest} (unchanged by platform publishes)."
+
+      - name: Publish wrapper to npm
+        shell: bash
+        run: |
+          version="$(node -p "require('./package.json').version")"
+          (cd dist/npm/wrapper && npm publish --access public)
+          # Confirm the wrapper owns `latest` (retry: registry metadata can lag
+          # a publish by a few seconds).
+          for attempt in 1 2 3 4 5; do
+            latest="$(npm view @gitlawb/zero dist-tags.latest || true)"
+            if [ "$latest" = "$version" ]; then
+              echo "dist-tag latest is ${version}."
+              exit 0
+            fi
+            sleep 5
+          done
+          echo "::error::dist-tag latest is ${latest}, expected ${version} after the wrapper publish." >&2
+          exit 1
@@ -5,8 +5,6 @@ on:
    paths:
      - action.yml
      - docs/GITHUB_ACTION.md
-      - scripts/action-summary.mjs
-      - scripts/action-summary.test.mjs
      - .github/workflows/zero-action-smoke.yml
  push:
    branches:
@@ -14,13 +12,8 @@ on:
    paths:
      - action.yml
      - docs/GITHUB_ACTION.md
-      - scripts/action-summary.mjs
-      - scripts/action-summary.test.mjs
      - .github/workflows/zero-action-smoke.yml

-permissions:
-  contents: read
-
 jobs:
  validate:
    name: Validate action.yml
@@ -31,14 +24,6 @@ jobs:
        with:
          persist-credentials: false

-      - name: Setup Node
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
-        with:
-          node-version: 24
-
-      - name: Run action-summary test suite
-        run: node --test scripts/action-summary.test.mjs
-
      - name: Parse action.yml and assert documented inputs
        shell: bash
        run: |
@@ -1 +1 @@
-{".":"0.11.0"}
+{".":"0.8.0"}
@@ -81,13 +81,6 @@ These classes drive multi-round reviews. Fix them before requesting review:
  assert raw `t.TempDir()` spellings (`/var` vs `/private/var` on macOS, short
  paths on Windows). Prefer one cross-platform function with small `GOOS`
  checks over duplicated helpers that drift.
- **Supported targets only:** CONTRIBUTING.md names the five native prebuilt
-  release artifacts (`linux-x64`, `linux-arm64`, `macos-arm64`, `macos-x64`,
-  `windows-x64`) and the additional supported Android/Termux source-build and
-  artifact-fallback path. Other `GOOS`/`GOARCH` combinations, including
-  `plan9`, are unsupported and are not a review criterion. Do not block a PR
-  for failing to compile on an unsupported `GOOS`/`GOARCH`. Tests may use
-  `plan9` as a fixture for "unsupported".
 - **Security edges:** Keep secrets out of argv, env dumps, and logs. Redact
  success and error paths (including stderr). Fail closed on ownership, lease,
  and permission checks. Do not rely on pre-open path resolution
@@ -6,125 +6,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 aims to follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html) once the first release is
 tagged. Until then, source builds report the version `dev`.

-## [0.11.0](https://github.com/Twigpine/zero/compare/v0.10.0...v0.11.0) (2026-10-15)
-
-
-### Features
-
-* **providers:** add Concentrate provider preset ([#1147](https://github.com/Twigpine/zero/issues/1147)) ([61b0936](https://github.com/Twigpine/zero/commit/61b09364f0f45b0fa8aebaf0a6c3d1c55dbe01c3))
-
-
-### Bug Fixes
-
-* **cli:** let providers subcommands run with no active provider ([#1143](https://github.com/Twigpine/zero/issues/1143)) ([d1a0d04](https://github.com/Twigpine/zero/commit/d1a0d048ee2c1e7cbfb75160ec4c9f099f3c4472))
-* **npm:** wait for npm to apply each publish, and drop the one-time @gitlawb/zero steps ([#1145](https://github.com/Twigpine/zero/issues/1145)) ([8e363fc](https://github.com/Twigpine/zero/commit/8e363fcaa5d51bf5b5b244692dc61bf8d4ae8799))
-* **tui,cli:** stop a repository's git config from running programs in Zero's own git calls ([#1133](https://github.com/Twigpine/zero/issues/1133)) ([640d936](https://github.com/Twigpine/zero/commit/640d936bfbe00c4cd3017ca35fb7b5c15d91a1c5))
-* **workspaceindex:** skip git-ignored and build-cache dirs in Scan only ([#1117](https://github.com/Twigpine/zero/issues/1117)) ([c88c77b](https://github.com/Twigpine/zero/commit/c88c77bf701039dca01d9786bf5648d779c949b3))
-
-
-### Performance Improvements
-
-* **redaction:** add fast-path byte checks to eliminate regex allocations on clean strings ([#945](https://github.com/Twigpine/zero/issues/945)) ([ce2fcff](https://github.com/Twigpine/zero/commit/ce2fcffaf10d8e8c8c5a13e06fd7809f09fc9867))
-
-## [0.10.0](https://github.com/Twigpine/zero/compare/v0.9.0...v0.10.0) (2026-10-15)
-
-
-### Features
-
-* **notify:** make permission-prompt alerts on by default and discoverable ([#1001](https://github.com/Twigpine/zero/issues/1001)) ([7f8e5f0](https://github.com/Twigpine/zero/commit/7f8e5f08bb83371ce16cc54c97ab032a010026cf))
-* **npm:** publish as @twigpine/zero ([#1142](https://github.com/Twigpine/zero/issues/1142)) ([530563a](https://github.com/Twigpine/zero/commit/530563a0bb58d3cbadceb97b3ee234ef763124df))
-* **providers:** add GMI Cloud provider preset and partner listing ([#1127](https://github.com/Twigpine/zero/issues/1127)) ([1335ca6](https://github.com/Twigpine/zero/commit/1335ca6671023ecda81a3cfaae7e9f2ff5d6e0de))
-* **providers:** opt-in ZERO_RESPONSE_HEADER_TIMEOUT override for slow first-byte deployments ([#1106](https://github.com/Twigpine/zero/issues/1106)) ([ddc45f2](https://github.com/Twigpine/zero/commit/ddc45f2c8152fdd04b45dc11ed20d246fe7740a5))
-* **runtime:** add process-local per-model RPM admission limits ([#1116](https://github.com/Twigpine/zero/issues/1116)) ([eebb384](https://github.com/Twigpine/zero/commit/eebb384676fb567acc1f5a20dcbb17df8a03dc42))
-* **sessions:** add zero sessions prune, which never removes a session another process has open ([#1089](https://github.com/Twigpine/zero/issues/1089)) ([23c27e0](https://github.com/Twigpine/zero/commit/23c27e0778e3af54c04b8749d1eda846d3253f4e))
-
-
-### Bug Fixes
-
-* **acp:** persist the session permission mode across restarts ([#1134](https://github.com/Twigpine/zero/issues/1134)) ([bb96206](https://github.com/Twigpine/zero/commit/bb96206c2781e846fd13437113eec5790afe9c81)), closes [#1125](https://github.com/Twigpine/zero/issues/1125)
-* **acp:** persist token usage events for ACP sessions ([#1137](https://github.com/Twigpine/zero/issues/1137)) ([300cf62](https://github.com/Twigpine/zero/commit/300cf6275f8c94f06da3f00197d21cb8771842d9)), closes [#1118](https://github.com/Twigpine/zero/issues/1118)
-* **acp:** publish sub-run sessions loaded over ACP as view-only ([#1078](https://github.com/Twigpine/zero/issues/1078)) ([7f11491](https://github.com/Twigpine/zero/commit/7f11491078662b2d389c278f3ce5d41d956670c4))
-* **agent:** retry mid-stream transport aborts before tool dispatch ([#1076](https://github.com/Twigpine/zero/issues/1076)) ([b9ef1d2](https://github.com/Twigpine/zero/commit/b9ef1d271aa6ebc6d9adad2ef4ff0d695bb40da5))
-* **config:** sync atomic config replacements ([#1093](https://github.com/Twigpine/zero/issues/1093)) ([4d2e9f0](https://github.com/Twigpine/zero/commit/4d2e9f0d08472f7304652ef7896df587e1cc6c21))
-* **cron:** bound run history and read recent records from the tail ([#1094](https://github.com/Twigpine/zero/issues/1094)) ([42eb6ab](https://github.com/Twigpine/zero/commit/42eb6ab5fbe4ae9037f1f4cd42a00243c456a22e))
-* **cron:** preserve newer claims when overlapping runs complete ([#1090](https://github.com/Twigpine/zero/issues/1090)) ([2eb9d94](https://github.com/Twigpine/zero/commit/2eb9d94fac56d91d749ea4f96edcf1c87f79b48c))
-* **daemon:** bound pending sessions and prune on completion ([#1091](https://github.com/Twigpine/zero/issues/1091)) ([8a68660](https://github.com/Twigpine/zero/commit/8a68660161b04ce9668363faa14ff72c9fbad223))
-* **daemon:** do not retry workers that finished with a final exit code ([#1112](https://github.com/Twigpine/zero/issues/1112)) ([eefa978](https://github.com/Twigpine/zero/commit/eefa978f6183332b7416c70c25242bcdfba1a75c)), closes [#1100](https://github.com/Twigpine/zero/issues/1100)
-* **daemon:** stop worker process groups by their launch-time identity ([#1088](https://github.com/Twigpine/zero/issues/1088)) ([ab018b3](https://github.com/Twigpine/zero/commit/ab018b3098b5cb103cf8f90b8698d32a6687bdf7)), closes [#861](https://github.com/Twigpine/zero/issues/861)
-* **deps:** refresh the lockfile to patched hono and @hono/node-server ([#1080](https://github.com/Twigpine/zero/issues/1080)) ([aa52040](https://github.com/Twigpine/zero/commit/aa52040498e012c41d5e8f6027a91c18eff861d4))
-* **deps:** refresh the lockfile to patched shell-quote ([#1131](https://github.com/Twigpine/zero/issues/1131)) ([c56a4c4](https://github.com/Twigpine/zero/commit/c56a4c4e6e598504ab417e8cc4f5ab8d69f1b42f))
-* **execution:** reserve process capacity before launching ([#1092](https://github.com/Twigpine/zero/issues/1092)) ([bb3346a](https://github.com/Twigpine/zero/commit/bb3346a82883c19ed8815fe1e874f54950711d69))
-* **mcp:** forward image tool results on the existing image channel ([#1077](https://github.com/Twigpine/zero/issues/1077)) ([0324c1d](https://github.com/Twigpine/zero/commit/0324c1d4103328eb90cb24a0b582dba335255b5c))
-* **mcp:** refresh OAuth tokens for discovered endpoints and registered clients ([#1113](https://github.com/Twigpine/zero/issues/1113)) ([571af70](https://github.com/Twigpine/zero/commit/571af701bd3d8dfaf40f87b5b112b25e7def5b29)), closes [#1101](https://github.com/Twigpine/zero/issues/1101)
-* **oauth:** give every loopback callback server the bounded shutdown ([#1079](https://github.com/Twigpine/zero/issues/1079)) ([5473301](https://github.com/Twigpine/zero/commit/547330197b20ece591e077e876a4b8ffd015cb6e))
-* **providers:** send stable session headers to OpenCode ([#1060](https://github.com/Twigpine/zero/issues/1060)) ([99721c7](https://github.com/Twigpine/zero/commit/99721c762f37cd43ac511007a5f51d1846df959e))
-* **redaction:** redact adjacent AWS keys glued end to end ([#1095](https://github.com/Twigpine/zero/issues/1095)) ([df67ede](https://github.com/Twigpine/zero/commit/df67edec13345b73a85327adc003cacc7bdd8009))
-* **redaction:** redact credentials split by an invisible character ([#1067](https://github.com/Twigpine/zero/issues/1067)) ([e20b762](https://github.com/Twigpine/zero/commit/e20b7624261cef8336a8eb0fbdd44d536ad77fc2))
-* **sandbox:** say when a session's sandbox enforcement is degraded ([#1082](https://github.com/Twigpine/zero/issues/1082)) ([6b5852d](https://github.com/Twigpine/zero/commit/6b5852dc18bb256af1f25745697c2f2e3ea6f112))
-* **search:** redact every text field of session metadata, not ten of thirty ([#1073](https://github.com/Twigpine/zero/issues/1073)) ([9520f2b](https://github.com/Twigpine/zero/commit/9520f2bad7e09ce4a8d0d42be7ce77d2ae928ddd))
-* **security:** harden shell flag parsing, write roots, and formatters ([#1066](https://github.com/Twigpine/zero/issues/1066)) ([ac5fe0d](https://github.com/Twigpine/zero/commit/ac5fe0d21849b0f74af428dd3ca12e3b80a8b7aa))
-* **sessions:** keep a session lease for the life of the process, not of the Store ([#1144](https://github.com/Twigpine/zero/issues/1144)) ([883e5be](https://github.com/Twigpine/zero/commit/883e5bec24dac791d1d60618c7f4927f4659b687))
-* **tools:** hint when Windows resolves POSIX paths under root ([#1063](https://github.com/Twigpine/zero/issues/1063)) ([0c6f179](https://github.com/Twigpine/zero/commit/0c6f179a8443d4dfdfbbefe5cc6caf11c2a525f0))
-* **tui:** bound live dictation regions ([#985](https://github.com/Twigpine/zero/issues/985)) ([feb9927](https://github.com/Twigpine/zero/commit/feb992757c582c68f0397e070e206d4bf07071e1))
-* **tui:** show provider ownership in Recent and Favorites ([#1083](https://github.com/Twigpine/zero/issues/1083)) ([1697b7a](https://github.com/Twigpine/zero/commit/1697b7a5ce948e781877cdbe9223adac62c3fde6))
-* **tui:** stop held peer message Allow/Deny from deadlocking Update ([#1111](https://github.com/Twigpine/zero/issues/1111)) ([a195e88](https://github.com/Twigpine/zero/commit/a195e8848cec1a27b4fe1789ecc572b943c32186)), closes [#1099](https://github.com/Twigpine/zero/issues/1099)
-* unbreak main CI (cron claim tests, Go 1.26.9) ([#1124](https://github.com/Twigpine/zero/issues/1124)) ([2c418fc](https://github.com/Twigpine/zero/commit/2c418fc8ff6763de16703128f372fe526fddd331))
-
-## [0.9.0](https://github.com/Gitlawb/zero/compare/v0.8.0...v0.9.0) (2026-09-15)
-
-
-### Features
-
-* **acp:** add standard session list and resume ([#914](https://github.com/Gitlawb/zero/issues/914)) ([c1937df](https://github.com/Gitlawb/zero/commit/c1937dfac72e6ad0e5ade6e48e2d9c17d9c3e5d6))
-* **acp:** emit structured file changes in tool updates ([#999](https://github.com/Gitlawb/zero/issues/999)) ([faec8ee](https://github.com/Gitlawb/zero/commit/faec8ee2017fdd6d0c2c347add892cb73eb413d7))
-* **acp:** surface safe browser tool metadata ([#1000](https://github.com/Gitlawb/zero/issues/1000)) ([a6ec043](https://github.com/Gitlawb/zero/commit/a6ec0435e36b9bea9793b2fd97f2ecd30e3a0f9b))
-* **exec:** default headless runs to the turn-budget ceiling ([#1049](https://github.com/Gitlawb/zero/issues/1049)) ([9e609c5](https://github.com/Gitlawb/zero/commit/9e609c52420fd322f047fc238c04ac81dd623fdd))
-* **tui:** interactive terminal attach for tty exec sessions ([#1055](https://github.com/Gitlawb/zero/issues/1055)) ([d73ec81](https://github.com/Gitlawb/zero/commit/d73ec81e2d3facb5377bc9ad0fe2aa314628a0c0))
-* **tui:** offer mid-run model escalation behind --allow-escalation ([#1019](https://github.com/Gitlawb/zero/issues/1019)) ([91d921f](https://github.com/Gitlawb/zero/commit/91d921f4c5b8289a9e437f786218f1b48f2add5a))
-* **tui:** richer /resume session browser ([#1047](https://github.com/Gitlawb/zero/issues/1047)) ([2f53117](https://github.com/Gitlawb/zero/commit/2f531178f614e587b629e4f81e0470adda647fbd))
-
-
-### Bug Fixes
-
-* **acp:** make configured MCP tools callable ([#1003](https://github.com/Gitlawb/zero/issues/1003)) ([7f5e5af](https://github.com/Gitlawb/zero/commit/7f5e5af7bbdbe5bb4d91706146072d461c0234a4))
-* **agent:** stop the tool-schema ratchet meaning a different thing per host ([#1017](https://github.com/Gitlawb/zero/issues/1017)) ([f909266](https://github.com/Gitlawb/zero/commit/f9092668a832ea73a69551f0ea2df4f6eaf356df))
-* **background:** treat POSIX zombie leader as already-exited ([#981](https://github.com/Gitlawb/zero/issues/981)) ([1aacf38](https://github.com/Gitlawb/zero/commit/1aacf38b727d31b5ca09949316d6afa8292aec46))
-* **config:** lock config read-modify-write across processes ([#960](https://github.com/Gitlawb/zero/issues/960)) ([b04fe96](https://github.com/Gitlawb/zero/commit/b04fe96e9ef3f2deda4fb2a972270300629079d2))
-* **config:** preserve unknown top-level fields ([#984](https://github.com/Gitlawb/zero/issues/984)) ([488def6](https://github.com/Gitlawb/zero/commit/488def68dcc6d36701fdf171e94a74a436b090fc))
-* **daemon:** publish status files atomically ([#949](https://github.com/Gitlawb/zero/issues/949)) ([9001421](https://github.com/Gitlawb/zero/commit/90014210d2ada2e3d61f4eca5087d3f35a3c4b8b))
-* **installtxn:** put back an install a killed commit left behind ([#997](https://github.com/Gitlawb/zero/issues/997)) ([2837f5e](https://github.com/Gitlawb/zero/commit/2837f5efb38dcd3c69771b0ba31565f98a206120))
-* let the configured forward proxy through the loopback guard ([#1025](https://github.com/Gitlawb/zero/issues/1025)) ([1e4db7c](https://github.com/Gitlawb/zero/commit/1e4db7c6643ca7e2c3d8e4b8b30371cfbe43561e))
-* **lockutil:** use kernel-held advisory locks ([#950](https://github.com/Gitlawb/zero/issues/950)) ([6fe0d1e](https://github.com/Gitlawb/zero/commit/6fe0d1edcdbadea6d566800fbcca739c1cd54ea1))
-* **mcp:** discover OAuth through protected resource metadata ([#991](https://github.com/Gitlawb/zero/issues/991)) ([1b5db17](https://github.com/Gitlawb/zero/commit/1b5db1765672820caac1684b168c9898b5ba3593))
-* **mcp:** reject a server-initiated request as a streamable-HTTP response ([#1054](https://github.com/Gitlawb/zero/issues/1054)) ([2479d94](https://github.com/Gitlawb/zero/commit/2479d946c15dbf74ee3c04a637e97181d1786f08))
-* **oauth:** force-close loopback callback connections past the shutdown deadline ([#1051](https://github.com/Gitlawb/zero/issues/1051)) ([176f5a2](https://github.com/Gitlawb/zero/commit/176f5a242b754a86ea4c7121a8dcc1c0d72cf2e4))
-* **oauth:** Split an oversized keyring token blob across entries ([#1007](https://github.com/Gitlawb/zero/issues/1007)) ([275e248](https://github.com/Gitlawb/zero/commit/275e2486695338ce38193a6e3319f8b6a9a5c33c))
-* **providerio:** close idle connections periodically to prevent HTTP/2 PROTOCOL_ERROR ([#1058](https://github.com/Gitlawb/zero/issues/1058)) ([b76c764](https://github.com/Gitlawb/zero/commit/b76c764b77926891aa67163e6605a2d8540aacaa))
-* **providers:** register Atomic Chat as local OpenAI-compatible runtime ([#550](https://github.com/Gitlawb/zero/issues/550)) ([79fa142](https://github.com/Gitlawb/zero/commit/79fa1422ef1a3691b93342788453ebc284d57f9c))
-* **redaction:** split camelCase keys in normalizeKey ([#994](https://github.com/Gitlawb/zero/issues/994)) ([08fbea7](https://github.com/Gitlawb/zero/commit/08fbea7a3221d2061d88038924f90a4cba9af1ac))
-* **sandbox:** keep a derived ACL target inside the write root it came from ([#1040](https://github.com/Gitlawb/zero/issues/1040)) ([3b43c43](https://github.com/Gitlawb/zero/commit/3b43c43eca968c8619adadc81fcc1a17e220216a))
-* **sandbox:** keep Windows restricted-token SIDs narrow and fail closed on DenyRead ([#1006](https://github.com/Gitlawb/zero/issues/1006)) ([0207f2b](https://github.com/Gitlawb/zero/commit/0207f2b2697149a73ecc89a5ab5db0bd665f1911))
-* **sandbox:** Make WSL backend tests deterministic. ([#948](https://github.com/Gitlawb/zero/issues/948)) ([e59bf78](https://github.com/Gitlawb/zero/commit/e59bf78cabc2703678778b904c27c8bc8ef82bc8))
-* **sandbox:** protect worktree git pointers ([#805](https://github.com/Gitlawb/zero/issues/805)) ([f30f550](https://github.com/Gitlawb/zero/commit/f30f550e6037c53f8521ba2d59c984ae6c574917))
-* **sandbox:** refcount temporary roots so one holder's cleanup cannot revoke another's ([#911](https://github.com/Gitlawb/zero/issues/911)) ([7acac7a](https://github.com/Gitlawb/zero/commit/7acac7acee65565e25089f2a7b5813c086ce65eb))
-* **sessions:** carry an interrupted turn's work into the resume prompt ([#1016](https://github.com/Gitlawb/zero/issues/1016)) ([6ae8396](https://github.com/Gitlawb/zero/commit/6ae8396f0282a5f18a431f0c0ef1a272ecc2ca2b))
-* **sessions:** render resume context fields in key order ([#1043](https://github.com/Gitlawb/zero/issues/1043)) ([da244bc](https://github.com/Gitlawb/zero/commit/da244bcbfcfa05e414567ac0acc3cf8ba745ad7d))
-* **specialist:** keep the pinned model when a specialist is resumed ([#1009](https://github.com/Gitlawb/zero/issues/1009)) ([aadb4a2](https://github.com/Gitlawb/zero/commit/aadb4a27e9cdb41e774e8e1a8f23cf9c2fb50db2))
-* **swarm:** stop original member before handoff ([#957](https://github.com/Gitlawb/zero/issues/957)) ([0021475](https://github.com/Gitlawb/zero/commit/0021475d4c58c91911098f414795512cf60a0b56))
-* **tools:** an edit keeps the reads it did not disturb ([#908](https://github.com/Gitlawb/zero/issues/908)) ([1649008](https://github.com/Gitlawb/zero/commit/1649008506da0e675431dc056251a01891b15cc8))
-* **tools:** make apply_patch tolerant and re-expose edit_file ([#956](https://github.com/Gitlawb/zero/issues/956)) ([2749447](https://github.com/Gitlawb/zero/commit/2749447cdce4ae5dd333538b36fa919b80ecc66d))
-* **tools:** reject fuzzy edits with drifted content ([#983](https://github.com/Gitlawb/zero/issues/983)) ([8b3d1b1](https://github.com/Gitlawb/zero/commit/8b3d1b1597b04bfa6d4bc7f912abc13ca80a6298))
-* **tools:** say when format-on-write ran out of time ([#1044](https://github.com/Gitlawb/zero/issues/1044)) ([6937a30](https://github.com/Gitlawb/zero/commit/6937a309cf00825572210a7610a1f3ea8b74c2f9))
-* **tui:** move voice capture to Ctrl+Space ([#968](https://github.com/Gitlawb/zero/issues/968)) ([eeea330](https://github.com/Gitlawb/zero/commit/eeea3308fed38b37b203522624babaf2f30df91f))
-* **update:** keep Windows failed-restore state in trusted recovery records ([#979](https://github.com/Gitlawb/zero/issues/979)) ([a3852ba](https://github.com/Gitlawb/zero/commit/a3852bac595e06c5d3ca9da22212b281b8796802))
-
-
-### Performance Improvements
-
-* **agent:** cheap compaction — dedicated summarizer model, input cap… ([#532](https://github.com/Gitlawb/zero/issues/532)) ([6645f97](https://github.com/Gitlawb/zero/commit/6645f9744b37dda4d52ecc4631578d62cefc89de))
-* **providers:** parallelize isolated provider unit tests and shrink retry backoffs ([#955](https://github.com/Gitlawb/zero/issues/955)) ([d6b25fc](https://github.com/Gitlawb/zero/commit/d6b25fc3039a6b7d72a5703a87a097449792b102))
-* reduce startup and turn overhead ([#932](https://github.com/Gitlawb/zero/issues/932)) ([1fde941](https://github.com/Gitlawb/zero/commit/1fde941803c4295c11a4a14559f3c5217d1a9e69))
-
 ## [0.8.0](https://github.com/Gitlawb/zero/compare/v0.7.0...v0.8.0) (2026-08-21)


@@ -9,9 +9,9 @@ reports, feature requests, reproduction details, logs, and discussion on existin
 issues.

 Questions and setup help belong in
-[GitHub Discussions](https://github.com/Twigpine/zero/discussions) (see
+[GitHub Discussions](https://github.com/Gitlawb/zero/discussions) (see
 [SUPPORT.md](SUPPORT.md)), not in the issue tracker. Feature ideas start in the
-[Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas) category;
+[Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas) category;
 an idea that gains traction there is the path to an approved issue and,
 eventually, an accepted PR.

@@ -41,7 +41,7 @@ There are three primary ways to contribute:

 1. Open a bug report with clear reproduction steps.
 2. Propose a feature in
-   [Discussions Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas),
+   [Discussions Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas),
   describing the problem, use case, and expected behavior. A feature-request
   issue is filed only after the idea gains traction there or a maintainer asks
   for one.
@@ -126,31 +126,6 @@ not enough. Dependency changes need a clear project benefit, such as fixing a
 specific bug, addressing a security issue, improving compatibility, or supporting
 an approved feature.

-## Supported platforms
-
-Zero publishes five native prebuilt artifacts from
-`.github/workflows/release-artifacts.yml`:
-
- `linux-x64` (`linux/amd64`)
- `linux-arm64` (`linux/arm64`)
- `macos-arm64` (`darwin/arm64`)
- `macos-x64` (`darwin/amd64`)
- `windows-x64` (`windows/amd64`)
-
-The shell installer and npm wrapper resolve the applicable artifacts from that
-list. The PowerShell installer supports the published `windows-x64` artifact;
-there is no native Windows ARM64 artifact. Windows on ARM users can run the x64
-build under emulation or build from source.
-
-Android/Termux is also supported even though it has no distinct release
-artifact. The npm wrapper maps Android to the Linux artifact, and
-`docs/INSTALL.md` documents the native `android/arm64` source build needed on
-devices whose seccomp policy blocks the Linux build's syscall path.
-
-Other `GOOS`/`GOARCH` values, including Plan 9, are unsupported. They are not a
-review criterion. Do not block a pull request for failing to compile on an
-unsupported target. Tests may use `plan9` as a fixture for an unsupported OS.
-
 ## What We Prioritize

 The core team will prioritize:
@@ -193,7 +168,7 @@ Clear bug reports are the most useful way to help the project during this phase.
 ## Submitting a Feature Request

 Feature requests start as a thread in
-[Discussions Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas),
+[Discussions Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas),
 not as an issue. The feature-request issue form exists for the step AFTER that:
 when an idea has gained traction in Discussions or a maintainer has asked for an
 issue to track it. Whether in the discussion or the eventual issue, please
@@ -222,7 +197,7 @@ contribution phase.

 General questions, setup help, and "is this a bug or my config" uncertainty all
 go to
-[Discussions Q&A](https://github.com/Twigpine/zero/discussions/categories/q-a).
+[Discussions Q&A](https://github.com/Gitlawb/zero/discussions/categories/q-a).
 If you are unsure whether a proposed code change is appropriate, raise it in
 Discussions Ideas or on the relevant issue first and ask. Please keep discussion
 focused, specific, and respectful of maintainer time.
@@ -7,7 +7,7 @@ DEADCODE_VERSION := v0.46.0
 GOLANGCI_LINT_VERSION := v2.12.2
 GOVULNCHECK_VERSION := v1.3.0

-.PHONY: build build-all test test-race vet fmt fmt-check lint lint-static deadcode vulncheck vulncheck-windows tidy clean baseline help
+.PHONY: build build-all test test-race vet fmt fmt-check lint lint-static deadcode vulncheck tidy clean baseline help

 # Build the main CLI binary into ./zero.
 build:
@@ -44,8 +44,7 @@ lint: fmt-check vet
 # the possibly stale Go toolchain or consulting a multi-module GOWORK. git grep
 # works with both POSIX shells and cmd.exe, including GNU Make 3.81 on macOS.
 # The target-specific export is shell-independent.
-lint-static deadcode vulncheck vulncheck-windows: export GOTOOLCHAIN = $(GO_TOOLCHAIN)
-lint-static deadcode vulncheck vulncheck-windows: export GOWORK = off
+lint-static deadcode vulncheck: export GOTOOLCHAIN = $(GO_TOOLCHAIN)

 lint-static:
 	go run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION) run --enable-only unused,ineffassign,staticcheck ./...
@@ -56,11 +55,6 @@ deadcode:
 vulncheck:
 	go run golang.org/x/vuln/cmd/govulncheck@$(GOVULNCHECK_VERSION) ./...

-vulncheck-windows:
-	mkdir -p "$(CURDIR)/.cache/gobin"
-	GOBIN="$(CURDIR)/.cache/gobin" go install golang.org/x/vuln/cmd/govulncheck@$(GOVULNCHECK_VERSION)
-	GOOS=windows "$(CURDIR)/.cache/gobin/govulncheck" ./...
-
 tidy:
 	go mod tidy

@@ -83,4 +77,4 @@ baseline: build
 		--output internal/perfbench/reports/baseline.json

 help:
-	@echo "Targets: build (default), build-all, test, test-quick, vet, fmt, fmt-check, lint, lint-static, deadcode, vulncheck, vulncheck-windows, tidy, clean, baseline"
+	@echo "Targets: build (default), build-all, test, test-quick, vet, fmt, fmt-check, lint, lint-static, deadcode, vulncheck, tidy, clean, baseline"
@@ -4,15 +4,9 @@

 <p align="center"><strong>A terminal coding agent you own.</strong></p>

-<p align="center">
-  <a href="https://trendshift.io/repositories/70679?utm_source=trendshift-badge&amp;utm_medium=badge&amp;utm_campaign=badge-trendshift-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/trendshift/repositories/70679/daily?language=Go" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-  <a href="https://trendshift.io/repositories/70679?utm_source=trendshift-badge&amp;utm_medium=badge&amp;utm_campaign=badge-trendshift-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/trendshift/repositories/70679/weekly?language=Go" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-  <a href="https://trendshift.io/repositories/70679?utm_source=repository-badge&amp;utm_medium=badge&amp;utm_campaign=badge-repository-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/repositories/70679" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-</p>
-
 <p align="center">
  <a href="LICENSE"><img alt="license" src="https://img.shields.io/badge/license-MIT-blue"></a>
-  <img alt="Go 1.26.9+" src="https://img.shields.io/badge/Go-1.26.9+-00ADD8?logo=go&logoColor=white">
+  <img alt="Go 1.26.6+" src="https://img.shields.io/badge/Go-1.26.6+-00ADD8?logo=go&logoColor=white">
  <img alt="25+ providers" src="https://img.shields.io/badge/providers-25+-34E2EA">
  <a href="https://discord.gg/CaQDS6wdFn"><img alt="Discord" src="https://img.shields.io/badge/Discord-join-5865F2?logo=discord&logoColor=white"></a>
  <br>
@@ -29,74 +23,10 @@ zero exec "fix the failing test in ./pkg"
 zero exec --output-format stream-json < turns.jsonl
 ```

-## Partners
-
-<table align="center">
-  <tr>
-    <td align="center" width="150" height="80">
-      <a href="https://twigpine.com">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="https://twigpine.com/logo-dark.png">
-          <img src="https://twigpine.com/logo.png" alt="Twigpine logo" width="72">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://mimo.mi.com">
-        <img src="https://mimo.xiaomi.com/mimo-v2-pro/assets/logo.svg" alt="Xiaomi MiMo logo" width="136">
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://novita.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/novita-logo-dark.svg">
-          <img src="docs/assets/novita-logo.svg" alt="Novita AI logo" width="136">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://concentrate.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/concentrate-logo-dark.svg">
-          <img src="docs/assets/concentrate-logo.svg" alt="Concentrate logo" width="64">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://exa.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/exa-logo-dark.svg">
-          <img src="docs/assets/exa-logo.svg" alt="Exa logo" width="110">
-        </picture>
-      </a>
-    </td>
-  </tr>
-  <tr>
-    <td align="center"><a href="https://twigpine.com"><strong>Twigpine</strong></a></td>
-    <td align="center"><a href="https://mimo.mi.com"><strong>Xiaomi MiMo</strong></a></td>
-    <td align="center"><a href="https://novita.ai/"><strong>Novita AI</strong></a></td>
-    <td align="center"><a href="https://concentrate.ai/"><strong>Concentrate</strong></a></td>
-    <td align="center"><a href="https://exa.ai/"><strong>Exa</strong></a></td>
-  </tr>
-  <tr>
-    <td align="center" width="150" height="80">
-      <a href="https://www.gmicloud.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/gmi-cloud-logo-dark.svg">
-          <img src="docs/assets/gmi-cloud-logo.svg" alt="GMI Cloud logo" width="120">
-        </picture>
-      </a>
-    </td>
-  </tr>
-  <tr>
-    <td align="center"><a href="https://www.gmicloud.ai/"><strong>GMI Cloud</strong></a></td>
-  </tr>
-</table>
-
 ## Why Zero

 - **Use the model you want.** Bring OpenAI, Anthropic, Gemini, Groq, OpenRouter,
-  DeepSeek, Mistral, xAI, Qwen, Kimi, GitHub Models, Ollama, LM Studio, Atomic Chat, or any
+  DeepSeek, Mistral, xAI, Qwen, Kimi, GitHub Models, Ollama, LM Studio, or any
  OpenAI-/Anthropic-compatible endpoint.
 - **Stay in control.** File writes, shell commands, network access, and
  out-of-workspace writes go through Zero's permission and sandbox policy.
@@ -116,7 +46,7 @@ zero exec --output-format stream-json < turns.jsonl
 ### npm

 ```bash
-npm install -g @twigpine/zero
+npm install -g @gitlawb/zero
 zero
 ```

@@ -130,38 +60,26 @@ matching GitHub Release whenever it is missing. Windows on ARM runs the x64
 build under emulation. See [docs/NPM_PACKAGING.md](docs/NPM_PACKAGING.md) for
 how the package is put together.

-Installed Zero as `@gitlawb/zero`? The package moved to `@twigpine/zero` in
-0.10.0 and the old name gets no further releases. Both packages provide the
-`zero` command, so quit any running `zero`, then remove the old package first:
-
-```bash
-npm uninstall -g @gitlawb/zero
-npm install -g @twigpine/zero
-```
-
-Your config, sessions, and logins are kept; they live outside the package. For
-Bun, pnpm, and yarn, see [docs/INSTALL.md](docs/INSTALL.md#moving-from-gitlawbzero).
-
 ### Install scripts

 Linux/macOS:

 ```bash
-curl -fsSL https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.sh | bash
+curl -fsSL https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.sh | bash
 ```

 Windows PowerShell:

 ```powershell
-irm https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.ps1 | iex
+irm https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.ps1 | iex
 ```

 ### From source

-Source builds require Go 1.26.9+.
+Source builds require Go 1.26.6+.

 ```bash
-git clone https://github.com/Twigpine/zero.git
+git clone https://github.com/Gitlawb/zero.git
 cd zero
 go run ./cmd/zero
 ```
@@ -173,18 +91,17 @@ If you are testing before the first public release, build from source:
 go build -o zero ./cmd/zero
 ```

-On Linux, native sandboxing needs Bubblewrap. The main `zero` binary re-executes
-itself as the helper when `zero-linux-sandbox` is absent. A separate helper next
-to `zero` or on `PATH` still takes precedence:
+On Linux, build the sandbox helper too if you want native sandboxing:

 ```bash
-go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox   # optional
-go build -o zero-seccomp ./cmd/zero-seccomp               # optional compatibility wrapper
+go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox
+go build -o zero-seccomp ./cmd/zero-seccomp   # optional compatibility wrapper
 ```

-Put `zero` on `PATH` (`~/.local/bin` is a good default). macOS does not need an
-extra helper binary. Windows source builds can use the main `zero.exe` as their
-sandbox helper; release archives still ship standalone Windows helper executables.
+Put `zero` and `zero-linux-sandbox` in the same directory on `PATH`
+(`~/.local/bin` is a good default). macOS does not need an extra helper binary.
+Windows source builds can use the main `zero.exe` as their sandbox helper; release
+archives still ship standalone Windows helper executables.

 More install details: [docs/INSTALL.md](docs/INSTALL.md).

@@ -216,8 +133,6 @@ export GEMINI_API_KEY=...
 export AIMLAPI_API_KEY=...
 export LONGCAT_API_KEY=...
 export FIREWORKS_API_KEY=...
-export GMI_API_KEY=...
-export CONCENTRATE_API_KEY=...
 export MINIMAX_API_KEY=...
 export MINIMAXI_API_KEY=...
 ```
@@ -240,18 +155,6 @@ To configure Fireworks AI directly, run:
 zero providers setup fireworks --set-active
 ```

-To configure GMI Cloud directly, run:
-
-```bash
-zero providers setup gmicloud --set-active
-```
-
-To configure Concentrate directly, run:
-
-```bash
-zero providers setup concentrate --set-active
-```
-
 MiniMax presets use the Anthropic-compatible endpoints for the global and China
 regions:

@@ -279,12 +182,8 @@ zero providers add custom-openai-compatible \
  --set-active
 ```

-For local models, run Ollama, LM Studio, or the [Atomic Chat](https://atomic.chat)
-desktop app, then use `zero setup` or `zero providers detect`. For Atomic Chat,
-load a model and enable its local OpenAI-compatible API (default
-`http://127.0.0.1:1337/v1`). Choose `atomic-chat-local`; detection includes the
-loaded model ID in the add command. If no usable ID is discovered, load a model
-and retry. Model IDs requiring shell-specific quoting use interactive setup.
+For local models, run Ollama or LM Studio and then use `zero setup` or
+`zero providers detect`.

 ## Daily Use

@@ -374,19 +273,6 @@ zero sandbox grants list
 Zero includes local file/search/edit/shell tools, `web_fetch` for public URLs,
 and MCP support for additional tools.

-`web_fetch` refuses loopback, private and other special-use addresses: it checks
-the URL before asking permission, resolves the host, and dials the address it
-validated so a name cannot resolve to something else in between.
-
-If `HTTP_PROXY`/`HTTPS_PROXY` is set, `web_fetch` and the provider connectivity
-probe use it, and that last step changes: the proxy is dialed and the target
-hostname is sent to it, so the proxy decides which address the request actually
-reaches. The URL is still checked and resolved locally first, but a proxy that
-answers differently can reach a private service. A forward proxy already sees
-and can rewrite every request through it, so this is the trust you accept by
-configuring one. Leave the variables unset for the checks to be enforced end to
-end.
-
 For local dev servers, use shell commands such as `curl` through `exec_command`
 so the normal sandbox and permission policy applies. Long-running commands stay
 attached to a background terminal session and can be listed or stopped from the
@@ -410,7 +296,7 @@ zero context          context-budget report
 zero repo-map         deterministic repository map
 zero repo-info        local repository summary
 zero search | find    search local session history
-zero sessions         inspect, resume, fork, rewind, and prune sessions
+zero sessions         inspect, resume, fork, and rewind sessions
 zero spec             manage spec-mode drafts
 zero specialist       manage specialist subagents
 zero skills           manage markdown instruction skills
@@ -428,13 +314,6 @@ zero update --check   check for newer releases
 zero upgrade          download, verify, and install the latest release
 ```

-Cron keeps the newest 1,000 run outcomes per job in `runs.jsonl`. Each new run
-atomically replaces the history with the retained tail; existing larger histories
-are trimmed on their next run. Archive the file before that run if you need older
-outcomes. This retention does not delete session directories or reset fire counts.
-Malformed records and legacy lines of 1 MiB or more are skipped when reading or
-compacting history; new records of that size are rejected.
-
 ## Extending Zero

 ### Project and personal instructions
@@ -492,13 +371,9 @@ go run ./cmd/zero-perf-bench

 Experimental: `ZERO_OPENAI_TURN_SESSION=1` enables the optimized OpenAI turn
 session (background connection prewarm + request-prefix telemetry) for headless
-`zero exec` runs against official OpenAI profiles. Off by default; `0`, `false`,
-or `off` disable it. A/B-benchmark it by running the same `zero-perf-bench` suite
-with the variable unset and set.
-
-Native ChatGPT Responses sessions are enabled by default. Set
-`ZERO_CHATGPT_TURN_SESSION=0`, `false`, or `off` to restore stateless HTTP/SSE
-transport.
+`zero exec` runs against official OpenAI profiles. Off by default; `0`/`false`
+disable. A/B-benchmark it by running the same `zero-perf-bench` suite with the
+variable unset and set.

 ### Code Quality and Security Checks

@@ -546,19 +421,19 @@ go run ./cmd/zero-release build --goos windows --goarch amd64 --output dist/zero
 Real-time chat happens on the [Discord server](https://discord.gg/CaQDS6wdFn).

 Questions, setup help, ideas, and sharing all live in
-[GitHub Discussions](https://github.com/Twigpine/zero/discussions):
+[GitHub Discussions](https://github.com/Gitlawb/zero/discussions):

 | Category | Use it for |
 |---|---|
-| [Q&A](https://github.com/Twigpine/zero/discussions/categories/q-a) | Setup help, provider/model configuration, "how do I" questions |
-| [Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas) | Feature proposals and design discussion before any PR |
-| [Show and tell](https://github.com/Twigpine/zero/discussions/categories/show-and-tell) | Your skills, plugins, MCP setups, themes, and workflows |
-| [Announcements](https://github.com/Twigpine/zero/discussions/categories/announcements) | Releases and project news from the maintainers |
+| [Q&A](https://github.com/Gitlawb/zero/discussions/categories/q-a) | Setup help, provider/model configuration, "how do I" questions |
+| [Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas) | Feature proposals and design discussion before any PR |
+| [Show and tell](https://github.com/Gitlawb/zero/discussions/categories/show-and-tell) | Your skills, plugins, MCP setups, themes, and workflows |
+| [Announcements](https://github.com/Gitlawb/zero/discussions/categories/announcements) | Releases and project news from the maintainers |

 For a good Q&A answer fast, include `zero --version`, your OS and install
 method, the provider/model in use, and `zero doctor` output. See
 [SUPPORT.md](SUPPORT.md). Bugs belong in
-[issues](https://github.com/Twigpine/zero/issues/new/choose); security reports
+[issues](https://github.com/Gitlawb/zero/issues/new/choose); security reports
 follow [SECURITY.md](SECURITY.md), never a public thread.

 ## Contributing
@@ -4,15 +4,9 @@

 <p align="center"><strong>一个独属于你的终端编码智能体。</strong></p>

-<p align="center">
-  <a href="https://trendshift.io/repositories/70679?utm_source=trendshift-badge&amp;utm_medium=badge&amp;utm_campaign=badge-trendshift-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/trendshift/repositories/70679/daily?language=Go" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-  <a href="https://trendshift.io/repositories/70679?utm_source=trendshift-badge&amp;utm_medium=badge&amp;utm_campaign=badge-trendshift-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/trendshift/repositories/70679/weekly?language=Go" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-  <a href="https://trendshift.io/repositories/70679?utm_source=repository-badge&amp;utm_medium=badge&amp;utm_campaign=badge-repository-70679" target="_blank" rel="noopener noreferrer"><img src="https://trendshift.io/api/badge/repositories/70679" alt="Twigpine/zero | Trendshift" width="250" height="55"/></a>
-</p>
-
 <p align="center">
  <a href="LICENSE"><img alt="license" src="https://img.shields.io/badge/license-MIT-blue"></a>
-  <img alt="Go 1.26.9+" src="https://img.shields.io/badge/Go-1.26.9+-00ADD8?logo=go&logoColor=white">
+  <img alt="Go 1.26.6+" src="https://img.shields.io/badge/Go-1.26.6+-00ADD8?logo=go&logoColor=white">
  <img alt="25+ providers" src="https://img.shields.io/badge/providers-25+-34E2EA">
  <a href="https://discord.gg/CaQDS6wdFn"><img alt="Discord" src="https://img.shields.io/badge/Discord-join-5865F2?logo=discord&logoColor=white"></a>
  <br>
@@ -27,73 +21,9 @@ zero exec "修复 ./pkg 中失败的测试"
 zero exec --output-format stream-json < turns.jsonl
 ```

-## 合作伙伴
-
-<table align="center">
-  <tr>
-    <td align="center" width="150" height="80">
-      <a href="https://twigpine.com">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="https://twigpine.com/logo-dark.png">
-          <img src="https://twigpine.com/logo.png" alt="Twigpine logo" width="72">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://mimo.mi.com">
-        <img src="https://mimo.xiaomi.com/mimo-v2-pro/assets/logo.svg" alt="Xiaomi MiMo logo" width="136">
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://novita.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/novita-logo-dark.svg">
-          <img src="docs/assets/novita-logo.svg" alt="Novita AI logo" width="136">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://concentrate.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/concentrate-logo-dark.svg">
-          <img src="docs/assets/concentrate-logo.svg" alt="Concentrate logo" width="64">
-        </picture>
-      </a>
-    </td>
-    <td align="center" width="150" height="80">
-      <a href="https://exa.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/exa-logo-dark.svg">
-          <img src="docs/assets/exa-logo.svg" alt="Exa logo" width="110">
-        </picture>
-      </a>
-    </td>
-  </tr>
-  <tr>
-    <td align="center"><a href="https://twigpine.com"><strong>Twigpine</strong></a></td>
-    <td align="center"><a href="https://mimo.mi.com"><strong>Xiaomi MiMo</strong></a></td>
-    <td align="center"><a href="https://novita.ai/"><strong>Novita AI</strong></a></td>
-    <td align="center"><a href="https://concentrate.ai/"><strong>Concentrate</strong></a></td>
-    <td align="center"><a href="https://exa.ai/"><strong>Exa</strong></a></td>
-  </tr>
-  <tr>
-    <td align="center" width="150" height="80">
-      <a href="https://www.gmicloud.ai/">
-        <picture>
-          <source media="(prefers-color-scheme: dark)" srcset="docs/assets/gmi-cloud-logo-dark.svg">
-          <img src="docs/assets/gmi-cloud-logo.svg" alt="GMI Cloud logo" width="120">
-        </picture>
-      </a>
-    </td>
-  </tr>
-  <tr>
-    <td align="center"><a href="https://www.gmicloud.ai/"><strong>GMI Cloud</strong></a></td>
-  </tr>
-</table>
-
 ## 为什么选择 Zero

- **使用你想要的模型。** 支持 OpenAI、Anthropic、Gemini、Groq、OpenRouter、DeepSeek、Mistral、xAI、Qwen、Kimi、GitHub Models、Ollama、LM Studio、Atomic Chat，或任何 OpenAI/Anthropic 兼容端点。
+- **使用你想要的模型。** 支持 OpenAI、Anthropic、Gemini、Groq、OpenRouter、DeepSeek、Mistral、xAI、Qwen、Kimi、GitHub Models、Ollama、LM Studio，或任何 OpenAI/Anthropic 兼容端点。
 - **保持控制权。** 文件写入、Shell 命令、网络访问和工作区外写入都经过 Zero 的权限和沙箱策略。
 - **在终端中工作。** TUI 具有模型/提供商选择器、图片输入、斜杠命令、实时计划/工具渲染、回滚滚动、主题以及恢复/分叉支持。
 - **无 TUI 也能工作。** `zero exec` 可脚本化，支持文本/JSON/stream-JSON I/O、隔离的工作树、规范优先运行，以及用于 CI 的有意义的退出码。
@@ -105,41 +35,32 @@ zero exec --output-format stream-json < turns.jsonl
 ### npm

 ```bash
-npm install -g @twigpine/zero
+npm install -g @gitlawb/zero
 zero
 ```

 npm 包是一个小型包装器，其平台构建（Linux 和 macOS 的 x64/arm64、Windows 的 x64，包含浏览器/终端控制辅助工具）作为可选依赖直接从 npm registry 安装——没有安装脚本，也不会从 npm 之外下载任何内容。Bun、pnpm 和 yarn 的行为完全一致，无需任何信任或批准步骤。跳过可选依赖的安装（`--omit=optional`）也能工作：只要二进制文件缺失，包装器就会从对应的 GitHub Release 下载。Windows on ARM 通过模拟运行 x64 构建。详见 [docs/NPM_PACKAGING.md](docs/NPM_PACKAGING.md)。

-之前通过 `@gitlawb/zero` 安装过 Zero？从 0.10.0 起，npm 包已迁移到 `@twigpine/zero`，旧包名不再发布新版本。两个包都提供 `zero` 命令，所以请先退出正在运行的 `zero`，再卸载旧包：
-
-```bash
-npm uninstall -g @gitlawb/zero
-npm install -g @twigpine/zero
-```
-
-配置、会话和登录信息都会保留，它们存放在包之外。Bun、pnpm 和 yarn 的命令见 [docs/INSTALL.md](docs/INSTALL.md#moving-from-gitlawbzero)。
-
 ### 安装脚本

 Linux/macOS：

 ```bash
-curl -fsSL https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.sh | bash
+curl -fsSL https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.sh | bash
 ```

 Windows PowerShell：

 ```powershell
-irm https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.ps1 | iex
+irm https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.ps1 | iex
 ```

 ### 从源码构建

-源码构建需要 Go 1.26.9+。
+源码构建需要 Go 1.26.6+。

 ```bash
-git clone https://github.com/Twigpine/zero.git
+git clone https://github.com/Gitlawb/zero.git
 cd zero
 go run ./cmd/zero
 ```
@@ -150,14 +71,14 @@ go run ./cmd/zero
 go build -o zero ./cmd/zero
 ```

-在 Linux 上，原生沙箱需要 Bubblewrap。主程序 `zero` 在找不到 `zero-linux-sandbox` 时会以自身作为辅助进程重新执行。同目录或 PATH 上的独立 helper 仍优先：
+在 Linux 上，如果你需要原生沙箱，还需要构建沙箱辅助程序：

 ```bash
-go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox   # 可选
-go build -o zero-seccomp ./cmd/zero-seccomp               # 可选的兼容性包装器
+go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox
+go build -o zero-seccomp ./cmd/zero-seccomp   # 可选的兼容性包装器
 ```

-将 `zero` 放在 `PATH` 上（`~/.local/bin` 是一个好的默认选择）。macOS 不需要额外的辅助二进制文件。Windows 源码构建可以使用主 `zero.exe` 作为沙箱辅助程序；发布包仍然附带独立的 Windows 辅助可执行文件。
+将 `zero` 和 `zero-linux-sandbox` 放在 `PATH` 上的同一目录中（`~/.local/bin` 是一个好的默认选择）。macOS 不需要额外的辅助二进制文件。Windows 源码构建可以使用主 `zero.exe` 作为沙箱辅助程序；发布包仍然附带独立的 Windows 辅助可执行文件。

 更多安装细节：[docs/INSTALL.md](docs/INSTALL.md)。

@@ -185,8 +106,6 @@ export OPENAI_API_KEY=sk-...
 export ANTHROPIC_API_KEY=...
 export GEMINI_API_KEY=...
 export LONGCAT_API_KEY=...
-export GMI_API_KEY=...
-export CONCENTRATE_API_KEY=...
 ```

 要直接配置美团 LongCat（LongCat-2.0），运行：
@@ -195,23 +114,7 @@ export CONCENTRATE_API_KEY=...
 zero providers setup longcat --set-active
 ```

-要直接配置 GMI Cloud，运行：
-
-```bash
-zero providers setup gmicloud --set-active
-```
-
-要直接配置 Concentrate，运行：
-
-```bash
-zero providers setup concentrate --set-active
-```
-
-对于本地模型，运行 Ollama、LM Studio 或 [Atomic Chat](https://atomic.chat) 桌面应用，
-然后使用 `zero setup` 或 `zero providers detect`。使用 Atomic Chat 时，请先加载模型并启用
-本地 OpenAI 兼容 API（默认地址为 `http://127.0.0.1:1337/v1`），再选择 `atomic-chat-local`。
-检测生成的添加命令会包含已加载的模型 ID；如果未发现可用的 ID，请加载模型后重试。
-对于需要特定 Shell 转义的模型 ID，请使用交互式设置。
+对于本地模型，运行 Ollama 或 LM Studio，然后使用 `zero setup` 或 `zero providers detect`。

 ## 日常使用

@@ -311,7 +214,7 @@ zero context          上下文预算报告
 zero repo-map         确定性仓库映射
 zero repo-info        本地仓库摘要
 zero search | find    搜索本地会话历史
-zero sessions         检查、恢复、分叉、回滚和清理会话
+zero sessions         检查、恢复、分叉和回滚会话
 zero spec             管理规范模式草稿
 zero specialist       管理专业子智能体
 zero skills           管理 Markdown 指令技能
@@ -374,14 +277,14 @@ go run ./cmd/zero-release build --goos windows --goarch amd64 --output dist/zero
 实时交流在 [Discord 服务器](https://discord.gg/CaQDS6wdFn) 进行。

 提问、安装帮助、想法和分享都在
-[GitHub Discussions](https://github.com/Twigpine/zero/discussions)：
+[GitHub Discussions](https://github.com/Gitlawb/zero/discussions)：

 | 分类 | 用途 |
 |---|---|
-| [Q&A](https://github.com/Twigpine/zero/discussions/categories/q-a) | 安装帮助、提供商/模型配置、"如何做"类问题 |
-| [Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas) | 功能提议和 PR 之前的设计讨论 |
-| [Show and tell](https://github.com/Twigpine/zero/discussions/categories/show-and-tell) | 你的技能、插件、MCP 配置、主题和工作流 |
-| [Announcements](https://github.com/Twigpine/zero/discussions/categories/announcements) | 维护者发布的版本和项目动态 |
+| [Q&A](https://github.com/Gitlawb/zero/discussions/categories/q-a) | 安装帮助、提供商/模型配置、"如何做"类问题 |
+| [Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas) | 功能提议和 PR 之前的设计讨论 |
+| [Show and tell](https://github.com/Gitlawb/zero/discussions/categories/show-and-tell) | 你的技能、插件、MCP 配置、主题和工作流 |
+| [Announcements](https://github.com/Gitlawb/zero/discussions/categories/announcements) | 维护者发布的版本和项目动态 |

 ## 贡献

@@ -2,8 +2,8 @@

 ## Questions, setup help, configuration

-Ask in [GitHub Discussions](https://github.com/Twigpine/zero/discussions). Use
-[Q&A](https://github.com/Twigpine/zero/discussions/categories/q-a) so answers can
+Ask in [GitHub Discussions](https://github.com/Gitlawb/zero/discussions). Use
+[Q&A](https://github.com/Gitlawb/zero/discussions/categories/q-a) so answers can
 be marked and found by the next person.

 The fastest way to a useful answer is to include:
@@ -18,19 +18,19 @@ The fastest way to a useful answer is to include:
 ## Bugs

 If Zero does something wrong (crashes, wrong output, broken behavior), file a
-[bug report](https://github.com/Twigpine/zero/issues/new/choose). If you are not
+[bug report](https://github.com/Gitlawb/zero/issues/new/choose). If you are not
 sure whether it is a bug or a setup problem, start in Discussions and we will
 promote it to an issue if it is one.

 ## Feature ideas

 Start a thread in
-[Ideas](https://github.com/Twigpine/zero/discussions/categories/ideas). Zero is
+[Ideas](https://github.com/Gitlawb/zero/discussions/categories/ideas). Zero is
 in controlled development (see CONTRIBUTING.md), so discussing an idea first is
 also the path to getting a PR accepted.

 ## Security issues

 Never file a public issue or discussion. Report privately via
-[GitHub Security Advisories](https://github.com/Twigpine/zero/security/advisories/new)
+[GitHub Security Advisories](https://github.com/Gitlawb/zero/security/advisories/new)
 (see SECURITY.md).
@@ -2,7 +2,7 @@ name: ZERO
 description: >-
  Run the ZERO coding agent headlessly in a GitHub workflow. ZERO is
  model- and provider-agnostic: you supply the provider and API key as inputs.
-author: Twigpine
+author: Gitlawb

 branding:
  icon: terminal
@@ -110,7 +110,7 @@ inputs:
  zero-repo:
    description: Repository to install the ZERO release from (owner/repo).
    required: false
-    default: Twigpine/zero
+    default: Gitlawb/zero

 outputs:
  exit-code:
@@ -1,63 +1,11 @@
 #!/usr/bin/env node

 import { spawnSync } from 'node:child_process';
-import { existsSync, readFileSync, writeSync } from 'node:fs';
+import { existsSync } from 'node:fs';
 import { createRequire } from 'node:module';
 import { dirname, join } from 'node:path';
 import { fileURLToPath } from 'node:url';

-const packageRoot = dirname(dirname(fileURLToPath(import.meta.url)));
-
-const CURRENT_PACKAGE_NAME = '@twigpine/zero';
-// The npm package moved from @gitlawb/zero to @twigpine/zero in 0.10.0. That
-// release was also published once under the old name, so 0.9.0's `zero
-// upgrade` and anyone still installing the old name land on a working build
-// that says where the package went (docs/NPM_PACKAGING.md). Nothing is
-// published under the old name after that.
-const LEGACY_PACKAGE_NAME = '@gitlawb/zero';
-
-// The npm name this wrapper was published under, read from its own
-// package.json so the name lives in one place. The platform payload alias and
-// every reinstall hint below derive from it.
-function readPackageName(root) {
-  try {
-    const { name } = JSON.parse(readFileSync(join(root, 'package.json'), 'utf8'));
-    if (typeof name === 'string' && name !== '') return name;
-  } catch {
-    // An unreadable manifest must not stop the CLI from launching.
-  }
-  return CURRENT_PACKAGE_NAME;
-}
-
-const packageName = readPackageName(packageRoot);
-
-// Same note as legacyPackageSwitchMessage in internal/update/installmethod.go.
-// Uninstalling first is the only safe order: both packages own the `zero` bin,
-// so npm refuses to install the new one over the old (EEXIST), and forcing it
-// lets a later uninstall of the old package delete the shared bin.
-function legacyPackageNotice() {
-  return (
-    `[zero] Zero has moved to ${CURRENT_PACKAGE_NAME} on npm, and ${LEGACY_PACKAGE_NAME} gets no further releases.\n` +
-    'To keep getting updates, quit zero and run:\n' +
-    `  npm uninstall -g ${LEGACY_PACKAGE_NAME}\n` +
-    `  npm install -g ${CURRENT_PACKAGE_NAME}\n` +
-    'Uninstall first: both packages provide the `zero` command. With bun, pnpm or yarn, use its global remove and add commands instead.\n'
-  );
-}
-
-// Printed when the wrapper exits rather than before zero starts, because the
-// TUI takes over the screen and would hide anything printed first. Only on a
-// terminal, so scripts that capture stderr see nothing new. `zero update` and
-// `zero upgrade` print the same note themselves.
-if (packageName === LEGACY_PACKAGE_NAME && !['update', 'upgrade'].includes(process.argv[2])) {
-  process.on('exit', () => {
-    if (process.stderr.isTTY || process.env.ZERO_WRAPPER_SIMULATE_TTY === '1') {
-      // Synchronous: an exit handler cannot wait for an asynchronous write.
-      writeSync(2, legacyPackageNotice());
-    }
-  });
-}
-
 function zeroBinaryName(platform = process.platform) {
  return platform === 'win32' ? 'zero.exe' : 'zero';
 }
@@ -133,10 +81,10 @@ function bunRecoveryParagraph() {
  return (
    'You installed with Bun, which does not run dependency lifecycle scripts\n' +
    'by default. Trust the package to run the blocked postinstall:\n' +
-    `  bun pm trust ${packageName}       (project install)\n` +
-    `  bun pm -g trust ${packageName}    (global install)\n` +
+    '  bun pm trust @gitlawb/zero       (project install)\n' +
+    '  bun pm -g trust @gitlawb/zero    (global install)\n' +
    'On Bun versions without `bun pm trust`, add\n' +
-    `  "trustedDependencies": ["${packageName}"]\n` +
+    '  "trustedDependencies": ["@gitlawb/zero"]\n' +
    'to your project package.json and reinstall.\n' +
    '\n'
  );
@@ -145,14 +93,14 @@ function bunRecoveryParagraph() {
 function buildFromSourceParagraph() {
  return (
    'If this platform has no prebuilt binary, build from source:\n' +
-    'https://github.com/Twigpine/zero (go run ./cmd/zero, requires Go 1.26+).'
+    'https://github.com/Gitlawb/zero (go run ./cmd/zero, requires Go 1.26+).'
  );
 }

 function missingBinaryContextParagraph() {
  return (
-    `Normally npm installs it as an optional dependency of ${packageName}\n` +
-    `(${packageName}-${process.platform}-${process.arch}), and the wrapper can\n` +
+    'Normally npm installs it as an optional dependency of @gitlawb/zero\n' +
+    `(@gitlawb/zero-${process.platform}-${process.arch}), and the wrapper can\n` +
    'also download it from the GitHub Release when it is missing.'
  );
 }
@@ -165,7 +113,7 @@ function missingNativeRecoveryParagraphs(postinstallScript) {
    '\n' +
    'Things to try:\n' +
    '  - reinstall without omitting optional dependencies:\n' +
-    `      npm install -g ${packageName}\n` +
+    '      npm install -g @gitlawb/zero\n' +
    '  - run the downloader manually (needs write access to the package dir):\n' +
    `      node "${postinstallScript}"\n` +
    '\n' +
@@ -234,12 +182,12 @@ function missingNativeDoctorTextReport(postinstallScript) {
  );
 }

-// The platform payload is a version of this same package, installed under an
-// npm: alias (see docs/NPM_PACKAGING.md). The alias name is derived from
+// The platform payload is a version of @gitlawb/zero itself, installed under
+// an npm: alias (see docs/NPM_PACKAGING.md). The alias name is derived from
 // process.platform/process.arch, so an unsupported platform simply fails to
 // resolve and we fall through to the downloader.
 function platformPackageBinary() {
-  const aliasedName = `${packageName}-${process.platform}-${process.arch}`;
+  const aliasedName = `@gitlawb/zero-${process.platform}-${process.arch}`;
  let manifestPath;
  try {
    manifestPath = createRequire(import.meta.url).resolve(`${aliasedName}/package.json`);
@@ -279,6 +227,8 @@ function downloadMissingBinary(packageRoot) {
  });
 }

+const packageRoot = dirname(dirname(fileURLToPath(import.meta.url)));
+
 function resolveNativeBinary() {
  const fromPlatformPackage = platformPackageBinary();
  if (fromPlatformPackage) return fromPlatformPackage;
@@ -5,7 +5,7 @@ package main
 import (
 	"os"

-	"github.com/Twigpine/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/sandbox"
 )

 func main() {
@@ -11,7 +11,7 @@ import (
 	"strconv"
 	"strings"

-	"github.com/Twigpine/zero/internal/perfbench"
+	"github.com/Gitlawb/zero/internal/perfbench"
 )

 const (
@@ -5,7 +5,7 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/perfbench"
+	"github.com/Gitlawb/zero/internal/perfbench"
 )

 func TestParseArgsUsesCliAndEnvOverrides(t *testing.T) {
@@ -9,7 +9,7 @@ import (
 	"path/filepath"
 	"strings"

-	"github.com/Twigpine/zero/internal/perfbench"
+	"github.com/Gitlawb/zero/internal/perfbench"
 )

 // taskOptions configures the `zero-perf-bench tasks` subcommand: the reproducible
@@ -9,8 +9,8 @@ import (
 	"path/filepath"
 	"strings"

-	"github.com/Twigpine/zero/internal/execprofile"
-	"github.com/Twigpine/zero/internal/perfbench"
+	"github.com/Gitlawb/zero/internal/execprofile"
+	"github.com/Gitlawb/zero/internal/perfbench"
 )

 // turnOptions configures the `zero-perf-bench turn` subcommand: the per-turn
@@ -6,7 +6,7 @@ import (
 	"os"
 	"strings"

-	"github.com/Twigpine/zero/internal/review"
+	"github.com/Gitlawb/zero/internal/review"
 )

 func main() {
@@ -8,7 +8,7 @@ import (
 	"path/filepath"
 	"strings"

-	"github.com/Twigpine/zero/internal/release"
+	"github.com/Gitlawb/zero/internal/release"
 )

 func main() {
@@ -12,7 +12,7 @@ import (
 	"os/exec"
 	"syscall"

-	"github.com/Twigpine/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/sandbox"
 )

 func main() {
@@ -3,7 +3,7 @@ package main
 import (
 	"os"

-	"github.com/Twigpine/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/sandbox"
 )

 func main() {
@@ -3,7 +3,7 @@ package main
 import (
 	"os"

-	"github.com/Twigpine/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/sandbox"
 )

 func main() {
@@ -3,13 +3,9 @@ package main
 import (
 	"os"

-	"github.com/Twigpine/zero/internal/cli"
-	"github.com/Twigpine/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/cli"
 )

 func main() {
-	if len(os.Args) > 1 && os.Args[1] == sandbox.LinuxSandboxHelperSubcommand {
-		os.Exit(sandbox.RunLinuxSandboxHelper(os.Args[1:], os.Stderr))
-	}
 	os.Exit(cli.Run(os.Args[1:], os.Stdout, os.Stderr))
 }
@@ -28,7 +28,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
-      - uses: Twigpine/zero@v1
+      - uses: Gitlawb/zero@v1
        with:
          prompt: ${{ inputs.task }}
          provider: openai
@@ -66,7 +66,7 @@ jobs:
 | `github-token` | no | `${{ github.token }}` | Token used to post a PR comment. Requires `pull-requests: write`. |
 | `working-directory` | no | `${{ github.workspace }}` | Directory to run ZERO in. |
 | `zero-version` | no | (action ref → `latest`) | ZERO release version/tag to install, e.g. `v1.2.3` or `latest`. |
-| `zero-repo` | no | `Twigpine/zero` | Repository to install the ZERO release from. |
+| `zero-repo` | no | `Gitlawb/zero` | Repository to install the ZERO release from. |

 ## Outputs

@@ -101,7 +101,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
-      - uses: Twigpine/zero@v1
+      - uses: Gitlawb/zero@v1
        with:
          prompt: |
            Investigate this issue and propose a fix.
@@ -134,7 +134,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
-      - uses: Twigpine/zero@v1
+      - uses: Gitlawb/zero@v1
        id: zero
        with:
          prompt-file: .github/zero/upgrade-deps.md
@@ -176,7 +176,7 @@ jobs:
 - **Least-privilege tokens.** Grant only the permissions the workflow needs
  (`contents: write` to edit files, `pull-requests: write` to comment). The
  default `GITHUB_TOKEN` is scoped to the repository.
- **Pin the action.** Reference a tag (`Twigpine/zero@v1`) or a commit SHA so a
+- **Pin the action.** Reference a tag (`Gitlawb/zero@v1`) or a commit SHA so a
  workflow run uses a known ZERO version. `zero-version` lets you pin the
  installed binary independently of the action ref.
 - **Linux and macOS runners** are supported; Windows runners are rejected with a
@@ -302,9 +302,8 @@ Conceptually, one requested tool goes through these phases:
   the model can inspect it and decide what to do next.
 6. **Render and persist** — the result is surfaced to the TUI, stream-JSON
   writer, or ACP client. TUI and exec record rich tool/session events for
-   resume/history; ACP persists conversational messages and completed tool-call
-   starts/results for load replay. Live streaming details and permission
-   exchanges remain client notifications rather than durable history.
+   resume/history; ACP currently persists conversational messages and streams
+   tool/permission updates to the client.

 Tool success and failure are both informative context. A successful `read_file`
 result gives the model file contents; a failed `edit_file` result gives the model
@@ -628,12 +627,7 @@ Core tool groups include:
  skills, `ask_user`, permission requests.
 - **Write tools**: `write_file`, `edit_file`, `apply_patch`, `update_plan`.
 - **Shell tools**: `exec_command`, `write_stdin`, legacy `bash`.
- **Network tools**: `web_fetch` and optional web search backend. `web_fetch`
-  validates the URL before the permission prompt, refuses loopback/private/
-  special-use addresses, and dials the address it resolved. With
-  `HTTP_PROXY`/`HTTPS_PROXY` set, the proxy is dialed instead and resolves the
-  target itself, so destination enforcement ends at the proxy; see the note in
-  the README.
+- **Network tools**: `web_fetch` and optional web search backend.
 - **Local-control tools**: config-gated wrappers for browser, terminal, desktop,
  and artifact helpers backed by packages such as `internal/localcontrol` and
  `internal/browser`.
@@ -5,11 +5,11 @@ blessed one.

 | Method | Command | Self-update |
 | --- | --- | --- |
-| Install script (Linux, macOS) | `curl -fsSL https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.sh \| bash` | `zero upgrade` |
-| Install script (Windows) | `irm https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.ps1 \| iex` | `zero upgrade` |
-| npm | `npm install -g @twigpine/zero` | `zero upgrade` (runs npm) |
-| Release archive | download from [Releases](https://github.com/Twigpine/zero/releases) | `zero upgrade` |
-| mise | `mise use -g ubi:Twigpine/zero` | `mise upgrade` |
+| Install script (Linux, macOS) | `curl -fsSL https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.sh \| bash` | `zero upgrade` |
+| Install script (Windows) | `irm https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.ps1 \| iex` | `zero upgrade` |
+| npm | `npm install -g @gitlawb/zero` | `zero upgrade` (runs npm) |
+| Release archive | download from [Releases](https://github.com/Gitlawb/zero/releases) | `zero upgrade` |
+| mise | `mise use -g ubi:Gitlawb/zero` | `mise upgrade` |
 | `go install` | `go install github.com/Gitlawb/zero/cmd/zero@latest` | rerun the command |
 | Source | `go build -o zero ./cmd/zero` | rebuild |

@@ -29,7 +29,7 @@ Release and verify its checksum.
 ## npm

 ```bash
-npm install -g @twigpine/zero
+npm install -g @gitlawb/zero
 zero
 ```

@@ -56,47 +56,15 @@ cannot write to keeps failing — rerun the install or the command below with
 sufficient permissions). To trigger the fetch manually:

 ```bash
-node "$(npm root -g)/@twigpine/zero/scripts/postinstall.mjs"
+node "$(npm root -g)/@gitlawb/zero/scripts/postinstall.mjs"
 ```

-### Moving from @gitlawb/zero
-
-Zero was published as `@gitlawb/zero` up to 0.9.0. From 0.10.0 it is
-`@twigpine/zero`, and the old name gets no further releases.
-
-Both packages provide the `zero` command, so npm refuses to install the new
-one while the old one is installed (`EEXIST`). Forcing it is worse: a later
-uninstall of the old package removes the shared `zero` command. Quit any
-running `zero` (on Windows a running `zero.exe` cannot be removed), then
-uninstall the old package before installing the new one:
-
-```bash
-npm uninstall -g @gitlawb/zero
-npm install -g @twigpine/zero
-```
-
-With another package manager, the same two steps:
-
-```bash
-bun remove -g @gitlawb/zero && bun add -g @twigpine/zero
-pnpm remove -g @gitlawb/zero && pnpm add -g @twigpine/zero
-yarn global remove @gitlawb/zero && yarn global add @twigpine/zero
-```
-
-Config, sessions, logins, and plugins live in your user config and home
-directories, not in the package, so they carry over unchanged.
-
-0.10.0 was also published once as `@gitlawb/zero`, so an old install that
-updates lands on a working build. That build prints these steps when `zero`
-exits in a terminal, and `zero upgrade` and `zero update --check` print them
-too.
-
 ## Linux And macOS Script

 Install the latest release:

 ```bash
-curl -fsSL https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.sh | bash
+curl -fsSL https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.sh | bash
 ```

 From a checkout:
@@ -121,7 +89,7 @@ scripts/install.sh --install-dir "$HOME/bin"

 Defaults:

- Repository: `Twigpine/zero`
+- Repository: `Gitlawb/zero`
 - Version: latest GitHub release
 - Install path: `~/.local/bin/zero`

@@ -132,7 +100,7 @@ Requirements: Bash, `curl` or `wget`, `tar`, and `shasum` or `sha256sum`.
 Install the latest release:

 ```powershell
-irm https://raw.githubusercontent.com/Twigpine/zero/main/scripts/install.ps1 | iex
+irm https://raw.githubusercontent.com/Gitlawb/zero/main/scripts/install.ps1 | iex
 ```

 From a checkout:
@@ -155,7 +123,7 @@ powershell -ExecutionPolicy Bypass -File scripts/install.ps1 -InstallDir "$env:U

 Defaults:

- Repository: `Twigpine/zero`
+- Repository: `Gitlawb/zero`
 - Version: latest GitHub release
 - Install path: `%LOCALAPPDATA%\zero\bin\zero.exe`

@@ -166,13 +134,13 @@ archives through its `ubi` backend, so there is nothing extra to publish and no
 registry in the middle:

 ```bash
-mise use -g ubi:Twigpine/zero
+mise use -g ubi:Gitlawb/zero
 ```

 Pin a version the same way you would any other tool:

 ```bash
-mise use -g ubi:Twigpine/[email protected]
+mise use -g ubi:Gitlawb/[email protected]
 ```

 Updates come from `mise upgrade`. `zero upgrade` also works, because a
@@ -185,19 +153,13 @@ describe a version that is no longer on disk. Prefer `mise upgrade`.
 go install github.com/Gitlawb/zero/cmd/zero@latest
 ```

-Every release so far declares the module path `github.com/Gitlawb/zero`, so
-`go install` has to use that path; `github.com/Twigpine/zero/cmd/zero@latest`
-fails with "module declares its path as" until a release is tagged with the new
-module path.
-
-This builds from source, so it needs Go 1.26.9+ and it does not go through the
+This builds from source, so it needs Go 1.26.6+ and it does not go through the
 release archives. Two consequences worth knowing before you pick it:

- On Linux, Bubblewrap is still required for native sandboxing. Zero resolves
-  the helper in this order: an executable `zero-linux-sandbox` next to `zero`,
-  then `PATH`, then self-exec of the main binary. Standalone helpers remain
-  optional and preferred. See
+- On Linux you also need the sandbox helper, which is a separate binary and is
+  not installed by this command. See
  [Sandbox Helpers For Source Builds](#sandbox-helpers-for-source-builds).
+  Without it, native sandboxing is unavailable.
 - `zero upgrade` treats the result as a standalone install and will replace the
  binary with a release build rather than rebuilding from source. If you chose
  `go install` deliberately, rerun it instead.
@@ -207,7 +169,7 @@ macOS and Windows need no extra helper.
 ## From Source

 ```bash
-git clone https://github.com/Twigpine/zero.git
+git clone https://github.com/Gitlawb/zero.git
 cd zero
 go run ./cmd/zero
 ```
@@ -218,32 +180,25 @@ Build a local binary:
 go build -o zero ./cmd/zero
 ```

-Source builds require Go 1.26.9+.
+Source builds require Go 1.26.6+.

 ### Sandbox Helpers For Source Builds

-Release archives include the platform sandbox helpers. A source build of the
-main `zero` binary is enough for Linux native sandboxing. Zero resolves the
-helper in this order:
+Release archives include the platform sandbox helpers. If you build directly
+from source, build the helpers you need:

-1. an executable `zero-linux-sandbox` next to `zero`
-2. then `PATH`
-3. then self-exec of the main binary
-
-Bubblewrap must still be installed. Standalone helpers remain optional and
-preferred.
-
-A separate helper remains supported if it sits next to `zero` or on `PATH`:
+Linux:

 ```bash
 go build -o zero ./cmd/zero
-go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox   # optional
-go build -o zero-seccomp ./cmd/zero-seccomp               # optional compatibility wrapper
+go build -o zero-linux-sandbox ./cmd/zero-linux-sandbox
+go build -o zero-seccomp ./cmd/zero-seccomp
 ```

-Put `zero` on `PATH`, for example `~/.local/bin`. `zero-seccomp` is kept as a
-compatibility wrapper; the sandbox helper applies the Unix-socket filter itself
-when that sandbox option is enabled.
+Put `zero` and `zero-linux-sandbox` in the same directory on `PATH`, for example
+`~/.local/bin`. `zero-seccomp` is kept as a compatibility wrapper; the sandbox
+helper applies the Unix-socket filter itself when that sandbox option is enabled.
+Linux native sandboxing also requires Bubblewrap to be installed.

 macOS uses the system sandbox and does not need an extra helper binary.

@@ -258,7 +213,7 @@ seccomp filter on Android:
 pkg install golang

 # Build Zero for Android
-git clone https://github.com/Twigpine/zero.git
+git clone https://github.com/Gitlawb/zero.git
 cd zero
 CGO_ENABLED=0 GOOS=android GOARCH=arm64 go build -ldflags="-s -w" -o zero ./cmd/zero

@@ -347,10 +302,7 @@ See the [update guide](UPDATE.md) for update modes, flags, and platform details.
 overwriting a binary a package manager owns leaves that manager describing a
 version that is no longer there:

- **npm**: runs `npm install -g @twigpine/zero@latest` for you. An install of
-  the old `@gitlawb/zero` package refuses instead and prints the steps in
-  [Moving from @gitlawb/zero](#moving-from-gitlawbzero): that name gets no
-  further releases, so npm would only reinstall the same version.
+- **npm**: runs `npm install -g @gitlawb/zero@latest` for you.
 - **Homebrew**: refuses, and tells you to run `brew upgrade zero`. Replacing the
  keg binary directly would be reverted by the next `brew upgrade` or
  `brew reinstall`.
@@ -1,26 +0,0 @@
-# Local per-model completion limits
-
-Add `modelRPM` to the existing Zero config file:
-
-```json
-{"modelRPM": {"gpt-4.1": 30, "claude-sonnet-4.5": 15}}
-```
-
-Keys resolve through the model registry; custom IDs match exactly after trimming
-whitespace. Missing keys and zero mean unlimited. Negative limits and conflicting
-aliases are configuration errors. Project config may add or tighten a user cap,
-but cannot relax it. Changes take effect on the next Zero process start.
-
-For `zero exec` and interactive agent turns, admission happens immediately before
-the wrapped turn session's `Stream`. N admissions fit in any sliding 60-second
-window; N+1 returns a local rate-limit error before entering that method. The
-error reports when a slot expires. Exec uses its existing provider-error exit
-code plus a local-limit hint. There is no sleep or hidden retry. Failed admitted
-requests still consume a slot.
-
-Sessions and model switches share a limiter in one process. Separate processes
-have independent windows; restarting clears them. This is not an account-wide
-cap. It counts Stream admissions, not all HTTP requests: setup/prewarm,
-compaction, provider-internal retries, discovery and direct calls outside that
-boundary are not counted. No TPM, cost budgets, persistence, cross-process
-coordination or new runtime/Python dependency is introduced.
@@ -1,6 +1,6 @@
 # npm packaging

-How `@twigpine/zero` is put together on npm, why it is shaped this way, and the
+How `@gitlawb/zero` is put together on npm, why it is shaped this way, and the
 rules the release pipeline must follow. Read this before touching
 `package.json`, `bin/zero.js`, `scripts/postinstall.mjs`,
 `scripts/npm/build-platform-packages.mjs`, or the npm-publish steps of
@@ -8,7 +8,7 @@ rules the release pipeline must follow. Read this before touching

 ## Goals

-A `npm install -g @twigpine/zero` must be **silent and self-contained**:
+A `npm install -g @gitlawb/zero` must be **silent and self-contained**:

 - No `EBADENGINE` warnings — ours or from any package in the dependency tree.
 - No install scripts anywhere in the tree, so npm's `allow-scripts` gating,
@@ -25,15 +25,15 @@ The model is the one used by Codex, esbuild, and Biome: a tiny wrapper package
 plus per-platform payloads carrying the native binaries.

 ```
-@twigpine/zero                    <- wrapper: bin/zero.js + optionalDependencies
-├─ @twigpine/zero-darwin-arm64 -> npm:@twigpine/zero@{version}-darwin-arm64
-├─ @twigpine/zero-darwin-x64   -> npm:@twigpine/zero@{version}-darwin-x64
-├─ @twigpine/zero-linux-arm64  -> npm:@twigpine/zero@{version}-linux-arm64
-├─ @twigpine/zero-linux-x64    -> npm:@twigpine/zero@{version}-linux-x64
-└─ @twigpine/zero-win32-x64    -> npm:@twigpine/zero@{version}-win32-x64
+@gitlawb/zero                    <- wrapper: bin/zero.js + optionalDependencies
+├─ @gitlawb/zero-darwin-arm64 -> npm:@gitlawb/zero@{version}-darwin-arm64
+├─ @gitlawb/zero-darwin-x64   -> npm:@gitlawb/zero@{version}-darwin-x64
+├─ @gitlawb/zero-linux-arm64  -> npm:@gitlawb/zero@{version}-linux-arm64
+├─ @gitlawb/zero-linux-x64    -> npm:@gitlawb/zero@{version}-linux-x64
+└─ @gitlawb/zero-win32-x64    -> npm:@gitlawb/zero@{version}-win32-x64
 ```

- The platform "packages" are **versions of the same `@twigpine/zero` package**,
+- The platform "packages" are **versions of the same `@gitlawb/zero` package**,
  published at suffixed versions (`0.4.0-linux-x64`) and referenced through
  `npm:` aliases in `optionalDependencies`. One package name means one npm
  trusted-publisher configuration — no new publish credentials per platform.
@@ -56,7 +56,7 @@ plus per-platform payloads carrying the native binaries.

 ### Binary resolution in `bin/zero.js`

-1. Resolve `@twigpine/zero-<platform>-<arch>` and exec the `zero` binary from
+1. Resolve `@gitlawb/zero-<platform>-<arch>` and exec the `zero` binary from
   it. This wins over any previously downloaded copy — the platform version is
   pinned to the wrapper release.
 2. Fall back to a binary previously downloaded next to the wrapper.
@@ -103,22 +103,10 @@ dependencies of the wrapper:
  platform binary (plus the musl variant on linux, which its launcher detects
  at runtime) — about 65 MB saved per platform package.

-### One package name
-
-The npm name lives in `package.json` and nothing else repeats it:
-`scripts/npm/build-platform-packages.mjs` names the wrapper, the platform
-versions, the alias names, and the alias targets from it, and `bin/zero.js`
-reads its own `package.json` to derive the alias it resolves. The Go side
-needs the name as a constant (`npmPackageName` in
-`internal/update/installmethod.go`), and a test holds it equal to
-`package.json`.
-
 ## Publishing rules (release pipeline)

 These are the invariants `release-artifacts.yml` must hold. Breaking the first
-one is user-visible immediately. `scripts/npm/publish-packages.sh` implements
-them, and `internal/npmwrapper/publish_test.go` runs it against a fake
-registry.
+one is user-visible immediately.

 1. **Platform versions must never become `latest`.** `0.4.0-linux-x64` is a
   semver *prerelease* of `0.4.0`; publishing it without an explicit
@@ -130,67 +118,20 @@ registry.
   bootstrap publish) — a missing value must not abort the job between the
   platform and wrapper publishes, which would strand a half-published
   release.
-2. **Platform versions are on the registry before the wrapper.** The
-   wrapper's `optionalDependencies` pin exact suffixed versions; publishing
-   the wrapper first would create a window where installs resolve aliases
-   that 404. Ordering the uploads is not enough: npm applies a publish
-   asynchronously, and in 0.10.0 a platform version appeared ten minutes
-   after its upload returned, after the wrapper. The publish script waits
-   until npm shows every platform version before it publishes the wrapper,
-   and waits the same way for `latest` afterwards (up to 30 minutes in all).
+2. **Platform versions publish before the wrapper.** The wrapper's
+   `optionalDependencies` pin exact suffixed versions; publishing the wrapper
+   first would create a window where installs resolve aliases that 404.
 3. **Exact-version pinning.** The wrapper at `X.Y.Z` references platform
   versions `X.Y.Z-<platform>-<arch>` exactly — never ranges — so a wrapper
-   and its binaries can never skew. The publish script refuses to start when
-   the wrapper's aliases do not match the platform payloads beside it.
+   and its binaries can never skew.
 4. All publishes go through the existing npm OIDC trusted-publishing flow and
   the `npm-publish` environment gate; no tokens. Because the platform
   payloads are versions of the same package, they reuse the single
-   trusted-publisher configuration. npm checks provenance against
-   `package.json` `repository`, so it must name the repository the workflow
-   runs in.
-5. **Re-runs are safe.** A version already on the registry is skipped rather
-   than republished, so re-running a job that failed between the platform and
-   wrapper publishes finishes the release. Only npm's E404 counts as "not
-   published"; a lookup that fails any other way is retried and then stops the
-   job before anything is published.
+   trusted-publisher configuration.

 `zero update` keeps working unchanged: it detects an npm install by finding a
-`package.json` named `@twigpine/zero` next to the running binary — true inside
-a platform payload too — and updates via `npm install -g @twigpine/zero@latest`.
-
-## The move from `@gitlawb/zero`
-
-Zero was published as `@gitlawb/zero` up to 0.9.0 and as `@twigpine/zero`
-from 0.10.0. There is no in-place migration: both packages own the `zero`
-bin, so npm refuses to install one over the other (`EEXIST`), and forcing it
-lets a later uninstall of the old package delete the shared bin. The user
-has to uninstall the old package and install the new one, in that order.
-
-Deprecating the old package alone would not have reached existing users.
-0.9.0's `zero upgrade` runs `npm install -g @gitlawb/zero@latest`; with
-nothing newer under that name, npm reinstalls nothing, prints no deprecation
-warning (it only warns when it installs something), and Zero reports the
-update as done. So 0.10.0 was published once more under the old name, as a
-bridge:
-
- The release job assembled the same verified artifacts a second time with
-  `build-platform-packages.mjs --package-name @gitlawb/zero` and published
-  them with the same script, after the `@twigpine/zero` publish. The steps
-  that did this ran once and have been removed from `release-artifacts.yml`.
- The bridge build knows its name from the `package.json` beside it. The Go
-  binary reports it as `InstallMethodNpmLegacy`: `zero upgrade` refuses
-  with the switch steps instead of reinstalling it, and `zero update --check`
-  adds them. `bin/zero.js` prints the same steps after `zero` exits, on a
-  terminal only. This handling stays in the code, since only a build
-  installed under the old name ever triggers it.
- Updating from 0.9.0 installs that bridge build, so npm also shows the
-  deprecation message.
-
-`@gitlawb/zero` is deprecated on every version and no longer has a trusted
-publisher, so this release workflow cannot publish it again; another version
-would take a maintainer publishing by hand. Its versions stay on the
-registry: existing installs resolve their platform payload through them, so
-they must never be unpublished.
+`package.json` named `@gitlawb/zero` next to the running binary — true inside
+a platform payload too — and updates via `npm install -g @gitlawb/zero@latest`.

 ## Runbook: bumping the vendored helpers

@@ -2,8 +2,7 @@

 Run this checklist when a PR changes npm distribution files such as
 `package.json`, `bin/zero.js`, `scripts/npm/build-platform-packages.mjs`,
-`scripts/npm/publish-packages.sh`, Go build or release tooling, or the npm
-`bin` wrapper.
+Go build or release tooling, or the npm `bin` wrapper.

 ## Required Checks

@@ -38,24 +37,24 @@ path:

 ```bash
 # platform-package path
-mkdir -p /tmp/zero-sim/node_modules/@twigpine
-cp -R dist/npm/wrapper /tmp/zero-sim/node_modules/@twigpine/zero
+mkdir -p /tmp/zero-sim/node_modules/@gitlawb
+cp -R dist/npm/wrapper /tmp/zero-sim/node_modules/@gitlawb/zero
 cp -R dist/npm/platforms/zero-<platform>-<arch> \
-  "/tmp/zero-sim/node_modules/@twigpine/zero-<platform>-<arch>"
-node /tmp/zero-sim/node_modules/@twigpine/zero/bin/zero.js --version
+  "/tmp/zero-sim/node_modules/@gitlawb/zero-<platform>-<arch>"
+node /tmp/zero-sim/node_modules/@gitlawb/zero/bin/zero.js --version

 # first-run download fallback (delete the platform package first)
-rm -rf "/tmp/zero-sim/node_modules/@twigpine/zero-<platform>-<arch>"
-node /tmp/zero-sim/node_modules/@twigpine/zero/bin/zero.js --version
+rm -rf "/tmp/zero-sim/node_modules/@gitlawb/zero-<platform>-<arch>"
+node /tmp/zero-sim/node_modules/@gitlawb/zero/bin/zero.js --version
 ```

 ## Checklist

- `package.json` has the expected package name (`@twigpine/zero`), version,
+- `package.json` has the expected package name (`@gitlawb/zero`), version,
  `bin.zero` entry, and NO `scripts` entries — the published package must be
  free of lifecycle scripts (see NPM_PACKAGING.md).
 - `scripts/npm/build-platform-packages.mjs` emits platform payloads whose
-  `package.json` is `@twigpine/zero@<version>-<platform>-<arch>` with matching
+  `package.json` is `@gitlawb/zero@<version>-<platform>-<arch>` with matching
  `os`/`cpu`, contains the executable binary and the vendored `helpers/` tree
  with regular-file (non-symlink) `.bin` shims, and a wrapper payload with no
  scripts, no dependencies, and the full five-alias `optionalDependencies`
@@ -6,7 +6,6 @@ Zero.
 ## User Docs

 - [Install](INSTALL.md)
- [Local per-model completion limits](MODEL_RPM.md)
 - [Update flow](UPDATE.md)
 - [OAuth logins and subscription-backed providers](oauth-subscriptions.md)

@@ -7,7 +7,7 @@ downloads, verifies, and installs it.
 ```bash
 zero update --check
 zero update --check --json
-zero update --check --repo Twigpine/zero
+zero update --check --repo Gitlawb/zero
 zero update --check --target windows-x64

 zero upgrade
@@ -28,11 +28,7 @@ them explicitly; `zero upgrade` is `zero update` with `--apply` implied.

 `--apply` installs the update in place:

- npm installs delegate to `npm install -g @twigpine/zero@latest`. An install
-  of the old `@gitlawb/zero` package refuses, without a release check, and
-  prints the steps to switch to `@twigpine/zero` (see
-  [INSTALL.md](INSTALL.md#moving-from-gitlawbzero)); `--check` prints them
-  too.
+- npm installs delegate to `npm install -g @gitlawb/zero@latest`.
 - Standalone installs download the release archive, verify its checksum,
  extract it, and atomically replace the running binary plus any installed
  optional sandbox helpers.
@@ -42,7 +38,7 @@ them explicitly; `zero upgrade` is `zero update` with `--apply` implied.
 - `--target` cannot be combined with `--apply`; it only applies to `--check`,
  since applying always installs onto the current machine.
 - `--repo` and `--endpoint` are ignored when applying to an npm-managed
-  install: that path delegates to `npm install -g @twigpine/zero@latest` and
+  install: that path delegates to `npm install -g @gitlawb/zero@latest` and
  takes its release from the npm registry, not from GitHub. They still apply to
  `--check` there.
 - `--json` serializes Zero's final result. For npm-managed installs, npm may
@@ -69,7 +65,7 @@ Endpoint resolution order:
 1. `--endpoint`
 2. `ZERO_UPDATE_RELEASE_URL`
 3. `--repo`
-4. `https://api.github.com/repos/Twigpine/zero/releases/latest`
+4. `https://api.github.com/repos/Gitlawb/zero/releases/latest`

 Installer scripts download the matching release asset for the local platform and
 verify its `.sha256` file. If Zero is already installed, run `zero upgrade`
@@ -97,24 +93,14 @@ binary:

 | State on disk | Meaning |
 |---|---|
-| `<binary>.old` (or `<binary>.<suffix>.old`) plus a `.keep` marker, or a per-user update-recovery record naming that copy | A previous update could not restore the original binary. The `.old` file may be the last binary the updater verified; the installed one may be unverified. The `.keep` marker is in the installation directory and can be deleted; the identity-bound record is not, so deleting the marker alone does not end the refusal. |
+| `<binary>.old` (or `<binary>.<suffix>.old`) plus a `.keep` marker | A previous update could not restore the original binary. The `.old` file may be the last binary the updater verified; the installed one may be unverified. |
 | `<binary>.…old.<suffix>.recovery` | A previous update could not even write the marker, so it moved the last verified binary to that name. |
 | The binary is missing and one or more `*.old` files exist | The previous attempt was interrupted between moves. |

 The refusal names the paths involved and the two moves that end the state:
 either move the recovery binary back over the executable path, or — if the
-installed binary is the one you want — delete the recovery copy itself (not
-only the `.keep` marker) after verifying the installed binary, then update
-again. Deleting the marker alone is not enough: a failed restore also records
-that copy in per-user state outside the installation directory, and the next
-update consults that record even if the marker is gone.
-
-That trusted record lives under `%AppData%\zero\update-recovery` (per-user).
-The recovery copy and its `.keep` marker sit in the installation directory
-(per-machine). A second Windows account on the same machine does not see the
-first account's unresolved record; the sibling marker is the machine-visible
-signal for every account. There is no separate machine-wide store: writing one
-would need a shared writable location and ACL rules the updater does not own.
+installed binary is the one you want — delete the `.keep` marker (or the
+`.recovery` copy, once you have verified the installed binary) and update again.

 This is deliberately fail-closed and differs from older releases, which deleted
 `<binary>.old` and proceeded. The trade-off is that anyone who can write in the
@@ -1,3 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80" width="80" height="80">
-      <circle cx="6.4" cy="6.4" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="6.4" r="1.3440793933950872" fill="#FFFFFF"/><circle cx="25.6" cy="6.4" r="2.03724340327418" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="6.4" r="2.5983501502741575" fill="#FFFFFF"/><circle cx="44.8" cy="6.4" r="3.087883576356698" fill="#FFFFFF"/><circle cx="54.4" cy="6.4" r="3.530261898078346" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="6.4" r="3.938362368365323" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="6.4" r="4.32" fill="#FFFFFF"/><circle cx="6.4" cy="16" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="16" r="1.2253406720005793" fill="#FFFFFF"/><circle cx="25.6" cy="16" r="1.8572691561702617" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="16" r="2.3688065860361402" fill="#FFFFFF"/><circle cx="44.8" cy="16" r="2.8150936284760535" fill="#FFFFFF"/><circle cx="54.4" cy="16" r="3.2183913448763177" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="16" r="3.5904393853139163" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="16" r="3.9383623683653233" fill="#FFFFFF"/><circle cx="6.4" cy="25.6" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="25.6" r="1.0983685811330859" fill="#FFFFFF"/><circle cx="25.6" cy="25.6" r="1.6648154545579388" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="25.6" r="2.1233464197636582" fill="#FFFFFF"/><circle cx="44.8" cy="25.6" r="2.5233883646560065" fill="#FFFFFF"/><circle cx="54.4" cy="25.6" r="2.8848956178295655" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="25.6" r="3.2183913448763177" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="25.6" r="3.530261898078346" fill="#FFFFFF"/><circle cx="6.4" cy="35.199999999999996" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="35.199999999999996" r="0.9607316398574451" fill="#FFFFFF"/><circle cx="25.6" cy="35.199999999999996" r="1.456196862502631" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="35.199999999999996" r="1.8572691561702614" fill="#FFFFFF"/><circle cx="44.8" cy="35.199999999999996" r="2.2071817085957024" fill="#FFFFFF"/><circle cx="54.4" cy="35.199999999999996" r="2.5233883646560065" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="35.199999999999996" r="2.815093628476053" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="35.199999999999996" r="3.087883576356698" fill="#FFFFFF"/><circle cx="6.4" cy="44.8" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="44.8" r="0.8084233550482692" fill="#FFFFFF"/><circle cx="25.6" cy="44.8" r="1.2253406720005793" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="44.8" r="1.56282951468281" fill="#FFFFFF"/><circle cx="44.8" cy="44.8" r="1.8572691561702617" fill="#FFFFFF"/><circle cx="54.4" cy="44.8" r="2.1233464197636582" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="44.8" r="2.3688065860361402" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="44.8" r="2.5983501502741584" fill="#FFFFFF"/><circle cx="6.4" cy="54.4" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="54.4" r="0.633846499460857" fill="#FFFFFF"/><circle cx="25.6" cy="54.4" r="0.9607316398574451" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="54.4" r="1.225340672000579" fill="#FFFFFF"/><circle cx="44.8" cy="54.4" r="1.456196862502631" fill="#FFFFFF"/><circle cx="54.4" cy="54.4" r="1.6648154545579388" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="54.4" r="1.8572691561702614" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="54.4" r="2.03724340327418" fill="#FFFFFF"/><circle cx="6.4" cy="63.99999999999999" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="63.99999999999999" r="0.4181827351271541" fill="#FFFFFF"/><circle cx="25.6" cy="63.99999999999999" r="0.6338464994608571" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="63.99999999999999" r="0.8084233550482695" fill="#FFFFFF"/><circle cx="44.8" cy="63.99999999999999" r="0.9607316398574454" fill="#FFFFFF"/><circle cx="54.4" cy="63.99999999999999" r="1.0983685811330863" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="63.99999999999999" r="1.2253406720005795" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="63.99999999999999" r="1.3440793933950876" fill="#FFFFFF"/><circle cx="6.4" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="16" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="25.6" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="35.199999999999996" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="44.8" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="54.4" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="63.99999999999999" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/><circle cx="73.60000000000001" cy="73.60000000000001" r="0.3456" fill="#FFFFFF"/>
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-  <path d="M452.028 141.347v35.651c-17.479 12.306-39.834 19.769-62.953 19.769-59.673 0-97.858-35.981-97.858-80.362s34.54-80.362 97.858-80.362c22.511 0 45.127 7.689 62.953 20.36v35.685c-13.105-16.42-37.856-28.743-62.953-28.743-44.052 0-70.695 20.846-70.695 53.077 0 32.232 28.691 53.077 70.695 53.077 25.323 0 49.727-11.906 62.744-28.1h.191v-.035z"/>
-</svg>
@@ -1,11 +0,0 @@
-<svg width="151" height="30" viewBox="0 0 151 30" fill="none" xmlns="http://www.w3.org/2000/svg">
-<g clip-path="url(#clip0_novita_dark)">
-<path d="M17.2639 0.640625V12.1297L0.03125 29.363H17.2639V17.8739H17.7376L28.7529 29.363H45.9875L17.2639 0.640625Z" fill="white"/>
-</g>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M126.329 25.5459H131.778V28.9895H127.454C124.427 28.9895 122.523 27.3247 122.523 24.2256V15.0698H119.438V11.5974H122.523L123.417 7.03393H126.3V11.5974H131.778V15.0698H126.329V25.5459ZM61.9158 6.0293L69.8449 23.7083H70.0753V6.0293H74.1983V28.9895H67.97L60.0409 11.3105H59.8105V28.9895H55.6875V6.0293H61.9158ZM84.78 29.334C79.734 29.334 76.5052 25.804 76.5052 20.3223C76.5052 14.8406 79.6764 11.2529 84.78 11.2529C89.8836 11.2529 92.9971 14.6966 92.9971 20.3223C92.9971 25.948 89.826 29.334 84.78 29.334ZM84.78 25.8904C87.0293 25.8904 88.903 25.115 88.9606 22.9053V17.7393C88.9606 15.4719 87.0581 14.6966 84.78 14.6966C82.5019 14.6966 80.5418 15.4719 80.5418 17.7393V22.9053C80.5994 25.1438 82.5307 25.8904 84.78 25.8904ZM97.4094 11.5686L101.907 25.3443H102.137L106.635 11.5686H110.787L104.587 28.9607H99.4547L93.284 11.5686H97.407H97.4094ZM112.922 11.5974H116.728V28.9895H112.922V11.5974ZM112.69 6.0293H116.957V9.30127H112.69V6.0293ZM141.12 29.3628C136.477 29.3628 133.508 25.8328 133.508 20.3223C133.508 14.8118 136.42 11.2817 141.12 11.2817C143.312 11.2817 145.099 12.1423 146.166 13.7495H146.397L147.147 11.5974H150.03V28.9895H147.147L146.397 26.8938H146.166C145.013 28.4146 143.081 29.3616 141.12 29.3616V29.3628ZM141.898 25.8904C144.176 25.8904 146.165 25.1726 146.223 22.9053V17.7393C146.223 15.4143 144.146 14.7542 141.812 14.7542C139.477 14.7542 137.545 15.4719 137.545 17.7393V22.9053C137.602 25.2014 139.592 25.8904 141.898 25.8904Z" fill="white"/>
-<defs>
-<clipPath id="clip0_novita_dark">
-<rect width="45.9562" height="28.7223" fill="white" transform="translate(0.0292969 0.640625)"/>
-</clipPath>
-</defs>
-</svg>
@@ -1,11 +0,0 @@
-<svg width="151" height="30" viewBox="0 0 151 30" fill="none" xmlns="http://www.w3.org/2000/svg">
-<g clip-path="url(#clip0_125_11573)">
-<path d="M17.2639 0.640625V12.1297L0.03125 29.363H17.2639V17.8739H17.7376L28.7529 29.363H45.9875L17.2639 0.640625Z" fill="black"/>
-</g>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M126.329 25.5459H131.778V28.9895H127.454C124.427 28.9895 122.523 27.3247 122.523 24.2256V15.0698H119.438V11.5974H122.523L123.417 7.03393H126.3V11.5974H131.778V15.0698H126.329V25.5459ZM61.9158 6.0293L69.8449 23.7083H70.0753V6.0293H74.1983V28.9895H67.97L60.0409 11.3105H59.8105V28.9895H55.6875V6.0293H61.9158ZM84.78 29.334C79.734 29.334 76.5052 25.804 76.5052 20.3223C76.5052 14.8406 79.6764 11.2529 84.78 11.2529C89.8836 11.2529 92.9971 14.6966 92.9971 20.3223C92.9971 25.948 89.826 29.334 84.78 29.334ZM84.78 25.8904C87.0293 25.8904 88.903 25.115 88.9606 22.9053V17.7393C88.9606 15.4719 87.0581 14.6966 84.78 14.6966C82.5019 14.6966 80.5418 15.4719 80.5418 17.7393V22.9053C80.5994 25.1438 82.5307 25.8904 84.78 25.8904ZM97.4094 11.5686L101.907 25.3443H102.137L106.635 11.5686H110.787L104.587 28.9607H99.4547L93.284 11.5686H97.407H97.4094ZM112.922 11.5974H116.728V28.9895H112.922V11.5974ZM112.69 6.0293H116.957V9.30127H112.69V6.0293ZM141.12 29.3628C136.477 29.3628 133.508 25.8328 133.508 20.3223C133.508 14.8118 136.42 11.2817 141.12 11.2817C143.312 11.2817 145.099 12.1423 146.166 13.7495H146.397L147.147 11.5974H150.03V28.9895H147.147L146.397 26.8938H146.166C145.013 28.4146 143.081 29.3616 141.12 29.3616V29.3628ZM141.898 25.8904C144.176 25.8904 146.165 25.1726 146.223 22.9053V17.7393C146.223 15.4143 144.146 14.7542 141.812 14.7542C139.477 14.7542 137.545 15.4719 137.545 17.7393V22.9053C137.602 25.2014 139.592 25.8904 141.898 25.8904Z" fill="black"/>
-<defs>
-<clipPath id="clip0_125_11573">
-<rect width="45.9562" height="28.7223" fill="white" transform="translate(0.0292969 0.640625)"/>
-</clipPath>
-</defs>
-</svg>
@@ -1,10 +1,10 @@
-module github.com/Twigpine/zero
+module github.com/Gitlawb/zero

-go 1.26.9
+go 1.26.6

 require (
 	charm.land/bubbles/v2 v2.1.1
-	charm.land/bubbletea/v2 v2.0.9
+	charm.land/bubbletea/v2 v2.0.8
 	charm.land/lipgloss/v2 v2.0.5
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/alecthomas/chroma/v2 v2.27.0
@@ -18,7 +18,6 @@ require (
 	github.com/ledongthuc/pdf v0.0.0-20250511090121-5959a4027728
 	golang.org/x/image v0.45.0
 	golang.org/x/sys v0.47.0
-	gopkg.in/yaml.v3 v3.0.1
 	mvdan.cc/sh/v3 v3.13.1
 )

@@ -1,7 +1,7 @@
 charm.land/bubbles/v2 v2.1.1 h1:7r55WzBxpo/R3z98hGmY7KKPd3ET6vsf0Fb9sDHOV60=
 charm.land/bubbles/v2 v2.1.1/go.mod h1:GE6M31gaWZVXzGw73OeuTTgy4lX+OtkH0E5ymnNsHxo=
-charm.land/bubbletea/v2 v2.0.9 h1:DpJCMWKgzQK8SJv4zbKKFHAI10ymWy/evClPFk0k0f8=
-charm.land/bubbletea/v2 v2.0.9/go.mod h1:2SkdgoTXluXJHOUwAoRlRXF/28vklb1rFl6GcgV1/ss=
+charm.land/bubbletea/v2 v2.0.8 h1:SxTJMhCAI3lbPmy4SgX5LWZ24AdINr4I6UEqzZvYJuY=
+charm.land/bubbletea/v2 v2.0.8/go.mod h1:2SkdgoTXluXJHOUwAoRlRXF/28vklb1rFl6GcgV1/ss=
 charm.land/lipgloss/v2 v2.0.5 h1:kbNxgeeUOYv5J0YdpxFjfvf3dFvqH8Aci4zB6xqFtrY=
 charm.land/lipgloss/v2 v2.0.5/go.mod h1:9oqhxt4yxIMe6q5A4kHr44DremZk7J9UNh74GlWa5nc=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
@@ -64,15 +64,13 @@ github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavM
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20260611194520-c48552f49976 h1:X8Hz2ImujgbmetVuW+w2YkyZChE3cBpZi2P158rTG9M=
 golang.org/x/exp v0.0.0-20260611194520-c48552f49976/go.mod h1:vnf4pv9iKZXY58sQE1L86zmNWJ4159e1RkcWiLCkeEY=
+golang.org/x/image v0.44.0 h1:+tDekMZED9+LrtB3G5xzRggpVh9CARjZqROla3R3R+I=
+golang.org/x/image v0.44.0/go.mod h1:V8K3KE9KKKE+pLpQDOeN18w9oacNSvy1tDOirTu4xtY=
 golang.org/x/image v0.45.0 h1:FMb1nTbH5H9vF55SriQHgFw5GnNL9Jg6L25BwXKzhB0=
 golang.org/x/image v0.45.0/go.mod h1:n62x/7RqlwXDvGsSU4u6IUTUf6KghUZ9Bt7cG/T9Fx4=
 golang.org/x/sync v0.22.0 h1:SZjpbeLmrCk4xhRSZFNZW5gFUeCeFgjekvI/+gfScek=
 golang.org/x/sync v0.22.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
 golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 mvdan.cc/sh/v3 v3.13.1 h1:DP3TfgZhDkT7lerUdnp6PTGKyxxzz6T+cOlY/xEvfWk=
 mvdan.cc/sh/v3 v3.13.1/go.mod h1:lXJ8SexMvEVcHCoDvAGLZgFJ9Wsm2sulmoNEXGhYZD0=
@@ -15,7 +15,7 @@ import (
 	"fmt"
 	"testing"

-	"github.com/Twigpine/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/agent"
 )

 // ---- an offered option is an acceptable answer ----
@@ -1,181 +0,0 @@
-package acp
-
-import (
-	"bytes"
-	"context"
-	"encoding/base64"
-	"encoding/json"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/Twigpine/zero/internal/agent"
-	"github.com/Twigpine/zero/internal/config"
-	"github.com/Twigpine/zero/internal/providermodeldiscovery"
-	"github.com/Twigpine/zero/internal/sessions"
-	"github.com/Twigpine/zero/internal/zeroruntime"
-)
-
-func TestACPImageAttachmentHistory(t *testing.T) {
-	for _, tc := range []struct {
-		name          string
-		text          string
-		images        int
-		withoutVision bool
-		want          string
-	}{
-		{name: "image only", images: 1, want: "[1 image]"},
-		{name: "text and images", text: "compare these", images: 2, want: "compare these [2 images]"},
-		{name: "ignored by model", images: 1, withoutVision: true, want: ""},
-	} {
-		t.Run(tc.name, func(t *testing.T) {
-			deps := testDeps(t)
-			deps.DiscoverModels = func(context.Context, config.ProviderProfile) ([]providermodeldiscovery.Model, error) {
-				modalities := []string{"text", "image"}
-				if tc.withoutVision {
-					modalities = []string{"text"}
-				}
-				return []providermodeldiscovery.Model{{ID: "fake-model", InputModalities: modalities}}, nil
-			}
-			type observedTurn struct {
-				prompt string
-				images int
-			}
-			turns := make(chan observedTurn, 8)
-			deps.RunAgent = func(_ context.Context, prompt string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-				turns <- observedTurn{prompt: prompt, images: len(opts.Images)}
-				return agent.Result{FinalAnswer: "received"}, nil
-			}
-			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-			defer cancel()
-			workspace := t.TempDir()
-			h := newHarness(t, deps)
-			defer h.stop()
-			var created NewSessionResult
-			if err := h.client.Call(ctx, MethodSessionNew, NewSessionParams{Cwd: workspace}, &created); err != nil {
-				t.Fatal(err)
-			}
-			const imageData = "image-history-bytes-not-for-storage"
-			encoded := base64.StdEncoding.EncodeToString([]byte(imageData))
-			var blocks []ContentBlock
-			if tc.text != "" {
-				blocks = append(blocks, TextBlock(tc.text))
-			}
-			for range tc.images {
-				blocks = append(blocks, ImageBlock(encoded, "image/png"))
-			}
-			if err := h.client.Call(ctx, MethodSessionPrompt, PromptParams{SessionID: created.SessionID, Prompt: blocks}, &PromptResult{}); err != nil {
-				t.Fatal(err)
-			}
-			live := <-turns
-			wantLiveImages := tc.images
-			if tc.withoutVision {
-				wantLiveImages = 0
-			}
-			if live.images != wantLiveImages {
-				t.Fatalf("live images = %d, want %d", live.images, wantLiveImages)
-			}
-			events, err := deps.Store.ReadEvents(created.SessionID)
-			if err != nil || len(events) < 2 {
-				t.Fatalf("read completed turn: events=%+v err=%v", events, err)
-			}
-			var user struct {
-				Role        string `json:"role"`
-				Content     string `json:"content"`
-				Attachments struct {
-					Images int `json:"images"`
-				} `json:"attachments"`
-			}
-			if err := json.Unmarshal(events[0].Payload, &user); err != nil {
-				t.Fatal(err)
-			}
-			if user.Role != "user" || user.Content != tc.text || user.Attachments.Images != wantLiveImages {
-				t.Errorf("stored user event = %s, want original text and attachments.images=%d", events[0].Payload, wantLiveImages)
-			}
-			for _, event := range events {
-				if bytes.Contains(event.Payload, []byte(encoded)) || bytes.Contains(event.Payload, []byte(imageData)) {
-					t.Errorf("image data leaked into session event: %s", event.Payload)
-				}
-			}
-			followUp := func(t *testing.T, client *clientHarness) {
-				t.Helper()
-				if err := client.client.Call(ctx, MethodSessionPrompt, PromptParams{
-					SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("what did I send?")},
-				}, &PromptResult{}); err != nil {
-					t.Fatal(err)
-				}
-				got := <-turns
-				if want := "User: " + tc.want + "\n"; !strings.Contains(got.prompt, want) {
-					t.Errorf("seeded prompt missing user history %q: %q", want, got.prompt)
-				}
-				if got.images != 0 {
-					t.Errorf("historical images reattached: %d", got.images)
-				}
-			}
-			followUp(t, h)
-			h.stop()
-			// Fresh agents and stores reproduce a process restart, with no shared
-			// in-memory history to hide a missing attachment in the event log.
-			for _, method := range []string{MethodSessionLoad, MethodSessionResume} {
-				t.Run(method, func(t *testing.T) {
-					restoredDeps := deps
-					restoredDeps.Store = sessions.NewStore(sessions.StoreOptions{RootDir: deps.Store.RootDir})
-					loader := newHarness(t, restoredDeps)
-					defer loader.stop()
-					if err := loader.client.Call(ctx, method, LoadSessionParams{SessionID: created.SessionID, Cwd: workspace}, &LoadSessionResult{}); err != nil {
-						t.Fatal(err)
-					}
-					if method == MethodSessionLoad {
-						select {
-						case update := <-loader.notifications:
-							if update.SessionUpdate != UpdateUserMessageChunk || update.Content.Text != tc.want {
-								t.Errorf("replayed user = %+v, want %q", update, tc.want)
-							}
-						case <-ctx.Done():
-							t.Fatal("user turn was not replayed")
-						}
-					} else {
-						select {
-						case update := <-loader.notifications:
-							t.Errorf("resume replayed transcript: %+v", update)
-						default:
-						}
-					}
-					followUp(t, loader)
-				})
-			}
-		})
-	}
-}
-
-func TestACPAttachmentHistoryReadsExistingSessionMessages(t *testing.T) {
-	deps := testDeps(t)
-	meta, err := deps.Store.Create(sessions.CreateInput{SessionID: "attachment-compatibility", Cwd: t.TempDir()})
-	if err != nil {
-		t.Fatal(err)
-	}
-	for i, payload := range []string{
-		`{"role":"user","content":"old text"}`,
-		`{"role":"user","content":"","attachments":{"images":1,"documents":2}}`,
-		`{"role":"user","content":"still text","attachments":{"images":-1,"documents":1.5}}`,
-		`{"role":"assistant","content":"answer","attachments":{"images":1}}`,
-	} {
-		if _, err := deps.Store.AppendEvent(meta.SessionID, sessions.AppendEventInput{Type: sessions.EventMessage, Payload: json.RawMessage(payload)}); err != nil {
-			t.Fatalf("append message %d: %v", i, err)
-		}
-	}
-	a := &Agent{deps: deps}
-	_, messages, _, err := a.loadHistory(meta.SessionID, false)
-	if err != nil {
-		t.Fatal(err)
-	}
-	want := []string{"old text", "[1 image] [2 documents]", "still text", "answer"}
-	if len(messages) != len(want) {
-		t.Fatalf("messages = %+v", messages)
-	}
-	for i, text := range want {
-		if messages[i].content != text {
-			t.Errorf("message %d = %q, want %q", i, messages[i].content, text)
-		}
-	}
-}
@@ -89,13 +89,6 @@ type Conn struct {

 	handlers  map[string]HandlerFunc
 	notifiers map[string]NotifyFunc
-	// Notifications for one method are an ordered stream: session/update in
-	// particular is stateful, so dispatching every frame in an unrelated
-	// goroutine can make a later chunk overtake an earlier one. Different
-	// methods retain independent tails, keeping session/cancel responsive while
-	// an update handler is busy.
-	notifyMu    sync.Mutex
-	notifyTails map[string]chan struct{}

 	mu      sync.Mutex
 	nextID  int64
@@ -113,12 +106,11 @@ type Conn struct {
 // lifetime.
 func NewConn(r io.Reader, w io.Writer) *Conn {
 	return &Conn{
-		rawReader:   r,
-		w:           w,
-		handlers:    make(map[string]HandlerFunc),
-		notifiers:   make(map[string]NotifyFunc),
-		notifyTails: make(map[string]chan struct{}),
-		pending:     make(map[int64]chan rpcMessage),
+		rawReader: r,
+		w:         w,
+		handlers:  make(map[string]HandlerFunc),
+		notifiers: make(map[string]NotifyFunc),
+		pending:   make(map[int64]chan rpcMessage),
 	}
 }

@@ -311,7 +303,11 @@ func (c *Conn) handleLine(ctx context.Context, line []byte) {
 		}(msg)
 	case msg.isNotify():
 		if fn := c.notifiers[msg.Method]; fn != nil {
-			c.dispatchNotification(ctx, msg, fn)
+			c.wg.Add(1)
+			go func(m rpcMessage) {
+				defer c.wg.Done()
+				fn(ctx, m.Params)
+			}(msg)
 		}
 	default:
 		// Malformed frame; reply only if we can identify a request id.
@@ -321,35 +317,6 @@ func (c *Conn) handleLine(ctx context.Context, line []byte) {
 	}
 }

-// dispatchNotification preserves wire order within one method without making
-// unrelated notification methods wait for each other. The read loop installs
-// each tail before starting its goroutine, so goroutine scheduling cannot
-// reorder the chain it observes.
-func (c *Conn) dispatchNotification(ctx context.Context, msg rpcMessage, fn NotifyFunc) {
-	c.notifyMu.Lock()
-	previous := c.notifyTails[msg.Method]
-	done := make(chan struct{})
-	c.notifyTails[msg.Method] = done
-	c.notifyMu.Unlock()
-
-	c.wg.Add(1)
-	go func() {
-		defer c.wg.Done()
-		defer func() {
-			close(done)
-			c.notifyMu.Lock()
-			if c.notifyTails[msg.Method] == done {
-				delete(c.notifyTails, msg.Method)
-			}
-			c.notifyMu.Unlock()
-		}()
-		if previous != nil {
-			<-previous
-		}
-		fn(ctx, msg.Params)
-	}()
-}
-
 func (c *Conn) dispatchRequest(ctx context.Context, msg rpcMessage) {
 	fn := c.handlers[msg.Method]
 	if fn == nil {
@@ -360,86 +360,6 @@ func TestConnNotification(t *testing.T) {
 	}
 }

-func TestConnNotificationsForOneMethodStayInWireOrder(t *testing.T) {
-	a, b, stop := connPair(t)
-	defer stop()
-
-	firstStarted := make(chan struct{})
-	releaseFirst := make(chan struct{})
-	delivered := make(chan int, 2)
-	b.HandleNotify("update", func(_ context.Context, params json.RawMessage) {
-		var in struct{ Sequence int }
-		_ = json.Unmarshal(params, &in)
-		if in.Sequence == 1 {
-			close(firstStarted)
-			<-releaseFirst
-		}
-		delivered <- in.Sequence
-	})
-
-	if err := a.Notify("update", map[string]int{"Sequence": 1}); err != nil {
-		t.Fatalf("first notify: %v", err)
-	}
-	select {
-	case <-firstStarted:
-	case <-time.After(2 * time.Second):
-		t.Fatal("first notification did not start")
-	}
-	if err := a.Notify("update", map[string]int{"Sequence": 2}); err != nil {
-		t.Fatalf("second notify: %v", err)
-	}
-	select {
-	case sequence := <-delivered:
-		t.Fatalf("notification %d overtook the blocked first notification", sequence)
-	case <-time.After(25 * time.Millisecond):
-	}
-	close(releaseFirst)
-	for want := 1; want <= 2; want++ {
-		select {
-		case got := <-delivered:
-			if got != want {
-				t.Fatalf("notification order = ...,%d; want %d", got, want)
-			}
-		case <-time.After(2 * time.Second):
-			t.Fatalf("notification %d was not delivered", want)
-		}
-	}
-}
-
-func TestConnDifferentNotificationMethodsStayConcurrent(t *testing.T) {
-	a, b, stop := connPair(t)
-	defer stop()
-
-	updateStarted := make(chan struct{})
-	releaseUpdate := make(chan struct{})
-	cancelDelivered := make(chan struct{})
-	b.HandleNotify("update", func(context.Context, json.RawMessage) {
-		close(updateStarted)
-		<-releaseUpdate
-	})
-	b.HandleNotify("cancel", func(context.Context, json.RawMessage) {
-		close(cancelDelivered)
-	})
-
-	if err := a.Notify("update", nil); err != nil {
-		t.Fatalf("update notify: %v", err)
-	}
-	select {
-	case <-updateStarted:
-	case <-time.After(2 * time.Second):
-		t.Fatal("update notification did not start")
-	}
-	if err := a.Notify("cancel", nil); err != nil {
-		t.Fatalf("cancel notify: %v", err)
-	}
-	select {
-	case <-cancelDelivered:
-	case <-time.After(2 * time.Second):
-		t.Fatal("different notification method was blocked behind update")
-	}
-	close(releaseUpdate)
-}
-
 func TestConnMethodNotFound(t *testing.T) {
 	a, _, stop := connPair(t)
 	defer stop()
@@ -1,213 +0,0 @@
-package acp
-
-import (
-	"context"
-	"errors"
-	"os"
-	"path/filepath"
-	"testing"
-	"time"
-
-	"github.com/Twigpine/zero/internal/agent"
-	"github.com/Twigpine/zero/internal/sessions"
-	"github.com/Twigpine/zero/internal/zeroruntime"
-)
-
-// captureAgentOptions makes every turn record the agent.Options it was built
-// with, so a test can assert the permission mode the next prompt actually runs
-// with rather than only what the wire reports.
-func captureAgentOptions(deps *Deps) *agent.Options {
-	var captured agent.Options
-	deps.RunAgent = func(_ context.Context, _ string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-		captured = opts
-		return agent.Result{FinalAnswer: "ok"}, nil
-	}
-	return &captured
-}
-
-func newHarnessT(t *testing.T, deps Deps) *clientHarness {
-	t.Helper()
-	h := newHarness(t, deps)
-	t.Cleanup(h.stop)
-	return h
-}
-
-func mustCall(t *testing.T, ctx context.Context, h *clientHarness, method string, params any, result any) {
-	t.Helper()
-	if err := h.client.Call(ctx, method, params, result); err != nil {
-		t.Fatalf("%s: %v", method, err)
-	}
-}
-
-// restartHarness replaces the live agent with a fresh one over the same store,
-// which is the process restart the persisted mode has to survive.
-func restartHarness(t *testing.T, h *clientHarness, deps Deps) *clientHarness {
-	t.Helper()
-	h.stop()
-	return newHarnessT(t, deps)
-}
-
-func modeOptionValue(t *testing.T, options []SessionConfigOption) string {
-	t.Helper()
-	for _, option := range options {
-		if option.ID == configIDMode {
-			return option.CurrentValue
-		}
-	}
-	t.Fatalf("no mode config option in %+v", options)
-	return ""
-}
-
-func assertModeReported(t *testing.T, result LoadSessionResult, want agent.PermissionMode) {
-	t.Helper()
-	if result.Modes == nil || result.Modes.CurrentModeID != string(want) {
-		t.Fatalf("modes = %+v, want currentModeId %q", result.Modes, want)
-	}
-	if got := modeOptionValue(t, result.ConfigOptions); got != string(want) {
-		t.Fatalf("mode config option = %q, want %q", got, want)
-	}
-}
-
-func TestACPModePersistsAcrossRestartLoadAndResume(t *testing.T) {
-	deps := testDeps(t)
-	captured := captureAgentOptions(&deps)
-	h := newHarnessT(t, deps)
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-	defer cancel()
-
-	workspace := t.TempDir()
-	var created NewSessionResult
-	mustCall(t, ctx, h, MethodSessionNew, NewSessionParams{Cwd: workspace, McpServers: []McpServer{}}, &created)
-
-	mustCall(t, ctx, h, MethodSessionSetMode, SetSessionModeParams{SessionID: created.SessionID, ModeID: string(agent.PermissionModePlan)}, &SetSessionModeResult{})
-	meta, err := deps.Store.Get(created.SessionID)
-	if err != nil || meta == nil {
-		t.Fatalf("store.Get: %v", err)
-	}
-	if meta.PermissionMode != string(agent.PermissionModePlan) {
-		t.Fatalf("stored mode = %q, want plan", meta.PermissionMode)
-	}
-
-	// LOAD after a restart: the response must report the stored mode, and the
-	// next prompt must actually run with it.
-	h = restartHarness(t, h, deps)
-	var loaded LoadSessionResult
-	mustCall(t, ctx, h, MethodSessionLoad, LoadSessionParams{SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{}}, &loaded)
-	assertModeReported(t, loaded, agent.PermissionModePlan)
-	mustCall(t, ctx, h, MethodSessionPrompt, PromptParams{SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("continue")}}, &PromptResult{})
-	if captured.PermissionMode != agent.PermissionModePlan {
-		t.Fatalf("after load, agent.Options.PermissionMode = %q, want plan", captured.PermissionMode)
-	}
-
-	// RESUME after another restart reports the same.
-	h = restartHarness(t, h, deps)
-	var resumed ResumeSessionResult
-	mustCall(t, ctx, h, MethodSessionResume, ResumeSessionParams{SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{}}, &resumed)
-	assertModeReported(t, resumed, agent.PermissionModePlan)
-}
-
-func TestACPModePersistsViaSetConfigOption(t *testing.T) {
-	deps := testDeps(t)
-	h := newHarnessT(t, deps)
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-	defer cancel()
-
-	workspace := t.TempDir()
-	var created NewSessionResult
-	mustCall(t, ctx, h, MethodSessionNew, NewSessionParams{Cwd: workspace, McpServers: []McpServer{}}, &created)
-
-	var configured SetSessionConfigOptionResult
-	mustCall(t, ctx, h, MethodSessionSetConfigOption, SetSessionConfigOptionParams{
-		SessionID: created.SessionID, ConfigID: configIDMode, Value: string(agent.PermissionModeAsk),
-	}, &configured)
-	if got := modeOptionValue(t, configured.ConfigOptions); got != string(agent.PermissionModeAsk) {
-		t.Fatalf("configured mode = %q, want ask", got)
-	}
-	meta, err := deps.Store.Get(created.SessionID)
-	if err != nil || meta == nil {
-		t.Fatalf("store.Get: %v", err)
-	}
-	if meta.PermissionMode != string(agent.PermissionModeAsk) {
-		t.Fatalf("stored mode = %q, want ask", meta.PermissionMode)
-	}
-
-	h = restartHarness(t, h, deps)
-	var loaded LoadSessionResult
-	mustCall(t, ctx, h, MethodSessionLoad, LoadSessionParams{SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{}}, &loaded)
-	assertModeReported(t, loaded, agent.PermissionModeAsk)
-}
-
-// TestACPModeRestoreFallback pins the restore boundary: no stored value keeps
-// the historical auto default, and a stored value outside the three offered
-// modes must never come back weaker than ask (and never unsafe).
-func TestACPModeRestoreFallback(t *testing.T) {
-	cases := []struct {
-		name string
-		seed string // "" means metadata written before modes were persisted
-		want agent.PermissionMode
-	}{
-		{name: "unset keeps auto", want: agent.PermissionModeAuto},
-		{name: "ask preserved", seed: string(agent.PermissionModeAsk), want: agent.PermissionModeAsk},
-		{name: "unknown falls back to ask", seed: "bogus", want: agent.PermissionModeAsk},
-		{name: "unsafe never restored", seed: string(agent.PermissionModeUnsafe), want: agent.PermissionModeAsk},
-	}
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			deps := testDeps(t)
-			captured := captureAgentOptions(&deps)
-			h := newHarnessT(t, deps)
-			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-			defer cancel()
-
-			workspace := t.TempDir()
-			var created NewSessionResult
-			mustCall(t, ctx, h, MethodSessionNew, NewSessionParams{Cwd: workspace, McpServers: []McpServer{}}, &created)
-			if tc.seed != "" {
-				if _, err := deps.Store.UpdateMode(created.SessionID, tc.seed); err != nil {
-					t.Fatalf("seed mode: %v", err)
-				}
-			}
-
-			h = restartHarness(t, h, deps)
-			var loaded LoadSessionResult
-			mustCall(t, ctx, h, MethodSessionLoad, LoadSessionParams{SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{}}, &loaded)
-			assertModeReported(t, loaded, tc.want)
-
-			mustCall(t, ctx, h, MethodSessionPrompt, PromptParams{SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("go")}}, &PromptResult{})
-			if captured.PermissionMode != tc.want {
-				t.Fatalf("next prompt PermissionMode = %q, want %q", captured.PermissionMode, tc.want)
-			}
-		})
-	}
-}
-
-// TestACPSetModeWriteFailureKeepsLiveMode pins the store-first order: when the
-// mode cannot be saved the request fails and the live session is untouched.
-func TestACPSetModeWriteFailureKeepsLiveMode(t *testing.T) {
-	deps := testDeps(t)
-	captured := captureAgentOptions(&deps)
-	h := newHarnessT(t, deps)
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-	defer cancel()
-
-	var created NewSessionResult
-	mustCall(t, ctx, h, MethodSessionNew, NewSessionParams{Cwd: t.TempDir(), McpServers: []McpServer{}}, &created)
-
-	// Remove the metadata file so UpdateMode fails but the live session stays
-	// promptable (turn persistence only warns when the file is gone).
-	metadataPath := filepath.Join(deps.Store.RootDir, created.SessionID, sessions.MetadataFile)
-	if err := os.Remove(metadataPath); err != nil {
-		t.Fatalf("remove metadata: %v", err)
-	}
-
-	err := h.client.Call(ctx, MethodSessionSetMode, SetSessionModeParams{SessionID: created.SessionID, ModeID: string(agent.PermissionModePlan)}, &SetSessionModeResult{})
-	var rpcErr *rpcError
-	if !errors.As(err, &rpcErr) || rpcErr.Code != codeInternalError {
-		t.Fatalf("set_mode with an unsavable mode = %v, want internal error", err)
-	}
-
-	mustCall(t, ctx, h, MethodSessionPrompt, PromptParams{SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("still auto")}}, &PromptResult{})
-	if captured.PermissionMode != agent.PermissionModeAuto {
-		t.Fatalf("failed set_mode changed the live mode: PermissionMode = %q, want auto", captured.PermissionMode)
-	}
-}
@@ -3,7 +3,7 @@ package acp
 import (
 	"encoding/json"

-	"github.com/Twigpine/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/agent"
 )

 // permission.go maps ZERO's permission prompt model onto ACP's
@@ -142,15 +142,13 @@ func actionOffered(optionID string, offered []PermissionOption) bool {
 // session/request_permission request from a ZERO permission request.
 func permissionToolCall(req agent.PermissionRequest) ToolCallUpdate {
 	args := marshalArgs(req.Args)
-	upd := ToolCallUpdate{
+	return ToolCallUpdate{
 		ToolCallID: req.ToolCallID,
 		Title:      toolTitle(req.ToolName, string(args)),
 		Kind:       toolKindFor(req.ToolName),
 		Status:     ToolStatusPending,
 		RawInput:   rawInputBytes(args),
 	}
-	attachBrowserToolDetails(&upd, req.ToolName)
-	return upd
 }

 func marshalArgs(args map[string]any) []byte {
@@ -4,7 +4,7 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/agent"
 )

 func escalationRequest(escalates bool) agent.PermissionRequest {
@@ -3,7 +3,7 @@ package acp
 import (
 	"testing"

-	"github.com/Twigpine/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/agent"
 )

 func TestBuildPermissionOptions(t *testing.T) {
@@ -82,17 +82,3 @@ func TestPermissionToolCall(t *testing.T) {
 		t.Error("expected rawInput from args")
 	}
 }
-
-func TestPermissionToolCallKeepsTheBrowserDescriptor(t *testing.T) {
-	call := permissionToolCall(agent.PermissionRequest{
-		ToolCallID: "browser-1",
-		ToolName:   "browser_connect",
-		Args:       map[string]any{"target": "127.0.0.1:9222"},
-	})
-	if got := browserDescriptor(t, call); got != (BrowserToolDetails{Version: 1, Command: "connect"}) {
-		t.Fatalf("browser descriptor = %#v", got)
-	}
-	if call.Title != "browser connect" {
-		t.Fatalf("title = %q", call.Title)
-	}
-}
@@ -2,14 +2,11 @@ package acp

 import (
 	"encoding/json"
-	"net/url"
-	"path/filepath"
 	"strings"
-	"unicode"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/agent"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 // translate.go maps ZERO's agent events onto ACP session/update payloads. The
@@ -20,14 +17,6 @@ func agentMessageChunk(delta string) ContentChunk {
 	return ContentChunk{SessionUpdate: UpdateAgentMessageChunk, Content: TextBlock(delta)}
 }

-func replayMessageChunk(role, messageID, text string) ContentChunk {
-	update := UpdateAgentMessageChunk
-	if role == "user" {
-		update = UpdateUserMessageChunk
-	}
-	return ContentChunk{SessionUpdate: update, MessageID: messageID, Content: TextBlock(text)}
-}
-
 func agentThoughtChunk(delta string) ContentChunk {
 	return ContentChunk{SessionUpdate: UpdateAgentThoughtChunk, Content: TextBlock(delta)}
 }
@@ -55,125 +44,12 @@ func toolKindFor(name string) string {

 // toolTitle builds a concise human title, e.g. "read_file src/main.go".
 func toolTitle(name, rawArgs string) string {
-	if browser, ok := browserToolDetails(name); ok {
-		return browserToolTitle(browser.Command, rawArgs)
-	}
 	if hint := primaryArgHint(rawArgs); hint != "" {
 		return name + " " + hint
 	}
 	return name
 }

-// browserToolDetails identifies ZERO's local browser helpers without treating
-// similarly named MCP tools as browser automation. The descriptor intentionally
-// contains no request data: ACP tool input is already protocol-visible, but a
-// durable UI must not need to retain text, local CDP targets, or full URLs just
-// to recognise the browser operation.
-func browserToolDetails(name string) (*BrowserToolDetails, bool) {
-	const prefix = "browser_"
-	command, ok := strings.CutPrefix(name, prefix)
-	if !ok {
-		return nil, false
-	}
-	switch command {
-	case "install", "launch", "connect", "open", "snapshot", "click", "type", "press", "action":
-		return &BrowserToolDetails{Version: 1, Command: command}, true
-	default:
-		return nil, false
-	}
-}
-
-const zeroBrowserMetaKey = "github.com/Twigpine/zero/browser"
-
-// attachBrowserToolDetails stores ZERO's browser descriptor in ACP's reserved
-// extension channel. Keeping this in one helper prevents start, result, and
-// permission payloads from drifting onto different wire shapes.
-func attachBrowserToolDetails(update *ToolCallUpdate, name string) {
-	browser, ok := browserToolDetails(name)
-	if !ok {
-		return
-	}
-	raw, err := json.Marshal(browser)
-	if err != nil {
-		return
-	}
-	update.Meta = map[string]json.RawMessage{zeroBrowserMetaKey: raw}
-}
-
-// browserToolTitle avoids putting browser_type text, an attached DevTools
-// endpoint, or a URL query/fragment in a tool-card title. Those values can
-// carry credentials or session data; the UI only needs the operation and, for
-// navigation, a human-recognisable origin.
-func browserToolTitle(command, rawArgs string) string {
-	switch command {
-	case "action":
-		action, ok := exactJSONStringArg(rawArgs, "command")
-		if !ok {
-			return "browser action"
-		}
-		if action, ok := tools.NormalizedBrowserActionCommand(action); ok {
-			return "browser action " + action
-		}
-		return "browser action"
-	case "open":
-		rawURL, ok := exactJSONStringArg(rawArgs, "url")
-		if !ok {
-			return "browser open"
-		}
-		normalized, err := tools.NormalizeBrowserOpenURL(rawURL)
-		if err != nil {
-			return "browser open"
-		}
-		u, err := url.Parse(normalized)
-		if err != nil || u.Scheme == "" || u.Host == "" {
-			return "browser open"
-		}
-		origin := u.Scheme + "://" + u.Host
-		if !browserTitleTextSafe(origin) {
-			return "browser open"
-		}
-		return "browser open " + truncateHint(origin)
-	default:
-		return "browser " + command
-	}
-}
-
-// browserTitleTextSafe validates text after URL parsing has decoded escaped
-// UTF-8 in the host. Valid UTF-8 alone is not presentation-safe: whitespace, control,
-// format/bidi, and line/paragraph separator runes can reorder or split the
-// permission label shown to a user. The execution URL remains unchanged.
-func browserTitleTextSafe(text string) bool {
-	if !utf8.ValidString(text) {
-		return false
-	}
-	for _, r := range text {
-		if unicode.IsSpace(r) || unicode.IsControl(r) || unicode.Is(unicode.Cf, r) || unicode.Is(unicode.Zl, r) || unicode.Is(unicode.Zp, r) {
-			return false
-		}
-	}
-	return true
-}
-
-// exactJSONStringArg mirrors ZERO's map-based tool argument decoding: only the
-// exact JSON key is considered, and a non-string value is invalid. In
-// particular, an incidental "URL" key must not change a permission title when
-// browser_open will only read "url".
-func exactJSONStringArg(rawArgs, key string) (string, bool) {
-	var args map[string]json.RawMessage
-	if json.Unmarshal([]byte(rawArgs), &args) != nil {
-		return "", false
-	}
-	raw, ok := args[key]
-	if !ok {
-		return "", false
-	}
-	var value string
-	if json.Unmarshal(raw, &value) != nil {
-		return "", false
-	}
-	return value, true
-}
-
 // primaryArgHint extracts the most relevant argument (path/pattern/command) from
 // raw JSON arguments. Best-effort; returns "" when it can't parse.
 func primaryArgHint(rawArgs string) string {
@@ -213,7 +89,7 @@ func rawInput(args string) json.RawMessage {
 // toolCallStart maps an advertised ZERO tool call to the initial ACP "tool_call"
 // update (status in_progress — ZERO executes immediately after advertising).
 func toolCallStart(call agent.ToolCall) ToolCallUpdate {
-	upd := ToolCallUpdate{
+	return ToolCallUpdate{
 		SessionUpdate: UpdateToolCall,
 		ToolCallID:    call.ID,
 		Title:         toolTitle(call.Name, call.Arguments),
@@ -221,8 +97,6 @@ func toolCallStart(call agent.ToolCall) ToolCallUpdate {
 		Status:        ToolStatusInProgress,
 		RawInput:      rawInput(call.Arguments),
 	}
-	attachBrowserToolDetails(&upd, call.Name)
-	return upd
 }

 // toolCallResult maps a finished ZERO tool result to a "tool_call_update".
@@ -242,64 +116,26 @@ func toolCallResult(result agent.ToolResult) ToolCallUpdate {
 	if locs := toolResultLocations(result); len(locs) > 0 {
 		upd.Locations = locs
 	}
-	attachBrowserToolDetails(&upd, result.Name)
 	return upd
 }

 func toolResultContent(result agent.ToolResult) []ToolCallContent {
-	content := make([]ToolCallContent, 0, 1+len(result.FileDiffs))
 	text := strings.TrimRight(result.Output, "\n")
 	if text == "" {
 		text = result.Display.Summary
 	}
 	if text == "" {
-		return appendToolResultDiffs(content, result.FileDiffs)
+		return nil
 	}
-	content = append(content, ToolContent(TextBlock(text)))
-	return appendToolResultDiffs(content, result.FileDiffs)
-}
-
-func appendToolResultDiffs(content []ToolCallContent, diffs []tools.FileDiff) []ToolCallContent {
-	for _, diff := range diffs {
-		if !filepath.IsAbs(diff.Path) || (!diff.OldExists && !diff.NewExists) {
-			continue
-		}
-		var oldText *string
-		if diff.OldExists {
-			old := diff.OldText
-			oldText = &old
-		}
-		var newText *string
-		if diff.NewExists {
-			updated := diff.NewText
-			newText = &updated
-		}
-		content = append(content, ToolCallContent{Type: "diff", Path: diff.Path, OldText: oldText, NewText: newText})
-	}
-	return content
+	return []ToolCallContent{ToolContent(TextBlock(text))}
 }

 func toolResultLocations(result agent.ToolResult) []ToolCallLocation {
-	locs := make([]ToolCallLocation, 0, len(result.FileDiffs)+len(result.ChangedFiles))
-	seen := make(map[string]bool, len(result.FileDiffs)+len(result.ChangedFiles))
-	for _, diff := range result.FileDiffs {
-		path := diff.Path
-		if path == "" || seen[path] {
-			continue
-		}
-		seen[path] = true
-		locs = append(locs, ToolCallLocation{Path: path})
-	}
-	// FileDiff.Path is canonical absolute path data while ChangedFiles is
-	// normally workspace-relative. Without the trusted workspace root these
-	// coordinate systems cannot be correlated safely: a suffix match would let
-	// /workspace/sub/a.go consume the fallback for a distinct root a.go. The
-	// shared seen set deduplicates only identities already exactly comparable.
+	locs := make([]ToolCallLocation, 0, len(result.ChangedFiles))
 	for _, f := range result.ChangedFiles {
-		if f == "" || seen[f] {
+		if strings.TrimSpace(f) == "" {
 			continue
 		}
-		seen[f] = true
 		locs = append(locs, ToolCallLocation{Path: f})
 	}
 	return locs
@@ -1,30 +1,14 @@
 package acp

 import (
-	"encoding/json"
-	"path/filepath"
 	"strings"
 	"testing"
-	"unicode"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/agent"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/agent"
+	"github.com/Gitlawb/zero/internal/tools"
 )

-func browserDescriptor(t *testing.T, update ToolCallUpdate) BrowserToolDetails {
-	t.Helper()
-	raw, ok := update.Meta[zeroBrowserMetaKey]
-	if !ok {
-		t.Fatalf("browser metadata = %#v, want %q", update.Meta, zeroBrowserMetaKey)
-	}
-	var details BrowserToolDetails
-	if err := json.Unmarshal(raw, &details); err != nil {
-		t.Fatalf("decode browser metadata: %v", err)
-	}
-	return details
-}
-
 func TestAgentMessageAndThoughtChunks(t *testing.T) {
 	m := agentMessageChunk("hello")
 	if m.SessionUpdate != UpdateAgentMessageChunk || m.Content.Type != "text" || m.Content.Text != "hello" {
@@ -72,223 +56,6 @@ func TestToolTitleAndHint(t *testing.T) {
 	}
 }

-func TestBrowserToolUpdatesAreStructuredAndPresentationSafe(t *testing.T) {
-	start := toolCallStart(agent.ToolCall{
-		ID:        "browser-1",
-		Name:      "browser_open",
-		Arguments: `{"url":"https://example.com/settings?token=not-for-a-title#account"}`,
-	})
-	if got := browserDescriptor(t, start); got != (BrowserToolDetails{Version: 1, Command: "open"}) {
-		t.Fatalf("browser descriptor = %#v, want open", got)
-	}
-	if start.Title != "browser open https://example.com" {
-		t.Fatalf("browser title = %q", start.Title)
-	}
-	if strings.Contains(start.Title, "token=") || strings.Contains(start.Title, "#account") {
-		t.Fatalf("browser title leaked URL-sensitive data: %q", start.Title)
-	}
-	encoded, err := json.Marshal(start)
-	if err != nil {
-		t.Fatal(err)
-	}
-	var wire struct {
-		Meta map[string]json.RawMessage `json:"_meta"`
-	}
-	if err := json.Unmarshal(encoded, &wire); err != nil {
-		t.Fatal(err)
-	}
-	if _, ok := wire.Meta[zeroBrowserMetaKey]; !ok {
-		t.Fatalf("browser wire metadata = %#v", wire.Meta)
-	}
-
-	typed := toolCallStart(agent.ToolCall{
-		ID:        "browser-2",
-		Name:      "browser_type",
-		Arguments: `{"ref":"email","text":"[email protected]"}`,
-	})
-	if got := browserDescriptor(t, typed); got.Command != "type" {
-		t.Fatalf("browser type descriptor = %#v", got)
-	}
-	if typed.Title != "browser type" || strings.Contains(typed.Title, "[email protected]") {
-		t.Fatalf("browser type title = %q", typed.Title)
-	}
-
-	action := toolCallStart(agent.ToolCall{
-		ID:        "browser-3",
-		Name:      "browser_action",
-		Arguments: `{"command":"keyboard_insert_text","args":["[email protected]"]}`,
-	})
-	if action.Title != "browser action keyboard_insert_text" {
-		t.Fatalf("browser action title = %q", action.Title)
-	}
-
-	result := toolCallResult(agent.ToolResult{
-		ToolCallID: "browser-2",
-		Name:       "browser_type",
-		Status:     tools.StatusOK,
-	})
-	if got := browserDescriptor(t, result); got.Command != "type" {
-		t.Fatalf("browser result descriptor = %#v", got)
-	}
-}
-
-func TestBrowserDescriptorSurvivesProtocolShapedRoundTrip(t *testing.T) {
-	updates := []ToolCallUpdate{
-		toolCallStart(agent.ToolCall{
-			ID:        "start",
-			Name:      "browser_open",
-			Arguments: `{"url":"https://user:[email protected]/private?token=secret#fragment"}`,
-		}),
-		toolCallResult(agent.ToolResult{
-			ToolCallID: "result",
-			Name:       "browser_type",
-			Status:     tools.StatusOK,
-		}),
-		permissionToolCall(agent.PermissionRequest{
-			ToolCallID: "permission",
-			ToolName:   "browser_connect",
-			Args:       map[string]any{"target": "127.0.0.1:9222"},
-		}),
-	}
-
-	type protocolToolCallUpdate struct {
-		SessionUpdate string                     `json:"sessionUpdate,omitempty"`
-		ToolCallID    string                     `json:"toolCallId"`
-		Title         string                     `json:"title,omitempty"`
-		Kind          string                     `json:"kind,omitempty"`
-		Status        string                     `json:"status,omitempty"`
-		RawInput      json.RawMessage            `json:"rawInput,omitempty"`
-		Content       []ToolCallContent          `json:"content,omitempty"`
-		Locations     []ToolCallLocation         `json:"locations,omitempty"`
-		Meta          map[string]json.RawMessage `json:"_meta,omitempty"`
-	}
-
-	for _, update := range updates {
-		encoded, err := json.Marshal(update)
-		if err != nil {
-			t.Fatal(err)
-		}
-		var root map[string]json.RawMessage
-		if err := json.Unmarshal(encoded, &root); err != nil {
-			t.Fatal(err)
-		}
-		if _, ok := root["browser"]; ok {
-			t.Fatalf("browser descriptor escaped ACP _meta: %s", encoded)
-		}
-
-		var protocol protocolToolCallUpdate
-		if err := json.Unmarshal(encoded, &protocol); err != nil {
-			t.Fatal(err)
-		}
-		forwarded, err := json.Marshal(protocol)
-		if err != nil {
-			t.Fatal(err)
-		}
-		var roundTripped ToolCallUpdate
-		if err := json.Unmarshal(forwarded, &roundTripped); err != nil {
-			t.Fatal(err)
-		}
-		details := browserDescriptor(t, roundTripped)
-		if details.Version != 1 || details.Command == "" {
-			t.Fatalf("round-tripped browser descriptor = %#v", details)
-		}
-		descriptorJSON := string(roundTripped.Meta[zeroBrowserMetaKey])
-		for _, secret := range []string{"password", "private", "token", "fragment", "127.0.0.1", "9222"} {
-			if strings.Contains(descriptorJSON, secret) {
-				t.Fatalf("browser descriptor leaked %q: %s", secret, descriptorJSON)
-			}
-		}
-	}
-}
-
-func TestBrowserPermissionTitlesMirrorSafeToolArguments(t *testing.T) {
-	if got := browserToolTitle("open", `{"url":"evil.example.test/pay?token=hidden#fragment"}`); got != "browser open https://evil.example.test" {
-		t.Fatalf("bare-host title = %q", got)
-	}
-	if got := browserToolTitle("open", `{"URL":"https://different.example.test"}`); got != "browser open" {
-		t.Fatalf("case-variant URL title = %q", got)
-	}
-	if got := browserToolTitle("open", `{"URL":"https://different.example.test","url":"https://actual.example.test/path"}`); got != "browser open https://actual.example.test" {
-		t.Fatalf("exact URL key title = %q", got)
-	}
-	if got := browserToolTitle("action", `{"command":"not an action"}`); got != "browser action" {
-		t.Fatalf("unknown browser action title = %q", got)
-	}
-
-	longHost := "https://" + strings.Repeat("a", 200) + ".example.test/path?token=hidden"
-	title := browserToolTitle("open", `{"url":"`+longHost+`"}`)
-	if !utf8.ValidString(title) || utf8.RuneCountInString(title) > len("browser open ")+61 || strings.Contains(title, "token=") {
-		t.Fatalf("bounded browser origin title = %q", title)
-	}
-}
-
-func TestBrowserOpenTitlesRejectDecodedUnicodePresentationControls(t *testing.T) {
-	for _, rawURL := range []string{
-		"https://safe.example%C2%A0evil.test/path",
-		"https://safe.example%E2%80%83evil.test/path",
-		"https://safe.example%E3%80%80evil.test/path",
-		"https://safe.example%E2%80%AEevil.test/path",
-		"https://safe.example%E2%81%A6evil.test/path",
-		"https://safe.example%C2%85evil.test/path",
-		"https://safe.example%E2%80%A8evil.test/path",
-		"https://safe.example%E2%80%A9evil.test/path",
-	} {
-		t.Run(rawURL, func(t *testing.T) {
-			normalized, err := tools.NormalizeBrowserOpenURL(rawURL)
-			if err != nil {
-				t.Fatalf("execution URL rejected: %v", err)
-			}
-			if normalized != rawURL {
-				t.Fatalf("execution URL = %q, want unchanged %q", normalized, rawURL)
-			}
-
-			args, err := json.Marshal(map[string]any{"url": rawURL})
-			if err != nil {
-				t.Fatal(err)
-			}
-			if title := browserToolTitle("open", string(args)); title != "browser open" {
-				t.Errorf("unsafe origin accepted before permission translation: %q", title)
-			}
-			updates := []ToolCallUpdate{
-				toolCallStart(agent.ToolCall{ID: "start", Name: "browser_open", Arguments: string(args)}),
-				permissionToolCall(agent.PermissionRequest{ToolCallID: "permission", ToolName: "browser_open", Args: map[string]any{"url": rawURL}}),
-			}
-			for _, update := range updates {
-				encoded, err := json.Marshal(update)
-				if err != nil {
-					t.Fatal(err)
-				}
-				var decoded ToolCallUpdate
-				if err := json.Unmarshal(encoded, &decoded); err != nil {
-					t.Fatal(err)
-				}
-				if decoded.Title != "browser open" {
-					t.Fatalf("unsafe browser title survived wire round trip: %q", decoded.Title)
-				}
-				for _, r := range decoded.Title {
-					if unicode.IsControl(r) || unicode.Is(unicode.Cf, r) || unicode.Is(unicode.Zl, r) || unicode.Is(unicode.Zp, r) {
-						t.Fatalf("browser title contains unsafe presentation rune %U: %q", r, decoded.Title)
-					}
-				}
-			}
-		})
-	}
-}
-
-func TestBrowserDescriptorDoesNotClaimSimilarlyNamedMCPTools(t *testing.T) {
-	start := toolCallStart(agent.ToolCall{ID: "mcp-1", Name: "browser_plugin_open", Arguments: `{}`})
-	if len(start.Meta) != 0 {
-		t.Fatalf("MCP-like tool received built-in browser metadata: %#v", start.Meta)
-	}
-	encoded, err := json.Marshal(start)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if strings.Contains(string(encoded), `"browser"`) {
-		t.Fatalf("non-browser tool encoded browser field: %s", encoded)
-	}
-}
-
 func TestToolCallStart(t *testing.T) {
 	upd := toolCallStart(agent.ToolCall{ID: "tc1", Name: "read_file", Arguments: `{"path":"a.go"}`})
 	if upd.SessionUpdate != UpdateToolCall {
@@ -307,26 +74,21 @@ func TestToolCallStart(t *testing.T) {
 }

 func TestToolCallResult(t *testing.T) {
-	path := filepath.Join(t.TempDir(), "a.go")
 	ok := toolCallResult(agent.ToolResult{
 		ToolCallID:   "tc1",
 		Name:         "edit_file",
 		Status:       tools.StatusOK,
 		Output:       "applied\n",
 		ChangedFiles: []string{"a.go", ""},
-		FileDiffs:    []tools.FileDiff{{Path: path, OldExists: true, NewExists: true, OldText: "before\n", NewText: "after\n"}},
 	})
 	if ok.SessionUpdate != UpdateToolCallUpdate || ok.Status != ToolStatusCompleted {
 		t.Fatalf("unexpected ok result: %+v", ok)
 	}
-	if len(ok.Content) != 2 || ok.Content[0].Type != "content" || ok.Content[0].Content.Text != "applied" {
+	if len(ok.Content) != 1 || ok.Content[0].Type != "content" || ok.Content[0].Content.Text != "applied" {
 		t.Fatalf("unexpected content: %+v", ok.Content)
 	}
-	if diff := ok.Content[1]; diff.Type != "diff" || diff.Path != path || diff.OldText == nil || *diff.OldText != "before\n" || diff.NewText == nil || *diff.NewText != "after\n" {
-		t.Fatalf("unexpected diff content: %+v", diff)
-	}
-	if len(ok.Locations) != 2 || ok.Locations[0].Path != path || ok.Locations[1].Path != "a.go" {
-		t.Fatalf("unproven absolute/relative aliases must both remain visible, got %+v", ok.Locations)
+	if len(ok.Locations) != 1 || ok.Locations[0].Path != "a.go" {
+		t.Fatalf("blank changed files should be dropped, got %+v", ok.Locations)
 	}

 	failed := toolCallResult(agent.ToolResult{ToolCallID: "tc2", Status: tools.StatusError, Output: "boom"})
@@ -335,190 +97,6 @@ func TestToolCallResult(t *testing.T) {
 	}
 }

-func TestToolCallDiffJSONDistinguishesEmptyFilesAndDeletion(t *testing.T) {
-	path := filepath.Join(t.TempDir(), "empty.txt")
-	content := appendToolResultDiffs(nil, []tools.FileDiff{
-		{Path: path, OldExists: false, NewExists: true, NewText: ""},
-		{Path: path, OldExists: true, NewExists: true, OldText: "before", NewText: ""},
-		{Path: path, OldExists: true, NewExists: false, OldText: "before"},
-	})
-	if len(content) != 3 {
-		t.Fatalf("diff content = %#v", content)
-	}
-	for index, diff := range content {
-		encoded, err := json.Marshal(diff)
-		if err != nil {
-			t.Fatal(err)
-		}
-		var wire map[string]any
-		if err := json.Unmarshal(encoded, &wire); err != nil {
-			t.Fatal(err)
-		}
-		if wire["path"] != path {
-			t.Fatalf("wire diff %d = %s", index, encoded)
-		}
-		switch index {
-		case 0:
-			oldText, present := wire["oldText"]
-			if !present || oldText != nil || wire["newText"] != "" {
-				t.Fatalf("create diff = %s, want null oldText and empty newText", encoded)
-			}
-		case 1:
-			if wire["oldText"] != "before" || wire["newText"] != "" {
-				t.Fatalf("empty replacement diff = %s", encoded)
-			}
-		case 2:
-			newText, present := wire["newText"]
-			if wire["oldText"] != "before" || !present || newText != nil {
-				t.Fatalf("deletion diff = %s, want oldText and null newText", encoded)
-			}
-		}
-	}
-}
-
-func TestToolResultLocationsPreserveDistinctPathIdentities(t *testing.T) {
-	root := t.TempDir()
-	rootPath := filepath.Join(root, "a.go")
-	nestedPath := filepath.Join(root, "sub", "a.go")
-	diff := func(path string) tools.FileDiff {
-		return tools.FileDiff{Path: path, OldExists: true, NewExists: true, OldText: "before", NewText: "after"}
-	}
-	for _, tc := range []struct {
-		name  string
-		diffs []tools.FileDiff
-		want  []string
-	}{
-		{name: "both rich", diffs: []tools.FileDiff{diff(rootPath), diff(nestedPath)}, want: []string{rootPath, nestedPath, "a.go", filepath.Join("sub", "a.go")}},
-		{name: "root rich", diffs: []tools.FileDiff{diff(rootPath)}, want: []string{rootPath, "a.go", filepath.Join("sub", "a.go")}},
-		{name: "nested rich", diffs: []tools.FileDiff{diff(nestedPath)}, want: []string{nestedPath, "a.go", filepath.Join("sub", "a.go")}},
-	} {
-		t.Run(tc.name, func(t *testing.T) {
-			locations := toolResultLocations(agent.ToolResult{
-				ChangedFiles: []string{"a.go", filepath.Join("sub", "a.go")},
-				FileDiffs:    tc.diffs,
-			})
-			if len(locations) != len(tc.want) {
-				t.Fatalf("locations = %#v, want %#v", locations, tc.want)
-			}
-			for index := range tc.want {
-				if locations[index].Path != tc.want[index] {
-					t.Fatalf("locations = %#v, want %#v", locations, tc.want)
-				}
-			}
-		})
-	}
-}
-
-func TestToolCallResultPreservesWhitespaceInFilePaths(t *testing.T) {
-	relativePath := " report.txt "
-	absolutePath := filepath.Join(t.TempDir(), relativePath)
-	update := toolCallResult(agent.ToolResult{
-		ChangedFiles: []string{relativePath},
-		FileDiffs: []tools.FileDiff{{
-			Path: absolutePath, OldExists: true, NewExists: true, OldText: "before", NewText: "after",
-		}},
-	})
-	if len(update.Content) != 1 || update.Content[0].Path != absolutePath {
-		t.Fatalf("diff content path = %#v, want %q", update.Content, absolutePath)
-	}
-	if len(update.Locations) != 2 || update.Locations[0].Path != absolutePath || update.Locations[1].Path != relativePath {
-		t.Fatalf("locations = %#v, want exact paths %q and %q", update.Locations, absolutePath, relativePath)
-	}
-}
-
-func TestToolResultLocationsDeduplicateOnlyExactPaths(t *testing.T) {
-	path := filepath.Join(t.TempDir(), "a.go")
-	locations := toolResultLocations(agent.ToolResult{
-		ChangedFiles: []string{path, path},
-		FileDiffs:    []tools.FileDiff{{Path: path, OldExists: true, NewExists: true, OldText: "before", NewText: "after"}},
-	})
-	if len(locations) != 1 || locations[0].Path != path {
-		t.Fatalf("exact duplicate locations = %#v", locations)
-	}
-}
-
-func TestDeletedFileEmitsDiffAndKeepsLocations(t *testing.T) {
-	relativePath := "deleted.go"
-	absolutePath := filepath.Join(t.TempDir(), relativePath)
-	update := toolCallResult(agent.ToolResult{
-		ChangedFiles: []string{relativePath},
-		FileDiffs: []tools.FileDiff{{
-			Path: absolutePath, OldExists: true, NewExists: false, OldText: "before",
-		}},
-	})
-	if len(update.Content) != 1 || update.Content[0].OldText == nil || *update.Content[0].OldText != "before" || update.Content[0].NewText != nil {
-		t.Fatalf("deleted file diff = %#v, want oldText with null newText", update.Content)
-	}
-	if len(update.Locations) != 2 || update.Locations[0].Path != absolutePath || update.Locations[1].Path != relativePath {
-		t.Fatalf("deleted file locations = %#v", update.Locations)
-	}
-}
-
-func TestToolCallResultEmitsOnlyRedactedFileDiffs(t *testing.T) {
-	secret := "sk-proj-abcdefghijklmnopqrstuvwxyz"
-	path := filepath.Join(t.TempDir(), "secret.txt")
-	scrubbed := tools.ScrubResultSecrets(tools.Result{FileDiffs: []tools.FileDiff{{
-		Path: path, OldExists: true, NewExists: true, OldText: "token=" + secret, NewText: "safe",
-	}}})
-	update := toolCallResult(agent.ToolResult{ToolCallID: "call", Status: tools.StatusError, FileDiffs: scrubbed.FileDiffs})
-	if len(update.Content) != 1 || update.Content[0].OldText == nil || strings.Contains(*update.Content[0].OldText, secret) {
-		t.Fatalf("ACP content leaked unredacted diff: %#v", update.Content)
-	}
-}
-
-func TestToolCallResultOmitsSemanticallyUnchangedRedactedDiff(t *testing.T) {
-	oldSecret := "ghp_ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
-	newSecret := "ghp_9876543210ZYXWVUTSRQPONMLKJIHGFEDCBA"
-	scrubbed := tools.ScrubResultSecrets(tools.Result{
-		ChangedFiles: []string{"credentials.txt"},
-		FileDiffs: []tools.FileDiff{{
-			Path: filepath.Join(t.TempDir(), "credentials.txt"), OldExists: true, NewExists: true,
-			OldText: "token=" + oldSecret, NewText: "token=" + newSecret,
-		}},
-	})
-	update := toolCallResult(agent.ToolResult{
-		ToolCallID: "call", Status: tools.StatusOK,
-		ChangedFiles: scrubbed.ChangedFiles, FileDiffs: scrubbed.FileDiffs,
-	})
-	if len(update.Content) != 0 {
-		t.Fatalf("ACP emitted semantically unchanged redacted diff: %#v", update.Content)
-	}
-	if len(update.Locations) != 1 || update.Locations[0].Path != "credentials.txt" {
-		t.Fatalf("ACP path fallback = %#v", update.Locations)
-	}
-}
-
-func TestToolCallResultOmitsDefaultIgnorableSplitSecretsOnEitherSide(t *testing.T) {
-	secret := "sk-ant-api03-AAAABBBBCCCCDDDDEEEEFFFFGGGG"
-	for name, separator := range map[string]string{
-		"combining grapheme joiner": "\u034f",
-		"variation selector":        "\ufe0f",
-	} {
-		for _, side := range []string{"old", "new"} {
-			t.Run(name+" "+side, func(t *testing.T) {
-				obfuscated := secret[:20] + separator + secret[20:]
-				diff := tools.FileDiff{
-					Path: filepath.Join(t.TempDir(), "secret.txt"), OldExists: true, NewExists: true,
-					OldText: "safe old", NewText: "safe new",
-				}
-				if side == "old" {
-					diff.OldText = obfuscated
-				} else {
-					diff.NewText = obfuscated
-				}
-				scrubbed := tools.ScrubResultSecrets(tools.Result{FileDiffs: []tools.FileDiff{diff}})
-				if !scrubbed.Redacted || len(scrubbed.FileDiffs) != 0 {
-					t.Fatalf("registry boundary retained an obfuscated secret: %#v", scrubbed)
-				}
-				update := toolCallResult(agent.ToolResult{ToolCallID: "call", Status: tools.StatusOK, FileDiffs: scrubbed.FileDiffs})
-				if len(update.Content) != 0 {
-					t.Fatalf("ACP content retained an obfuscated secret: %#v", update.Content)
-				}
-			})
-		}
-	}
-}
-
 func TestPlanUpdateAndStatus(t *testing.T) {
 	upd := planUpdate([]tools.PlanItem{
 		{Content: "step a", Status: "completed"},
@@ -12,8 +12,6 @@ const (
 	MethodAuthenticate           = "authenticate"
 	MethodSessionNew             = "session/new"
 	MethodSessionLoad            = "session/load"
-	MethodSessionList            = "session/list"
-	MethodSessionResume          = "session/resume"
 	MethodSessionPrompt          = "session/prompt"
 	MethodSessionCancel          = "session/cancel" // notification
 	MethodSessionUpdate          = "session/update" // notification (agent -> client)
@@ -64,16 +62,8 @@ type PromptCapabilities struct {
 }

 type AgentCapabilities struct {
-	LoadSession         bool                 `json:"loadSession"`
-	PromptCapabilities  PromptCapabilities   `json:"promptCapabilities"`
-	SessionCapabilities *SessionCapabilities `json:"sessionCapabilities,omitempty"`
-}
-
-// Empty capability objects are presence flags in ACP v1. Pointers preserve
-// the wire distinction between an advertised `{}` and an omitted capability.
-type SessionCapabilities struct {
-	List   *struct{} `json:"list,omitempty"`
-	Resume *struct{} `json:"resume,omitempty"`
+	LoadSession        bool               `json:"loadSession"`
+	PromptCapabilities PromptCapabilities `json:"promptCapabilities"`
 }

 type AuthMethod struct {
@@ -127,14 +117,9 @@ type McpServer struct {
 }

 type NewSessionParams struct {
-	Cwd        string      `json:"cwd"`
-	McpServers []McpServer `json:"mcpServers"`
-	// AdditionalDirectories is declared by the protocol and consumed nowhere in
-	// this repo yet. When it is wired up it must go through requestedWorkspace
-	// like Cwd does: these are client-supplied paths with no absoluteness rule of
-	// their own, which is the same shape as the resume-cwd hole that made
-	// {"sessionId":"known"} activate a session against this process's directory.
-	AdditionalDirectories []string `json:"additionalDirectories,omitempty"`
+	Cwd                   string      `json:"cwd"`
+	McpServers            []McpServer `json:"mcpServers"`
+	AdditionalDirectories []string    `json:"additionalDirectories,omitempty"`
 }

 type NewSessionResult struct {
@@ -155,39 +140,6 @@ type LoadSessionResult struct {
 	Modes         *SessionModeState     `json:"modes,omitempty"`
 }

-// ListSessionsParams and the following types implement ACP v1 session/list.
-// Transcript contents stay behind session/load; this method returns metadata
-// only and leaves the optional pagination cursor opaque.
-type ListSessionsParams struct {
-	Cwd    string `json:"cwd,omitempty"`
-	Cursor string `json:"cursor,omitempty"`
-}
-
-type SessionInfoMeta struct {
-	ModelID   string `json:"modelId,omitempty"`
-	CreatedAt string `json:"createdAt,omitempty"`
-}
-
-type SessionInfo struct {
-	SessionID string           `json:"sessionId"`
-	Cwd       string           `json:"cwd"`
-	Title     string           `json:"title,omitempty"`
-	UpdatedAt string           `json:"updatedAt,omitempty"`
-	Meta      *SessionInfoMeta `json:"_meta,omitempty"`
-}
-
-type ListSessionsResult struct {
-	Sessions   []SessionInfo `json:"sessions"`
-	NextCursor string        `json:"nextCursor,omitempty"`
-}
-
-// session/resume takes session/load's wire shape, so its cwd is a plain string
-// too and an omitted one decodes exactly like an empty one. Sharing the type is
-// safe only because activatePersistedSession requires an absolute cwd from the
-// request itself — nothing downstream may supply a default for either method.
-type ResumeSessionParams = LoadSessionParams
-type ResumeSessionResult = LoadSessionResult
-
 // ---- prompt turn ----

 type PromptParams struct {
@@ -222,7 +174,6 @@ type SessionNotification struct {
 // ContentBlock under "content"; the variant is set via SessionUpdate.
 type ContentChunk struct {
 	SessionUpdate string       `json:"sessionUpdate"`
-	MessageID     string       `json:"messageId,omitempty"`
 	Content       ContentBlock `json:"content"`
 }

@@ -259,21 +210,6 @@ type ToolCallUpdate struct {
 	RawInput      json.RawMessage    `json:"rawInput,omitempty"`
 	Content       []ToolCallContent  `json:"content,omitempty"`
 	Locations     []ToolCallLocation `json:"locations,omitempty"`
-	// Meta is ACP's extension channel. ZERO-owned values must remain beneath a
-	// namespaced key so protocol-shaped clients can preserve them while decoding
-	// and re-encoding a tool call.
-	Meta map[string]json.RawMessage `json:"_meta,omitempty"`
-}
-
-// BrowserToolDetails identifies the browser helper operation behind a tool
-// call. Version is the schema version for this optional ZERO extension;
-// Command is one of install, launch, connect, open, snapshot, click, type,
-// press, or action. Future fields must remain display-safe and must not
-// include browser profile data, cookies, typed text, URL paths/queries, or
-// DevTools endpoints.
-type BrowserToolDetails struct {
-	Version int    `json:"version"`
-	Command string `json:"command"`
 }

 // ToolCallContent is a tool call's rendered output. ZERO emits "content" (a
@@ -284,30 +220,9 @@ type ToolCallContent struct {
 	// type == "content"
 	Content *ContentBlock `json:"content,omitempty"`
 	// type == "diff"
-	Path    string  `json:"path,omitempty"`
-	OldText *string `json:"oldText,omitempty"`
-	NewText *string `json:"newText,omitempty"`
-}
-
-// MarshalJSON preserves ACP's discriminated content union. A diff always has
-// path, while nullable oldText/newText distinguish creation, deletion, and an
-// existing file replaced with empty content. Other content variants omit all
-// diff fields rather than serializing irrelevant nulls.
-func (content ToolCallContent) MarshalJSON() ([]byte, error) {
-	if content.Type == "diff" {
-		return json.Marshal(struct {
-			Type    string  `json:"type"`
-			Path    string  `json:"path"`
-			OldText *string `json:"oldText"`
-			NewText *string `json:"newText"`
-		}{
-			Type: content.Type, Path: content.Path, OldText: content.OldText, NewText: content.NewText,
-		})
-	}
-	return json.Marshal(struct {
-		Type    string        `json:"type"`
-		Content *ContentBlock `json:"content,omitempty"`
-	}{Type: content.Type, Content: content.Content})
+	Path    string `json:"path,omitempty"`
+	OldText string `json:"oldText,omitempty"`
+	NewText string `json:"newText,omitempty"`
 }

 func ToolContent(block ContentBlock) ToolCallContent {
@@ -1,309 +0,0 @@
-package acp
-
-import (
-	"context"
-	"encoding/json"
-	"errors"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/Twigpine/zero/internal/agent"
-	"github.com/Twigpine/zero/internal/sessions"
-	"github.com/Twigpine/zero/internal/zeroruntime"
-)
-
-// `zero exec` persists every provider usage report as a session usage event, so
-// `zero usage report --session <id>` can total a run. The ACP agent did not set
-// OnUsage, which dropped the token counts of every ACP session. A turn with two
-// provider requests (a tool round trip) must leave two usage events, in the shape
-// the usage report reads, next to the turn's messages.
-func TestACPPromptPersistsProviderUsage(t *testing.T) {
-	deps := testDeps(t)
-	deps.RunAgent = func(_ context.Context, _ string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-		if opts.OnUsage == nil {
-			t.Errorf("agent.Options.OnUsage is not wired: the ACP agent drops provider token usage")
-			return agent.Result{FinalAnswer: "done"}, nil
-		}
-		opts.OnUsage(agent.Usage{InputTokens: 1200, OutputTokens: 34})
-		opts.OnUsage(agent.Usage{InputTokens: 1300, OutputTokens: 21, CachedInputTokens: 900})
-		return agent.Result{FinalAnswer: "done"}, nil
-	}
-
-	h := newHarness(t, deps)
-	defer h.stop()
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var created NewSessionResult
-	if err := h.client.Call(ctx, MethodSessionNew, NewSessionParams{Cwd: t.TempDir()}, &created); err != nil {
-		t.Fatal(err)
-	}
-	var result PromptResult
-	if err := h.client.Call(ctx, MethodSessionPrompt, PromptParams{
-		SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("count my tokens")},
-	}, &result); err != nil {
-		t.Fatalf("session/prompt: %v", err)
-	}
-
-	events, err := deps.Store.ReadEvents(created.SessionID)
-	if err != nil {
-		t.Fatal(err)
-	}
-	type usagePayload struct {
-		PromptTokens      int `json:"promptTokens"`
-		CompletionTokens  int `json:"completionTokens"`
-		TotalTokens       int `json:"totalTokens"`
-		CachedInputTokens int `json:"cachedInputTokens"`
-	}
-	var got []usagePayload
-	messages := 0
-	for _, event := range events {
-		switch event.Type {
-		case sessions.EventUsage:
-			var payload usagePayload
-			if err := json.Unmarshal(event.Payload, &payload); err != nil {
-				t.Fatalf("usage payload %s: %v", event.Payload, err)
-			}
-			assertUsagePayloadIsTokenCountsOnly(t, event.Payload)
-			got = append(got, payload)
-		case sessions.EventMessage:
-			messages++
-		}
-	}
-	want := []usagePayload{
-		{PromptTokens: 1200, CompletionTokens: 34, TotalTokens: 1234},
-		{PromptTokens: 1300, CompletionTokens: 21, TotalTokens: 1321, CachedInputTokens: 900},
-	}
-	if len(got) != len(want) {
-		t.Fatalf("usage events = %+v, want %+v", got, want)
-	}
-	for i := range want {
-		if got[i] != want[i] {
-			t.Fatalf("usage event %d = %+v, want %+v", i, got[i], want[i])
-		}
-	}
-	if messages != 2 {
-		t.Fatalf("message events = %d, want the user and assistant messages of the turn", messages)
-	}
-}
-
-// Usage joins the turn's buffered batch, so a hard run failure that aborts the
-// turn leaves nothing durable, exactly as it does for the turn's messages.
-func TestACPHardTurnFailureDropsItsUsageWithTheTurn(t *testing.T) {
-	deps := testDeps(t)
-	deps.RunAgent = func(_ context.Context, _ string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-		if opts.OnUsage == nil {
-			t.Errorf("agent.Options.OnUsage is not wired: the ACP agent drops provider token usage")
-			return agent.Result{}, errors.New("injected hard run failure")
-		}
-		opts.OnUsage(agent.Usage{InputTokens: 500, OutputTokens: 5})
-		return agent.Result{}, errors.New("injected hard run failure")
-	}
-
-	h := newHarness(t, deps)
-	defer h.stop()
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var created NewSessionResult
-	if err := h.client.Call(ctx, MethodSessionNew, NewSessionParams{Cwd: t.TempDir()}, &created); err != nil {
-		t.Fatal(err)
-	}
-	if err := h.client.Call(ctx, MethodSessionPrompt, PromptParams{
-		SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("failing turn")},
-	}, &PromptResult{}); err == nil {
-		t.Fatal("hard RunAgent failure was reported as a successful turn")
-	}
-	events, err := deps.Store.ReadEvents(created.SessionID)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(events) != 0 {
-		t.Fatalf("aborted turn left durable events: %+v", events)
-	}
-}
-
-// StopCancelled is a successful ACP outcome: the turn commits. Tokens the
-// provider already reported were spent, so they stay in the session log even
-// though the client cancelled. A hard error (the test above) is the path that
-// drops them.
-func TestACPCancelledTurnKeepsReportedUsage(t *testing.T) {
-	deps := testDeps(t)
-	deps.RunAgent = func(_ context.Context, _ string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-		if opts.OnUsage == nil {
-			t.Errorf("agent.Options.OnUsage is not wired: the ACP agent drops provider token usage")
-			return agent.Result{}, context.Canceled
-		}
-		opts.OnUsage(agent.Usage{InputTokens: 80, OutputTokens: 3})
-		return agent.Result{FinalAnswer: "partial"}, context.Canceled
-	}
-
-	h := newHarness(t, deps)
-	defer h.stop()
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var created NewSessionResult
-	if err := h.client.Call(ctx, MethodSessionNew, NewSessionParams{Cwd: t.TempDir()}, &created); err != nil {
-		t.Fatal(err)
-	}
-	var result PromptResult
-	if err := h.client.Call(ctx, MethodSessionPrompt, PromptParams{
-		SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("cancelled turn")},
-	}, &result); err != nil {
-		t.Fatalf("cancelled turn returned an RPC error: %v", err)
-	}
-	if result.StopReason != StopCancelled {
-		t.Fatalf("stop reason = %q, want %q", result.StopReason, StopCancelled)
-	}
-	events, err := deps.Store.ReadEvents(created.SessionID)
-	if err != nil {
-		t.Fatal(err)
-	}
-	usageEvents := 0
-	for _, event := range events {
-		if event.Type != sessions.EventUsage {
-			continue
-		}
-		usageEvents++
-		assertUsagePayloadIsTokenCountsOnly(t, event.Payload)
-		var payload struct {
-			PromptTokens     int `json:"promptTokens"`
-			CompletionTokens int `json:"completionTokens"`
-			TotalTokens      int `json:"totalTokens"`
-		}
-		if err := json.Unmarshal(event.Payload, &payload); err != nil {
-			t.Fatal(err)
-		}
-		if payload.PromptTokens != 80 || payload.CompletionTokens != 3 || payload.TotalTokens != 83 {
-			t.Fatalf("cancelled-turn usage = %+v, want 80/3/83", payload)
-		}
-	}
-	if usageEvents != 1 {
-		t.Fatalf("usage events = %d, want the one report from the cancelled turn", usageEvents)
-	}
-}
-
-// Usage events sit in the same log session/load and session/resume read, but
-// history reconstruction skips them. The wire replay stays the conversation,
-// and the next turn's prompt stays the conversation: token counts never become
-// context and never cross the ACP wire.
-func TestACPLoadAndResumeIgnoreUsageEvents(t *testing.T) {
-	const userLine = "unique-acp-user-line"
-	const answer = "unique-acp-answer"
-	deps := testDeps(t)
-	deps.RunAgent = func(_ context.Context, _ string, _ zeroruntime.Provider, opts agent.Options) (agent.Result, error) {
-		if opts.OnUsage == nil {
-			t.Errorf("agent.Options.OnUsage is not wired: the ACP agent drops provider token usage")
-			return agent.Result{FinalAnswer: answer}, nil
-		}
-		opts.OnUsage(agent.Usage{InputTokens: 1200, OutputTokens: 34})
-		return agent.Result{FinalAnswer: answer}, nil
-	}
-
-	workspace := t.TempDir()
-	h := newHarness(t, deps)
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var created NewSessionResult
-	if err := h.client.Call(ctx, MethodSessionNew, NewSessionParams{Cwd: workspace}, &created); err != nil {
-		t.Fatal(err)
-	}
-	if err := h.client.Call(ctx, MethodSessionPrompt, PromptParams{
-		SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock(userLine)},
-	}, &PromptResult{}); err != nil {
-		t.Fatalf("session/prompt: %v", err)
-	}
-	h.stop()
-
-	events, err := deps.Store.ReadEvents(created.SessionID)
-	if err != nil {
-		t.Fatal(err)
-	}
-	sawUsage := false
-	for _, event := range events {
-		if event.Type == sessions.EventUsage {
-			sawUsage = true
-			assertUsagePayloadIsTokenCountsOnly(t, event.Payload)
-		}
-	}
-	if !sawUsage {
-		t.Fatal("session log has no usage event to ignore")
-	}
-
-	loader := newHarness(t, deps)
-	if err := loader.client.Call(ctx, MethodSessionLoad, LoadSessionParams{
-		SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{},
-	}, &LoadSessionResult{}); err != nil {
-		t.Fatalf("session/load: %v", err)
-	}
-	var replayed []string
-	for {
-		select {
-		case update := <-loader.notifications:
-			replayed = append(replayed, update.Content.Text)
-		case <-time.After(150 * time.Millisecond):
-			goto drained
-		}
-	}
-drained:
-	loader.stop()
-	if len(replayed) != 2 || replayed[0] != userLine || replayed[1] != answer {
-		t.Fatalf("session/load replay = %#v, want the user line and the answer only", replayed)
-	}
-	for _, text := range replayed {
-		if strings.Contains(text, "promptTokens") || strings.Contains(text, "1200") {
-			t.Fatalf("session/load replayed usage onto the wire: %q", text)
-		}
-	}
-
-	var gotPrompt string
-	deps.RunAgent = func(_ context.Context, prompt string, _ zeroruntime.Provider, _ agent.Options) (agent.Result, error) {
-		gotPrompt = prompt
-		return agent.Result{FinalAnswer: "continued"}, nil
-	}
-	resumer := newHarness(t, deps)
-	defer resumer.stop()
-	if err := resumer.client.Call(ctx, MethodSessionResume, ResumeSessionParams{
-		SessionID: created.SessionID, Cwd: workspace, McpServers: []McpServer{},
-	}, &ResumeSessionResult{}); err != nil {
-		t.Fatalf("session/resume: %v", err)
-	}
-	if err := resumer.client.Call(ctx, MethodSessionPrompt, PromptParams{
-		SessionID: created.SessionID, Prompt: []ContentBlock{TextBlock("carry on")},
-	}, &PromptResult{}); err != nil {
-		t.Fatalf("resumed session/prompt: %v", err)
-	}
-	if !strings.Contains(gotPrompt, userLine) || !strings.Contains(gotPrompt, answer) {
-		t.Fatalf("resumed prompt = %q, want the prior conversation", gotPrompt)
-	}
-	if strings.Contains(gotPrompt, "promptTokens") || strings.Contains(gotPrompt, "1200") {
-		t.Fatalf("resumed prompt contains persisted usage: %q", gotPrompt)
-	}
-}
-
-// usagePayloadAllowedKeys is the non-escalating EventUsagePayload shape. ACP
-// has no model escalation, and the writer must not grow a prompt, tool
-// argument, or other raw field.
-var usagePayloadAllowedKeys = map[string]bool{
-	"promptTokens":      true,
-	"completionTokens":  true,
-	"totalTokens":       true,
-	"cachedInputTokens": true,
-	"cacheWriteTokens":  true,
-	"reasoningTokens":   true,
-}
-
-func assertUsagePayloadIsTokenCountsOnly(t *testing.T, payload json.RawMessage) {
-	t.Helper()
-	var raw map[string]json.RawMessage
-	if err := json.Unmarshal(payload, &raw); err != nil {
-		t.Fatalf("usage payload %s: %v", payload, err)
-	}
-	if len(raw) == 0 {
-		t.Fatalf("usage payload is empty: %s", payload)
-	}
-	for key := range raw {
-		if !usagePayloadAllowedKeys[key] {
-			t.Fatalf("usage payload key %q is not a token count: %s", key, payload)
-		}
-	}
-}
@@ -5,8 +5,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func enabledSelfCorrector(t *testing.T) *SelfCorrector {
@@ -5,8 +5,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 type normalizationRecordingShellTool struct {
@@ -6,8 +6,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // providerCallingAskUserThenAnswer returns a mock provider whose first turn calls
@@ -8,9 +8,8 @@ import (
 	"testing"
 	"time"

-	"github.com/Twigpine/zero/internal/testutil"
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestAsyncDiagnosticsNilCollectorNoOps(t *testing.T) {
@@ -112,11 +111,7 @@ func TestAsyncDiagnosticsReEditReplacesResult(t *testing.T) {
 	diagnostics := newAsyncDiagnostics(check, "/ws")

 	diagnostics.enqueue(context.Background(), []string{"a.go"})
-	testutil.WaitFor(t, "worker idle", func() bool {
-		diagnostics.mu.Lock()
-		defer diagnostics.mu.Unlock()
-		return diagnostics.working == nil
-	})
+	waitForIdle(t, diagnostics)
 	mu.Lock()
 	response = "ERR new"
 	mu.Unlock()
@@ -128,6 +123,23 @@ func TestAsyncDiagnosticsReEditReplacesResult(t *testing.T) {
 	}
 }

+func waitForIdle(t *testing.T, diagnostics *asyncDiagnostics) {
+	t.Helper()
+	deadline := time.Now().Add(2 * time.Second)
+	for {
+		diagnostics.mu.Lock()
+		busy := diagnostics.working
+		diagnostics.mu.Unlock()
+		if busy == nil {
+			return
+		}
+		if time.Now().After(deadline) {
+			t.Fatal("worker never went idle")
+		}
+		time.Sleep(2 * time.Millisecond)
+	}
+}
+
 // changedFilesTool is a fake mutating tool reporting a changed file without
 // touching the filesystem.
 type changedFilesTool struct{}
@@ -5,8 +5,8 @@ import (
 	"runtime"
 	"strings"

-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/tools"
 	"mvdan.cc/sh/v3/syntax"
 )

@@ -4,8 +4,8 @@ import (
 	"runtime"
 	"testing"

-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 func TestProposedCommandPrefixUsesSafeSimpleCommands(t *testing.T) {
@@ -8,8 +8,8 @@ import (
 	"strings"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/trace"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // Session compaction.
@@ -146,17 +146,11 @@ func estimateToolDefTokens(tools []zeroruntime.ToolDefinition) int {
 	for _, tool := range tools {
 		total += ApproxTextTokens(tool.Name)
 		total += ApproxTextTokens(tool.Description)
-		total += ApproxTextTokens(string(tool.Type))
 		if len(tool.Parameters) > 0 {
 			if encoded, err := json.Marshal(tool.Parameters); err == nil {
 				total += ApproxTextTokens(string(encoded))
 			}
 		}
-		if tool.Format != nil {
-			total += ApproxTextTokens(tool.Format.Type)
-			total += ApproxTextTokens(tool.Format.Syntax)
-			total += ApproxTextTokens(tool.Format.Definition)
-		}
 		total += 4 // per-tool overhead
 	}
 	return total
@@ -6,8 +6,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // compactableHistory returns a history whose middle is large enough to trip
@@ -6,7 +6,7 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestCompactMessagesReturnsMetadataForManualCompaction(t *testing.T) {
@@ -5,7 +5,7 @@ import (
 	"strings"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // Compaction preservation.
@@ -6,8 +6,8 @@ import (
 	"testing"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // stateConversation is a long enough conversation that Compact elides a middle
@@ -6,7 +6,7 @@ import (
 	"regexp"
 	"strings"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 const (
@@ -126,11 +126,8 @@ func capCompactionBrief(brief string) (string, bool) {

 func compactionToolCallLine(call zeroruntime.ToolCall) string {
 	detail := ""
-	if call.Freeform && call.Name == "apply_patch" {
-		detail = strings.Join(patchPaths(call.Arguments), ", ")
-	}
 	var arguments map[string]any
-	if detail == "" && json.Unmarshal([]byte(strings.TrimSpace(call.Arguments)), &arguments) == nil {
+	if json.Unmarshal([]byte(strings.TrimSpace(call.Arguments)), &arguments) == nil {
 		for _, key := range []string{"file_path", "path", "url", "query", "pattern", "prompt", "description", "question"} {
 			if value, ok := arguments[key].(string); ok && strings.TrimSpace(value) != "" {
 				detail = value
@@ -5,7 +5,7 @@ import (
 	"testing"
 	"unicode/utf8"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestClipBytesHandlesTinyLimitsOnRuneBoundaries(t *testing.T) {
@@ -73,7 +73,6 @@ func TestProjectCompactionInputRetainsAskUserExchangeAndSemanticArguments(t *tes
 		{Role: zeroruntime.MessageRoleTool, ToolCallID: "ask", Content: "Which database should remain?: Postgres only; do not touch MySQL."},
 		{Role: zeroruntime.MessageRoleAssistant, ToolCalls: []zeroruntime.ToolCall{
 			{ID: "patch", Name: "apply_patch", Arguments: `{"patch":"*** Begin Patch\n*** Update File: internal/db.go\n*** End Patch"}`},
-			{ID: "raw-patch", Name: "apply_patch", Freeform: true, Arguments: "*** Begin Patch\n*** Update File: internal/api.go\n*** Add File: internal/config.go\n*** End Patch\n"},
 			{ID: "fetch", Name: "web_fetch", Arguments: `{"url":"https://example.com/spec"}`},
 			{ID: "task", Name: "task", Arguments: `{"prompt":"Inspect the Windows implementation"}`},
 		}},
@@ -81,7 +80,7 @@ func TestProjectCompactionInputRetainsAskUserExchangeAndSemanticArguments(t *tes
 	}

 	content := projectCompactionInput(messages).messages[0].Content
-	for _, want := range []string{"Which database should remain?", "Postgres only; do not touch MySQL", "internal/db.go", "internal/api.go", "internal/config.go", "https://example.com/spec", "Inspect the Windows implementation"} {
+	for _, want := range []string{"Which database should remain?", "Postgres only; do not touch MySQL", "internal/db.go", "https://example.com/spec", "Inspect the Windows implementation"} {
 		if !strings.Contains(content, want) {
 			t.Fatalf("projection missing %q: %q", want, content)
 		}
@@ -5,7 +5,7 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // recentEdits extracts each mutated file's path and a one-line note from the
@@ -8,7 +8,7 @@ import (
 	"sync/atomic"
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 var markerPattern = regexp.MustCompile(`msg-\d+`)
@@ -6,9 +6,9 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/trace"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // --- Pure Compact() tests -------------------------------------------------
@@ -275,27 +275,6 @@ func TestEstimateToolDefTokensCountsDefinitions(t *testing.T) {
 	if estimateToolDefTokens(one) <= 0 {
 		t.Fatal("a tool definition (name + description + schema) should estimate > 0 tokens")
 	}
-	typed := append([]zeroruntime.ToolDefinition(nil), one...)
-	typed[0].Type = zeroruntime.ToolDefinitionFreeform
-	if estimateToolDefTokens(typed) <= estimateToolDefTokens(one) {
-		t.Fatal("a non-empty tool type must increase the estimated request cost")
-	}
-	for _, test := range []struct {
-		name   string
-		format zeroruntime.ToolDefinitionFormat
-	}{
-		{name: "type", format: zeroruntime.ToolDefinitionFormat{Type: "grammar"}},
-		{name: "syntax", format: zeroruntime.ToolDefinitionFormat{Syntax: "lark"}},
-		{name: "definition", format: zeroruntime.ToolDefinitionFormat{Definition: "start: WORD"}},
-	} {
-		t.Run("format "+test.name, func(t *testing.T) {
-			formatted := append([]zeroruntime.ToolDefinition(nil), one...)
-			formatted[0].Format = &test.format
-			if estimateToolDefTokens(formatted) <= estimateToolDefTokens(one) {
-				t.Fatalf("a non-empty format %s must increase the estimated request cost", test.name)
-			}
-		})
-	}
 	two := append(append([]zeroruntime.ToolDefinition{}, one...), zeroruntime.ToolDefinition{
 		Name:        "write_file",
 		Description: "Write contents to a file in the workspace.",
@@ -5,8 +5,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // someRequestContains reports whether any message sent to the provider across all
@@ -3,7 +3,7 @@ package agent
 import (
 	"encoding/json"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // Context budget.
@@ -3,7 +3,7 @@ package agent
 import (
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestMeasureContextSplitsByCategory(t *testing.T) {
@@ -3,7 +3,7 @@ package agent
 import (
 	"strings"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 type contextPlannerConfig struct {
@@ -102,10 +102,6 @@ func copyToolDefinitions(toolDefs []zeroruntime.ToolDefinition) []zeroruntime.To
 	for index, definition := range toolDefs {
 		copied[index] = definition
 		copied[index].Parameters = copySchemaMap(definition.Parameters)
-		if definition.Format != nil {
-			format := *definition.Format
-			copied[index].Format = &format
-		}
 	}
 	return copied
 }
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestContextPlannerPreservesProviderRequest(t *testing.T) {
@@ -15,7 +15,6 @@ func TestContextPlannerPreservesProviderRequest(t *testing.T) {
 	}
 	toolDefs := []zeroruntime.ToolDefinition{{
 		Name: "read_file", Description: "Read a file",
-		Format: &zeroruntime.ToolDefinitionFormat{Type: "grammar", Syntax: "lark", Definition: "start: PATH"},
 		Parameters: map[string]any{
 			"type":       "object",
 			"required":   []string{"path"},
@@ -54,12 +53,10 @@ func TestContextPlannerPreservesProviderRequest(t *testing.T) {
 	toolDefs[0].Parameters["required"].([]string)[0] = "other"
 	toolDefs[0].Parameters["properties"].(map[string]any)["path"].(map[string]any)["type"] = "integer"
 	toolDefs[0].Parameters["anyOf"].([]any)[0].(map[string]any)["type"] = "array"
-	toolDefs[0].Format.Definition = "changed"
 	if plan.Request.Messages[1].Content != "inspect this" || plan.Request.Messages[1].Images[0].Data[0] != 1 {
 		t.Fatalf("planned messages alias caller state: %#v", plan.Request.Messages[1])
 	}
 	if plan.Request.Tools[0].Name != "read_file" ||
-		plan.Request.Tools[0].Format == nil || plan.Request.Tools[0].Format.Definition != "start: PATH" ||
 		plan.Request.Tools[0].Parameters["required"].([]string)[0] != "path" ||
 		plan.Request.Tools[0].Parameters["properties"].(map[string]any)["path"].(map[string]any)["type"] != "string" ||
 		plan.Request.Tools[0].Parameters["anyOf"].([]any)[0].(map[string]any)["type"] != "object" {
@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 // richMCPTool mimics a real MCP tool's schema (Exa/Firecrawl-style search): an
@@ -8,8 +8,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func TestOptionsDeferThresholdFieldExists(t *testing.T) {
@@ -4,8 +4,8 @@ import (
 	"context"
 	"testing"

-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 func TestExecuteToolCallCategorizesFilteredDenial(t *testing.T) {
@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 // argsPermTool implements tools.ArgsPermissioner; plainTool does not.
@@ -6,8 +6,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // TestOptionsModelSwitcherFieldExists asserts the escalation hook is an
@@ -2,8 +2,8 @@
 package agent

 import (
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 func equalStringSlices(left []string, right []string) bool {
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"

-	"github.com/Twigpine/zero/internal/lsp"
+	"github.com/Gitlawb/zero/internal/lsp"
 )

 // fileDiagnosticsTimeout bounds one inline post-edit diagnostics check so a
@@ -1,378 +0,0 @@
-package agent
-
-import (
-	"context"
-	"os"
-	"path/filepath"
-	"runtime"
-	"strings"
-	"testing"
-
-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
-)
-
-type customApplyPatchTool struct {
-	calls int
-}
-
-type fixedPathScope struct {
-	roots []string
-}
-
-func (scope fixedPathScope) Roots() []string {
-	return append([]string(nil), scope.roots...)
-}
-
-func newFixedPathScope(t *testing.T, roots ...string) fixedPathScope {
-	t.Helper()
-	resolved := make([]string, 0, len(roots))
-	for _, root := range roots {
-		absolute, err := filepath.Abs(root)
-		if err != nil {
-			t.Fatalf("Abs(%q): %v", root, err)
-		}
-		if physical, err := filepath.EvalSymlinks(absolute); err == nil {
-			absolute = physical
-		}
-		resolved = append(resolved, absolute)
-	}
-	return fixedPathScope{roots: resolved}
-}
-
-func (*customApplyPatchTool) Name() string        { return "apply_patch" }
-func (*customApplyPatchTool) Description() string { return "custom JSON tool" }
-func (*customApplyPatchTool) Parameters() tools.Schema {
-	return tools.Schema{Type: "object", Properties: map[string]tools.PropertySchema{"value": {Type: "string"}}}
-}
-func (*customApplyPatchTool) Safety() tools.Safety {
-	return tools.Safety{Permission: tools.PermissionAllow, SideEffect: tools.SideEffectRead}
-}
-func (tool *customApplyPatchTool) Run(context.Context, map[string]any) tools.Result {
-	tool.calls++
-	return tools.Result{Status: tools.StatusOK}
-}
-
-func TestFreeformApplyPatchUsesExistingToolExecutionPath(t *testing.T) {
-	root := t.TempDir()
-	registry := tools.NewRegistry()
-	registry.Register(tools.NewScopedApplyPatchTool(root, nil))
-	patch := "*** Begin Patch\n*** Add File: hello.txt\n+hello\n*** End Patch\n"
-
-	result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-		ID:        "call-1",
-		Name:      "apply_patch",
-		Arguments: patch,
-		Freeform:  true,
-	}, PermissionModeUnsafe, Options{Cwd: root, FileTracker: tools.NewFileTracker()})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusOK {
-		t.Fatalf("freeform apply_patch status = %s: %s", result.Status, result.Output)
-	}
-	content, err := os.ReadFile(filepath.Join(root, "hello.txt"))
-	if err != nil {
-		t.Fatalf("read patched file: %v", err)
-	}
-	if string(content) != "hello\n" {
-		t.Fatalf("patched content = %q, want hello newline", content)
-	}
-}
-
-func TestFreeformApplyPatchSupportsGrantedExtraRoot(t *testing.T) {
-	root := t.TempDir()
-	extra := t.TempDir()
-	scope, err := sandbox.NewScope(root, []string{extra})
-	if err != nil {
-		t.Fatalf("NewScope: %v", err)
-	}
-	registry := tools.NewRegistry()
-	registry.Register(tools.NewScopedApplyPatchTool(root, scope))
-	target := filepath.Join(extra, "hello.txt")
-	patch := "*** Begin Patch\n*** Add File: " + target + "\n+hello\n*** End Patch\n"
-
-	result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-		ID: "call-1", Name: "apply_patch", Arguments: patch, Freeform: true,
-	}, PermissionModeUnsafe, Options{Cwd: root, FileTracker: tools.NewFileTracker()})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusOK {
-		t.Fatalf("freeform extra-root apply_patch status = %s: %s", result.Status, result.Output)
-	}
-	content, err := os.ReadFile(target)
-	if err != nil {
-		t.Fatalf("read extra-root patched file: %v", err)
-	}
-	if string(content) != "hello\n" {
-		t.Fatalf("patched content = %q, want hello newline", content)
-	}
-}
-
-func TestFreeformApplyPatchRejectsMixedWorkspaceAndExtraRoots(t *testing.T) {
-	for _, extraHasMatchingPath := range []bool{false, true} {
-		name := "extra target missing"
-		if extraHasMatchingPath {
-			name = "extra target exists"
-		}
-		t.Run(name, func(t *testing.T) {
-			workspace := t.TempDir()
-			extra := t.TempDir()
-			if err := os.MkdirAll(filepath.Join(workspace, "src"), 0o755); err != nil {
-				t.Fatal(err)
-			}
-			workspaceTarget := filepath.Join(workspace, "src", "a.go")
-			if err := os.WriteFile(workspaceTarget, []byte("old\n"), 0o644); err != nil {
-				t.Fatal(err)
-			}
-			extraTarget := filepath.Join(extra, "src", "a.go")
-			if extraHasMatchingPath {
-				if err := os.MkdirAll(filepath.Dir(extraTarget), 0o755); err != nil {
-					t.Fatal(err)
-				}
-				if err := os.WriteFile(extraTarget, []byte("old\n"), 0o644); err != nil {
-					t.Fatal(err)
-				}
-			}
-			scope, err := sandbox.NewScope(workspace, []string{extra})
-			if err != nil {
-				t.Fatal(err)
-			}
-			registry := tools.NewRegistry()
-			registry.Register(tools.NewScopedApplyPatchTool(workspace, scope))
-			extraCreated := filepath.Join(extra, "b.go")
-			patch := strings.Join([]string{
-				"*** Begin Patch",
-				"*** Update File: src/a.go",
-				"@@",
-				"-old",
-				"+new",
-				"*** Add File: " + extraCreated,
-				"+extra",
-				"*** End Patch",
-			}, "\n")
-
-			result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-				ID: "call-1", Name: "apply_patch", Arguments: patch, Freeform: true,
-			}, PermissionModeUnsafe, Options{Cwd: workspace, FileTracker: tools.NewFileTracker()})
-			if err != nil {
-				t.Fatalf("executeToolCall: %v", err)
-			}
-			if result.Status != tools.StatusError || !strings.Contains(result.Output, "mixes workspace-relative paths with an extra write root") {
-				t.Fatalf("mixed-root patch result = %s: %s", result.Status, result.Output)
-			}
-			if content, err := os.ReadFile(workspaceTarget); err != nil || string(content) != "old\n" {
-				t.Fatalf("workspace target changed: content=%q err=%v", content, err)
-			}
-			if extraHasMatchingPath {
-				if content, err := os.ReadFile(extraTarget); err != nil || string(content) != "old\n" {
-					t.Fatalf("extra-root target changed: content=%q err=%v", content, err)
-				}
-			}
-			if _, err := os.Stat(extraCreated); !os.IsNotExist(err) {
-				t.Fatalf("mixed-root patch created extra file: %v", err)
-			}
-		})
-	}
-}
-
-func TestFreeformApplyPatchAcceptsOneSemanticRoot(t *testing.T) {
-	for _, test := range []struct {
-		name         string
-		useExtraRoot bool
-	}{
-		{name: "workspace"},
-		{name: "extra root", useExtraRoot: true},
-	} {
-		t.Run(test.name, func(t *testing.T) {
-			workspace := t.TempDir()
-			extra := t.TempDir()
-			scope, err := sandbox.NewScope(workspace, []string{extra})
-			if err != nil {
-				t.Fatal(err)
-			}
-			root := workspace
-			if test.useExtraRoot {
-				root = extra
-			}
-			if err := os.MkdirAll(filepath.Join(root, "src"), 0o755); err != nil {
-				t.Fatal(err)
-			}
-			target := filepath.Join(root, "src", "a.go")
-			if err := os.WriteFile(target, []byte("old\n"), 0o644); err != nil {
-				t.Fatal(err)
-			}
-			updatePath := target
-			if !test.useExtraRoot {
-				updatePath = filepath.Join("src", "a.go")
-			}
-			created := filepath.Join(root, "b.go")
-			patch := strings.Join([]string{
-				"*** Begin Patch",
-				"*** Update File: " + updatePath,
-				"@@",
-				"-old",
-				"+new",
-				"*** Add File: " + created,
-				"+created",
-				"*** End Patch",
-			}, "\n")
-			registry := tools.NewRegistry()
-			registry.Register(tools.NewScopedApplyPatchTool(workspace, scope))
-			result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-				ID: "call-1", Name: "apply_patch", Arguments: patch, Freeform: true,
-			}, PermissionModeUnsafe, Options{Cwd: workspace, FileTracker: tools.NewFileTracker()})
-			if err != nil {
-				t.Fatalf("executeToolCall: %v", err)
-			}
-			if result.Status != tools.StatusOK {
-				t.Fatalf("single-root patch status = %s: %s", result.Status, result.Output)
-			}
-			if content, err := os.ReadFile(target); err != nil || string(content) != "new\n" {
-				t.Fatalf("updated content=%q err=%v", content, err)
-			}
-			if content, err := os.ReadFile(created); err != nil || string(content) != "created\n" {
-				t.Fatalf("created content=%q err=%v", content, err)
-			}
-		})
-	}
-}
-
-func TestFreeformApplyPatchRejectsAbsolutePathOutsideGrantedRoots(t *testing.T) {
-	root := t.TempDir()
-	granted := t.TempDir()
-	outside := t.TempDir()
-	scope := newFixedPathScope(t, root, granted)
-	registry := tools.NewRegistry()
-	registry.Register(tools.NewScopedApplyPatchTool(root, scope))
-	target := filepath.Join(outside, "blocked.txt")
-	patch := "*** Begin Patch\n*** Add File: " + target + "\n+blocked\n*** End Patch\n"
-
-	result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-		ID: "call-1", Name: "apply_patch", Arguments: patch, Freeform: true,
-	}, PermissionModeUnsafe, Options{Cwd: root})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusError {
-		t.Fatalf("ungranted absolute patch status = %s, want error: %s", result.Status, result.Output)
-	}
-	if _, err := os.Stat(target); !os.IsNotExist(err) {
-		t.Fatalf("ungranted absolute patch created target: %v", err)
-	}
-}
-
-func TestPreparedFreeformPatchRejectsIntermediateSymlinkSwap(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("creating directory symlinks requires privileges on Windows")
-	}
-	root := t.TempDir()
-	extra := t.TempDir()
-	outside := t.TempDir()
-	intermediate := filepath.Join(extra, "nested")
-	if err := os.Mkdir(intermediate, 0o755); err != nil {
-		t.Fatalf("Mkdir: %v", err)
-	}
-	scope := newFixedPathScope(t, root, extra)
-	tool := tools.NewScopedApplyPatchTool(root, scope)
-	target := filepath.Join(intermediate, "blocked.txt")
-	patch := "*** Begin Patch\n*** Add File: " + target + "\n+blocked\n*** End Patch\n"
-	args, err := tools.PrepareFreeformApplyPatchArguments(tool, patch)
-	if err != nil {
-		t.Fatalf("PrepareFreeformApplyPatchArguments: %v", err)
-	}
-
-	if err := os.Remove(intermediate); err != nil {
-		t.Fatalf("Remove intermediate: %v", err)
-	}
-	if err := os.Symlink(outside, intermediate); err != nil {
-		t.Fatalf("Symlink: %v", err)
-	}
-	result := tool.Run(context.Background(), args)
-	if result.Status != tools.StatusError {
-		t.Fatalf("symlink-swapped patch status = %s, want error: %s", result.Status, result.Output)
-	}
-	if _, err := os.Stat(filepath.Join(outside, "blocked.txt")); !os.IsNotExist(err) {
-		t.Fatalf("symlink-swapped patch wrote outside root: %v", err)
-	}
-}
-
-func TestUnknownFreeformToolFailsClosed(t *testing.T) {
-	result, err := executeToolCall(context.Background(), tools.NewRegistry(), zeroruntime.ToolCall{
-		ID: "call-1", Name: "unknown", Arguments: "raw", Freeform: true,
-	}, PermissionModeUnsafe, Options{})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusError {
-		t.Fatalf("unknown freeform status = %s, want error", result.Status)
-	}
-}
-
-func TestCustomApplyPatchCannotUseFreeformContract(t *testing.T) {
-	custom := &customApplyPatchTool{}
-	registry := tools.NewRegistry()
-	registry.Register(custom)
-
-	result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-		ID: "call-1", Name: "apply_patch", Arguments: "raw patch", Freeform: true,
-	}, PermissionModeUnsafe, Options{})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusError || !strings.Contains(result.Output, "Unsupported freeform tool call") {
-		t.Fatalf("custom freeform apply_patch result = %#v, want unsupported error", result)
-	}
-	if custom.calls != 0 {
-		t.Fatalf("custom apply_patch executed %d times", custom.calls)
-	}
-}
-
-func TestDeniedFreeformApplyPatchDoesNotWrite(t *testing.T) {
-	root := t.TempDir()
-	registry := tools.NewRegistry()
-	registry.Register(tools.NewScopedApplyPatchTool(root, nil))
-	patch := "*** Begin Patch\n*** Add File: denied.txt\n+must not exist\n*** End Patch\n"
-
-	result, err := executeToolCall(context.Background(), registry, zeroruntime.ToolCall{
-		ID:        "call-1",
-		Name:      "apply_patch",
-		Arguments: patch,
-		Freeform:  true,
-	}, PermissionModeAsk, Options{
-		Cwd: root,
-		OnPermissionRequest: func(context.Context, PermissionRequest) (PermissionDecision, error) {
-			return PermissionDecision{Action: PermissionDecisionDeny, Reason: "test denial"}, nil
-		},
-	})
-	if err != nil {
-		t.Fatalf("executeToolCall: %v", err)
-	}
-	if result.Status != tools.StatusError {
-		t.Fatalf("denied freeform status = %s, want error", result.Status)
-	}
-	if _, err := os.Stat(filepath.Join(root, "denied.txt")); !os.IsNotExist(err) {
-		t.Fatalf("denied freeform patch changed the workspace: %v", err)
-	}
-}
-
-func TestHistorySafeToolCallsPreservesRawFreeformArguments(t *testing.T) {
-	raw := "*** Begin Patch\n*** Update File: internal/main.go\n@@\n-old\n+new\n*** End Patch\n"
-	safe := historySafeToolCalls([]ToolCall{{
-		ID: "call-1", ProviderCallID: "provider-1", Name: "apply_patch", Arguments: raw, Freeform: true,
-	}})
-	if len(safe) != 1 || safe[0].Arguments != raw || safe[0].ProviderCallID != "provider-1" || !safe[0].Freeform {
-		t.Fatalf("freeform history changed raw call: %#v", safe)
-	}
-}
-
-func TestAbortedToolResultPreservesProviderCallID(t *testing.T) {
-	messages := appendAbortedToolResults(nil, []ToolCall{{
-		ID: "call-1", ProviderCallID: "provider-1", Name: "read_file",
-	}})
-	if len(messages) != 1 || messages[0].ToolCallID != "call-1" || messages[0].ToolCallProviderID != "provider-1" || !messages[0].IsError {
-		t.Fatalf("aborted tool result lost provider identity: %#v", messages)
-	}
-}
@@ -4,7 +4,7 @@ import (
 	"strconv"
 	"strings"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // Guardrail thresholds for the agent loop. These keep a runaway model from
@@ -33,11 +33,11 @@ const (
 	// knows before spending more tool turns.
 	toolOnlyProgressReminderAt = 6

-	// planReminderTurn and planReminderToolThreshold keep bounded implementation
-	// work plan-free while still nudging a genuinely sustained run that has not
-	// established any structured progress. Both thresholds must be met.
-	planReminderTurn          = 7
-	planReminderToolThreshold = 7
+	// planReminderTurn is the turn (1-based) by the end of which a multi-step
+	// task should have called update_plan; if it hasn't, a one-time reminder is
+	// injected. Set to 3 (not 2) so short, legitimate two-step tasks finish
+	// without a spurious planning nag.
+	planReminderTurn = 3

 	// planToolName is the planning tool the loop watches for by name.
 	planToolName = "update_plan"
@@ -591,12 +591,13 @@ func (state *guardState) planReminder(turn int) string {
 		return planStaleReminder(state.toolCallsSincePlanUpdate)
 	}

-	// NOT-CALLED reminder: once both the turn and tool-call thresholds are met,
-	// sustained work should have called update_plan. One-shot for the whole run.
+	// NOT-CALLED reminder: by the end of planReminderTurn the model should have
+	// called update_plan if it's doing a multi-step task (>=1 other tool call).
+	// One-shot for the whole run.
 	if !state.notCalledReminderSent &&
 		!state.planEverCalled &&
 		turn >= planReminderTurn &&
-		state.totalToolCalls >= planReminderToolThreshold {
+		state.totalToolCalls >= 1 {
 		state.notCalledReminderSent = true
 		return planNotCalledReminder()
 	}
@@ -5,8 +5,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // emptyTurn is a stream that produces no visible text and no tool calls.
@@ -257,16 +257,19 @@ func TestRunDoesNotCountDroppedToolCallTurnsAsEmpty(t *testing.T) {
 }

 func TestRunInjectsPlanNotCalledReminderForMultiStepTask(t *testing.T) {
-	const expectedThreshold = 7
-	if planReminderToolThreshold != expectedThreshold {
-		t.Fatalf("plan reminder tool threshold = %d, want %d", planReminderToolThreshold, expectedThreshold)
-	}
 	root := t.TempDir()
 	writeAgentTestFile(t, root+"/notes.txt", "alpha")
 	registry := tools.NewRegistry()
 	registry.Register(tools.NewScopedReadFileTool(root, nil))

-	provider := &mockProvider{turns: append(repeatedReadTurns(expectedThreshold), textTurn("done"))}
+	provider := &mockProvider{
+		turns: [][]zeroruntime.StreamEvent{
+			toolTurn("call-1", "read_file", `{"path":"notes.txt"}`), // turn 1: other tool call
+			toolTurn("call-2", "read_file", `{"path":"notes.txt"}`), // turn 2: still no update_plan
+			toolTurn("call-3", "read_file", `{"path":"notes.txt"}`), // turn 3: reminder fires here
+			textTurn("done"),
+		},
+	}

 	result, err := Run(context.Background(), "go", provider, Options{
 		Registry: registry,
@@ -284,44 +287,6 @@ func TestRunInjectsPlanNotCalledReminderForMultiStepTask(t *testing.T) {
 	}
 }

-func TestRunDoesNotInjectPlanReminderForBoundedToolSequence(t *testing.T) {
-	const expectedThreshold = 7
-	root := t.TempDir()
-	writeAgentTestFile(t, root+"/notes.txt", "alpha")
-	registry := tools.NewRegistry()
-	registry.Register(tools.NewScopedReadFileTool(root, nil))
-
-	provider := &mockProvider{turns: append(repeatedReadTurns(expectedThreshold-1), textTurn("done"))}
-	result, err := Run(context.Background(), "go", provider, Options{Registry: registry, MaxTurns: 12})
-	if err != nil {
-		t.Fatal(err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("expected final answer, got %q", result.FinalAnswer)
-	}
-	if count := countUserMessagesContaining(result.Messages, planNotCalledReminderMarker); count != 0 {
-		t.Fatalf("bounded tool sequence must not draw a plan reminder, got %d", count)
-	}
-}
-
-func TestPlanReminderWaitsForTurnThresholdAfterEnoughToolCalls(t *testing.T) {
-	state := guardState{totalToolCalls: 7}
-	if got := state.planReminder(6); got != "" {
-		t.Fatalf("planReminder(6) = %q, want no reminder before turn threshold", got)
-	}
-	if state.notCalledReminderSent {
-		t.Fatal("early turn marked the not-called reminder as sent")
-	}
-}
-
-func repeatedReadTurns(count int) [][]zeroruntime.StreamEvent {
-	turns := make([][]zeroruntime.StreamEvent, 0, count)
-	for range count {
-		turns = append(turns, toolTurn("call", "read_file", `{"path":"notes.txt"}`))
-	}
-	return turns
-}
-
 func TestRunDoesNotInjectPlanReminderForTrivialTask(t *testing.T) {
 	root := t.TempDir()
 	writeAgentTestFile(t, root+"/notes.txt", "alpha")
@@ -5,8 +5,8 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/hooks"
-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/hooks"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 func TestAppendHookFeedbackFormatsOutput(t *testing.T) {
@@ -11,33 +11,28 @@ import (
 	"strings"
 	"sync"

-	"github.com/Twigpine/zero/internal/execution"
-	"github.com/Twigpine/zero/internal/hooks"
-	"github.com/Twigpine/zero/internal/modelregistry"
-	"github.com/Twigpine/zero/internal/redaction"
-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/streamjson"
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/execution"
+	"github.com/Gitlawb/zero/internal/hooks"
+	"github.com/Gitlawb/zero/internal/redaction"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/streamjson"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/trace"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 const maxTurnsAnswer = "Agent reached maximum number of turns without a final answer."
 const maxTurnsFinalAnswerPrompt = "You have reached the tool-turn limit. Do not call tools. Give a concise final answer now: summarize what you completed, what you found, and any remaining blockers."

 // maxStreamStallRetries bounds how many times a turn that timed out (idle/stall)
-// OR hit a mid-stream transport abort (#973) with no answer text yet is re-issued
-// on a fresh connection before giving up. Incomplete tool-call previews are
-// allowed through the gate (they are never dispatched before the error return).
-// The safety claim is only that visible answer prose is not duplicated on retry —
-// not that every partial stream shape is excluded. Covers a stalled/dead pooled
-// connection or a socket abort before tool dispatch.
+// WITH NO OUTPUT yet is re-issued on a fresh connection before giving up. Only
+// the no-output case is retried (a partial turn would duplicate), so this is a
+// safe recovery for a stalled/dead pooled connection.
 //
 // Set to 1 (not 2): each attempt can itself idle for the full stream timeout
 // (~5min) before the stall is even detected, so 2 retries left an interactive
 // session frozen for ~15min. One retry keeps the common single-hiccup recovery
-// while bounding the worst case to ~2× the idle timeout. Mid-stream transport
-// aborts share this bound (do not raise it for #973).
+// while bounding the worst case to ~2× the idle timeout.
 const maxStreamStallRetries = 1

 const (
@@ -146,7 +141,6 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 			}
 			options.Trace.Counter(trace.CounterInputTokens, int64(usage.InputTokens))
 			options.Trace.Counter(trace.CounterCachedInputTokens, int64(usage.CachedInputTokens))
-			options.Trace.Counter(trace.CounterCacheWriteTokens, int64(usage.CacheWriteTokens))
 			options.Trace.Counter(trace.CounterOutputTokens, int64(usage.OutputTokens))
 		}
 	}
@@ -379,11 +373,7 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 					rec.StampFirstToken()
 				}
 				if onText != nil {
-					// Zero-length chunks are not committed answer prose; counting
-					// them would block an eligible mid-stream abort retry.
-					if s != "" {
-						forwardedVisibleText = true
-					}
+					forwardedVisibleText = true
 					onText(s)
 				}
 			}
@@ -459,14 +449,9 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 			result.Messages = copyMessages(messages)
 			return result, ctx.Err()
 		}
-		// A stream idle/stall timeout OR mid-stream transport abort (#973 — wsarecv /
-		// connection reset / unexpected EOF / connection closed / broken pipe) is
-		// safely re-issued when the turn committed NO answer text — no forwarded
-		// visible prose (forwardedVisibleText) and no collected final text
-		// (collected.Text). The abort gate matches midStreamAbortNeedles only, not
-		// the full shouldReconnect list: connect-phase timeouts and connection
-		// refused are NOT retried here (a slow healthy server must not cost a
-		// second prefill). This covers three cases:
+		// A stream idle/stall timeout is safely re-issued when the turn committed NO
+		// answer text — no forwarded visible prose (forwardedVisibleText) and no
+		// collected final text (collected.Text). This covers two cases:
 		//   1. Nothing streamed at all before the connection died (the original
 		//      macOS stale-pooled-connection hang past the response-header timeout).
 		//   2. The model streamed transient reasoning and began a tool call (e.g. a
@@ -477,27 +462,13 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 		//      re-render is transient previews, not duplicated answer text. This is
 		//      why the gate no longer excludes collected.ToolCalls: an incomplete
 		//      tool call from a timed-out stream is discard-and-retry, not output.
-		//   3. Mid-stream socket abort after connect succeeded (Windows WSAECONNABORTED /
-		//      wsarecv, connection reset by peer). Same no-tool-executed safety: the
-		//      error returns before tool dispatch, so a bounded retry is safe.
 		// A turn that forwarded real prose is NOT retried (it would duplicate visible
 		// answer text) and falls through to the error return below. Capped +
 		// exponential backoff, with a user-visible notice per attempt.
 		for attempt := 1; attempt <= maxStreamStallRetries &&
-			(isStreamTimeoutError(collected.Error) || isMidStreamTransportAbort(collected.Error)) &&
-			!forwardedVisibleText &&
+			isStreamTimeoutError(collected.Error) && !forwardedVisibleText &&
 			collected.Text == ""; attempt++ {
-			var notify reconnectNotifier
-			if isStreamTimeoutError(collected.Error) {
-				notify = stallRetryNoticeFor(options)
-			} else {
-				notify = reconnectNoticeFor(options)
-				// Count this post-connect reissue even when the replacement
-				// connect succeeds immediately. streamWithReconnect only
-				// increments reconnect_count after a failed connect attempt.
-				options.Trace.Counter(trace.CounterReconnectCount, 1)
-			}
-			if notify != nil {
+			if notify := stallRetryNoticeFor(options); notify != nil {
 				notify(attempt, maxStreamStallRetries)
 			}
 			if err := sleepWithContext(ctx, backoffFor(attempt)); err != nil {
@@ -510,22 +481,12 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 			retryStream, retryErr := streamWithReconnect(ctx, provider, retryRequest, reconnectNoticeFor(options))
 			if retryErr != nil {
 				result.Messages = copyMessages(messages)
-				if ctx.Err() != nil {
-					return result, ctx.Err()
-				}
 				return result, retryErr
 			}
 			stallGenSpan := options.Trace.Span(trace.SpanGeneration)
 			collected = zeroruntime.CollectStreamWithOptions(ctx, retryStream, forwardingOpts)
 			stallGenSpan.End()
 		}
-		// Recheck ctx after a retried CollectStream: helpers.go stores
-		// ctx.Err().Error() in collected.Error, and errors.New of that string
-		// drops the context.Canceled sentinel ACP branches on.
-		if ctx.Err() != nil {
-			result.Messages = copyMessages(messages)
-			return result, ctx.Err()
-		}
 		if collected.Error != "" {
 			// Route a reissued stream's non-stall error through the SAME recovery as
 			// the initial stream (image-rejection wrapping / context-limit compaction)
@@ -536,10 +497,6 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 				result.Messages = copyMessages(messages)
 				return result, stop
 			}
-			if ctx.Err() != nil {
-				result.Messages = copyMessages(messages)
-				return result, ctx.Err()
-			}
 			if collected.Error != "" {
 				result.Messages = copyMessages(messages)
 				return result, errors.New(collected.Error)
@@ -688,25 +645,9 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 		// recorded. They travel as user messages, and a user message between two
 		// tool_results breaks strict provider replay — Anthropic coalesces them
 		// into one user block list and requires the tool_result blocks first, so
-		// Images ride a following USER message rather than the tool result
-		// above. Every provider drops images on a tool-role message —
-		// Anthropic's tool_result content is a string, Gemini's is a
-		// functionResponse, and OpenAI guards its image parts to the user role
-		// — so attaching them there would silently deliver nothing. A separate
-		// message also keeps the one-tool-result-per-tool-call pairing intact,
-		// which the providers validate. Vision-gate evaluation is deferred until
-		// after any model switch this turn resolves, so images can reach an
-		// escalated vision-capable model.
-		var toolResultsWithImages []ToolResult
-		buildToolImageMessages := func() []zeroruntime.Message {
-			var out []zeroruntime.Message
-			for _, tr := range toolResultsWithImages {
-				if imageMessage, ok := toolResultImageMessage(tr, options); ok {
-					out = append(out, imageMessage)
-				}
-			}
-			return out
-		}
+		// interleaving yields [tool_result, text, image, tool_result] and a 400.
+		// Same reason the self-correction feedback below is deferred.
+		var toolImageMessages []zeroruntime.Message
 		// Parallel read-ahead state: results for calls[precomputedStart:precomputedEnd]
 		// executed concurrently, consumed strictly in order below.
 		var precomputed []precomputedToolResult
@@ -756,15 +697,21 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 				turnRequestedModel = toolResult.RequestedModel
 			}
 			messages = append(messages, zeroruntime.Message{
-				Role:               zeroruntime.MessageRoleTool,
-				Content:            toolResult.ModelOutput(),
-				ToolCallID:         toolResult.ToolCallID,
-				ToolCallProviderID: call.ProviderCallID,
-				IsError:            toolResult.Status == tools.StatusError,
-				ChangedFiles:       append([]string(nil), toolResult.ChangedFiles...),
+				Role:         zeroruntime.MessageRoleTool,
+				Content:      toolResult.ModelOutput(),
+				ToolCallID:   toolResult.ToolCallID,
+				IsError:      toolResult.Status == tools.StatusError,
+				ChangedFiles: append([]string(nil), toolResult.ChangedFiles...),
 			})
-			if len(toolResult.Images) > 0 {
-				toolResultsWithImages = append(toolResultsWithImages, toolResult)
+			// Images ride a following USER message rather than the tool result
+			// above. Every provider drops images on a tool-role message —
+			// Anthropic's tool_result content is a string, Gemini's is a
+			// functionResponse, and OpenAI guards its image parts to the user role
+			// — so attaching them there would silently deliver nothing. A separate
+			// message also keeps the one-tool-result-per-tool-call pairing intact,
+			// which the providers validate.
+			if imageMessage, ok := toolResultImageMessage(toolResult); ok {
+				toolImageMessages = append(toolImageMessages, imageMessage)
 			}

 			// A tool may demand the run ABORT — a canceled/timed-out ask_user prompt
@@ -776,13 +723,13 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 			}
 			if abortErr != nil {
 				messages = appendAbortedToolResults(messages, collected.ToolCalls[index+1:])
-				messages = append(messages, buildToolImageMessages()...)
+				messages = append(messages, toolImageMessages...)
 				result.Messages = copyMessages(messages)
 				return result, abortErr
 			}
 			if stopReason := stopReasonFromToolResult(toolResult); stopReason != "" {
 				messages = appendAbortedToolResults(messages, collected.ToolCalls[index+1:])
-				messages = append(messages, buildToolImageMessages()...)
+				messages = append(messages, toolImageMessages...)
 				result.FinalAnswer = toolResult.ModelOutput()
 				result.StopReason = stopReason
 				result.Messages = copyMessages(messages)
@@ -806,7 +753,7 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 				// messages stay valid for a strict provider replay (Anthropic
 				// rejects a tool_use with no answering tool_result).
 				messages = appendAbortedToolResults(messages, collected.ToolCalls[index+1:])
-				messages = append(messages, buildToolImageMessages()...)
+				messages = append(messages, toolImageMessages...)
 				result.FinalAnswer = toolFailureStopAnswer(call.Name, outcome.Count)
 				result.Messages = copyMessages(messages)
 				return result, nil
@@ -825,6 +772,10 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 				postEditDiagnostics.enqueue(ctx, toolResult.ChangedFiles)
 			}
 		}
+		// Every tool_result for this turn is now recorded, including aborted
+		// placeholders, so the images can follow without splitting them.
+		messages = append(messages, toolImageMessages...)
+		toolImageMessages = nil

 		// Run post-edit self-correction once over the union of files this turn
 		// changed, then append any feedback after every tool_result is recorded so
@@ -912,12 +863,6 @@ func Run(ctx context.Context, prompt string, provider Provider, options Options)
 			}
 		}

-		// Every tool_result, self-correct notice, and model-switch update for this
-		// turn is now in place; evaluate and append image messages against the
-		// effective (potentially escalated) model.
-		messages = append(messages, buildToolImageMessages()...)
-		toolResultsWithImages = nil
-
 		// A turn can mix valid tool calls with a dropped (nameless) one. The valid
 		// calls executed above; surface the dropped call too so it is never
 		// silently ignored just because the turn also did real work. This is
@@ -1100,9 +1045,6 @@ func historySafeToolCalls(calls []ToolCall) []ToolCall {
 	safe := make([]ToolCall, len(calls))
 	for i, call := range calls {
 		safe[i] = call
-		if call.Freeform {
-			continue
-		}
 		args := strings.TrimSpace(call.Arguments)
 		switch {
 		case args == "":
@@ -1186,28 +1128,8 @@ func decodeToolArguments(arguments string, v any) error {
 }

 func executeToolCall(ctx context.Context, registry *tools.Registry, call ToolCall, permissionMode PermissionMode, options Options) (ToolResult, error) {
-	tool, toolFound := registry.Get(call.Name)
 	args := map[string]any{}
-	if call.Freeform {
-		if !toolFound || !tools.IsBuiltInApplyPatch(tool) {
-			return ToolResult{
-				ToolCallID: call.ID,
-				Name:       call.Name,
-				Status:     tools.StatusError,
-				Output:     "Error: Unsupported freeform tool call for " + call.Name + ".",
-			}, nil
-		}
-		prepared, err := tools.PrepareFreeformApplyPatchArguments(tool, call.Arguments)
-		if err != nil {
-			return ToolResult{
-				ToolCallID: call.ID,
-				Name:       call.Name,
-				Status:     tools.StatusError,
-				Output:     "Error: Invalid freeform apply_patch input: " + err.Error(),
-			}, nil
-		}
-		args = prepared
-	} else if call.Arguments != "" {
+	if call.Arguments != "" {
 		if err := decodeToolArguments(call.Arguments, &args); err != nil {
 			return ToolResult{
 				ToolCallID: call.ID,
@@ -1235,6 +1157,7 @@ func executeToolCall(ctx context.Context, registry *tools.Registry, call ToolCal
 			DenialReason: DenialFiltered,
 		}, nil
 	}
+	tool, toolFound := registry.Get(call.Name)
 	if (permissionMode == PermissionModeSpecDraft || permissionMode == PermissionModePlan) && toolFound && !ToolAdvertised(tool, permissionMode) {
 		modeName := string(permissionMode)
 		return ToolResult{
@@ -1580,7 +1503,6 @@ func executeToolCall(ctx context.Context, registry *tools.Registry, call ToolCal
 		Images:          result.Images,
 		Redacted:        result.Redacted,
 		ChangedFiles:    result.ChangedFiles,
-		FileDiffs:       result.FileDiffs,
 		ChangeSummaries: result.ChangeSummaries,
 		Display:         result.HumanDisplay(),
 		Outcome:         result.Outcome,
@@ -1887,10 +1809,6 @@ func runToolForUnsandboxedRetry(ctx context.Context, registry *tools.Registry, n
 }

 func toolResultFromPrePermissionReject(call ToolCall, result tools.Result) ToolResult {
-	// PrePermissionRejecter runs before Registry.RunWithOptions, so it must
-	// explicitly cross the same transcript/redaction boundary before its result
-	// can be forwarded through ACP.
-	result = tools.ScrubResultSecrets(result)
 	output, outputRedacted := scrubInterceptedOutput(result.Output)
 	display := result.Display
 	summary, summaryRedacted := scrubInterceptedOutput(display.Summary)
@@ -1918,7 +1836,6 @@ func toolResultFromPrePermissionReject(call ToolCall, result tools.Result) ToolR
 		Meta:            meta,
 		Redacted:        result.Redacted || outputRedacted || summaryRedacted || metaRedacted,
 		ChangedFiles:    result.ChangedFiles,
-		FileDiffs:       result.FileDiffs,
 		ChangeSummaries: result.ChangeSummaries,
 		Display:         display,
 		LoadedTools:     loadedToolsFromResult(meta),
@@ -2212,7 +2129,6 @@ func askUserFallbackResult(ctx context.Context, registry *tools.Registry, call T
 			Meta:            result.Meta,
 			Redacted:        result.Redacted,
 			ChangedFiles:    result.ChangedFiles,
-			FileDiffs:       result.FileDiffs,
 			ChangeSummaries: result.ChangeSummaries,
 			Display:         result.HumanDisplay(),
 			Outcome:         result.Outcome,
@@ -3304,15 +3220,11 @@ func cachedRuntimeToolDefinition(defCache map[string]zeroruntime.ToolDefinition,
 // runtimeToolDefinition renders a tool's advertised definition (name, description,
 // JSON-schema parameters) as sent to the provider.
 func runtimeToolDefinition(tool tools.Tool) zeroruntime.ToolDefinition {
-	definition := zeroruntime.ToolDefinition{
+	return zeroruntime.ToolDefinition{
 		Name:        tool.Name(),
 		Description: tool.Description(),
 		Parameters:  schemaToRuntimeMap(tool.Parameters()),
 	}
-	if tools.IsBuiltInApplyPatch(tool) {
-		definition.Type = zeroruntime.ToolDefinitionFreeform
-	}
-	return definition
 }

 func ToolVisible(tool tools.Tool, permissionMode PermissionMode, enabledTools []string, disabledTools []string) bool {
@@ -3467,11 +3379,10 @@ func loadedToolsFromResult(meta map[string]string) []string {
 func appendAbortedToolResults(messages []Message, remaining []ToolCall) []Message {
 	for _, call := range remaining {
 		messages = append(messages, zeroruntime.Message{
-			Role:               zeroruntime.MessageRoleTool,
-			Content:            abortedToolResultNotice,
-			ToolCallID:         call.ID,
-			ToolCallProviderID: call.ProviderCallID,
-			IsError:            true,
+			Role:       zeroruntime.MessageRoleTool,
+			Content:    abortedToolResultNotice,
+			ToolCallID: call.ID,
+			IsError:    true,
 		})
 	}
 	return messages
@@ -3517,10 +3428,8 @@ func copyMessages(messages []Message) []Message {
 //
 // The text names the tool so the model can tell which call an image came from
 // when several ran in one turn — the images arrive detached from their tool
-// result, so nothing else associates them. If the effective model cannot
-// accept images, the tool's text result is left unchanged and this follow-up
-// is a notice with no image parts, matching the CLI/TUI vision gate.
-func toolResultImageMessage(result ToolResult, options Options) (zeroruntime.Message, bool) {
+// result, so nothing else associates them.
+func toolResultImageMessage(result ToolResult) (zeroruntime.Message, bool) {
 	images := make([]zeroruntime.ImageBlock, 0, len(result.Images))
 	for _, image := range result.Images {
 		if len(image.Data) == 0 {
@@ -3541,26 +3450,9 @@ func toolResultImageMessage(result ToolResult, options Options) (zeroruntime.Mes
 	if label == "" {
 		label = "tool"
 	}
-	if !modelAcceptsToolImages(options) {
-		return zeroruntime.Message{
-			Role:    zeroruntime.MessageRoleUser,
-			Content: "Image output from " + label + " was not sent because the current model does not support image input. Switch to a vision-capable model before retrying image delivery, including any images skipped by the tool's image budget.",
-		}, true
-	}
 	return zeroruntime.Message{
 		Role:    zeroruntime.MessageRoleUser,
 		Content: "Image output from " + label + ":",
 		Images:  images,
 	}, true
 }
-
-func modelAcceptsToolImages(options Options) bool {
-	if options.SupportsVision != nil {
-		return options.SupportsVision(options.Model)
-	}
-	registry, err := modelregistry.DefaultRegistry()
-	if err != nil {
-		return modelregistry.VisionCapableByName(options.Model)
-	}
-	return modelregistry.SupportsVision(registry, options.Model)
-}
@@ -5,7 +5,7 @@ import (
 	"context"
 	"testing"

-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // imageEchoProvider records the messages of the first request it receives, then
@@ -13,13 +13,13 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/execution"
-	"github.com/Twigpine/zero/internal/hooks"
-	"github.com/Twigpine/zero/internal/sandbox"
-	"github.com/Twigpine/zero/internal/specmode"
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/execution"
+	"github.com/Gitlawb/zero/internal/hooks"
+	"github.com/Gitlawb/zero/internal/sandbox"
+	"github.com/Gitlawb/zero/internal/specmode"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/trace"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 type mockProvider struct {
@@ -27,23 +27,6 @@ type mockProvider struct {
 	requests []zeroruntime.CompletionRequest
 }

-func TestPrePermissionRejectScrubsFileDiffs(t *testing.T) {
-	secret := "sk-proj-abcdefghijklmnopqrstuvwxyz"
-	result := toolResultFromPrePermissionReject(ToolCall{ID: "call", Name: "test"}, tools.Result{
-		Status: tools.StatusError,
-		FileDiffs: []tools.FileDiff{{
-			Path:      filepath.Join(t.TempDir(), "secret.txt"),
-			OldExists: true,
-			NewExists: true,
-			OldText:   "token=" + secret,
-			NewText:   "safe",
-		}},
-	})
-	if len(result.FileDiffs) != 1 || strings.Contains(result.FileDiffs[0].OldText, secret) || !result.Redacted {
-		t.Fatalf("pre-permission FileDiff = %#v, redacted = %t", result.FileDiffs, result.Redacted)
-	}
-}
-
 func TestTypedExecutionOutcomeOverridesLegacySandboxHeuristics(t *testing.T) {
 	engine := sandbox.NewEngine(sandbox.EngineOptions{WorkspaceRoot: t.TempDir(), Policy: sandbox.DefaultPolicy()})
 	call := ToolCall{Name: tools.ExecCommandToolName}
@@ -4113,7 +4096,7 @@ func TestRunDoesNotFlagCleanToolOutput(t *testing.T) {
 // caller's callback AND stamps token counters, and the run completes.
 func TestRunTracingWrapperStampsUsage(t *testing.T) {
 	provider := &mockProvider{turns: [][]zeroruntime.StreamEvent{{
-		{Type: zeroruntime.StreamEventUsage, Usage: zeroruntime.Usage{PromptTokens: 100, CachedInputTokens: 20, CacheWriteTokens: 10, CompletionTokens: 40}},
+		{Type: zeroruntime.StreamEventUsage, Usage: zeroruntime.Usage{InputTokens: 100, CachedInputTokens: 20, OutputTokens: 40}},
 		{Type: zeroruntime.StreamEventText, Content: "done"},
 		{Type: zeroruntime.StreamEventDone},
 	}}}
@@ -4152,9 +4135,6 @@ func TestRunTracingWrapperStampsUsage(t *testing.T) {
 	if got := tr.Counter(trace.CounterCachedInputTokens); got != 20 {
 		t.Fatalf("cached input token counter = %d, want 20", got)
 	}
-	if got := tr.Counter(trace.CounterCacheWriteTokens); got != 10 {
-		t.Fatalf("cache-write token counter = %d, want 10", got)
-	}
 	if got := tr.Counter(trace.CounterOutputTokens); got != 40 {
 		t.Fatalf("output token counter = %d, want 40", got)
 	}
@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"

-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 type safetyTool struct {
@@ -1,487 +0,0 @@
-package agent
-
-import (
-	"context"
-	"errors"
-	"strings"
-	"sync/atomic"
-	"testing"
-	"time"
-
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
-)
-
-// midStreamAbortProvider connects successfully but emits a transport-abort
-// StreamEventError on the first abortBefore calls, then succeeds with "done".
-// hangOnCall, if > 0, makes that 1-based call block until ctx is done so a
-// cancel during the retried CollectStream can be reproduced.
-// connectFailFrom, if > 0, makes that 1-based call and later return a
-// reconnectable connect error so streamWithReconnect enters its backoff.
-type midStreamAbortProvider struct {
-	calls           int32
-	abortBefore     int32
-	abortError      string
-	partialText     string
-	emptyTextEvent  bool
-	partialToolCall string
-	hangOnCall      int32
-	connectFailFrom int32
-	connectErr      string
-	started         chan struct{}
-}
-
-func (p *midStreamAbortProvider) StreamCompletion(ctx context.Context, _ zeroruntime.CompletionRequest) (<-chan zeroruntime.StreamEvent, error) {
-	n := atomic.AddInt32(&p.calls, 1)
-	if p.connectFailFrom > 0 && n >= p.connectFailFrom {
-		if p.started != nil {
-			select {
-			case <-p.started:
-			default:
-				close(p.started)
-			}
-		}
-		errMsg := p.connectErr
-		if errMsg == "" {
-			errMsg = "connection reset by peer"
-		}
-		return nil, errors.New(errMsg)
-	}
-	if p.hangOnCall > 0 && n == p.hangOnCall {
-		if p.started != nil {
-			close(p.started)
-		}
-		ch := make(chan zeroruntime.StreamEvent)
-		go func() {
-			<-ctx.Done()
-			close(ch)
-		}()
-		return ch, nil
-	}
-	ch := make(chan zeroruntime.StreamEvent, 5)
-	if n <= p.abortBefore {
-		if p.emptyTextEvent {
-			ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventText, Content: ""}
-		}
-		if p.partialText != "" {
-			ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventText, Content: p.partialText}
-		}
-		if p.partialToolCall != "" {
-			ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventToolCallStart, ToolCallID: "tc_1", ToolName: p.partialToolCall}
-			ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventToolCallDelta, ToolCallID: "tc_1", ArgumentsFragment: `{"path":"x.html","content":"<!doctype`}
-		}
-		errMsg := p.abortError
-		if errMsg == "" {
-			errMsg = "provider stream error: read: connection reset by peer"
-		}
-		ch <- zeroruntime.StreamEvent{
-			Type:  zeroruntime.StreamEventError,
-			Error: errMsg,
-		}
-		close(ch)
-		return ch, nil
-	}
-	ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventText, Content: "done"}
-	ch <- zeroruntime.StreamEvent{Type: zeroruntime.StreamEventDone}
-	close(ch)
-	return ch, nil
-}
-
-func TestRunRetriesMidStreamConnectionReset(t *testing.T) {
-	p := &midStreamAbortProvider{abortBefore: 1}
-	result, err := Run(context.Background(), "go", p, Options{Registry: tools.NewRegistry()})
-	if err != nil {
-		t.Fatalf("a mid-stream connection reset should retry to success, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-}
-
-func TestRunRetriesMidStreamWindowsAbort(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider stream error: read: wsarecv: An established connection was aborted by the software in your host machine",
-	}
-	result, err := Run(context.Background(), "go", p, Options{Registry: tools.NewRegistry()})
-	if err != nil {
-		t.Fatalf("a Windows mid-stream abort should retry to success, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-}
-
-// wsarecv alone (no "connection was aborted" substring) must still retry, so
-// deleting the wsarecv needle cannot go green.
-func TestRunRetriesMidStreamWsarecvNeedle(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider stream error: read: wsarecv: 10053",
-	}
-	result, err := Run(context.Background(), "go", p, Options{Registry: tools.NewRegistry()})
-	if err != nil {
-		t.Fatalf("wsarecv without 'connection was aborted' should retry to success, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-}
-
-func TestRunDoesNotRetryMidStreamAbortAfterPartialOutput(t *testing.T) {
-	sawText := 0
-	p := &midStreamAbortProvider{abortBefore: 1, partialText: "partial"}
-	_, err := Run(context.Background(), "go", p, Options{
-		Registry: tools.NewRegistry(),
-		OnText:   func(string) { sawText++ },
-	})
-	if err == nil {
-		t.Fatal("a mid-stream abort after partial output must NOT be retried; want an error")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 1 {
-		t.Fatalf("partial-then-abort must not retry, got %d calls", got)
-	}
-	if sawText == 0 {
-		t.Fatal("OnText must have fired so forwardedVisibleText is the named guard")
-	}
-}
-
-// A zero-length OnText chunk is not committed answer prose, so an eligible
-// transport abort still retries.
-func TestRunRetriesMidStreamAbortAfterEmptyTextEvent(t *testing.T) {
-	p := &midStreamAbortProvider{abortBefore: 1, emptyTextEvent: true}
-	result, err := Run(context.Background(), "go", p, Options{
-		Registry: tools.NewRegistry(),
-		OnText:   func(string) {},
-	})
-	if err != nil {
-		t.Fatalf("empty OnText must not block mid-stream abort retry, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-}
-
-func TestRunRetriesMidStreamAbortAfterIncompleteToolCall(t *testing.T) {
-	starts := 0
-	dispatched := 0
-	p := &midStreamAbortProvider{abortBefore: 1, partialToolCall: "write_file"}
-	result, err := Run(context.Background(), "go", p, Options{
-		Registry:        tools.NewRegistry(),
-		OnToolCallStart: func(string, string) { starts++ },
-		OnToolCallDelta: func(string, string) {},
-		OnToolCall:      func(ToolCall) { dispatched++ },
-	})
-	if err != nil {
-		t.Fatalf("a mid-stream abort mid-incomplete-tool-call should retry to success, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-	if starts != 1 {
-		t.Fatalf("the incomplete tool call should have been forwarded once before the abort, got %d starts", starts)
-	}
-	if dispatched != 0 {
-		t.Fatalf("OnToolCall must never fire for an incomplete aborted tool call (no dispatch), got %d", dispatched)
-	}
-}
-
-func TestRunGivesUpAfterMaxMidStreamAbortRetries(t *testing.T) {
-	if maxStreamStallRetries != 1 {
-		t.Fatalf("maxStreamStallRetries = %d, want 1 (#973 must not raise this bound)", maxStreamStallRetries)
-	}
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = time.Millisecond
-	p := &midStreamAbortProvider{abortBefore: 99}
-	_, err := Run(context.Background(), "go", p, Options{Registry: tools.NewRegistry()})
-	if err == nil {
-		t.Fatal("a persistent mid-stream abort must surface an error after exhausting retries")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry); pin the bound at 1, got %d", got)
-	}
-}
-
-func TestRunMidStreamAbortUsesReconnectNotice(t *testing.T) {
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = time.Millisecond
-	var notices string
-	p := &midStreamAbortProvider{abortBefore: 1}
-	result, err := Run(context.Background(), "go", p, Options{
-		Registry:    tools.NewRegistry(),
-		OnReasoning: func(s string) { notices += s },
-	})
-	if err != nil {
-		t.Fatalf("retry should succeed, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	lower := strings.ToLower(notices)
-	if !strings.Contains(lower, "connection lost") || !strings.Contains(lower, "reconnecting") {
-		t.Fatalf("transport abort must use reconnect wording, notices = %q", notices)
-	}
-	if strings.Contains(lower, "model stalled") {
-		t.Fatalf("transport abort must not use stall wording, notices = %q", notices)
-	}
-}
-
-func TestRunCancelDuringMidStreamRetryPreservesContextCanceled(t *testing.T) {
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = time.Millisecond
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	started := make(chan struct{})
-	p := &midStreamAbortProvider{abortBefore: 1, hangOnCall: 2, started: started}
-	errCh := make(chan error, 1)
-	go func() {
-		_, err := Run(ctx, "go", p, Options{Registry: tools.NewRegistry()})
-		errCh <- err
-	}()
-	select {
-	case <-started:
-	case <-time.After(5 * time.Second):
-		t.Fatal("timed out waiting for retried stream")
-	}
-	cancel()
-	err := <-errCh
-	if err == nil {
-		t.Fatal("want context.Canceled after cancel during retried stream")
-	}
-	if !errors.Is(err, context.Canceled) {
-		t.Fatalf("cancel during retried stream must keep the sentinel, got %q (errors.Is Canceled = false)", err)
-	}
-}
-
-func TestRunCancelDuringReplacementConnectBackoffPreservesContextCanceled(t *testing.T) {
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = 200 * time.Millisecond
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	started := make(chan struct{})
-	p := &midStreamAbortProvider{abortBefore: 1, connectFailFrom: 2, started: started}
-	errCh := make(chan error, 1)
-	go func() {
-		_, err := Run(ctx, "go", p, Options{Registry: tools.NewRegistry()})
-		errCh <- err
-	}()
-	select {
-	case <-started:
-	case <-time.After(5 * time.Second):
-		t.Fatal("timed out waiting for replacement connect failure")
-	}
-	cancel()
-	err := <-errCh
-	if err == nil {
-		t.Fatal("want context.Canceled after cancel during replacement connect backoff")
-	}
-	if !errors.Is(err, context.Canceled) {
-		t.Fatalf("cancel during replacement connect backoff must keep the sentinel, got %q (errors.Is Canceled = false)", err)
-	}
-}
-
-func TestRunMidStreamAbortRecordsReconnectCountOnImmediateReplacement(t *testing.T) {
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = time.Millisecond
-	rec := trace.NewRecorder("midstream-abort", "run-1", "test")
-	p := &midStreamAbortProvider{abortBefore: 1}
-	result, err := Run(context.Background(), "go", p, Options{
-		Registry: tools.NewRegistry(),
-		Trace:    rec,
-	})
-	if err != nil {
-		t.Fatalf("retry should succeed, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 immediate replacement), got %d", got)
-	}
-	gotTrace := rec.Finish()
-	if got := gotTrace.Counter(trace.CounterReconnectCount); got != 1 {
-		t.Fatalf("reconnect_count = %d, want 1 for a successful replacement connection", got)
-	}
-	if got := gotTrace.Counter(trace.CounterModelRequests); got != 2 {
-		t.Fatalf("model_requests = %d, want 2 (initial + replacement)", got)
-	}
-}
-
-func TestRunDoesNotRetryResponseHeaderTimeout(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 99,
-		abortError:  "net/http: timeout awaiting response headers",
-	}
-	_, err := Run(context.Background(), "go", p, Options{Registry: tools.NewRegistry()})
-	if err == nil {
-		t.Fatal("a response-header timeout must not be retried as a mid-stream abort")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 1 {
-		t.Fatalf("header timeout must not retry, got %d calls", got)
-	}
-}
-
-func TestIsMidStreamTransportAbort(t *testing.T) {
-	aborts := []string{
-		"provider stream error: read: connection reset by peer",
-		"provider stream error: unexpected EOF",
-		"provider stream error: read: wsarecv: 10053",
-		"provider stream error: read: wsarecv: An established connection was aborted by the software in your host machine",
-		"An existing connection was forcibly closed by the remote host",
-		"provider stream error: read: connection closed",
-		"write: broken pipe",
-		"provider stream error: server closed the connection",
-		"provider stream error: software caused connection abort",
-	}
-	for _, m := range aborts {
-		if !isMidStreamTransportAbort(m) {
-			t.Fatalf("want mid-stream transport abort: %q", m)
-		}
-	}
-	notAborts := []string{
-		"",
-		"context length exceeded",
-		"rate limit error: slow down",
-		"model not found",
-		"net/http: timeout awaiting response headers",
-		"dial tcp 10.0.0.1:443: connect: connection refused",
-		"i/o timeout",
-		"500 Internal Server Error",
-		"502 Bad Gateway",
-		"503 Service Unavailable",
-		"504 Gateway Timeout",
-		"provider request error: request does not satisfy oneOf schema",
-		"provider request error: connection closed is not a supported finish reason",
-		"provider error: connection closed is not a supported finish reason",
-		"provider error: upstream connection reset by peer",
-		"provider error: unexpected EOF while reading upstream response",
-		"provider error: 502 Bad Gateway",
-		"auth error: connection reset by peer",
-		"rate limit error: server closed",
-		"schema error: property oneOf is invalid",
-	}
-	for _, m := range notAborts {
-		if isMidStreamTransportAbort(m) {
-			t.Fatalf("must NOT classify as mid-stream transport abort: %q", m)
-		}
-	}
-}
-
-func TestRunDoesNotRetryClassifiedProviderErrorWithSocketPhrase(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider request error: connection closed is not a supported finish reason",
-	}
-	var notices string
-	opts := Options{
-		Registry:    tools.NewRegistry(),
-		OnReasoning: func(s string) { notices += s },
-	}
-	_, err := Run(context.Background(), "go", p, opts)
-	if err == nil {
-		t.Fatal("expected application error, got nil")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 1 {
-		t.Fatalf("classified provider error with 'connection closed' must not retry (got %d calls, want 1)", got)
-	}
-	if notices != "" {
-		t.Fatalf("expected no reconnect notices, got %q", notices)
-	}
-	if !strings.Contains(err.Error(), "connection closed") {
-		t.Fatalf("expected original error preserved, got %v", err)
-	}
-}
-
-func TestRunDoesNotRetryProviderErrorWithSocketPhrase(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider error: unexpected EOF while reading upstream response",
-	}
-	var notices string
-	opts := Options{
-		Registry:    tools.NewRegistry(),
-		OnReasoning: func(s string) { notices += s },
-	}
-	_, err := Run(context.Background(), "go", p, opts)
-	if err == nil {
-		t.Fatal("expected application error, got nil")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 1 {
-		t.Fatalf("provider error with 'unexpected EOF' must not retry (got %d calls, want 1)", got)
-	}
-	if notices != "" {
-		t.Fatalf("expected no reconnect notices, got %q", notices)
-	}
-	if got := err.Error(); got != p.abortError {
-		t.Fatalf("error = %q, want original provider error %q", got, p.abortError)
-	}
-}
-
-func TestRunDoesNotRetryApplicationErrorContainingEOFSubstring(t *testing.T) {
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider request error: request does not satisfy oneOf schema",
-	}
-	var notices string
-	opts := Options{
-		Registry:    tools.NewRegistry(),
-		OnReasoning: func(s string) { notices += s },
-	}
-	_, err := Run(context.Background(), "go", p, opts)
-	if err == nil {
-		t.Fatal("expected application error, got nil")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 1 {
-		t.Fatalf("application error with 'oneOf' must not retry (got %d calls, want 1)", got)
-	}
-	if notices != "" {
-		t.Fatalf("expected no reconnect notices, got %q", notices)
-	}
-	if !strings.Contains(err.Error(), "oneOf") {
-		t.Fatalf("expected original error preserved, got %v", err)
-	}
-}
-
-func TestRunRetriesMidStreamUnexpectedEOF(t *testing.T) {
-	defer func(orig time.Duration) { streamReconnectBase = orig }(streamReconnectBase)
-	streamReconnectBase = time.Millisecond
-	p := &midStreamAbortProvider{
-		abortBefore: 1,
-		abortError:  "provider stream error: unexpected EOF",
-	}
-	var notices string
-	opts := Options{
-		Registry:    tools.NewRegistry(),
-		OnReasoning: func(s string) { notices += s },
-	}
-	result, err := Run(context.Background(), "go", p, opts)
-	if err != nil {
-		t.Fatalf("unexpected EOF should retry to success, got %v", err)
-	}
-	if result.FinalAnswer != "done" {
-		t.Fatalf("final answer = %q, want %q", result.FinalAnswer, "done")
-	}
-	if got := atomic.LoadInt32(&p.calls); got != 2 {
-		t.Fatalf("want 2 calls (1 abort + 1 retry), got %d", got)
-	}
-	lower := strings.ToLower(notices)
-	if !strings.Contains(lower, "connection lost") || !strings.Contains(lower, "reconnecting") {
-		t.Fatalf("expected reconnect notice, got %q", notices)
-	}
-}
@@ -8,10 +8,10 @@ import (
 	"strings"
 	"testing"

-	"github.com/Twigpine/zero/internal/hooks"
-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/trace"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/hooks"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/trace"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 type propagationOutputTool struct {
@@ -4,7 +4,7 @@ import (
 	"context"
 	"sync"

-	"github.com/Twigpine/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/tools"
 )

 // Parallel read-ahead for tool batches. When a turn requests several
@@ -7,8 +7,8 @@ import (
 	"testing"
 	"time"

-	"github.com/Twigpine/zero/internal/tools"
-	"github.com/Twigpine/zero/internal/zeroruntime"
+	"github.com/Gitlawb/zero/internal/tools"
+	"github.com/Gitlawb/zero/internal/zeroruntime"
 )

 // probeTool records execution overlap and ordering so tests can assert what