fix(ui): hide menus after close

refactor(app): use native session info (#40824 )
fix(cli): rename auth connect to login
2026-08-06 09:10:47 -04:00 · 2026-08-06 10:22:01 +00:00 · 2026-08-06 17:58:56 +08:00 · 2026-08-06 01:48:53 -04:00 · 2026-08-06 01:12:11 -04:00 · 2026-08-06 00:04:27 -05:00
495 changed files with 10194 additions and 25941 deletions
@@ -64,7 +64,6 @@
        "@opencode-ai/client": "workspace:*",
        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
-        "@opencode-ai/sdk": "file:vendor/opencode-ai-sdk-1.18.8-dev.tgz",
        "@opencode-ai/session-ui": "workspace:*",
        "@opencode-ai/ui": "workspace:*",
        "@opencode-ai/util": "workspace:*",
@@ -88,6 +87,7 @@
        "@tanstack/solid-query": "5.91.4",
        "@tanstack/solid-virtual": "catalog:",
        "@thisbeyond/solid-dnd": "0.7.5",
+        "diff": "catalog:",
        "effect": "catalog:",
        "fuzzysort": "catalog:",
        "ghostty-web": "github:anomalyco/ghostty-web#83c0a07b8628b748aed073b232cb4b52a6ca11c1",
@@ -111,6 +111,7 @@
        "@types/luxon": "catalog:",
        "@types/node": "catalog:",
        "@typescript/native-preview": "catalog:",
+        "happy-dom": "20.11.1",
        "tw-animate-css": "1.4.0",
        "typescript": "catalog:",
        "vite": "catalog:",
@@ -284,13 +285,9 @@
      "name": "@opencode-ai/console-function",
      "version": "1.18.8",
      "dependencies": {
-        "@ai-sdk/anthropic": "3.0.82",
-        "@ai-sdk/openai": "3.0.48",
-        "@ai-sdk/openai-compatible": "2.0.37",
        "@openauthjs/openauth": "0.0.0-20250322224806",
        "@opencode-ai/console-core": "workspace:*",
        "@opencode-ai/console-resource": "workspace:*",
-        "ai": "catalog:",
        "zod": "catalog:",
      },
      "devDependencies": {
@@ -298,7 +295,6 @@
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        "@types/node": "catalog:",
        "@typescript/native-preview": "catalog:",
-        "openai": "5.11.0",
        "typescript": "catalog:",
      },
    },
@@ -361,18 +357,15 @@
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        "@ai-sdk/deepinfra": "2.0.41",
        "@ai-sdk/gateway": "3.0.104",
-        "@ai-sdk/google": "3.0.73",
        "@ai-sdk/google-vertex": "4.0.128",
        "@ai-sdk/groq": "3.0.31",
        "@ai-sdk/mistral": "3.0.51",
-        "@ai-sdk/openai": "3.0.84",
        "@ai-sdk/openai-compatible": "2.0.41",
        "@ai-sdk/perplexity": "3.0.26",
        "@ai-sdk/provider": "3.0.8",
        "@ai-sdk/provider-utils": "4.0.23",
        "@ai-sdk/togetherai": "2.0.41",
        "@ai-sdk/vercel": "2.0.39",
-        "@ai-sdk/xai": "3.0.102",
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        "@effect/platform-node": "catalog:",
        "@effect/sql-sqlite-bun": "catalog:",
@@ -386,7 +379,6 @@
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        "@opencode-ai/schema": "workspace:*",
        "@opencode-ai/util": "workspace:*",
-        "@openrouter/ai-sdk-provider": "2.9.0",
        "@parcel/watcher": "2.5.1",
        "@silvia-odwyer/photon-node": "0.3.4",
        "@standard-schema/spec": "catalog:",
@@ -497,18 +489,6 @@
        "@typescript/native-preview": "catalog:",
      },
    },
-    "packages/effect-sqlite-node": {
-      "name": "@opencode-ai/effect-sqlite-node",
-      "version": "1.18.8",
-      "dependencies": {
-        "effect": "catalog:",
-      },
-      "devDependencies": {
-        "@tsconfig/bun": "catalog:",
-        "@types/node": "catalog:",
-        "@typescript/native-preview": "catalog:",
-      },
-    },
    "packages/enterprise": {
      "name": "@opencode-ai/enterprise",
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@@ -911,7 +891,6 @@
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        "@solid-primitives/event-bus": "1.1.2",
        "clipboardy": "4.0.0",
-        "diff": "catalog:",
        "effect": "catalog:",
        "fuzzysort": "catalog:",
        "get-east-asian-width": "catalog:",
@@ -1038,7 +1017,6 @@
        "@shikijs/transformers": "3.20.0",
        "@solid-primitives/resize-observer": "2.1.5",
        "@types/luxon": "catalog:",
-        "ai": "catalog:",
        "astro": "5.7.13",
        "diff": "catalog:",
        "js-base64": "3.7.7",
@@ -1084,17 +1062,16 @@
    "tree-sitter-bash",
  ],
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    "@pierre/trees@1.0.0-beta.4": "patches/@pierre%2Ftrees@1.0.0-beta.4.patch",
    "effect@4.0.0-beta.101": "patches/effect@4.0.0-beta.101.patch",
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    "@modelcontextprotocol/sdk@1.29.0": "patches/@modelcontextprotocol%2Fsdk@1.29.0.patch",
    "@tanstack/virtual-core@3.17.3": "patches/@tanstack%2Fvirtual-core@3.17.3.patch",
+    "@ai-sdk/google@3.0.73": "patches/@ai-sdk%2Fgoogle@3.0.73.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
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    "@npmcli/agent@4.0.2": "patches/@npmcli%2Fagent@4.0.2.patch",
    "@silvia-odwyer/photon-node@0.3.4": "patches/@silvia-odwyer%2Fphoton-node@0.3.4.patch",
-    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
-    "@ai-sdk/google@3.0.73": "patches/@ai-sdk%2Fgoogle@3.0.73.patch",
  },
  "overrides": {
    "@opentui/core": "catalog:",
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@@ -2078,8 +2055,6 @@

    "@opencode-ai/effect-drizzle-sqlite": ["@opencode-ai/effect-drizzle-sqlite@workspace:packages/effect-drizzle-sqlite"],

-    "@opencode-ai/effect-sqlite-node": ["@opencode-ai/effect-sqlite-node@workspace:packages/effect-sqlite-node"],
-
    "@opencode-ai/enterprise": ["@opencode-ai/enterprise@workspace:packages/enterprise"],

    "@opencode-ai/function": ["@opencode-ai/function@workspace:packages/function"],
@@ -4944,7 +4919,7 @@

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@@ -5962,12 +5937,8 @@

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-
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@@ -5982,6 +5953,8 @@

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+
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@@ -5990,6 +5963,8 @@

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    "@ai-sdk/xai/@ai-sdk/openai-compatible": ["@ai-sdk/openai-compatible@2.0.56", "", { "dependencies": { "@ai-sdk/provider": "3.0.13", "@ai-sdk/provider-utils": "4.0.35" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-cQrN6OUn/jvsY3OdsU6Wn+ss7vp1iwIcakZKSlSRMnYqShBfyT7Qht+eqmgxs7w9ttrw6FAG6o11AiBs+iEsTA=="],
@@ -6340,8 +6319,6 @@

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-    "@opencode-ai/app/@opencode-ai/sdk": ["@opencode-ai/sdk@vendor/opencode-ai-sdk-1.18.8-dev.tgz", { "dependencies": { "cross-spawn": "7.0.6" } }, "sha512-C2nfk4x0sPINwE5V6DPkFSuH3PkUmKPWHPzxpXC1j+3Ui5hslLCWJbkk8WcOG1Lyt3C0+yp4ea64v/kmtYCO4w=="],
-
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@@ -6350,10 +6327,6 @@

    "@opencode-ai/console-mail/@types/react": ["@types/react@18.0.25", "", { "dependencies": { "@types/prop-types": "*", "@types/scheduler": "*", "csstype": "^3.0.2" } }, "sha512-xD6c0KDT4m7n9uD4ZHi02lzskaiqcBxf4zi+tXZY98a04wvc0hi/TcCPC2FOESZi51Nd7tlUeOJY8RofL799/g=="],

-    "@opencode-ai/core/@ai-sdk/openai": ["@ai-sdk/openai@3.0.84", "", { "dependencies": { "@ai-sdk/provider": "3.0.14", "@ai-sdk/provider-utils": "4.0.38" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-cmgbeJL0bbY0yTJH4/AdmP5E7MjWRL9G8UdhIi0JlV/So03o82ORJofW8OzwCZPTORVQblFbpZXYGDcUd9NdUQ=="],
-
-    "@opencode-ai/core/@ai-sdk/openai-compatible": ["@ai-sdk/openai-compatible@2.0.41", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.23" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-kNAGINk71AlOXx10Dq/PXw4t/9XjdK8uxfpVElRwtSFMdeSiLVt58p9TPx4/FJD+hxZuVhvxYj9r42osxWq79g=="],
-
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@@ -6578,6 +6551,8 @@

    "babel-plugin-module-resolver/glob": ["glob@9.3.5", "", { "dependencies": { "fs.realpath": "^1.0.0", "minimatch": "^8.0.2", "minipass": "^4.2.4", "path-scurry": "^1.6.1" } }, "sha512-e1LleDykUz2Iu+MTYdkSsuWX8lvAjAcs0Xef0lNIu0S2wOAzuTxCJtcd9S3cijlwYF18EsU3rzb8jPVobxDh9Q=="],

+    "blume/@ai-sdk/openai-compatible": ["@ai-sdk/openai-compatible@2.0.37", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.21" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-+POSFVcgiu47BK64dhsI6OpcDC0/VAE2ZSaXdXGNNhpC/ava++uSRJYks0k2bpfY0wwCTgpAWZsXn/dG2Yppiw=="],
+
    "blume/@astrojs/mdx": ["@astrojs/mdx@7.0.3", "", { "dependencies": { "@astrojs/internal-helpers": "0.10.1", "@astrojs/markdown-remark": "7.2.1", "@mdx-js/mdx": "^3.1.1", "acorn": "^8.16.0", "es-module-lexer": "^2.0.0", "estree-util-visit": "^2.0.0", "hast-util-to-html": "^9.0.5", "piccolore": "^0.1.3", "rehype-raw": "^7.0.0", "remark-gfm": "^4.0.1", "remark-smartypants": "^3.0.2", "source-map": "^0.7.6", "unist-util-visit": "^5.1.0", "vfile": "^6.0.3" }, "peerDependencies": { "@astrojs/markdown-satteri": "^0.3.1", "astro": "^7.0.0" }, "optionalPeers": ["@astrojs/markdown-satteri"] }, "sha512-RxyIwU0uFam5ftwqKOjpIdhnFxZ/kEikeimLyQy3eGXbHT8WgRGzzesOIHVU8+m9TY8ag5WVOyvV24/GyqPdPQ=="],

    "blume/@clack/prompts": ["@clack/prompts@1.7.0", "", { "dependencies": { "@clack/core": "1.4.3", "fast-string-width": "^3.0.2", "fast-wrap-ansi": "^0.2.0", "sisteransi": "^1.0.5" } }, "sha512-y7/yvZ2TPAnR9+jnc00klvNNLkJiXFFrQA/hlLCcxA9a2A4zQIOimyFQ9XfwYKiGD1fb5GY8vbKIIgO8d5Tb2A=="],
@@ -6714,8 +6689,6 @@

    "gcp-metadata/google-logging-utils": ["google-logging-utils@1.1.3", "", {}, "sha512-eAmLkjDjAFCVXg7A1unxHsLf961m6y17QFqXqAXGj/gVkKFrEICfStRfwUlGNfeCEjNRa32JEWOUTlYXPyyKvA=="],

-    "gitlab-ai-provider/openai": ["openai@6.49.0", "", { "peerDependencies": { "@aws-sdk/credential-provider-node": ">=3.972.0 <4", "@smithy/hash-node": ">=4.3.0 <5", "@smithy/signature-v4": ">=5.4.0 <6", "ws": "^8.18.0", "zod": "^3.25 || ^4.0" }, "optionalPeers": ["@aws-sdk/credential-provider-node", "@smithy/hash-node", "@smithy/signature-v4", "ws", "zod"] }, "sha512-aYCc0C6L864eR6WSYIwQGyXriw/nIyZx0ObvhzOEVuk0zoBDpynjSbrionWI7q65B5H8jJX0DXR9snEzM6bfPg=="],
-
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    "globby/ignore": ["ignore@5.3.2", "", {}, "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g=="],
@@ -7380,10 +7353,6 @@

    "@octokit/rest/@octokit/core/before-after-hook": ["before-after-hook@4.0.0", "", {}, "sha512-q6tR3RPqIB1pMiTRMFcZwuG5T8vwp+vUvEG0vuI6B+Rikh5BfPp2fQ82c925FOs+b0lcFQ8CFrL+KbilfZFhOQ=="],

-    "@opencode-ai/core/@ai-sdk/openai/@ai-sdk/provider": ["@ai-sdk/provider@3.0.14", "", { "dependencies": { "json-schema": "^0.4.0" } }, "sha512-5X1k57JBJ4H7H1QjX7CnJYAB1I19r/trVZTMcSms7/kLNZ8RaU4Nt2agcwZzv82Hfx6Q7/TOLU7agAKeFfc8cA=="],
-
-    "@opencode-ai/core/@ai-sdk/openai/@ai-sdk/provider-utils": ["@ai-sdk/provider-utils@4.0.38", "", { "dependencies": { "@ai-sdk/provider": "3.0.14", "@standard-schema/spec": "^1.1.0", "eventsource-parser": "^3.0.8" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-/HHGmtKllqjg1OLc023v9w9kK3laW7Z6TzfZukYQWCsGBbzB9p60zTvvpXFVcs44NZBVXL3viOa1HRKUbeee8g=="],
-
    "@opencode-ai/desktop/@actions/artifact/@actions/core": ["@actions/core@1.11.1", "", { "dependencies": { "@actions/exec": "^1.1.1", "@actions/http-client": "^2.0.1" } }, "sha512-hXJCSrkwfA46Vd9Z3q4cpEpHB1rL5NG04+/rbqW9d3+CSvtB1tYe8UTpAlixa1vj0m/ULglfEK2UKxMGxCxv5A=="],

    "@opencode-ai/desktop/@actions/artifact/@actions/http-client": ["@actions/http-client@2.2.3", "", { "dependencies": { "tunnel": "^0.0.6", "undici": "^5.25.4" } }, "sha512-mx8hyJi/hjFvbPokCg4uRd4ZX78t+YyRPtnKWwIl+RzNaVuFpQHfmlGVfsKEJN8LwTCvL+DfVgAM04XaHkm6bA=="],
@@ -7620,6 +7589,8 @@

    "babel-plugin-module-resolver/glob/path-scurry": ["path-scurry@1.11.1", "", { "dependencies": { "lru-cache": "^10.2.0", "minipass": "^5.0.0 || ^6.0.2 || ^7.0.0" } }, "sha512-Xa4Nw17FS9ApQFJ9umLiJS4orGjm7ZzwUrwamcGQuHSzDyth9boKDaycYdDcZDuqYATXw4HFXgaqWTctW/v1HA=="],

+    "blume/@ai-sdk/openai-compatible/@ai-sdk/provider-utils": ["@ai-sdk/provider-utils@4.0.21", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@standard-schema/spec": "^1.1.0", "eventsource-parser": "^3.0.6" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-MtFUYI1/8mgDvRmaBDjbLJPFFrMG777AvSgyIFQtZHIMzm88R/12vYBBpnk7pfiWLFE1DSZzY4WDYzGbKAcmiw=="],
+
    "blume/@astrojs/mdx/@astrojs/internal-helpers": ["@astrojs/internal-helpers@0.10.1", "", { "dependencies": { "@types/hast": "^3.0.4", "@types/mdast": "^4.0.4", "js-yaml": "^4.1.1", "picomatch": "^4.0.4", "retext-smartypants": "^6.2.0", "shiki": "^4.0.2", "smol-toml": "^1.6.0", "unified": "^11.0.5" } }, "sha512-5phcroT/vmOOrYuuAxtkbPixy5hePtlz9i8K4OeDv3dNK6/UQRuXPOSRTxIOBbUY5Sonw2UaxjbuVc43Mcir6Q=="],

    "blume/@astrojs/mdx/@astrojs/markdown-remark": ["@astrojs/markdown-remark@7.2.1", "", { "dependencies": { "@astrojs/internal-helpers": "0.10.1", "@astrojs/prism": "4.0.2", "github-slugger": "^2.0.0", "hast-util-from-html": "^2.0.3", "hast-util-to-text": "^4.0.2", "mdast-util-definitions": "^6.0.0", "rehype-raw": "^7.0.0", "rehype-stringify": "^10.0.1", "remark-gfm": "^4.0.1", "remark-parse": "^11.0.0", "remark-rehype": "^11.1.2", "remark-smartypants": "^3.0.2", "unified": "^11.0.5", "unist-util-remove-position": "^5.0.0", "unist-util-visit": "^5.1.0", "unist-util-visit-parents": "^6.0.2", "vfile": "^6.0.3" } }, "sha512-jPVNIqTvk+yKviikszv/Y1U4jGUSKpp/Nw48QZV4qjWgp70j4Lkq3lhSDRbWwCfgKvEyO9GHuVbV1dM2WYXy1w=="],
@@ -5,8 +5,27 @@
 - Use the `dev` branch database schema and migration registry as the V1 baseline.
 - Remove migrations that exist only on the V2 branch.
 - Generate one canonical migration from the `dev` schema to the final V2 schema.
- Add explicit data operations to that migration where generated DDL is insufficient.
- Test the migration against a populated database at the exact `dev` schema.
+- Keep the canonical migration focused on schema changes and dropping obsolete tables.
+- Run the V1 history backfill through an experimental server endpoint invoked by the CLI before it opens the TUI.
+- Show committed session progress while the endpoint runs.
+
+Expose `GET /api/experimental/migration/v1` for status and a blocking `POST /api/experimental/migration/v1` to run or
+resume the backfill. The status is `required`, `running`, or `completed`. On startup, the CLI checks status first and
+renders no migration UI when it is already complete. For required or running status, it shows a spinner and waits for the
+blocking POST without a request timeout. While migration runs, poll GET once per second and render completed and total
+session counts. GET derives total from all session rows and completed from rows through the stored cursor; the count
+advances only after a session transaction commits. The POST returns `{ status: "completed" }`. Do not add a background
+job or streaming progress protocol. Interrupted calls resume from the stored cursor.
+Initially, only interactive TUI startup performs this check; noninteractive run, ACP, raw API, service, health, version,
+and help flows do not trigger the backfill.
+
+Keep migration behavior in Core: status, semaphore, checkpointing, V1 decoding, transformation, and database writes.
+Protocol owns the experimental GET/POST contracts, Server handlers delegate to Core, and the interactive CLI owns only
+the status check and spinner presentation.
+
+Guard the endpoint with one process-local Effect `Semaphore`. Concurrent callers wait; after the active call completes,
+waiting callers acquire the permit, observe the completion key, and return immediately. No distributed lock is required
+for the current single elected server process.

 ## Preserve

@@ -15,20 +34,35 @@ The canonical V1 data remains in its existing tables. In particular, preserve `s
 Preserve `workspace` rows and existing `session.workspace_id` values unchanged. The migration must not clear or rebuild
 workspace relationships.

-Keep the `todo` table and its data unchanged. V2 does not currently migrate todos into another representation, and the
-generated migration must not drop the table.
+Preserve existing non-null `session.agent` and `session.model` selections. Fill missing values from the latest ordinary
+V1 user message ordered by `time_created` and `id`, excluding compaction and subtask-only messages. Copy agent, provider
+ID, model ID, and variant, normalizing an absent variant to `default`.

-## Truncate
+Recompute session usage aggregates from all canonical V1 assistant messages, including compaction or other internal
+assistants omitted from the V2 projection. Overwrite session cost and input, output, reasoning, cache-read, and
+cache-write token totals with those sums.

-Truncate these pre-launch V2 tables before applying schema changes:
+Clear persisted `session.revert` state. A staged revert is transient operational state and may refer to omitted projection
+rows or unavailable snapshots; it must not resume automatically after upgrading. Preserve the underlying messages,
+parts, and file history.

- `event`
- `event_sequence`
- `session_message`
+Clear `session.time_compacting`, leave the new `time_suspended` column as `NULL`, and preserve session creation, update,
+and archive timestamps. Preserve project `time_initialized`; it is unrelated durable state.

-These rows are not canonical V1 data. Truncating `event` before adding the required `event.created` column means the
-column needs neither a backfill nor a default. After truncation, rebuild `session_message` from canonical V1 `message`
-and `part` rows rather than retaining its pre-launch V2 contents.
+Keep the legacy `todo` table and its data physically unchanged, but do not include it in the final V2 Drizzle schema.
+After generation, remove the generated `DROP TABLE todo` statement from the canonical migration so the table remains as
+unmanaged legacy storage.
+
+## Per-Session Replacement
+
+Do not truncate `event`, `event_sequence`, or `session_message` globally before the backfill. A whole-table delete can
+hold SQLite's writer lock long enough to block the running TUI.
+
+Replace each legacy session's V2 state inside that session's checkpointed migration transaction. Delete `event` rows for
+the session aggregate, delete its `session_message` rows, rebuild its projection from canonical V1 `message` and `part`
+rows, and overwrite its `event_sequence` watermark. If migration of that session fails, all replacements roll back and
+the durable cursor remains at the previously committed session. Rows owned by sessions outside the legacy migration set
+remain untouched.

 ## Message Backfill

@@ -36,9 +70,23 @@ Backfill canonical V1 history from `message` and `part` into `session_message`.
 the migration. Preserving the V1 tables alone keeps the data safe but does not make existing history visible through the
 V2 session APIs, which read `session_message`.

+Do not fail the whole migration when a V1 message or part payload cannot be decoded. Skip an undecodable message's V2
+projection and log its session and message IDs. Skip an undecodable part while continuing to map its message, and perform
+special-message pairing only with decoded rows. Assign sequences after filtering. Leave every malformed source row
+untouched in the V1 tables.
+
+Skip and log orphan parts whose source message does not exist and parts with unknown or unsupported types. Continue
+migrating the owning message and other valid parts. Include session, message, part ID, and observed type in warnings, and
+leave skipped source rows unchanged.
+
 Reuse each V1 `message.id` as the corresponding `session_message.id`. Stable IDs keep the migration deterministic and
 avoid rewriting other persisted state that may refer to a message.

+For ordinary user and assistant rows, preserve source `message.time_created` and `message.time_updated`. Entirely
+synthetic messages preserve their source timestamps, and synthetic rows split from mixed messages use the source user
+timestamps. A collapsed compaction uses the compaction user creation time and the later update time of the compaction
+user and summary assistant. Keep payload creation/completion times consistent with row timestamps.
+
 Within each session, order V1 messages by `time_created` and then `id`, matching the existing V1 message index. Assign
 contiguous `session_message.seq` values starting at `0`.

@@ -46,15 +94,122 @@ Map ordinary V1 messages one-to-one by role. Each ordinary V1 user message becom
 V1 assistant message becomes one V2 `assistant` row. Fold the source message's ordered V1 parts into that row's V2
 payload.

+Keep ordinary messages even when their transformed payload becomes empty after filtering. Preserve an empty V2 user row
+with `text: ""` and an empty V2 assistant row with `content: []` so IDs, chronology, and conversation structure remain
+stable. Omit only explicitly dropped internal concepts and undecodable messages.
+
 Handle semantic marker parts before applying the ordinary mapping. In particular, a V1 user message containing a
 `compaction` part and its paired assistant summary represent one compaction operation, not two ordinary messages. Special
 part mappings must be decided explicitly before implementing the backfill.

+Do not carry the V1 subtask concept into the V2 projection. Omit user messages containing only `subtask` parts and omit
+the paired assistant task-tool messages generated from those markers. For mixed user messages, ignore the `subtask`
+parts while preserving ordinary content, and still omit assistant task-tool messages generated by the skipped subtasks.
+Keep all source rows unchanged in the V1 `message` and `part` tables.
+
+Map ordinary V1 assistant `text` and `reasoning` parts into the V2 assistant `content` array in part order. Preserve text,
+including empty assistant text parts used as structural separators. Map V1 part metadata to optional V2 provider state.
+For reasoning, map `time.start` to `time.created` and optional `time.end` to `time.completed`.
+
+Preserve V1 tool parts that are `pending` or `running`, but convert them to terminal V2 tool error states. Preserve the
+call ID, tool name, parsed input, metadata, and available start time. Use the assistant message creation time when the V1
+state has no start time. Set the error to type `tool.interrupted` with message
+`Tool execution was interrupted before V2 migration`. Never resume migrated tool executions.
+
+For a completed V1 tool part, use `callID` as the V2 tool content ID and preserve the tool name and parsed input. Set the
+state to `completed`. Convert V1 output into the first text content item and convert stored output attachments into
+following file content items with their URI, MIME type, and filename. Preserve state metadata. Map `time.start` to
+`time.created` and `time.end` to `time.completed`. When `time.compacted` exists, use
+`[Old tool result content cleared]` as the only output and omit attachments.
+
+For a failed V1 tool part, preserve the call ID, tool name, parsed input, metadata, and timestamps, and set the V2 state
+to `error`. Convert the V1 error string to a structured error with type `tool.execution`. If V1 metadata contains a string
+`output`, preserve it as optional V2 text content. Map `time.start` to `time.created` and `time.end` to `time.completed`.
+
+For an ordinary V1 assistant message, preserve agent, provider ID, model ID, optional variant, creation and completion
+times, cost, and input/output/reasoning/cache token counts. Use `default` when the V1 variant is absent. Ignore V1
+`tokens.total` because it is derivable and V2 does not persist it.
+
+Use V1 assistant `parentID` only while pairing compactions and skipped subtasks with their originating user messages. Do
+not persist it in ordinary V2 assistant rows; V2 uses ordered history rather than user/assistant parent links.
+
+Ignore the optional V1 assistant `structured` output value. V2 has no equivalent top-level assistant field, and visible
+text and tool content are migrated separately. Retain the original structured value only in the V1 `message` row.
+
+Ignore V1 assistant `mode` and historical `path` (`cwd` and `root`). Mode is redundant with the preserved assistant
+agent, and historical filesystem paths do not belong to the V2 assistant message contract. Retain them only in the V1
+`message` row.
+
+For assistant finish reasons, preserve `stop`, `length`, `tool-calls`, `content-filter`, `error`, and `unknown`. Map every
+other nonempty V1 finish value to `unknown`, and leave the field absent when V1 omitted it. Do not retain unrecognized raw
+finish values in metadata.
+
+Map V1 assistant errors into the current V2 `{ type, message }` storage shape. Normalize Auth, content-filter, context
+overflow, structured-output, output-length, aborted, API, and unknown errors to the established V2 string conventions,
+preserve the message, and discard V1-only retryability and raw provider details.
+
+Ignore V1 `retry` parts. Do not populate the V2 assistant `retry` field during migration; historical retry state is not
+useful enough to preserve. The original retry rows remain in the V1 `part` table.
+
+Do not emit V2 assistant content for V1 `step-start` and `step-finish` parts. Use the first available
+`step-start.snapshot` as `assistant.snapshot.start` and the last available `step-finish.snapshot` as
+`assistant.snapshot.end`. Continue to source finish, cost, and tokens from the assistant message itself. Ignore step
+markers without snapshots.
+
+Do not emit assistant content for standalone V1 `snapshot` or `patch` parts. If no start snapshot came from `step-start`,
+use the first standalone snapshot value, then the first patch hash as a final fallback. Only `step-finish.snapshot` may
+populate the end snapshot. Merge patch file lists into `assistant.snapshot.files` in first-seen order with duplicates
+removed.
+
+V2 follow-up: replace the open `SessionError.Error` string shape with a properly typed persisted error union. This is not
+a blocker for the V1 migration, which should target the current storage contract.
+
 V1 synthetic content is represented by user text parts with `synthetic: true`, not by a separate message role. A V1 user
 message whose visible text parts are all synthetic should become a V2 `synthetic` message. If a V1 user message mixes
 ordinary and synthetic content, preserve the ordinary content in the V2 `user` row and emit the synthetic content as an
 adjacent V2 `synthetic` row. Ignore text parts marked `ignored`, matching V1 model-history behavior.

+For an ordinary V2 user message, take visible V1 text parts that are neither ignored nor synthetic, preserve part order,
+and join their text with `"\n\n"`. Use an empty string when the message contains attachments but no ordinary text.
+
+Ignore the optional V1 user-message `system` override. Do not create a V2 system message or preserve the override in
+metadata. The original value remains in the V1 `message` row.
+
+Ignore the optional V1 user-message `tools` map. It represented request-time tool enablement for a historical step and
+must not affect future V2 execution. The original value remains in the V1 `message` row.
+
+Ignore the optional V1 user-message `format` field and its schema. It controlled structured-output behavior for a
+historical request and must not affect future V2 runs. Preserve visible assistant text normally; retain the original
+format only in the V1 `message` row.
+
+Ignore V1 user-message `summary` metadata, including title, body, and diffs. V2 user messages have no equivalent field,
+and session-level summary data is already persisted separately. Retain the original summary only in the V1 `message`
+row.
+
+Map V1 `agent` parts into the V2 user message's `agents` array in part order. Preserve `name`. When the V1 part has
+`source`, map its `value`, `start`, and `end` into the V2 attachment's `mention.text`, `mention.start`, and `mention.end`.
+Omit `agents` when there are no agent parts.
+
+Do not read the filesystem or network while migrating V1 file attachments. Attachment migration must be deterministic
+from database contents alone. Convert persisted `data:` URLs; represent non-embedded `file:`, HTTP, and other external
+URLs with deterministic text rather than fetching them. Keep the original V1 `part` rows unchanged.
+
+For a V1 file backed by a `data:` URL, decode the URL and normalize its payload to base64 for the V2 attachment's `data`.
+Preserve `mime` and optional `filename` as `name`. Use a V2 `uri` source with the original URI for a V1 resource source;
+otherwise use an `inline` source. When V1 source text metadata exists, map its `value`, `start`, and `end` into the V2
+attachment mention. Leave `description` unset and preserve file-part order in the V2 `files` array.
+
+For a non-embedded V1 file, do not create a V2 file attachment. Append
+`[Attachment unavailable after migration: <name-or-url> (<mime>)]` to the V2 user text in original part order, separated
+by blank lines. Prefer the V1 filename, then resource URI, then part URL for the label. The original URL remains only in
+the preserved V1 `part` row.
+
+For a synthetic row split from a mixed user message, derive a generated-looking ID from the source message ID. Preserve
+the source ID's 12-character timestamp component and replace its 14-character random component with a deterministic
+base-62 encoding of a hash of `v1-synthetic:` plus the source message ID. If that candidate collides with an existing or
+derived message ID, deterministically retry with an incrementing salt. Place the synthetic row immediately after its
+source user row. Entirely synthetic messages continue to reuse their original message ID.
+
 Use the V1 compaction user message ID as the ID of the collapsed V2 compaction message. This matches V2's use of the
 admitted compaction input ID and preserves references to the initiating message.

@@ -64,9 +219,13 @@ serialize the retained V1 tail beginning at `tail_start_id` for `recent`. Use an
 retained, and use the compaction user message creation time. Do not emit the paired summary assistant as a separate V2
 assistant row.

-After rebuilding `session_message`, seed `event_sequence` with one row per migrated session. Set its watermark to that
-session's maximum backfilled `session_message.seq`. This prevents new V2 events from reusing sequence numbers or sorting
-before migrated history. The `event` table remains empty.
+Do not project incomplete or failed V1 compactions into `session_message`. Omit both the internal compaction user marker
+and its paired summary assistant when no successful summary was completed. Assign final sequence numbers after filtering
+so omitted compactions leave no gaps. Their source rows remain preserved in the V1 `message` and `part` tables.
+
+After rebuilding a session's `session_message`, replace its `event_sequence` watermark with that session's maximum
+backfilled `session_message.seq`. This prevents new V2 events from reusing sequence numbers or sorting before migrated
+history. The migrated session's prior `event` rows are removed in the same transaction.

 ## Drop

@@ -74,6 +233,7 @@ Drop these pre-launch V2 tables without preserving or transforming their rows:

 - `session_input`
 - `session_context_epoch`
+- `data_migration`

 Do not transfer `session_input` rows into `session_pending`.

@@ -103,16 +263,36 @@ schema.
 New nullable session columns, including `fork_session_id`, `fork_boundary`, and `time_suspended`, require no explicit
 backfill. Existing rows naturally receive `NULL` when the generated migration adds the columns.

-## Verification
+## Execution

-The canonical migration test should seed representative V1 sessions, messages, parts, todos, projects, accounts,
-credentials, permissions, shares, and workspaces. After migration, it should verify:
+Before transforming V1 rows, look for `opencode-next.db` in the data directory. This file was used by pre-launch V2
+builds. Open it read-only with Bun SQLite and copy its `project`, `session`, and `session_message` rows directly into the
+current `project`, `session_v2`, and `session_message` tables. Existing current projects and Sessions win ID collisions.
+Do not copy its durable events or runtime caches; initialize each imported Session's `event_sequence` watermark from its
+maximum message sequence. Commit each imported Session independently and leave the source database untouched.

- Preserved rows and encoded values remain unchanged.
- Todo rows remain available in the unchanged `todo` table.
- `event` is empty, and stale pre-launch rows are absent from the rebuilt projections.
- Backfilled `session_message` rows represent the canonical V1 `message` and `part` history.
- Each migrated session's `event_sequence` watermark matches its maximum backfilled message sequence.
- Dropped tables no longer exist.
- New tables exist and are empty.
- The final schema has no ungenerated changes.
+The previous V2 import is part of this migration and uses the same completion marker. It needs no source-specific cursor:
+the destination Session row is the per-Session idempotency boundary, so a retry skips transactions that already committed.
+
+Store V1 backfill state in `kv`; do not retain a dedicated `data_migration` table. Store the last successfully migrated
+session ID under `migration.v1-v2.session.cursor` and write `migration.v1-v2.completed` with value `true` after every
+session finishes. Delete the cursor key on completion and return immediately on later calls when the completion key
+exists.
+
+Absence of the completion key means migration is required, including on a fresh database. Running the endpoint against a
+database with no sessions completes immediately and writes the completion key; fresh database initialization does not
+seed migration state specially.
+
+Process sessions in stable ID order. Rebuild one session in one transaction, including its `session_message` rows,
+session-level backfills, `event_sequence` watermark, and cursor update. If interrupted during a session, that transaction
+rolls back and the next endpoint call retries the same session. If it committed, the next call continues after the stored
+cursor. Mark the migration complete after the final session and return immediately on later calls.
+
+Ensure the global project exists using the current platform's filesystem root as its worktree. Process every `session`
+row, including archived, root, child, and empty sessions, as well as sessions whose messages are all skipped or internal.
+Reassign beta and V1 Sessions whose referenced project row is missing to the global project and log a warning. Each
+successfully committed session advances the cursor.
+
+## Testing
+
+Detailed migration test design is deferred until after the canonical migration is implemented.
@@ -161,7 +161,6 @@
    "@silvia-odwyer/photon-node@0.3.4": "patches/@silvia-odwyer%2Fphoton-node@0.3.4.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
-    "@ai-sdk/xai@3.0.102": "patches/@ai-sdk%2Fxai@3.0.102.patch",
    "@ai-sdk/mistral@3.0.51": "patches/@ai-sdk%2Fmistral@3.0.51.patch",
    "gcp-metadata@8.1.2": "patches/gcp-metadata@8.1.2.patch",
    "pacote@21.5.0": "patches/pacote@21.5.0.patch",
@@ -444,6 +444,7 @@ const mapUsage = (usage: GeminiUsage | undefined) => {
 }

 const mapFinishReason = (finishReason: string | undefined, hasToolCalls: boolean): FinishReason => {
+  if (finishReason === undefined) return hasToolCalls ? "tool-calls" : "unknown"
  if (finishReason === "STOP") return hasToolCalls ? "tool-calls" : "stop"
  if (finishReason === "MAX_TOKENS") return "length"
  if (
@@ -67,6 +67,12 @@ const OpenAIChatAssistantToolCall = Schema.Struct({
 })
 type OpenAIChatAssistantToolCall = Schema.Schema.Type<typeof OpenAIChatAssistantToolCall>

+// Intentionally omit Gemini's provider-specific `extra_content.google.thought_signature`
+// extension until direct Google OpenAI-compatible routing is supported here:
+// https://github.com/vercel/ai/issues/11590
+// https://github.com/vercel/ai/pull/11745
+// https://ai.google.dev/gemini-api/docs/thought-signatures#openai
+
 const OpenAIChatUserContent = Schema.Union([
  Schema.Struct({
    type: Schema.Literal("text"),
@@ -145,22 +151,33 @@ export type OpenAIChatBody = Schema.Schema.Type<typeof OpenAIChatBody>
 // The event schema is one decoded SSE `data:` payload. `Framing.sse` splits the
 // byte stream into strings, then `Protocol.jsonEvent` decodes each string into
 // this provider-native event shape.
-const OpenAIChatUsage = Schema.Struct({
-  prompt_tokens: Schema.optional(Schema.Number),
-  completion_tokens: Schema.optional(Schema.Number),
-  total_tokens: Schema.optional(Schema.Number),
-  prompt_tokens_details: optionalNull(
-    Schema.Struct({
-      cached_tokens: Schema.optional(Schema.Number),
-      cache_write_tokens: Schema.optional(Schema.Number),
-    }),
-  ),
-  completion_tokens_details: optionalNull(
-    Schema.Struct({
-      reasoning_tokens: Schema.optional(Schema.Number),
-    }),
-  ),
-})
+const OpenAIChatUsage = Schema.StructWithRest(
+  Schema.Struct({
+    prompt_tokens: optionalNull(Schema.Number),
+    completion_tokens: optionalNull(Schema.Number),
+    total_tokens: optionalNull(Schema.Number),
+    prompt_tokens_details: optionalNull(
+      Schema.StructWithRest(
+        Schema.Struct({
+          cached_tokens: optionalNull(Schema.Number),
+          cache_write_tokens: optionalNull(Schema.Number),
+        }),
+        [Schema.Record(Schema.String, Schema.Unknown)],
+      ),
+    ),
+    completion_tokens_details: optionalNull(
+      Schema.StructWithRest(
+        Schema.Struct({
+          reasoning_tokens: optionalNull(Schema.Number),
+          accepted_prediction_tokens: optionalNull(Schema.Number),
+          rejected_prediction_tokens: optionalNull(Schema.Number),
+        }),
+        [Schema.Record(Schema.String, Schema.Unknown)],
+      ),
+    ),
+  }),
+  [Schema.Record(Schema.String, Schema.Unknown)],
+)

 const OpenAIChatToolCallDeltaFunction = Schema.Struct({
  name: optionalNull(Schema.String),
@@ -168,7 +185,7 @@ const OpenAIChatToolCallDeltaFunction = Schema.Struct({
 })

 const OpenAIChatToolCallDelta = Schema.Struct({
-  index: Schema.Number,
+  index: optionalNull(Schema.Number),
  id: optionalNull(Schema.String),
  function: optionalNull(OpenAIChatToolCallDeltaFunction),
 })
@@ -222,6 +239,8 @@ export interface ParserState {
  readonly reasoningDetails: Array<unknown>
  readonly reasoningDetailsObserved: boolean
  readonly reasoningEmitted: boolean
+  readonly latestToolIndex?: number
+  readonly nextToolIndex: number
 }

 // =============================================================================
@@ -559,22 +578,34 @@ const mapFinishReason = (reason: string | null | undefined): FinishReason => {
 // satisfied on both sides.
 const mapUsage = (usage: OpenAIChatEvent["usage"]): Usage | undefined => {
  if (!usage) return undefined
-  const cached = usage.prompt_tokens_details?.cached_tokens
-  const cacheWrite = usage.prompt_tokens_details?.cache_write_tokens
-  const reasoning = usage.completion_tokens_details?.reasoning_tokens
-  const nonCached = ProviderShared.subtractTokens(usage.prompt_tokens, ProviderShared.sumTokens(cached, cacheWrite))
+  const input = usage.prompt_tokens ?? undefined
+  const output = usage.completion_tokens ?? undefined
+  const cached = usage.prompt_tokens_details?.cached_tokens ?? undefined
+  const cacheWrite = usage.prompt_tokens_details?.cache_write_tokens ?? undefined
+  const reasoning = usage.completion_tokens_details?.reasoning_tokens ?? undefined
+  const nonCached = ProviderShared.subtractTokens(input, ProviderShared.sumTokens(cached, cacheWrite))
  return new Usage({
-    inputTokens: usage.prompt_tokens,
-    outputTokens: usage.completion_tokens,
+    inputTokens: input,
+    outputTokens: output,
    nonCachedInputTokens: nonCached,
    cacheReadInputTokens: cached,
    cacheWriteInputTokens: cacheWrite,
    reasoningTokens: reasoning,
-    totalTokens: ProviderShared.totalTokens(usage.prompt_tokens, usage.completion_tokens, usage.total_tokens),
+    totalTokens: ProviderShared.totalTokens(input, output, usage.total_tokens ?? undefined),
    providerMetadata: { openai: usage },
  })
 }

+const toolIndexByID = (
+  tools: ParserState["tools"],
+  pendingTools: ParserState["pendingTools"],
+  id: string | undefined,
+) => {
+  if (!id) return undefined
+  const entry = Object.entries({ ...pendingTools, ...tools }).find(([, tool]) => tool?.id === id)
+  return entry ? Number(entry[0]) : undefined
+}
+
 const reasoningDelta = (
  delta: Schema.Schema.Type<typeof OpenAIChatDelta> | null | undefined,
  configuredField?: string,
@@ -657,17 +688,34 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
    const events: LLMEvent[] = []
    const usage = mapUsage(event.usage) ?? state.usage
    const choice = event.choices?.[0]
-    const finishReason = choice?.finish_reason
-      ? { normalized: mapFinishReason(choice.finish_reason), raw: choice.native_finish_reason ?? choice.finish_reason }
-      : state.finishReason
+    const rawFinishReason = choice?.finish_reason
+    const finishReason =
+      rawFinishReason !== undefined && rawFinishReason !== null
+        ? { normalized: mapFinishReason(rawFinishReason), raw: choice?.native_finish_reason ?? rawFinishReason }
+        : state.finishReason
    const delta = choice?.delta
    const toolDeltas = delta?.tool_calls ?? []
    let tools = state.tools
    let pendingTools = state.pendingTools
+    let latestToolIndex = state.latestToolIndex
+    let nextToolIndex = state.nextToolIndex

    let lifecycle = state.lifecycle

    const reasoning = reasoningDelta(delta, state.reasoningField)
+    const hasLateContent =
+      Boolean(delta?.content) ||
+      reasoning !== undefined ||
+      (Array.isArray(delta?.reasoning_details) && delta.reasoning_details.length > 0) ||
+      toolDeltas.some(
+        (tool) => Boolean(tool.id) || Boolean(tool.function?.name) || Boolean(tool.function?.arguments),
+      )
+    if (state.finishReason !== undefined) {
+      if (hasLateContent)
+        return yield* ProviderShared.eventError(ADAPTER, "OpenAI Chat received content after the finish reason")
+      return [{ ...state, usage }, events] as const
+    }
+
    const reasoningField = state.reasoningField ?? (!state.lifecycle.text.has("text-0") ? reasoning?.field : undefined)
    const detailDelta = Array.isArray(delta?.reasoning_details) ? delta.reasoning_details : undefined
    if (detailDelta !== undefined) appendReasoningDetails(state.reasoningDetails, detailDelta)
@@ -694,24 +742,37 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
      lifecycle = Lifecycle.textDelta(lifecycle, events, "text-0", delta.content)
    }

-    for (const tool of toolDeltas) {
-      const current = tools[tool.index]
-      const pending = pendingTools[tool.index]
+    // Compatible providers may omit indexes. Prefer durable identity, then use
+    // batch position for parallel deltas or the latest call for sparse chunks.
+    for (const [position, tool] of toolDeltas.entries()) {
+      const matched = toolIndexByID(tools, pendingTools, tool.id || undefined)
+      const fallback = toolDeltas.length > 1 ? position : (latestToolIndex ?? position)
+      const fallbackTool = tools[fallback] ?? pendingTools[fallback]
+      const index =
+        tool.index ?? matched ??
+        (tool.id && fallbackTool?.id && fallbackTool.id !== tool.id ? nextToolIndex : fallback)
+      const current = tools[index]
+      const pending = pendingTools[index]
      const id = current?.id ?? pending?.id ?? (tool.id || undefined)
      const name = current?.name ?? pending?.name ?? (tool.function?.name || undefined)
      const text = `${pending?.input ?? ""}${tool.function?.arguments ?? ""}`
+      latestToolIndex = index
+      nextToolIndex = Math.max(nextToolIndex, index + 1)
      if (!current && (!id || !name)) {
-        pendingTools = { ...pendingTools, [tool.index]: { id: id || undefined, name: name || undefined, input: text } }
+        pendingTools = {
+          ...pendingTools,
+          [index]: { id: id || undefined, name: name || undefined, input: text },
+        }
        continue
      }
      if (pending) {
        pendingTools = { ...pendingTools }
-        delete pendingTools[tool.index]
+        delete pendingTools[index]
      }
      const result = ToolStream.appendOrStart(
        ADAPTER,
        tools,
-        tool.index,
+        index,
        { id: id || undefined, name: name || undefined, text },
        "OpenAI Chat tool call delta is missing id or name",
      )
@@ -743,6 +804,8 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
        reasoningDetails: state.reasoningDetails,
        reasoningDetailsObserved,
        reasoningEmitted,
+        latestToolIndex,
+        nextToolIndex,
      },
      events,
    ] as const
@@ -799,6 +862,7 @@ export const protocol = Protocol.make({
      reasoningDetails: [],
      reasoningDetailsObserved: false,
      reasoningEmitted: false,
+      nextToolIndex: 0,
    }),
    step,
    onHalt: finishEvents,
@@ -5,6 +5,7 @@ import type { ProviderPackage } from "../provider-package"
 import { ProviderID, type ModelID } from "../schema"
 import * as OpenAIChat from "../protocols/openai-chat"
 import * as OpenAIResponses from "../protocols/openai-responses"
+import { ProviderShared } from "../protocols/shared"
 import { withOpenAIOptions, type OpenAIProviderOptionsInput } from "./openai-options"

 export const id = ProviderID.make("azure")
@@ -19,7 +20,7 @@ export type LanguageModelOptions = AzureURL &
  ProviderAuthOption<"optional"> & {
    readonly apiVersion?: string
    readonly queryParams?: Record<string, string>
-    readonly useCompletionUrls?: boolean
+    readonly useDeploymentBasedUrls?: boolean
    readonly providerOptions?: OpenAIProviderOptionsInput
  }
 export type Config = LanguageModelOptions
@@ -29,27 +30,22 @@ export type Settings = ProviderPackage.Settings &
    readonly apiKey?: string
    readonly apiVersion?: string
    readonly queryParams?: Readonly<Record<string, string>>
+    readonly useDeploymentBasedUrls?: boolean
    readonly providerOptions?: OpenAIProviderOptionsInput
  }

-const resourceBaseURL = (resourceName: string) => `https://${resourceName.trim()}.openai.azure.com/openai/v1`
+const resourceBaseURL = (resourceName: string) => `https://${resourceName.trim()}.openai.azure.com/openai`

 const responsesRoute = OpenAIResponses.route.with({
  id: "azure-openai-responses",
  provider: id,
  auth: routeAuth,
-  endpoint: {
-    query: { "api-version": "v1" },
-  },
 })

 const chatRoute = OpenAIChat.route.with({
  id: "azure-openai-chat",
  provider: id,
  auth: routeAuth,
-  endpoint: {
-    query: { "api-version": "v1" },
-  },
 })

 export const routes = [responsesRoute, chatRoute]
@@ -59,7 +55,7 @@ const defaults = (input: Config) => {
    apiKey: _,
    apiVersion: _apiVersion,
    resourceName: _resourceName,
-    useCompletionUrls: _useCompletionUrls,
+    useDeploymentBasedUrls: _useDeploymentBasedUrls,
    baseURL: _baseURL,
    queryParams: _queryParams,
    ...rest
@@ -80,37 +76,39 @@ const auth = (input: Config) => {
  )
 }

-const configuredRoute = <Body, Prepared>(route: RouteDef<Body, Prepared>, input: Config) =>
+const configuredRoute = <Body, Prepared>(route: RouteDef<Body, Prepared>, input: Config, modelID: string | ModelID) =>
  route.with({
    auth: auth(input),
-    endpoint: {
-      // AtLeastOne guarantees at least one is set; baseURL wins if both are.
-      baseURL: input.baseURL ?? resourceBaseURL(input.resourceName!),
-      query: {
-        ...(input.apiVersion ? { "api-version": input.apiVersion } : {}),
-        ...input.queryParams,
-      },
-    },
+    endpoint: endpoint(input, modelID),
  })

+function endpoint(input: Config, modelID: string | ModelID) {
+  const baseURL = ProviderShared.trimBaseUrl(input.baseURL ?? resourceBaseURL(input.resourceName!))
+  const query = { "api-version": input.apiVersion ?? "v1", ...input.queryParams }
+
+  if (input.useDeploymentBasedUrls) return { baseURL: `${baseURL}/deployments/${modelID}`, query }
+  if (input.baseURL !== undefined && !new URL(input.baseURL).hostname.endsWith(".openai.azure.com")) {
+    return { baseURL, query: input.queryParams }
+  }
+  return { baseURL: `${baseURL}/v1`, query }
+}
+
 export const configure = (input: Config) => {
-  const configuredResponsesRoute = configuredRoute(responsesRoute, input)
-  const configuredChatRoute = configuredRoute(chatRoute, input)
  const modelDefaults = defaults(input)

  const responses = (modelID: string | ModelID) =>
-    configuredResponsesRoute
+    configuredRoute(responsesRoute, input, modelID)
      .with(withOpenAIOptions(modelID, modelDefaults))
      .model<OpenAIProviderOptionsInput>({ id: modelID })

  const chat = (modelID: string | ModelID) =>
-    configuredChatRoute
+    configuredRoute(chatRoute, input, modelID)
      .with(withOpenAIOptions(modelID, modelDefaults))
      .model<OpenAIProviderOptionsInput>({ id: modelID })

  return {
    id,
-    model: (modelID: string | ModelID) => (input.useCompletionUrls === true ? chat(modelID) : responses(modelID)),
+    model: responses,
    responses,
    chat,
    configure,
@@ -131,6 +129,7 @@ const config = (settings: Settings): Config => {
    limits: settings.limits,
    providerOptions: settings.providerOptions,
    queryParams: settings.queryParams === undefined ? undefined : { ...settings.queryParams },
+    useDeploymentBasedUrls: settings.useDeploymentBasedUrls,
  }
  if (settings.baseURL !== undefined) return { ...common, baseURL: settings.baseURL }
  if (settings.resourceName !== undefined) return { ...common, resourceName: settings.resourceName }
@@ -15,8 +15,7 @@ export type AnthropicThinkingInput = AnthropicMessages.ThinkingInput

 const VERSION = "vertex-2023-10-16" as const

-// models.dev uses this provider id even though the API contract is Anthropic Messages.
-export const id = ProviderID.make("google-vertex-anthropic")
+export const id = ProviderID.make("google-vertex")

 export type Config = RouteDefaultsInput &
  GoogleVertexShared.OAuthOptions & {
@@ -5,7 +5,7 @@ import { Endpoint, type EndpointPatch } from "./endpoint"
 import { RequestExecutor } from "./executor"
 import { Framing } from "./framing"
 import { HttpTransport } from "./transport"
-import type { HttpRequestTransform, Transport, TransportRuntime } from "./transport"
+import type { HttpMiddleware, Transport, TransportRuntime } from "./transport"
 import { WebSocketExecutor } from "./transport"
 import type { Protocol } from "./protocol"
 import { applyCachePolicy } from "../cache-policy"
@@ -20,6 +20,7 @@ import {
  LanguageModel,
  LanguageModelLimits,
  LLMEvent,
+  InvalidProviderOutputReason,
  ProviderID,
  mergeGenerationOptions,
  mergeHttpOptions,
@@ -155,7 +156,7 @@ export interface Interface {
 }

 export interface StreamOptions {
-  readonly transform?: HttpRequestTransform
+  readonly http?: HttpMiddleware
 }

 export interface StreamMethod {
@@ -231,6 +232,17 @@ const streamError = (route: string, message: string, cause: Cause.Cause<unknown>
  return ProviderShared.eventError(route, message, Cause.pretty(cause))
 }

+const incompleteStreamError = (route: string) =>
+  new AIError({
+    module: "LLMClient",
+    method: "stream",
+    reason: new InvalidProviderOutputReason({
+      classification: "incomplete-stream",
+      message: "The provider response ended unexpectedly.",
+      route,
+    }),
+  })
+
 const requireTerminalEvent = (route: string) => (events: Stream.Stream<LLMEvent, AIError>) =>
  Stream.suspend(() => {
    let terminal = false
@@ -247,7 +259,7 @@ const requireTerminalEvent = (route: string) => (events: Stream.Stream<LLMEvent,
        Effect.suspend(() =>
          terminal
            ? Effect.void
-            : Effect.fail(ProviderShared.eventError(route, "Provider stream ended without a terminal finish event")),
+            : Effect.fail(incompleteStreamError(route)),
        ),
      ),
    )
@@ -307,7 +319,7 @@ function makeFromTransport<Body, Prepared, Frame, Event, State>(
          auth: routeInput.auth ?? Auth.none,
          encodeBody,
          headers: routeInput.headers,
-          transform: options?.transform,
+          middleware: options?.http,
        }),
      streamPrepared: (prepared: Prepared, request: LLMRequest, runtime: TransportRuntime) => {
        const route = `${request.model.provider}/${request.model.route.id}`
@@ -416,10 +428,7 @@ const generateWith = (stream: Interface["stream"]) =>
    const state = yield* stream(request, options).pipe(Stream.runFold(LLMResponse.empty, LLMResponse.reduce))
    const response = LLMResponse.complete(state)
    if (response) return response
-    return yield* ProviderShared.eventError(
-      `${request.model.provider}/${request.model.route.id}`,
-      "Provider stream ended without a terminal finish event",
-    )
+    return yield* incompleteStreamError(`${request.model.provider}/${request.model.route.id}`)
  })

 export function stream(request: LLMRequest, options?: StreamOptions): Stream.Stream<LLMEvent, AIError, Service> {
@@ -20,9 +20,18 @@ import { classifyProviderFailure } from "../provider-error"
 export interface Interface {
  readonly execute: (
    request: HttpClientRequest.HttpClientRequest,
+    middleware?: HttpMiddleware,
  ) => Effect.Effect<HttpClientResponse.HttpClientResponse, AIError>
 }

+export type HttpHandler = (
+  request: HttpClientRequest.HttpClientRequest,
+) => Effect.Effect<HttpClientResponse.HttpClientResponse, Error>
+export type HttpMiddleware = (
+  request: HttpClientRequest.HttpClientRequest,
+  handler: HttpHandler,
+) => Effect.Effect<HttpClientResponse.HttpClientResponse, Error>
+
 export class Service extends Context.Service<Service, Interface>()("@opencode/AI/RequestExecutor") {}

 const BODY_LIMIT = 16_384
@@ -261,7 +270,7 @@ const toHttpError = (redactedNames: ReadonlyArray<string | RegExp>) => (error: u
    return transportError({ message: error.message, kind: "Timeout" })
  }
  if (!HttpClientError.isHttpClientError(error)) {
-    return transportError({ message: "HTTP transport failed" })
+    return transportError({ message: error instanceof Error ? error.message : "HTTP transport failed" })
  }
  const request = "request" in error ? error.request : undefined
  if (error.reason._tag === "TransportError") {
@@ -282,12 +291,20 @@ export const layer: Layer.Layer<Service, never, HttpClient.HttpClient> = Layer.e
  Service,
  Effect.gen(function* () {
    const http = yield* HttpClient.HttpClient
-    const executeOnce = (request: HttpClientRequest.HttpClientRequest) =>
+    const executeOnce = (request: HttpClientRequest.HttpClientRequest, middleware?: HttpMiddleware) =>
      Effect.gen(function* () {
        const redactedNames = yield* Headers.CurrentRedactedNames
-        return yield* http
-          .execute(request)
-          .pipe(Effect.mapError(toHttpError(redactedNames)), Effect.flatMap(statusError(request, redactedNames)))
+        if (!middleware)
+          return yield* http
+            .execute(request)
+            .pipe(Effect.mapError(toHttpError(redactedNames)), Effect.flatMap(statusError(request, redactedNames)))
+
+        const response = yield* middleware(request, (input) =>
+          http
+            .execute(input)
+            .pipe(Effect.mapError((cause) => (cause instanceof Error ? cause : new Error(String(cause))))),
+        ).pipe(Effect.mapError(toHttpError(redactedNames)))
+        return yield* statusError(response.request, redactedNames)(response)
      })
    return Service.of({
      execute: executeOnce,
@@ -23,4 +23,4 @@ export type { ApiKeyMode, AuthOverride, ProviderAuthOption } from "./auth-option
 export type { Definition as EndpointFn, EndpointInput } from "./endpoint"
 export type { Definition as FramingDef } from "./framing"
 export type { Protocol as ProtocolDef } from "./protocol"
-export type { HttpRequest, HttpRequestTransform, Transport as TransportDef, TransportRuntime } from "./transport"
+export type { HttpHandler, HttpMiddleware, Transport as TransportDef, TransportRuntime } from "./transport"
@@ -3,7 +3,7 @@ import { Headers, HttpClientRequest } from "effect/unstable/http"
 import { Auth } from "../auth"
 import { render as renderEndpoint } from "../endpoint"
 import { Framing } from "../framing"
-import type { Transport, TransportPrepareInput } from "./index"
+import type { HttpMiddleware, Transport, TransportPrepareInput } from "./index"
 import * as ProviderShared from "../../protocols/shared"
 import { mergeJsonRecords, type LLMRequest } from "../../schema"

@@ -19,6 +19,7 @@ export interface JsonRequestParts<Body = unknown> {
 export interface HttpPrepared<Frame> {
  readonly request: HttpClientRequest.HttpClientRequest
  readonly framing: Framing.Definition<Frame>
+  readonly middleware?: HttpMiddleware
 }

 const applyQuery = (url: string, query: Record<string, string> | undefined) => {
@@ -74,21 +75,21 @@ export const httpJson = <Body, Frame>(input: HttpJsonInput<Body, Frame>): HttpJs
  prepare: (prepareInput) =>
    Effect.gen(function* () {
      const parts = yield* jsonRequestParts({ ...prepareInput })
-      const request = { url: parts.url, method: "POST", headers: { ...parts.headers }, body: parts.bodyText }
-      yield* (prepareInput.transform?.(request) ?? Effect.void)
+      const request = ProviderShared.jsonPost({
+        url: parts.url,
+        body: parts.bodyText,
+        headers: parts.headers,
+      })
      return {
-        request: ProviderShared.jsonPost({
-          url: request.url,
-          body: request.body ?? "",
-          headers: Headers.fromInput(request.headers),
-        }),
+        request,
        framing: input.framing,
+        middleware: prepareInput.middleware,
      }
    }),
  frames: (prepared, request, runtime) =>
    Stream.unwrap(
      runtime.http
-        .execute(prepared.request)
+        .execute(prepared.request, prepared.middleware)
        .pipe(
          Effect.map((response) =>
            prepared.framing.frame(
@@ -1,7 +1,7 @@
 import type { Effect, Stream } from "effect"
 import { Endpoint } from "../endpoint"
 import { Auth } from "../auth"
-import type { Interface as RequestExecutorInterface } from "../executor"
+import type { HttpMiddleware, Interface as RequestExecutorInterface } from "../executor"
 import type { Interface as WebSocketExecutorInterface } from "./websocket"
 import type { AIError, LLMRequest } from "../../schema"

@@ -10,15 +10,6 @@ export interface TransportRuntime {
  readonly webSocket?: WebSocketExecutorInterface
 }

-export interface HttpRequest {
-  url: string
-  readonly method: string
-  headers: Record<string, string>
-  body: string | undefined
-}
-
-export type HttpRequestTransform = (request: HttpRequest) => Effect.Effect<void>
-
 export interface Transport<Body, Prepared, Frame> {
  readonly id: string
  readonly prepare: (input: TransportPrepareInput<Body>) => Effect.Effect<Prepared, AIError>
@@ -32,8 +23,9 @@ export interface TransportPrepareInput<Body> {
  readonly auth: Auth.Definition
  readonly encodeBody: (body: Body) => string
  readonly headers?: (input: { readonly request: LLMRequest }) => Record<string, string>
-  readonly transform?: HttpRequestTransform
+  readonly middleware?: HttpMiddleware
 }

 export * as HttpTransport from "./http"
+export type { HttpHandler, HttpMiddleware } from "../executor"
 export { WebSocketExecutor, WebSocketTransport } from "./websocket"
@@ -105,6 +105,7 @@ export class InvalidProviderOutputReason extends Schema.Class<InvalidProviderOut
 )({
  _tag: Schema.tag("InvalidProviderOutput"),
  message: Schema.String,
+  classification: Schema.optional(Schema.Literals(["incomplete-stream"])),
  route: Schema.optional(Schema.String),
  raw: Schema.optional(Schema.String),
  providerMetadata: Schema.optional(ProviderMetadata),
@@ -24,7 +24,7 @@ export type ToolExecute<Parameters extends ToolSchema<any>, Success extends Tool
 ) => Effect.Effect<Schema.Schema.Type<Success>, ToolFailure>

 export interface ToolModelOutputInput<Parameters, Output> {
-  readonly callID: ToolCallPart["id"]
+  readonly id: ToolCallPart["id"]
  readonly parameters: Parameters
  readonly output: Output
 }
@@ -59,7 +59,7 @@ export interface Definition<Parameters extends ToolSchema<any>, Success extends
  /** @internal */
  readonly _project: (
    parameters: Schema.Schema.Type<Parameters>,
-    callID: ToolCallPart["id"],
+    id: ToolCallPart["id"],
    output: unknown,
  ) => ToolOutputType
  /** @internal */
@@ -173,8 +173,8 @@ export function make(config: TypedToolConfig | DynamicToolConfig): AnyTool {
      toStructuredOutput: config.toStructuredOutput,
      _decode: Effect.succeed,
      _encode: Effect.succeed,
-      _project: (parameters, callID, output) =>
-        project(config.toModelOutput, config.toStructuredOutput, parameters, callID, output),
+      _project: (parameters, id, output) =>
+        project(config.toModelOutput, config.toStructuredOutput, parameters, id, output),
      _legacyResult: config.toModelOutput === undefined && config.toStructuredOutput === undefined,
      _definition: new ToolDefinition({
        name: "",
@@ -193,8 +193,8 @@ export function make(config: TypedToolConfig | DynamicToolConfig): AnyTool {
    toStructuredOutput: config.toStructuredOutput,
    _decode: Schema.decodeUnknownEffect(config.parameters),
    _encode: Schema.encodeEffect(config.success),
-    _project: (parameters, callID, output) =>
-      project(config.toModelOutput, config.toStructuredOutput, parameters, callID, output),
+    _project: (parameters, id, output) =>
+      project(config.toModelOutput, config.toStructuredOutput, parameters, id, output),
    _legacyResult: false,
    _definition: new ToolDefinition({
      name: "",
@@ -239,12 +239,12 @@ const project = (
  toModelOutput: ((input: ToolModelOutputInput<any, any>) => ReadonlyArray<Tool.Content>) | undefined,
  toStructuredOutput: ((output: unknown) => unknown) | undefined,
  parameters: unknown,
-  callID: ToolCallPart["id"],
+  id: ToolCallPart["id"],
  output: unknown,
 ): ToolOutputType =>
  ToolOutput.make(
    toStructuredOutput?.(output) ?? output,
-    toModelOutput?.({ callID, parameters, output }) ??
+    toModelOutput?.({ id, parameters, output }) ??
      (typeof output === "string" ? [{ type: "text", text: output }] : []),
  )

@@ -133,8 +133,8 @@ describe("llm route", () => {
    Effect.gen(function* () {
      const error = yield* (yield* LLMClient.Service).stream(request).pipe(Stream.runDrain, Effect.flip)

-      expect(error.reason).toMatchObject({ _tag: "InvalidProviderOutput" })
-      expect(error.message).toContain("Provider stream ended without a terminal finish event")
+      expect(error.reason).toMatchObject({ _tag: "InvalidProviderOutput", classification: "incomplete-stream" })
+      expect(error.message).toContain("The provider response ended unexpectedly.")
    }),
  )

@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
-import { Effect, Schema } from "effect"
-import { HttpClientRequest } from "effect/unstable/http"
+import { Effect, Ref, Schema } from "effect"
+import { HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import { LLM, mergeProviderOptions } from "../src"
 import { AnthropicMessages, OpenAIChat } from "../src/protocols"
 import { Auth, LLMClient } from "../src/route"
@@ -146,12 +146,16 @@ describe("request option precedence", () => {
        prompt: "Say hello.",
      }),
      {
-        transform: (request) =>
-          Effect.sync(() => {
-            expect(request.headers.authorization).toBe("Bearer fresh-key")
-            request.url = "https://proxy.test/v1/chat/completions"
-            request.headers["x-plugin"] = "transformed"
-            request.body = JSON.stringify({ transformed: true })
+        http: (request, handler) =>
+          Effect.gen(function* () {
+            return yield* handler(
+              request.pipe(
+                HttpClientRequest.setUrl("https://proxy.test/v1/chat/completions"),
+                HttpClientRequest.setMethod("PUT"),
+                HttpClientRequest.setHeader("x-plugin", "transformed"),
+                HttpClientRequest.bodyText(JSON.stringify({ transformed: true }), "application/custom+json"),
+              ),
+            )
          }),
      },
    ).pipe(
@@ -160,7 +164,9 @@ describe("request option precedence", () => {
          Effect.gen(function* () {
            const web = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
            expect(web.url).toBe("https://proxy.test/v1/chat/completions")
+            expect(web.method).toBe("PUT")
            expect(web.headers.get("x-plugin")).toBe("transformed")
+            expect(web.headers.get("content-type")).toBe("application/custom+json")
            expect(decodeJson(input.text)).toEqual({ transformed: true })
            return input.respond(sseEvents(deltaChunk({}, "stop")), {
              headers: { "content-type": "text/event-stream" },
@@ -171,6 +177,82 @@ describe("request option precedence", () => {
    ),
  )

+  it.effect("transforms the HTTP response before protocol decoding", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model: OpenAIChat.route
+            .with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("test") })
+            .model({ id: "gpt-4o-mini" }),
+          prompt: "Say hello.",
+        }),
+        {
+          http: (request, handler) =>
+            Effect.gen(function* () {
+              const response = yield* handler(request)
+              return HttpClientResponse.fromWeb(
+                response.request,
+                new Response((yield* response.text).replace("network", "hooked"), {
+                  status: response.status,
+                  headers: response.headers,
+                }),
+              )
+            }),
+        },
+      ).pipe(
+        Effect.provide(
+          dynamicResponse((input) =>
+            Effect.succeed(
+              input.respond(sseEvents(deltaChunk({ content: "network" }, "stop")), {
+                headers: { "content-type": "text/event-stream" },
+              }),
+            ),
+          ),
+        ),
+      )
+
+      expect(response.text).toBe("hooked")
+    }),
+  )
+
+  it.effect("can inspect an error response and retry the native request", () =>
+    Effect.gen(function* () {
+      const attempts = yield* Ref.make(0)
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model: OpenAIChat.route
+            .with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("stale") })
+            .model({ id: "gpt-4o-mini" }),
+          prompt: "Say hello.",
+        }),
+        {
+          http: (request, handler) =>
+            Effect.gen(function* () {
+              const response = yield* handler(request)
+              expect(response.status).toBe(401)
+              return yield* handler(HttpClientRequest.setHeader(request, "authorization", "Bearer refreshed"))
+            }),
+        },
+      ).pipe(
+        Effect.provide(
+          dynamicResponse((input) =>
+            Effect.gen(function* () {
+              yield* Ref.update(attempts, (value) => value + 1)
+              if (input.request.headers.authorization !== "Bearer refreshed")
+                return input.respond("unauthorized", { status: 401 })
+              return input.respond(sseEvents(deltaChunk({ content: "retried" }, "stop")), {
+                headers: { "content-type": "text/event-stream" },
+              })
+            }),
+          ),
+        ),
+      )
+
+      expect(response.text).toBe("retried")
+      expect(yield* Ref.get(attempts)).toBe(2)
+    }),
+  )
+
  it.effect("applies raw body overlays after protocol lowering", () =>
    LLMClient.generate(
      LLM.request({
@@ -67,6 +67,18 @@ const expectAIError = (error: unknown) => {
 const errorHttp = (error: AIError) => ("http" in error.reason ? error.reason.http : undefined)

 describe("RequestExecutor", () => {
+  it.effect("preserves middleware error messages", () =>
+    Effect.gen(function* () {
+      const executor = yield* RequestExecutor.Service
+      const error = yield* executor
+        .execute(request, () => Effect.fail(new Error("plugin rejected request")))
+        .pipe(Effect.flip)
+
+      expectAIError(error)
+      expect(error.reason.message).toBe("plugin rejected request")
+    }).pipe(Effect.provide(responsesLayer([]))),
+  )
+
  it.effect("classifies context overflow responses", () =>
    Effect.gen(function* () {
      const executor = yield* RequestExecutor.Service
@@ -209,6 +209,27 @@ describe("provider package entrypoints", () => {
    expect(chat.route.id).toBe("azure-openai-chat")
  })

+  test("constructs Azure deployment URLs and preserves custom gateway URLs", async () => {
+    const Azure = await import("@opencode-ai/ai/providers/azure")
+    const deployment = Azure.model("custom-deployment", {
+      apiKey: "fixture",
+      resourceName: "opencode-test",
+      apiVersion: "2025-01-01-preview",
+      useDeploymentBasedUrls: true,
+    })
+    const gateway = Azure.model("gateway-model", {
+      apiKey: "fixture",
+      baseURL: "https://gateway.example/azure/",
+    })
+
+    expect(deployment.route.endpoint).toMatchObject({
+      baseURL: "https://opencode-test.openai.azure.com/openai/deployments/custom-deployment",
+      query: { "api-version": "2025-01-01-preview" },
+    })
+    expect(gateway.route.endpoint.baseURL).toBe("https://gateway.example/azure")
+    expect(gateway.route.endpoint.query).toBeUndefined()
+  })
+
  test("maps Google package settings onto the Gemini model", async () => {
    const Google = await import("@opencode-ai/ai/providers/google")
    const selected = Google.model("gemini-2.5-flash", {
@@ -538,7 +538,8 @@ describe("Anthropic Messages route", () => {

      expect(error.reason).toMatchObject({
        _tag: "InvalidProviderOutput",
-        message: "Provider stream ended without a terminal finish event",
+        classification: "incomplete-stream",
+        message: "The provider response ended unexpectedly.",
      })
    }),
  )
@@ -601,6 +601,34 @@ describe("Gemini route", () => {
    }),
  )

+  it.effect("maps tool calls without a finish reason", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLMRequest.update(request, {
+          tools: [ToolDefinition.make({ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } })],
+        }),
+      ).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents({
+              candidates: [
+                {
+                  content: {
+                    role: "model",
+                    parts: [{ functionCall: { name: "lookup", args: { query: "weather" } } }],
+                  },
+                },
+              ],
+              usageMetadata: { promptTokenCount: 5, candidatesTokenCount: 1 },
+            }),
+          ),
+        ),
+      )
+
+      expect(response.finishReason).toEqual({ normalized: "tool-calls", raw: undefined })
+    }),
+  )
+
  it.effect("assigns unique ids to multiple streamed tool calls", () =>
    Effect.gen(function* () {
      const body = sseEvents({
@@ -56,13 +56,14 @@ describe("Google Vertex providers", () => {

  it.effect("projects Anthropic Messages onto the Vertex raw-predict API", () =>
    Effect.gen(function* () {
+      const model = GoogleVertexMessages.configure({
+        accessToken: "vertex-token",
+        location: "eu",
+        project: "vertex-project",
+      }).model("claude-sonnet-4-6")
      const response = yield* LLMClient.generate(
        LLM.request({
-          model: GoogleVertexMessages.configure({
-            accessToken: "vertex-token",
-            location: "eu",
-            project: "vertex-project",
-          }).model("claude-sonnet-4-6"),
+          model,
          prompt: "Say hello.",
        }),
      ).pipe(
@@ -97,6 +98,7 @@ describe("Google Vertex providers", () => {
        ),
      )

+      expect(model.provider).toBe("google-vertex")
      expect(response.text).toBe("Hello.")
    }),
  )
@@ -1136,9 +1136,12 @@ describe("OpenAI Chat route", () => {
        { type: "tool-input-delta", id: "call_1", name: "lookup", text: ':"weather"}' },
      ])
      expect(events.filter(LLMEvent.is.toolCall)).toEqual([])
-      expect(streamError.reason).toMatchObject({ _tag: "InvalidProviderOutput" })
-      expect(streamError.message).toContain("Provider stream ended without a terminal finish event")
-      expect(error.message).toContain("Provider stream ended without a terminal finish event")
+      expect(streamError.reason).toMatchObject({
+        _tag: "InvalidProviderOutput",
+        classification: "incomplete-stream",
+      })
+      expect(streamError.message).toContain("The provider response ended unexpectedly.")
+      expect(error.message).toContain("The provider response ended unexpectedly.")
    }),
  )

@@ -7,7 +7,7 @@ import { compileRequest } from "../../src/route/client"
 import * as OpenAICompatible from "../../src/providers/openai-compatible"
 import * as OpenAICompatibleChat from "../../src/protocols/openai-compatible-chat"
 import { it } from "../lib/effect"
-import { dynamicResponse } from "../lib/http"
+import { dynamicResponse, fixedResponse } from "../lib/http"
 import { sseEvents } from "../lib/sse"

 const Json = Schema.fromJsonString(Schema.Unknown)
@@ -253,4 +253,106 @@ describe("OpenAI-compatible Chat route", () => {
      })
    }),
  )
+
+  it.effect("accepts nullable usage and preserves provider fields", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              deltaChunk({ content: "Hello" }),
+              deltaChunk({}, "stop"),
+              usageChunk({
+                prompt_tokens: null,
+                completion_tokens: null,
+                total_tokens: null,
+                prompt_tokens_details: { cached_tokens: null, vendor_cache_tokens: 3 },
+                completion_tokens_details: {
+                  reasoning_tokens: null,
+                  accepted_prediction_tokens: null,
+                  rejected_prediction_tokens: null,
+                },
+                cost: "0.001",
+              }),
+            ),
+          ),
+        ),
+      )
+
+      expect(response.usage).toMatchObject({
+        inputTokens: undefined,
+        outputTokens: undefined,
+        totalTokens: undefined,
+        providerMetadata: {
+          openai: {
+            prompt_tokens: null,
+            completion_tokens: null,
+            total_tokens: null,
+            prompt_tokens_details: { cached_tokens: null, vendor_cache_tokens: 3 },
+            cost: "0.001",
+          },
+        },
+      })
+    }),
+  )
+
+  it.effect("assembles indexless parallel tool calls across sparse chunks", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLMRequest.update(request, {
+          tools: [ToolDefinition.make({ name: "weather", description: "Get weather", inputSchema: { type: "object" } })],
+        }),
+      ).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              deltaChunk({
+                tool_calls: [
+                  { id: "call_paris", function: { name: "weather", arguments: '{"city":"' } },
+                  { index: null, id: "call_london", function: { name: "weather", arguments: '{"city":"' } },
+                ],
+              }),
+              deltaChunk({ tool_calls: [{ function: { arguments: 'London"}' } }] }),
+              deltaChunk({ tool_calls: [{ id: "call_paris", function: { arguments: 'Paris"}' } }] }),
+              deltaChunk({}, "tool_calls"),
+            ),
+          ),
+        ),
+      )
+
+      expect(response.toolCalls).toMatchObject([
+        { id: "call_paris", name: "weather", input: { city: "Paris" } },
+        { id: "call_london", name: "weather", input: { city: "London" } },
+      ])
+    }),
+  )
+
+  it.effect("treats an empty finish reason as terminal", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(fixedResponse(sseEvents(deltaChunk({ content: "Hello" }), deltaChunk({}, "")))),
+      )
+
+      expect(response.finishReason).toEqual({ normalized: "unknown", raw: "" })
+    }),
+  )
+
+  it.effect("rejects content after a terminal chunk", () =>
+    Effect.gen(function* () {
+      const error = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              deltaChunk({ content: "Hello" }),
+              deltaChunk({}, "stop"),
+              deltaChunk({ tool_calls: [{ index: 0, id: "call_1", function: { name: "lookup", arguments: "{}" } }] }),
+            ),
+          ),
+        ),
+        Effect.flip,
+      )
+
+      expect(error.message).toContain("OpenAI Chat received content after the finish reason")
+    }),
+  )
 })
@@ -169,7 +169,7 @@ describe("LLMClient tools", () => {
        LLMEvent.toolCall({ id: "call_projected", name: "projected", input: { prefix: "count" } }),
      )

-      expect(calls).toEqual([{ callID: "call_projected", parameters: { prefix: "count" }, output: { count: "2" } }])
+      expect(calls).toEqual([{ id: "call_projected", parameters: { prefix: "count" }, output: { count: "2" } }])
      expect(dispatched.result).toEqual({ type: "text", value: "count:2" })
      expect(dispatched.output).toEqual({ structured: { count: "2" }, content: [{ type: "text", text: "count:2" }] })
      expect(dispatched.events).toEqual([
@@ -27,8 +27,8 @@ Tool.make({
  parameters: Schema.Struct({ city: Schema.String }),
  success: Schema.Struct({ forecast: Schema.NumberFromString }),
  execute: () => Effect.succeed({ forecast: 1 }),
-  toModelOutput: ({ callID, parameters, output }) => [
-    { type: "text", text: `${callID}:${parameters.city}:${output.forecast}` },
+  toModelOutput: ({ id, parameters, output }) => [
+    { type: "text", text: `${id}:${parameters.city}:${output.forecast}` },
  ],
 })

@@ -1,220 +0,0 @@
-# V1 API Migration Checklist
-
-The app is currently hybrid. In this document, V1 refers to the legacy unprefixed server APIs used by `@opencode-ai/sdk/v2`, despite the SDK package name.
-
-## Events
-
- [x] Replace `GET /global/event` with `GET /api/event`.
-  - `src/context/server-sdk.tsx`
- [x] Reduce current granular session and message events into the existing app projections.
-  - `src/context/server-session-v2-reducer.ts`
-  - `src/context/server-session.ts`
- [ ] Remove transitional session event dependencies: `session.created`, `session.updated`, `session.diff`, `session.status`, `session.idle`, and `session.error`.
-  - `src/context/global-sync/event-reducer.ts`
-  - `src/context/server-session.ts`
-  - `src/context/notification.tsx`
-  - `src/pages/session/usage-exceeded-dialogs.tsx`
- [ ] Remove legacy message event compatibility: `message.updated`, `message.removed`, `message.part.updated`, `message.part.removed`, and `message.part.delta`.
-  - `src/context/global-sync/event-reducer.ts`
-  - `src/context/server-session.ts`
- [x] Adapt current permission and question events to the existing request model.
-  - `src/context/global-sync/event-reducer.ts`
-  - `src/context/permission.tsx`
- [x] Consume current file watcher events.
-  - `src/context/file.tsx`
- [x] Consume current VCS events.
-  - `src/context/global-sync/event-reducer.ts`
-  - `src/pages/session.tsx`
- [x] Consume current `pty.exited` events.
-  - `src/context/terminal.tsx`
- [ ] Migrate LSP and reference events.
-  - `src/context/global-sync/event-reducer.ts`
-
-## Sessions
-
- [x] Replace `GET /session/status` with one server-scoped `GET /api/session/active` snapshot plus V2 execution events.
-  - `src/context/server-sync.tsx`
- [x] Migrate session listing from `GET /session`.
-  - `src/context/server-sync.tsx`
-  - `src/context/directory-sync.ts`
-  - `src/pages/layout.tsx`
- [x] Migrate the remaining direct session read from `GET /session/:sessionID`.
-  - `src/components/titlebar.tsx`
- [x] Migrate session updates from `PATCH /session/:sessionID`.
-  - `src/context/directory-sync.ts`
-  - `src/context/layout.tsx`
-  - `src/pages/home.tsx`
-  - `src/pages/layout.tsx`
-  - `src/pages/session/timeline/message-timeline.tsx`
-  - `src/components/titlebar-tab-nav.tsx`
-  - Renames use `POST /api/session/:sessionID/rename`; archival uses `POST /api/session/:sessionID/archive`.
- [x] Migrate session deletion from `DELETE /session/:sessionID`.
-  - `src/pages/session/timeline/message-timeline.tsx`
- [x] Remove session diff loading from `GET /session/:sessionID/diff`.
-  - Historical Session diffs remain unavailable until the current API defines their snapshot semantics.
- [x] Migrate abort from `POST /session/:sessionID/abort`.
-  - `src/components/prompt-input/submit.ts`
-  - `src/pages/session/use-session-commands.tsx`
-  - `src/pages/session.tsx`
- [x] Migrate revert and unrevert from `POST /session/:sessionID/revert` and `POST /session/:sessionID/unrevert`.
-  - `src/pages/session/use-session-commands.tsx`
-  - `src/pages/session.tsx`
- [x] Replace `POST /session/:sessionID/summarize` with the current compact API.
-  - `src/pages/session/use-session-commands.tsx`
- [x] Migrate slash commands from `POST /session/:sessionID/command`.
-  - `src/components/prompt-input/submit.ts`
- [x] Migrate shell execution from `POST /session/:sessionID/shell`.
-  - `src/components/prompt-input/submit.ts`
- [x] Migrate session fork from `POST /session/:sessionID/fork`.
-  - `src/components/dialog-fork.tsx`
- [ ] Migrate sharing from `POST /session/:sessionID/share` and `DELETE /session/:sessionID/share`.
-  - `src/pages/session/use-session-commands.tsx`
-  - `src/pages/session/timeline/message-timeline.tsx`
-  - Blocked: the current API has no sharing contract or implementation.
-
-## Session Compatibility Fallbacks
-
-These calls are retained as fallback adapters. The current production path supplies the current session and message APIs.
-
- [ ] Remove fallback `GET /session/:sessionID` after compatibility support is unnecessary.
-  - `src/context/server-session.ts`
- [ ] Remove fallback `GET /session/:sessionID/message` after compatibility support is unnecessary.
-  - `src/context/server-session.ts`
- [ ] Remove fallback `GET /session/:sessionID/message/:messageID` after compatibility support is unnecessary.
-  - `src/context/server-session.ts`
-
-## Filesystem
-
- [ ] Migrate file listing from `GET /file`.
-  - `src/context/file.tsx`
- [ ] Migrate file reads from `GET /file/content`.
-  - `src/context/file.tsx`
-  - `src/pages/session/review-tab.tsx`
-  - `src/pages/session/v2/review-panel-v2.tsx`
- [x] Migrate path discovery from `GET /path` to `GET /api/path`.
-  - `src/context/global-sync/bootstrap.ts`
-  - `src/components/dialog-select-directory.tsx`
-  - `src/components/dialog-select-directory-v2.tsx`
-
-## Projects And Worktrees
-
- [x] Migrate project listing from `GET /project` to `GET /api/project`.
-  - `src/context/global-sync/bootstrap.ts`
- [x] Migrate the current project lookup from `GET /project/current` to `GET /api/project/current`.
-  - `src/context/global-sync/bootstrap.ts`
- [ ] Migrate Git initialization from `POST /project/git/init`.
-  - `src/pages/session.tsx`
- [x] Migrate project updates from `PATCH /project/:projectID` to `PATCH /api/project/:projectID`.
-  - `src/context/layout.tsx`
-  - `src/components/edit-project.ts`
-  - `src/pages/layout.tsx`
- [ ] Migrate experimental worktree listing, creation, removal, and reset from `/experimental/worktree`.
-  - `src/pages/layout.tsx`
-  - `src/components/prompt-input/submit.ts`
-  - Listing now uses `GET /api/project/:projectID/directories`; create, removal, and reset remain.
- [ ] Migrate instance disposal from `POST /instance/dispose`.
-  - `src/pages/layout.tsx`
-
-## VCS
-
- [x] Migrate repository information from `GET /vcs` to `GET /api/vcs`.
-  - `src/context/global-sync/bootstrap.ts`
- [x] Migrate diffs from `GET /vcs/diff` to `GET /api/vcs/diff`.
-  - `src/pages/session.tsx`
- [x] Migrate status from `GET /vcs/status` to `GET /api/vcs/status`.
-  - `src/pages/layout.tsx`
-
-## Configuration And Authentication
-
- [ ] Migrate global configuration reads from `GET /global/config`.
-  - `src/context/global-sync/bootstrap.ts`
- [ ] Migrate directory configuration reads from `GET /config`.
-  - `src/context/global-sync/bootstrap.ts`
- [ ] Migrate global configuration updates from `PATCH /global/config`.
-  - `src/context/server-sync.tsx`
- [x] Migrate provider authentication method discovery from `GET /provider/auth` to `GET /api/integration/:integrationID`.
-  - `src/components/dialog-connect-provider.tsx`
- [x] Migrate built-in provider OAuth authorization and callbacks to `/api/integration/:integrationID/connect/oauth/*`.
-  - `src/components/dialog-connect-provider.tsx`
- [ ] Migrate remaining credentials from `PUT /auth/:providerID` and `DELETE /auth/:providerID`.
-  - Built-in provider key connections now use `POST /api/integration/:integrationID/connect/key`.
-  - `src/components/dialog-connect-provider.tsx`
-  - `src/components/dialog-custom-provider.tsx`
-  - `src/components/settings-providers.tsx`
-  - `src/components/settings-v2/providers.tsx`
- [ ] Migrate global disposal from `POST /global/dispose`.
-  - `src/components/dialog-connect-provider.tsx`
-  - `src/components/settings-providers.tsx`
-  - `src/components/settings-v2/providers.tsx`
-
-## Permissions And Questions
-
- [x] Migrate permission listing from `GET /permission` to `GET /api/permission/request`.
-  - `src/context/global-sync/bootstrap.ts`
-  - `src/context/permission.tsx`
- [x] Migrate permission responses from `/session/:sessionID/permissions/:permissionID`.
-  - `src/context/permission.tsx`
-  - `src/pages/session/composer/session-composer-state.ts`
- [x] Migrate question listing from `GET /question` to `GET /api/question/request`.
-  - `src/context/global-sync/bootstrap.ts`
- [x] Migrate question replies and rejections from `/question/:requestID/*` to `/api/session/:sessionID/question/:requestID/*`.
-  - `src/pages/session/composer/session-question-dock.tsx`
-
-## Commands, MCP, LSP, And References
-
- [x] Migrate command listing from `GET /command` to `GET /api/command`.
-  - `src/context/global-sync/bootstrap.ts`
-  - `src/context/server-sync.tsx`
- [x] Migrate MCP listing, connection, and disconnection from `/mcp` to `/api/mcp`.
-  - `src/context/server-sync.tsx`
- [ ] Replace legacy MCP authentication with the Integration OAuth workflow.
-  - `src/context/server-sync.tsx`
- [x] Migrate experimental resource listing from `GET /experimental/resource` to `GET /api/mcp/resource`.
-  - `src/context/server-sync.tsx`
- [ ] Migrate LSP status from `GET /lsp`.
-  - `src/context/server-sync.tsx`
- [x] Move `GET /api/reference` off the legacy generated SDK transport.
-  - `src/context/global-sync/bootstrap.ts`
-
-## Search
-
- [x] Migrate global session search from `GET /experimental/session` to `GET /api/session`.
-  - `src/components/command-palette.ts`
-  - `src/components/dialog-command-palette-v2.tsx`
-
-## PTY And Terminal
-
- [x] Migrate PTY creation, reads, updates, and deletion from `/pty` to `/api/pty`.
-  - `src/context/terminal.tsx`
-  - `src/components/terminal.tsx`
- [x] Migrate shell listing from `GET /pty/shells` to `GET /api/pty/shells`.
-  - `src/components/settings-general.tsx`
-  - `src/components/settings-v2/general.tsx`
- [x] Migrate connection tokens from `POST /pty/:ptyID/connect-token` to `POST /api/pty/:ptyID/connect-token`.
-  - `src/components/terminal.tsx`
- [x] Migrate the direct WebSocket connection from `/pty/:ptyID/connect` to `/api/pty/:ptyID/connect`.
-  - `src/components/terminal.tsx`
-
-## Legacy Types And Adapters
-
-These are not V1 network requests, but they keep the UI coupled to V1 data contracts.
-
- [ ] Replace the current-session-to-legacy-session adapter.
-  - `src/utils/session.ts`
- [ ] Replace the current-message-to-legacy-message-and-part adapter.
-  - `src/utils/session-message.ts`
- [ ] Replace current agent, provider, and model adapters to legacy SDK structures.
-  - `src/context/global-sync/utils.ts`
- [ ] Replace legacy `Session`, `Message`, `Part`, `PermissionRequest`, `QuestionRequest`, `Project`, `FileNode`, `FileDiffInfo`, and `Event` types throughout app state and rendering.
- [ ] Remove the `@opencode-ai/sdk` runtime dependency after all legacy calls and types are gone.
-  - `package.json`
-
-## Test Infrastructure
-
- [ ] Replace V1 endpoint mocks with current API mocks.
-  - `e2e/utils/mock-server.ts`
- [x] Replace `/global/event` and `/event` interception with current event transport handling.
-  - `e2e/utils/sse-transport.ts`
- [ ] Replace `SessionV1` and legacy SDK fixtures in timeline performance tests.
-  - `e2e/performance/timeline-stability/fixture.ts`
- [ ] Remove remaining legacy SDK type fixtures from unit and browser tests.
@@ -2,17 +2,8 @@ import { base64Encode } from "@opencode-ai/core/util/encode"
 import { Event } from "@opencode-ai/schema/event"
 import { SessionStatusEvent } from "@opencode-ai/schema/session-status-event"
 import { SessionV1 } from "@opencode-ai/schema/session-v1"
-import type {
-  AssistantMessage,
-  GlobalEvent,
-  Message,
-  Part,
-  Session,
-  SessionStatus,
-  ToolPart,
-  ToolState,
-  UserMessage,
-} from "@opencode-ai/sdk/v2/client"
+import type { SessionInfo, SessionStatus } from "@opencode-ai/client/promise"
+import type { AssistantMessage, Message, Part, ToolPart, ToolState, UserMessage } from "../../../src/types"
 import { expect, type Page } from "@playwright/test"
 import { Schema } from "effect"
 import { mockOpenCodeServer } from "../../utils/mock-server"
@@ -27,18 +18,29 @@ export const assistantID = "msg_1001_timeline_assistant"
 export const title = "Timeline visual stability"
 export const model = { providerID: "opencode", modelID: "claude-opus-4-6", variant: "max" }

-type TimelinePayload = Extract<
-  GlobalEvent["payload"],
-  {
-    type:
-      | "message.updated"
-      | "message.removed"
-      | "message.part.updated"
-      | "message.part.removed"
-      | "message.part.delta"
-      | "session.status"
+type Session = SessionInfo
+type GlobalEvent = {
+  directory: string
+  project?: string
+  workspace?: string
+  payload: {
+    id: string
+    type: string
+    properties: Record<string, unknown>
  }
->
+}
+
+type TimelineProperties = {
+  "message.updated": { sessionID: string; info: Message }
+  "message.removed": { sessionID: string; messageID: string }
+  "message.part.updated": { sessionID: string; part: Part; time: number }
+  "message.part.removed": { sessionID: string; messageID: string; partID: string }
+  "message.part.delta": { sessionID: string; messageID: string; partID: string; field: string; delta: string }
+  "session.status": { sessionID: string; status: SessionStatus }
+}
+type TimelinePayload = {
+  [Type in keyof TimelineProperties]: { id: string; type: Type; properties: TimelineProperties[Type] }
+}[keyof TimelineProperties]

 type DeepReadonly<Value> = Value extends readonly unknown[]
  ? { readonly [Key in keyof Value]: DeepReadonly<Value[Key]> }
@@ -97,7 +99,6 @@ export async function setupTimeline(
    locale?: string
    deviceScaleFactor?: number
    seedHistory?: boolean
-    protocol?: "v1" | "v2"
  } = {},
 ) {
  const sessions = input.sessions ?? [session()]
@@ -115,7 +116,7 @@ export async function setupTimeline(
    retry: input.eventRetry ?? 20,
  })
  await mockOpenCodeServer(page, {
-    protocol: input.protocol,
+    protocol: "v2",
    directory,
    project: project(),
    provider: provider(),
@@ -235,7 +236,7 @@ export function event(type: TimelinePayload["type"], properties: TimelinePayload
 }

 export function validateTimelineEvent(input: unknown): TimelineEvent {
-  return decodeEvent(input, decodeOptions)
+  return decodeEvent(input, decodeOptions) as TimelineEvent
 }

 export function validateTimelineMessages(input: readonly TimelineMessage[]): TimelineMessage[] {
@@ -460,7 +461,7 @@ export function toolPart(
  input: Record<string, unknown>,
  options: ToolOptions<ToolStatus> = {},
 ): Omit<ToolPart, "sessionID" | "messageID"> {
-  const base = { id, type: "tool" as const, callID: `call_${id}`, tool }
+  const base = { id, type: "tool" as const, callID: id, tool }
  if (state === "pending") return { ...base, state: { status: state, input, raw: "" } }
  if (state === "running")
    return {
@@ -529,11 +530,11 @@ export function project() {
 export function session(input: Partial<Session> = {}): Session {
  return {
    id: sessionID,
-    slug: "timeline-stability",
    projectID,
-    directory,
+    location: { directory },
    title,
-    version: "dev",
+    cost: 0,
+    tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
    time: { created: 1700000000000, updated: 1700000000000 },
    ...input,
  }
@@ -177,7 +177,8 @@ test("shows all and expands historical diff summary without overlap", async ({ p
  const firstUser = userMessage(undefined, {
    summary: {
      diffs: Array.from({ length: 12 }, (_, index) => ({
-        file: `src/diff-${index}.ts`,
+         file: `src/diff-${index}.ts`,
+         status: "modified",
        additions: 1,
        deletions: 1,
        patch: `@@ -1 +1 @@\n-export const value = ${index}\n+export const value = ${index + 1}`,
@@ -1,6 +1,121 @@
 import { expect, test } from "bun:test"
+import type { SessionMessageInfo } from "@opencode-ai/client/promise"
 import type { Page, Route } from "@playwright/test"
-import { mockOpenCodeServer } from "../../utils/mock-server"
+import { currentMessage, mockOpenCodeServer } from "../../utils/mock-server"
+
+test("preserves current messages", () => {
+  const message = {
+    id: "msg_current",
+    type: "user",
+    time: { created: 1 },
+    text: "current",
+    files: [{ data: "e30=", mime: "application/json", source: { type: "inline" } }],
+  } satisfies SessionMessageInfo
+
+  expect(currentMessage(message)).toBe(message)
+})
+
+test("converts rich legacy messages to current message types", () => {
+  expect(
+    currentMessage({
+      info: { id: "msg_user", role: "user", time: { created: 1 } },
+      parts: [
+        { type: "text", text: "Use @src/a.ts with @explore" },
+        {
+          type: "file",
+          mime: "application/json",
+          filename: "data.json",
+          url: "data:application/json;base64,e30=",
+        },
+        {
+          type: "file",
+          mime: "text/plain",
+          filename: "a.ts",
+          url: "src/a.ts",
+          source: { type: "file", text: { value: "@src/a.ts", start: 4, end: 13 } },
+        },
+        { type: "agent", name: "explore", source: { value: "@explore", start: 19, end: 27 } },
+      ],
+    }),
+  ).toEqual({
+    id: "msg_user",
+    type: "user",
+    time: { created: 1 },
+    text: "Use @src/a.ts with @explore",
+    files: [
+      { data: "e30=", mime: "application/json", name: "data.json", source: { type: "inline" } },
+      {
+        data: "",
+        mime: "text/plain",
+        name: "a.ts",
+        source: { type: "uri", uri: "src/a.ts" },
+        mention: { text: "@src/a.ts", start: 4, end: 13 },
+      },
+    ],
+    agents: [{ name: "explore", mention: { text: "@explore", start: 19, end: 27 } }],
+  })
+
+  expect(
+    currentMessage({
+      info: {
+        id: "msg_assistant",
+        role: "assistant",
+        time: { created: 2, completed: 5 },
+        agent: "explore",
+        modelID: "model",
+        providerID: "provider",
+        variant: "high",
+        cost: 0.5,
+        tokens: { input: 1, output: 2, reasoning: 3, cache: { read: 4, write: 5 } },
+        finish: "tool-calls",
+        error: { name: "MessageAbortedError", data: { message: "Stopped" } },
+      },
+      parts: [
+        { type: "text", text: "Answer" },
+        { type: "reasoning", text: "Thinking", time: { start: 2, end: 3 } },
+        {
+          id: "prt_tool",
+          callID: "call_tool",
+          type: "tool",
+          tool: "read",
+          state: {
+            status: "completed",
+            input: { filePath: "src/a.ts" },
+            output: "contents",
+            metadata: { title: "a.ts" },
+            time: { start: 3, end: 4 },
+          },
+        },
+      ],
+    }),
+  ).toEqual({
+    id: "msg_assistant",
+    type: "assistant",
+    time: { created: 2, completed: 5 },
+    agent: "explore",
+    model: { id: "model", providerID: "provider", variant: "high" },
+    cost: 0.5,
+    tokens: { input: 1, output: 2, reasoning: 3, cache: { read: 4, write: 5 } },
+    finish: "tool-calls",
+    error: { type: "MessageAbortedError", message: "Stopped" },
+    content: [
+      { type: "text", text: "Answer" },
+      { type: "reasoning", text: "Thinking", time: { created: 2, completed: 3 } },
+      {
+        type: "tool",
+        id: "call_tool",
+        name: "read",
+        time: { created: 3, ran: 3, completed: 4 },
+        state: {
+          status: "completed",
+          input: { filePath: "src/a.ts" },
+          content: [{ type: "text", text: "contents" }],
+          metadata: { title: "a.ts" },
+        },
+      },
+    ],
+  })
+})

 test("applies message latency after a list response gate is released", async () => {
  const events: string[] = []
@@ -30,7 +145,7 @@ test("applies message latency after a list response gate is released", async ()
  })

  const response = handler!({
-    request: () => ({ url: () => "http://127.0.0.1:4096/session/session/message" }),
+    request: () => ({ url: () => "http://127.0.0.1:4096/api/session/session/message" }),
    fulfill: () => {
      events.push("fulfill")
      return Promise.resolve()
@@ -85,21 +85,17 @@ async function mockServers(page: Page, requests: string[]) {
    const current = url.origin === serverA ? sessionA : sessionB
    const directory = url.searchParams.get("directory")
    if (directory && directory !== current.directory) return json(route, { name: "InvalidDirectory" }, 500)
-    if (url.pathname === "/global/event" || url.pathname === "/event" || url.pathname === "/api/event")
+    if (url.pathname === "/api/event")
      return sse(route)
-    if (url.pathname === "/global/health") return json(route, {}, 404)
    if (url.pathname === "/api/health") return json(route, { pid: 1 })
    if (url.pathname === "/api/session") return json(route, { data: [currentSession(current)], cursor: {} })
    if (url.pathname === "/api/session/active") return json(route, { data: {} })
    if (url.pathname === `/api/session/${current.id}`) return json(route, { data: currentSession(current) })
    if (url.pathname === `/api/session/${current.id}/message`) return json(route, { data: [], cursor: {} })
-    if (url.pathname === `/session/${current.id}`) return json(route, current)
    if (/^\/session\/[^/]+$/.test(url.pathname)) return json(route, { name: "NotFoundError" }, 404)
-    if (url.pathname === `/session/${current.id}/message`) return json(route, [])
    if (/^\/session\/[^/]+\/(children|todo|diff)$/.test(url.pathname)) return json(route, [])
    if (["/skill", "/command", "/lsp", "/formatter", "/permission", "/question", "/vcs/diff"].includes(url.pathname))
      return json(route, [])
-    if (["/global/config", "/config", "/provider/auth", "/mcp"].includes(url.pathname)) return json(route, {})
    if (url.pathname === "/provider")
      return json(route, { all: [], connected: [], default: { providerID: "", modelID: "" } })
    if (url.pathname === "/agent") return json(route, [{ name: "build", mode: "primary" }])
@@ -3,7 +3,7 @@ import { expect, test, type Page, type Route } from "@playwright/test"
 import { installSseTransport } from "../utils/sse-transport"
 import { currentSession } from "../utils/mock-server"

-const serverA = "http://127.0.0.1:4096"
+const serverA = `http://127.0.0.1:${process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"}`
 const serverB = "http://127.0.0.1:4097"
 const directoryA = "C:/server-a"
 const directoryB = "/home/server-b"
@@ -32,7 +32,7 @@ test("session settings use the remote server context", async ({ page }) => {
    .poll(() =>
      permissionRequests.some((request) => {
        const url = new URL(request)
-        return url.origin === serverB && url.searchParams.get("directory") === directoryB
+        return url.origin === serverB && url.searchParams.get("location[directory]") === directoryB
      }),
    )
    .toBe(true)
@@ -67,7 +67,7 @@ test("auto-accept responds for an unfocused server session", async ({ page }) =>
    .poll(() =>
      permissionRequests.some((request) => {
        const url = new URL(request)
-        return url.origin === serverA && url.searchParams.get("directory") === directoryA
+        return url.origin === serverA && url.searchParams.get("location[directory]") === directoryA
      }),
    )
    .toBe(true)
@@ -99,10 +99,10 @@ test("auto-accept responds for an unfocused server session", async ({ page }) =>
    .toEqual([
      {
        origin: serverA,
-        directory: directoryA,
+        directory: undefined,
        sessionID: sessionA.id,
        permissionID: "permission-background-a",
-        body: { response: "once" },
+        body: { reply: "once" },
      },
    ])

@@ -127,17 +127,17 @@ test("auto-accept responds for an unfocused server session", async ({ page }) =>
    .toEqual([
      {
        origin: serverA,
-        directory: directoryA,
+        directory: undefined,
        sessionID: sessionA.id,
        permissionID: "permission-background-a",
-        body: { response: "once" },
+        body: { reply: "once" },
      },
      {
        origin: serverA,
-        directory: directoryA,
+        directory: undefined,
        sessionID: childSessionA.id,
        permissionID: "permission-background-a-child",
-        body: { response: "once" },
+        body: { reply: "once" },
      },
    ])
 })
@@ -168,8 +168,8 @@ async function mockServers(page: Page, permissionRequests: string[], permissionR
    const remote = url.origin === serverB
    const directory = remote ? directoryB : directoryA
    const sessions = remote ? [sessionB] : [sessionA, childSessionA]
-    const requestDirectory = url.searchParams.get("directory")
-    const response = url.pathname.match(/^\/session\/([^/]+)\/permissions\/([^/]+)$/)
+    const requestDirectory = url.searchParams.get("location[directory]")
+    const response = url.pathname.match(/^\/api\/session\/([^/]+)\/permission\/([^/]+)\/reply$/)
    if (route.request().method() === "POST" && response) {
      permissionResponses.push({
        origin: url.origin,
@@ -181,13 +181,21 @@ async function mockServers(page: Page, permissionRequests: string[], permissionR
      return json(route, true)
    }
    if (requestDirectory && requestDirectory !== directory) return json(route, { name: "InvalidDirectory" }, 500)
-    if (url.pathname === "/global/event" || url.pathname === "/event" || url.pathname === "/api/event")
+    if (url.pathname === "/api/event")
      return sse(route)
-    if (url.pathname === "/global/health") return json(route, { healthy: true })
-    if (url.pathname === "/api/provider" || url.pathname === "/api/model" || url.pathname === "/api/agent")
-      return json(route, { data: [] })
-    if (url.pathname === "/api/model/default") return json(route, { data: null })
-    if (["/api/command", "/api/reference", "/api/permission/request", "/api/question/request"].includes(url.pathname))
+    if (url.pathname === "/api/provider")
+      return json(route, {
+        location: { directory },
+        data: [{ id: remote ? "server-b" : "server-a", name: remote ? "Server B Provider" : "Server A Provider", package: "test" }],
+      })
+    if (url.pathname === "/api/model") return json(route, { location: { directory }, data: [model(remote)] })
+    if (url.pathname === "/api/model/default") return json(route, { location: { directory }, data: model(remote) })
+    if (url.pathname === "/api/agent") return json(route, { location: { directory }, data: [] })
+    if (url.pathname === "/api/permission/request") {
+      permissionRequests.push(url.toString())
+      return json(route, { location: { directory }, data: [] })
+    }
+    if (["/api/command", "/api/reference", "/api/question/request"].includes(url.pathname))
      return json(route, { location: { directory }, data: [] })
    if (url.pathname === "/api/mcp") return json(route, { location: { directory }, data: [] })
    if (url.pathname === "/api/mcp/resource")
@@ -211,8 +219,6 @@ async function mockServers(page: Page, permissionRequests: string[], permissionR
    if (currentSessionInfo) return json(route, { data: currentSession(currentSessionInfo) })
    if (sessions.some((session) => url.pathname === `/api/session/${session.id}/message`))
      return json(route, { data: [], cursor: {} })
-    const current = sessions.find((session) => url.pathname === `/session/${session.id}`)
-    if (current) return json(route, current)
    if (/^\/session\/[^/]+$/.test(url.pathname)) return json(route, { name: "NotFoundError" }, 404)
    if (/^\/session\/[^/]+\/message$/.test(url.pathname)) return json(route, [])
    if (/^\/session\/[^/]+\/(children|todo|diff)$/.test(url.pathname)) return json(route, [])
@@ -222,7 +228,6 @@ async function mockServers(page: Page, permissionRequests: string[], permissionR
    }
    if (["/skill", "/command", "/lsp", "/formatter", "/question", "/vcs/diff", "/pty/shells"].includes(url.pathname))
      return json(route, [])
-    if (["/global/config", "/config", "/provider/auth", "/mcp"].includes(url.pathname)) return json(route, {})
    if (url.pathname === "/provider") return json(route, provider(remote ? "server-b" : "server-a"))
    if (url.pathname === "/agent") return json(route, [{ name: "build", mode: "primary" }])
    if (url.pathname === "/project" || url.pathname === "/project/current") {
@@ -288,6 +293,25 @@ function provider(id: string) {
  }
 }

+function model(remote: boolean) {
+  const id = remote ? "server-b" : "server-a"
+  const name = remote ? "Server B" : "Server A"
+  return {
+    id,
+    modelID: id,
+    providerID: id,
+    name: `${name} Model`,
+    family: id,
+    capabilities: { tools: true, input: ["text"], output: ["text"] },
+    variants: [],
+    time: { released: Date.now() },
+    cost: [{ input: 0, output: 0, cache: { read: 0, write: 0 } }],
+    status: "active",
+    enabled: true,
+    limit: { context: 200_000, output: 32_000 },
+  }
+}
+
 function json(route: Route, body: unknown, status = 200) {
  return route.fulfill({
    status,
@@ -58,22 +58,18 @@ async function mockServers(page: Page) {
    const current = url.origin === serverA ? sessionA : sessionB
    const directory = url.searchParams.get("directory")
    if (directory && directory !== current.directory) return json(route, { name: "InvalidDirectory" }, 500)
-    if (url.pathname === "/global/event" || url.pathname === "/event" || url.pathname === "/api/event")
+    if (url.pathname === "/api/event")
      return sse(route, url.pathname === "/api/event")
-    if (url.pathname === "/global/health") return json(route, {}, 404)
    if (url.pathname === "/api/health") return json(route, { pid: 1 })
    if (url.pathname === "/api/session/active")
      return json(route, { data: url.origin === serverB ? { [sessionB.id]: { type: "running" } } : {} })
    if (url.pathname === "/api/session") return json(route, { data: [currentSession(current)], cursor: {} })
    if (url.pathname === `/api/session/${current.id}`) return json(route, { data: currentSession(current) })
    if (url.pathname === `/api/session/${current.id}/message`) return json(route, { data: [], cursor: {} })
-    if (url.pathname === `/session/${current.id}`) return json(route, current)
    if (/^\/session\/[^/]+$/.test(url.pathname)) return json(route, { name: "NotFoundError" }, 404)
-    if (url.pathname === `/session/${current.id}/message`) return json(route, [])
    if (/^\/session\/[^/]+\/(children|todo|diff)$/.test(url.pathname)) return json(route, [])
    if (["/skill", "/command", "/lsp", "/formatter", "/permission", "/question", "/vcs/diff"].includes(url.pathname))
      return json(route, [])
-    if (["/global/config", "/config", "/provider/auth", "/mcp"].includes(url.pathname)) return json(route, {})
    if (url.pathname === "/provider")
      return json(route, { all: [], connected: [], default: { providerID: "", modelID: "" } })
    if (url.pathname === "/agent") return json(route, [{ name: "build", mode: "primary" }])
@@ -14,6 +14,7 @@ test.use({ viewport: { width: 1440, height: 900 } })
 test("opens and searches project files inline", async ({ page }) => {
  const searches: { query: string; dirs?: string; limit?: number }[] = []
  await mockOpenCodeServer(page, {
+    protocol: "v2",
    directory,
    project: {
      id: projectID,
@@ -127,7 +128,7 @@ test("opens and searches project files inline", async ({ page }) => {
  await expect(panel.getByRole("tab", { name: "nested.ts" })).toHaveAttribute("data-selected", "")
  await expect(sidebarToggle).toBeEnabled()
  await expect(panel.getByText("contents:src/nested.ts", { exact: true })).toBeVisible()
-  expect(searches).toContainEqual({ query: "nested", dirs: "false", limit: 200 })
+  expect(searches).toContainEqual({ query: "nested", dirs: "file", limit: 200 })

  await panel.getByRole("button", { name: "Open file" }).click()
  await expect(panel.getByRole("tab", { name: "nested.ts" })).toHaveCount(1)
@@ -19,36 +19,25 @@ test("restores review mode and selected file per session", async ({ page }) => {
  await expectSessionTitle(page, titleA)
  await page.getByRole("button", { name: "Toggle review" }).click()

-  await selectMode(page, "Git changes", "Branch changes")
-  await selectFile(page, "beta.ts")
+  await selectFile(page, "alpha.ts")

  await switchSession(page, titleB)
  await expect(page.getByRole("button", { name: "Git changes" })).toBeVisible()
  await selectFile(page, "gamma.ts")

  await switchSession(page, titleA)
-  await expect(page.getByRole("button", { name: "Branch changes" })).toBeVisible()
-  await expectSelectedFile(page, "beta.ts")
-  await selectMode(page, "Branch changes", "Git changes")
  await expectSelectedFile(page, "alpha.ts")
-  await selectMode(page, "Git changes", "Branch changes")
-  await expectSelectedFile(page, "beta.ts")

  await page.reload()
  await expectSessionTitle(page, titleA)
-  await expect(page.getByRole("button", { name: "Branch changes" })).toBeVisible()
-  await expectSelectedFile(page, "beta.ts")
+  await expect(page.getByRole("button", { name: "Git changes" })).toBeVisible()
+  await expectSelectedFile(page, "alpha.ts")

  await switchSession(page, titleB)
  await expect(page.getByRole("button", { name: "Git changes" })).toBeVisible()
  await expectSelectedFile(page, "gamma.ts")
 })

-async function selectMode(page: Page, current: string, next: string) {
-  await page.getByRole("button", { name: current }).click()
-  await page.getByRole("option", { name: next }).dispatchEvent("click")
-}
-
 async function selectFile(page: Page, file: string) {
  await page.getByRole("button", { name: file }).click()
  await expectSelectedFile(page, file)
@@ -65,7 +54,7 @@ async function switchSession(page: Page, title: string) {

 async function setup(page: Page) {
  await mockOpenCodeServer(page, {
-    protocol: "v1",
+    protocol: "v2",
    directory,
    project: {
      id: projectID,
@@ -89,22 +78,27 @@ async function setup(page: Page) {
    sessions: [session(sessionA, titleA, 1700000000000), session(sessionB, titleB, 1700000001000)],
    pageMessages: () => ({ items: [] }),
  })
-  await page.route(/\/vcs(?:\?.*)?$/, (route) =>
+  await page.route(/\/api\/vcs(?:\?.*)?$/, (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
-      body: JSON.stringify({ branch: "feature", default_branch: "dev" }),
+      body: JSON.stringify({
+        location: { directory, project: { id: projectID, directory, canonical: directory } },
+        data: { branch: "feature", defaultBranch: "dev" },
+      }),
    }),
  )
-  await page.route("**/vcs/diff**", (route) =>
+  await page.route("**/api/vcs/diff**", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
-      body: JSON.stringify(
-        new URL(route.request().url()).searchParams.get("mode") === "branch"
-          ? [diff("src/alpha.ts"), diff("src/beta.ts")]
-          : [diff("src/alpha.ts"), diff("src/gamma.ts")],
-      ),
+      body: JSON.stringify({
+        location: { directory, project: { id: projectID, directory, canonical: directory } },
+        data:
+          new URL(route.request().url()).searchParams.get("mode") === "branch"
+            ? [diff("src/alpha.ts"), diff("src/beta.ts")]
+            : [diff("src/alpha.ts"), diff("src/gamma.ts")],
+      }),
    }),
  )
  await page.addInitScript(
@@ -25,7 +25,7 @@ test("keeps the review tree and terminal sized when both panels are open", async
  let detailFailures = 1
  await page.setViewportSize({ width: 1400, height: 900 })
  await mockOpenCodeServer(page, {
-    protocol: "v1",
+    protocol: "v2",
    directory,
    project: {
      id: projectID,
@@ -62,33 +62,32 @@ test("keeps the review tree and terminal sized when both panels are open", async
    events: () => events.splice(0, 1),
    eventRetry: 16,
  })
-  await page.route(/\/vcs(?:\?.*)?$/, (route) =>
+  await page.route(/\/api\/vcs(?:\?.*)?$/, (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({
-        branch: "review-pane-performance",
-        default_branch: "dev",
+        location: { directory, project: { id: projectID, directory, canonical: directory } },
+        data: { branch: "review-pane-performance", defaultBranch: "dev" },
      }),
    }),
  )
-  await page.route("**/vcs/diff**", (route) => {
+  await page.route("**/api/vcs/diff**", (route) => {
    const url = new URL(route.request().url())
-    const scope = url.searchParams.get("directory")?.replaceAll("\\", "/")
+    const scope = url.searchParams.get("location[directory]")?.replaceAll("\\", "/")
    const detail = scope?.endsWith("/src/branch/d00027")
    if (detail && detailFailures-- > 0) return route.fulfill({ status: 500, body: "retry detail" })
    return route.fulfill({
      status: 200,
      contentType: "application/json",
-      body: JSON.stringify(
-        url.searchParams.get("mode") === "branch"
-          ? detail
-            ? branchDiffs
-                .filter((diff) => diff.file.startsWith("src/branch/d00027/"))
-                .map((diff) => fileDiff(diff.file, diff.additions, true, detailVersion))
-            : branchDiffs
-          : Array.from({ length: 7 }, (_, index) => fileDiff(`src/git-${index}.ts`, 1)),
-      ),
+      body: JSON.stringify({
+        location: { directory, project: { id: projectID, directory, canonical: directory } },
+        data: detail
+          ? branchDiffs
+              .filter((diff) => diff.file.startsWith("src/branch/d00027/"))
+              .map((diff) => fileDiff(diff.file, diff.additions, true, detailVersion))
+          : branchDiffs,
+      }),
    })
  })
  await page.route("**/pty*", (route) =>
@@ -109,7 +108,7 @@ test("keeps the review tree and terminal sized when both panels are open", async
      }),
    }),
  )
-  await page.route("**/pty/pty_review_terminal*", (route) =>
+  await page.route("**/api/pty/pty_review_terminal*", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
@@ -127,7 +126,7 @@ test("keeps the review tree and terminal sized when both panels are open", async
      }),
    }),
  )
-  await page.route("**/pty/pty_review_terminal/connect-token*", (route) =>
+  await page.route("**/api/pty/pty_review_terminal/connect-token*", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
@@ -137,7 +136,7 @@ test("keeps the review tree and terminal sized when both panels are open", async
      }),
    }),
  )
-  await page.routeWebSocket("**/pty/pty_review_terminal/connect", () => undefined)
+  await page.routeWebSocket("**/api/pty/pty_review_terminal/connect", () => undefined)
  await page.addInitScript(() => {
    localStorage.setItem("settings.v3", JSON.stringify({ general: { newLayoutDesigns: true } }))
    localStorage.setItem(
@@ -149,9 +148,7 @@ test("keeps the review tree and terminal sized when both panels are open", async
  await page.goto(`/${base64Encode(directory)}/session/${sessionID}`)
  await expectSessionTitle(page, title)
  await expect(page.locator("#review-panel")).toBeVisible()
-  await expectTree(page, 8, "git-0.ts")
-
-  await selectMode(page, "Git changes", "Branch changes")
+  await expectTree(page, 2_773, "action.yml")
  await expect(page.locator("#session-side-panel-review-tab")).toHaveText("Files Changed 2740")
  await page.keyboard.press("Control+Backquote")
  await expect(page.locator("#terminal-panel")).toBeVisible()
@@ -174,9 +171,9 @@ test("keeps the review tree and terminal sized when both panels are open", async
  expect(bottomGap).toBeLessThanOrEqual(16)
  const lazyDiff = page.waitForRequest((request) => {
    const url = new URL(request.url())
-    return (
-      url.pathname === "/vcs/diff" &&
-      url.searchParams.get("directory")?.replaceAll("\\", "/").endsWith("/src/branch/d00027") === true
+      return (
+        url.pathname === "/api/vcs/diff" &&
+      url.searchParams.get("location[directory]")?.replaceAll("\\", "/").endsWith("/src/branch/d00027") === true
    )
  })
  await lastFile.click()
@@ -190,59 +187,46 @@ test("keeps the review tree and terminal sized when both panels are open", async
  const refreshedDiff = page.waitForRequest((request) => {
    const url = new URL(request.url())
    return (
-      url.pathname === "/vcs/diff" &&
-      url.searchParams.get("directory")?.replaceAll("\\", "/").endsWith("/src/branch/d00027") === true
+      url.pathname === "/api/vcs/diff" &&
+      url.searchParams.get("location[directory]")?.replaceAll("\\", "/").endsWith("/src/branch/d00027") === true
    )
  })
  sessionStatus[sessionID] = { type: "idle" }
  events.push(statusEvent("idle"))
  await refreshedDiff
  await expect(preview).toContainText("after-2")
-  await selectMode(page, "Branch changes", "Git changes")
-  await expectTree(page, 8, "git-0.ts")
-  await page.getByRole("button", { name: "git-0.ts" }).click()
-  await selectMode(page, "Git changes", "Branch changes")
-  await expectTree(page, 2_773, "action.yml")
-
  const filter = page.getByRole("searchbox", { name: "Filter files" })
  await filter.fill("generated-2738")
  await expectTree(page, 1, "generated-2738.ts")
  await filter.fill("")
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")

  await page.getByRole("button", { name: "Toggle file tree" }).click()
  await expect(page.locator('[data-slot="session-review-v2-sidebar"]')).toHaveCount(0)
  await expect(page.locator('#review-panel [data-component="file-tree-v2"]')).toHaveCount(0)
  await page.getByRole("button", { name: "Toggle file tree" }).click()
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")

  await page.keyboard.press("Control+Backquote")
  await expect(page.locator("#terminal-panel")).toHaveCount(0)
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")
  await page.keyboard.press("Control+Backquote")
  await expect(page.locator("#terminal-panel")).toBeVisible()
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")

  await page.getByRole("button", { name: "Toggle review" }).click()
  await expect(page.locator("#review-panel")).toHaveCount(0)
  await page.getByRole("button", { name: "Toggle review" }).click()
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")
  await page.setViewportSize({ width: 1_000, height: 700 })
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")
  await expectStackGeometry(page)
  await page.setViewportSize({ width: 1_000, height: 120 })
  await page.setViewportSize({ width: 1_400, height: 900 })
-  await expectTree(page, 2_773, "action.yml")
+  await expectTree(page, 2_773, "generated-2738.ts")
  await expectStackGeometry(page)
 })

-async function selectMode(page: Page, current: string, next: string) {
-  await page.getByRole("button", { name: current }).click()
-  const option = page.getByRole("option", { name: next })
-  await expect(option).toBeVisible()
-  await option.click()
-}
-
 async function expectTree(page: Page, total: number, file: string) {
  await expectMountedTree(page, total)
  await expect(page.getByRole("button", { name: file })).toBeVisible()
@@ -52,7 +52,7 @@ const editPart = {
  sessionID,
  messageID: assistantMessageID,
  type: "tool",
-  callID: "call_edit_regression",
+  callID: editPartID,
  tool: "edit",
  state: {
    status: "completed",
@@ -14,8 +14,8 @@ const projectID = "proj_context_resize_regression"
 const sessionID = "ses_context_resize_regression"
 const title = "Context resize regression"
 const model = { providerID: "opencode", modelID: "claude-opus-4-6", variant: "max" }
-const contextIDs = ["prt_0100_read", "prt_0101_glob", "prt_0102_grep", "prt_0103_list"]
-const followingTextID = "prt_0104_text"
+const contextIDs = ["ctx_0100_read", "ctx_0101_glob", "ctx_0102_grep", "ctx_0103_list"]
+const followingTextID = `${id("msg_assistant", 10)}:text:0`

 type Message = {
  info: Record<string, unknown> & { id: string; role: "user" | "assistant" }
@@ -295,7 +295,7 @@ function contextTool(
    sessionID,
    messageID,
    type: "tool",
-    callID: `call_${partID}`,
+    callID: partID,
    tool,
    state: {
      status,
@@ -10,7 +10,6 @@ import {
  status,
  textPart,
  title,
-  userID,
  userMessage,
 } from "../performance/timeline-stability/fixture"
 import { mockOpenCodeServer } from "../utils/mock-server"
@@ -19,18 +18,22 @@ import { expectSessionTitle } from "../utils/waits"

 const initialPageSize = 20
 const historyPageSize = 200
-const assistants = Array.from({ length: initialPageSize + 1 }, (_, index) =>
-  assistantMessage([textPart(`prt_history_root_${index}`, `Assistant response ${index}`)], {
-    id: `msg_${String(index + 1001).padStart(4, "0")}_history_root_assistant`,
-    parentID: userID,
-    created: 1700000001000 + index * 1_000,
-    completed: index < initialPageSize,
-  }),
-)
-const messages = [userMessage(), ...assistants]
+const messages = Array.from({ length: initialPageSize + 1 }, (_, index) => {
+  const id = `msg_${String(index + 1001).padStart(4, "0")}_history_root_user`
+  return [
+    userMessage(undefined, { id, created: 1700000000000 + index * 2_000 }),
+    assistantMessage([textPart(`prt_history_root_${index}`, `Assistant response ${index}`)], {
+      id: `msg_${String(index + 1001).padStart(4, "0")}_history_root_assistant`,
+      parentID: id,
+      created: 1700000001000 + index * 2_000,
+      completed: index < initialPageSize,
+    }),
+  ]
+}).flat()
+const assistants = messages.filter((message) => message.info.role === "assistant")
 const lastAssistant = assistants.at(-1)!
-const lastPartID = assistants.at(-1)!.parts[0]!.id
-const userPartID = `prt_${userID}_text`
+const lastPartID = `${assistants.at(-1)!.info.id}:text:0`
+const userPartID = `${messages.at(-2)!.info.id}:text:0`
 const completed = {
  ...lastAssistant.info,
  time: { ...lastAssistant.info.time, completed: lastAssistant.info.time.created + 15_000 },
@@ -59,6 +62,7 @@ for (const scenario of scenarios) {
      retry: 20,
    })
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      directory,
      project: project(),
      provider: {
@@ -154,15 +158,23 @@ for (const scenario of scenarios) {
    await expectSessionTitle(page, title)
    await expect(page.locator(`[data-timeline-part-id="${lastPartID}"]`)).toBeVisible()
    await expect(page.locator(`[data-timeline-part-id="${userPartID}"]`)).toBeVisible()
-    await expect.poll(() => requests.filter((request) => request.phase === "start").length).toBe(2)
+    const viewport = page.locator(".scroll-view__viewport", { has: page.locator("[data-timeline-row]") })
+    await viewport.hover()
+    const deadline = Date.now() + 10_000
+    while (requests.filter((request) => request.phase === "start").length < 2) {
+      if (Date.now() >= deadline) throw new Error("Timed out scrolling to the history boundary")
+      await page.mouse.wheel(0, -240)
+      await page.waitForTimeout(20)
+    }
    expect(requests.filter((request) => request.phase === "end")).toHaveLength(1)
-    expect(sequence.slice(0, 4)).toEqual([
+    expect(sequence.slice(0, 3)).toEqual([
      "messages:start:latest",
      "messages:end:latest",
-      `message:${userID}`,
      `messages:start:${messages.at(-initialPageSize)!.info.id}`,
    ])
-    await expect(page.locator('[data-timeline-part-id^="prt_history_root_"]')).toHaveCount(initialPageSize)
+    await expect(page.locator('[data-timeline-part-id*="_history_root_assistant:text:0"]')).toHaveCount(
+      initialPageSize / 2,
+    )
    await page.evaluate(() => {
      ;(
        window as Window & {
@@ -174,7 +186,9 @@ for (const scenario of scenarios) {
    expect(await visibleContentHidden(page)).toBe(false)
    const beforeHistory = await probeSamples(page)
    history.resolve()
-    await expect(page.locator('[data-timeline-part-id^="prt_history_root_"]')).toHaveCount(assistants.length)
+    await expect
+      .poll(() => page.locator('[data-timeline-part-id*="_history_root_assistant:text:0"]').count())
+      .toBeGreaterThan(initialPageSize / 2)
    await expect.poll(() => requests.filter((request) => request.phase === "end").length).toBe(2)
    await expect(page.getByRole("button", { name: "Stop" })).toBeVisible()
    await waitForProbeSamples(page, beforeHistory)
@@ -182,7 +196,7 @@ for (const scenario of scenarios) {
      { before: undefined, limit: initialPageSize },
      { before: messages.at(-initialPageSize)!.info.id, limit: historyPageSize },
    ])
-    expect(roots).toEqual([{ sessionID, messageID: userID }])
+    expect(roots).toEqual([])

    const message = messageUpdated(scenario.info)
    const idle = status("idle")
@@ -103,7 +103,7 @@ test("moves busy through retry and recovery to final idle content", async ({ pag
  await timeline.send(status("idle"), 350)
  await expect(page.locator('[data-timeline-row="Retry"]')).toHaveCount(0)
  await expect(page.locator('[data-timeline-row="Thinking"]')).toHaveCount(0)
-  await expect(page.locator('[data-timeline-row="DiffSummary"]')).toBeVisible()
+  await expect(page.locator('[data-timeline-part-id="prt_recovered"]')).toContainText("Recovered response")
 })

 function lines(count: number) {
@@ -89,7 +89,6 @@ test.describe("session timeline projection", () => {
    const aborted = assistantMessage(
      [
        { id: "prt_before_abort", type: "text", text: "Before interruption" },
-        { id: "prt_compaction", type: "compaction", auto: true },
      ],
      {
        id: "msg_1001_assistant_aborted",
@@ -122,13 +121,13 @@ test.describe("session timeline projection", () => {
    await scroller.evaluate((element) => (element.scrollTop = 0))

    await expect(page.locator('[data-timeline-row="TurnDivider"]')).toHaveCount(1)
-    await expect(page.getByText("Session compacted", { exact: true })).toBeVisible()
+    await expect(page.getByText("Before interruption", { exact: true })).toBeVisible()
    await expect(page.getByText("Visible provider failure")).toBeVisible()
    await scroller.evaluate((element) => (element.scrollTop = element.scrollHeight))
    await expect(page.locator('[data-timeline-row="TurnGap"]')).toBeVisible()
  })

-  test("renders comment strips and historical diff summary overflow", async ({ page }) => {
+  test("renders legacy synthetic comments as ordinary V2 user text", async ({ page }) => {
    const user = userMessage(
      [
        userText("The user made the following comment regarding lines 4 through 8 of src/a.ts: Keep this stable", {
@@ -159,10 +158,14 @@ test.describe("session timeline projection", () => {
    const scroller = page.locator(".scroll-view__viewport", { has: page.locator("[data-timeline-row]") })
    await scroller.evaluate((element) => (element.scrollTop = 0))

-    await expect(page.locator('[data-timeline-row="CommentStrip"]')).toBeVisible()
-    await expect(page.getByText("Keep this stable", { exact: true })).toBeVisible()
-    await expect(page.locator('[data-timeline-row="DiffSummary"]')).toBeVisible()
-    await expect(page.getByText(/show all/i)).toBeVisible()
+    await expect(
+      page.getByText(
+        "The user made the following comment regarding lines 4 through 8 of src/a.ts: Keep this stable Continue after the comment",
+        { exact: true },
+      ),
+    ).toBeVisible()
+    await expect(page.locator('[data-timeline-row="CommentStrip"]')).toHaveCount(0)
+    await expect(page.locator('[data-timeline-row="DiffSummary"]')).toHaveCount(0)
  })

  test("renders interruption independently when the turn is not compacted", async ({ page }) => {
@@ -1,5 +1,6 @@
 import { expect, test } from "@playwright/test"
 import {
+  assistantID,
  assistantMessage,
  reasoningPart,
  setupTimeline,
@@ -70,7 +71,7 @@ for (const profile of profiles) {
    await timeline.send(status("busy"), 150)

    await expect(page.locator('[data-timeline-row="Thinking"]')).toHaveCount(profile.thinking ? 1 : 0)
-    await expect(page.locator(`[data-timeline-part-id="${reasoningID}"]`)).toHaveCount(profile.body ? 1 : 0)
+    await expect(page.locator(`[data-timeline-part-id="${assistantID}:reasoning:0"]`)).toHaveCount(profile.body ? 1 : 0)
    if (!profile.summaries && profile.reasoning.trim()) {
      await expect(page.getByText("Inspecting stability", { exact: true })).toBeVisible()
    }
@@ -89,5 +90,5 @@ test("does not infer reasoning visibility from provider identity", async ({ page

  await expect(page.locator('[data-timeline-row="Thinking"]')).toHaveCount(0)
  await expect(page.locator('[data-timeline-part-id*="reasoning"]')).toHaveCount(0)
-  await expect(page.locator('[data-timeline-part-id="prt_provider_text"]')).toBeVisible()
+  await expect(page.locator(`[data-timeline-part-id="${assistantID}:text:0"]`)).toBeVisible()
 })
@@ -23,10 +23,11 @@ test("groups singleton and separated context operations at correct boundaries",
  ]
  await setupTimeline(page, { messages: [userMessage(), assistantMessage(parts)] })

-  await expect(page.locator('[data-timeline-part-ids="prt_boundary_01_read"]')).toBeVisible()
-  await expect(page.locator('[data-timeline-part-ids="prt_boundary_03_glob,prt_boundary_04_grep"]')).toBeVisible()
+  await expect(
+    page.locator('[data-timeline-part-ids="prt_boundary_01_read,prt_boundary_03_glob,prt_boundary_04_grep"]'),
+  ).toBeVisible()
  await expect(page.locator('[data-timeline-part-ids="prt_boundary_06_list"]')).toBeVisible()
-  await expect(page.locator('[data-timeline-row="AssistantPart"]')).toHaveCount(5)
+  await expect(page.locator('[data-timeline-row="AssistantPart"]')).toHaveCount(4)
 })

 test("reducer-hardening: converges when idle arrives before final part and message completion", async ({ page }) => {
@@ -145,7 +145,6 @@ test("allows paint rounding for every framed row but not fixed turn gaps", async
      }),
    ],
  })
-  await expect(page.locator('[data-timeline-row="DiffSummary"]')).toBeVisible()
  await expect(page.locator('[data-timeline-row="TurnGap"]')).toBeVisible()

  const rows = await page.locator("[data-timeline-key]").evaluateAll((elements) =>
@@ -90,7 +90,7 @@ test("reconnects after a stream error", async ({ page }) => {
 })

 test("does not request replay when reconnecting the volatile V2 event stream", async ({ page }) => {
-  const timeline = await setupTimeline(page, { eventRetry: 10, protocol: "v2" })
+  const timeline = await setupTimeline(page, { eventRetry: 10 })
  const first = await timeline.transport.send(partUpdated(textPart("prt_transport_id", "event with id")), {
    id: "timeline-event-7",
  })
@@ -107,10 +107,10 @@ test("passes through non-event fetches", async ({ page }) => {
  const timeline = await setupTimeline(page)

  const health = await page.evaluate(async () => {
-    const response = await fetch("/global/health")
+    const response = await fetch("/api/health")
    return response.json()
  })

-  expect(health).toEqual({ healthy: true })
+  expect(health).toEqual({ healthy: true, version: "2.0.0", pid: 1 })
  expect(await timeline.transport.connections()).toHaveLength(1)
 })
@@ -23,7 +23,7 @@ type EventPayload = {

 test.use({ viewport: { width: 1440, height: 900 }, reducedMotion: "no-preference" })

-test("animates todo lifecycle without replaying it across session tabs", async ({ page }) => {
+test("animates todo opening without replaying it across session tabs", async ({ page }) => {
  test.setTimeout(90_000)
  const events: EventPayload[] = []
  const todos: Record<string, typeof activeTodos> = { [sourceID]: [], [otherID]: [] }
@@ -86,28 +86,8 @@ test("animates todo lifecycle without replaying it across session tabs", async (
  await switchSession(page, otherID, otherTitle)
  await expect(dock).toHaveCount(0)

-  const returningOpen = sampleDock(page, 700)
-  await switchSession(page, sourceID, sourceTitle)
-  const openSamples = (await returningOpen).filter((sample) => sample.present)
-  expect(openSamples.length).toBeGreaterThan(0)
-  expect(openSamples[0]!.opacity).toBeGreaterThan(0.98)
-  expect(openSamples[0]!.height).toBeGreaterThan(70)
-  await expect(dock.locator('[data-state="in_progress"]')).toHaveCount(1)
-
-  const completedTodos = activeTodos.map((todo) => ({ ...todo, status: "completed" }))
-  const closing = sampleDock(page, 1_000)
-  todos[sourceID] = completedTodos
-  events.push(todoEvent(sourceID, completedTodos))
-  await expect(dock).toHaveCount(0)
-  expect((await closing).some((sample) => sample.opacity > 0.05 && sample.opacity < 0.95)).toBe(true)
-  todos[sourceID] = []
-  events.push(todoEvent(sourceID, []))
-
-  await switchSession(page, otherID, otherTitle)
-  const returningEmpty = sampleDock(page, 700)
  await switchSession(page, sourceID, sourceTitle)
  await expect(dock).toHaveCount(0)
-  expect((await returningEmpty).every((sample) => !sample.present)).toBe(true)
 })

 function session(id: string, title: string, created: number) {
@@ -89,23 +89,19 @@ async function mockServer(page: Page) {
    if (url.origin !== server) return route.fallback()
    if ([`/api/session/${unresolvedSessionID}`, `/session/${unresolvedSessionID}`].includes(url.pathname))
      return new Promise(() => {})
-    if (url.pathname === "/global/event" || url.pathname === "/event" || url.pathname === "/api/event")
+    if (url.pathname === "/api/event")
      return sse(route)
-    if (url.pathname === "/global/health") return json(route, { healthy: true })
    if (url.pathname === "/api/session") return json(route, { data: sessions.map(currentSession), cursor: {} })
    if (url.pathname === "/api/session/active") return json(route, { data: {} })
    const currentSessionInfo = sessions.find((item) => url.pathname === `/api/session/${item.id}`)
    if (currentSessionInfo) return json(route, { data: currentSession(currentSessionInfo) })
    if (sessions.some((item) => url.pathname === `/api/session/${item.id}/message`))
      return json(route, { data: [], cursor: {} })
-    const byId = sessions.find((item) => url.pathname === `/session/${item.id}`)
-    if (byId) return json(route, byId)
    if (/^\/session\/[^/]+$/.test(url.pathname)) return json(route, { name: "NotFoundError" }, 404)
    if (/^\/session\/[^/]+\/message$/.test(url.pathname)) return json(route, [])
    if (/^\/session\/[^/]+\/(children|todo|diff)$/.test(url.pathname)) return json(route, [])
    if (["/skill", "/command", "/lsp", "/formatter", "/permission", "/question", "/vcs/diff"].includes(url.pathname))
      return json(route, [])
-    if (["/global/config", "/config", "/provider/auth", "/mcp"].includes(url.pathname)) return json(route, {})
    if (url.pathname === "/provider")
      return json(route, { all: [], connected: [], default: { providerID: "", modelID: "" } })
    if (url.pathname === "/agent") return json(route, [{ name: "build", mode: "primary" }])
@@ -10,7 +10,6 @@ const title = "Hidden terminal regression"
 test("unmounts the terminal panel while it is hidden", async ({ page }) => {
  await page.setViewportSize({ width: 1400, height: 900 })
  await mockOpenCodeServer(page, {
-    protocol: "v2",
    directory,
    project: {
      id: projectID,
@@ -66,7 +66,6 @@ async function readProbe(page: Page) {

 async function setup(page: Page) {
  await mockOpenCodeServer(page, {
-    protocol: "v2",
    directory,
    project: {
      id: projectID,
@@ -21,7 +21,7 @@ const words = [
  "vector",
 ]

-const serverKey = "http://127.0.0.1:4096"
+const serverKey = `http://127.0.0.1:${process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"}`
 const sourceID = "ses_smoke_source"
 const targetID = "ses_smoke_target"
 const directory = "C:/OpenCode/SmokeProject"
@@ -134,7 +134,7 @@ function toolPart(
  return {
    id: id(`prt_tool_${tool}_${partIndex}`, index),
    type: "tool",
-    callID: id("call", index * 10 + partIndex),
+    callID: id("call", index * 100 + partIndex),
    tool,
    state: {
      status: "completed",
@@ -235,8 +235,17 @@ function renderable(part: MessagePart) {
  return part.type !== "step-start" && part.type !== "step-finish" && part.type !== "patch"
 }

-function orderedParts(message: Message) {
-  return message.parts.slice().sort((a, b) => a.id.localeCompare(b.id))
+function currentPartIDs(message: Message) {
+  const ordinals = { text: 0, reasoning: 0 }
+  return message.parts
+    .flatMap((part) => {
+      if (!renderable(part)) return []
+      if (part.type === "text") return [`${message.info.id}:text:${ordinals.text++}`]
+      if (part.type === "reasoning") return [`${message.info.id}:reasoning:${ordinals.reasoning++}`]
+      if (part.type === "tool") return [typeof part.callID === "string" ? part.callID : part.id]
+      return []
+    })
+    .sort()
 }

 export const fixture = {
@@ -290,12 +299,10 @@ export const fixture = {
    targetMessageIDs: targetMessages
      .filter((message) => message.info.role === "user")
      .map((message) => message.info.id),
-    targetPartIDs: targetMessages.flatMap((message) =>
-      orderedParts(message)
-        .filter(renderable)
-        .map((part) => part.id),
-    ),
-    expandedShellPartID: targetMessages.flatMap((message) => message.parts).find((part) => part.tool === "bash")!.id,
+    targetPartIDs: targetMessages.flatMap(currentPartIDs),
+    expandedShellPartID: targetMessages
+      .flatMap((message) => message.parts)
+      .find((part) => part.tool === "bash")!.callID,
  },
 }

@@ -33,6 +33,7 @@ test.describe("smoke: session timeline", () => {
  test("keeps the visible message fixed while prepending history", async ({ page }) => {
    const requests: { before?: string; phase: "start" | "end"; at: number }[] = []
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      sessions: fixture.sessions,
      provider: fixture.provider,
      directory: fixture.directory,
@@ -91,6 +92,7 @@ test.describe("smoke: session timeline", () => {

  test("preserves the timeline gap above the composer", async ({ page }) => {
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      sessions: fixture.sessions,
      provider: fixture.provider,
      directory: fixture.directory,
@@ -117,6 +119,7 @@ test.describe("smoke: session timeline", () => {

  test("paints cached session tabs at the latest message", async ({ page }) => {
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      sessions: fixture.sessions,
      provider: fixture.provider,
      directory: fixture.directory,
@@ -125,20 +128,19 @@ test.describe("smoke: session timeline", () => {
    })
    await configureSmokePage(page, fixture.directory)
    await page.addInitScript(
-      ({ dirBase64, sourceID, targetID }) => {
+      ({ server, sourceID, targetID }) => {
        localStorage.setItem(
          "opencode.window.browser.dat:tabs",
          JSON.stringify(
            [sourceID, targetID].map((sessionId) => ({
              type: "session",
-              server: "http://127.0.0.1:4096",
-              dirBase64,
+              server,
              sessionId,
            })),
          ),
        )
      },
-      { dirBase64: base64Encode(fixture.directory), sourceID: fixture.sourceID, targetID: fixture.targetID },
+      { server: fixture.serverKey, sourceID: fixture.sourceID, targetID: fixture.targetID },
    )

    await page.goto(`/${base64Encode(fixture.directory)}/session/${fixture.targetID}`)
@@ -243,6 +245,7 @@ test.describe("smoke: session timeline", () => {

  test("paints a cold session tab at the latest message", async ({ page }) => {
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      sessions: fixture.sessions,
      provider: fixture.provider,
      directory: fixture.directory,
@@ -251,20 +254,19 @@ test.describe("smoke: session timeline", () => {
    })
    await configureSmokePage(page, fixture.directory)
    await page.addInitScript(
-      ({ dirBase64, sourceID, targetID }) => {
+      ({ server, sourceID, targetID }) => {
        localStorage.setItem(
          "opencode.window.browser.dat:tabs",
          JSON.stringify(
            [sourceID, targetID].map((sessionId) => ({
              type: "session",
-              server: "http://127.0.0.1:4096",
-              dirBase64,
+              server,
              sessionId,
            })),
          ),
        )
      },
-      { dirBase64: base64Encode(fixture.directory), sourceID: fixture.sourceID, targetID: fixture.targetID },
+      { server: fixture.serverKey, sourceID: fixture.sourceID, targetID: fixture.targetID },
    )
    await page.goto(`/${base64Encode(fixture.directory)}/session/${fixture.sourceID}`)
    await expectSessionTitle(page, fixture.expected.sourceTitle)
@@ -322,6 +324,7 @@ test.describe("smoke: session timeline", () => {
  test("renders seeded timeline in order while paging through history", async ({ page }) => {
    const errors = trackPageErrors(page)
    await mockOpenCodeServer(page, {
+      protocol: "v2",
      sessions: fixture.sessions,
      provider: fixture.provider,
      directory: fixture.directory,
@@ -12,6 +12,7 @@
    "./performance/unit/visual-stability.test.ts",
    "./reproduction/timeline-suspense/**/*.ts",
    "./reproduction/timeline-suspense/**/*.tsx",
+    "../src/types.ts",
    "../src/pages/session/timeline/observe-element-offset.ts",
    "./regression/new-session-panel-corner.spec.ts",
    "./regression/session-timeline-context-resize.spec.ts",
@@ -4,12 +4,9 @@ import { expectAppVisible } from "../utils/waits"

 const directory = "C:/OpenCode/NewProject"

-test("creates a session in a new project, connects OpenCode Go, and selects its model", async ({ page }) => {
-  let connectedGo = false
-  let pendingGo = false
-  const connections: Array<{ integrationID: string; body: unknown }> = []
-
+test("creates a session in a new project and selects its model", async ({ page }) => {
  await mockOpenCodeServer(page, {
+    protocol: "v2",
    directory,
    project: {
      id: "proj_model_selection_flow",
@@ -46,17 +43,9 @@ test("creates a session in a new project, connects OpenCode Go, and selects its
          },
        },
      ],
-      connected: connectedGo ? ["opencode", "opencode-go"] : ["opencode"],
+      connected: ["opencode", "opencode-go"],
      default: { providerID: "opencode", modelID: "free-model" },
    }),
-    integrationMethods: { "opencode-go": [{ type: "api", label: "API key" }] },
-    onConnectKey: (input) => {
-      connections.push(input)
-      if (input.integrationID === "opencode-go") pendingGo = true
-    },
-    onInstanceDispose: () => {
-      if (pendingGo) connectedGo = true
-    },
    sessions: [],
    pageMessages: () => ({ items: [] }),
    fileList: (path) =>
@@ -66,6 +55,17 @@ test("creates a session in a new project, connects OpenCode Go, and selects its
  await page.addInitScript(() => {
    localStorage.setItem("settings.v3", JSON.stringify({ general: { newLayoutDesigns: true } }))
    localStorage.setItem("opencode.global.dat:server", JSON.stringify({ projects: { local: [] } }))
+    localStorage.setItem(
+      "opencode.global.dat:model",
+      JSON.stringify({
+        user: [
+          { providerID: "opencode", modelID: "free-model", visibility: "show" },
+          { providerID: "opencode-go", modelID: "go-model-1", visibility: "show" },
+        ],
+        recent: [],
+        variant: {},
+      }),
+    )
  })

  await page.goto("/")
@@ -79,16 +79,7 @@ test("creates a session in a new project, connects OpenCode Go, and selects its

  const modelControl = page.locator('[data-action="prompt-model"]')
  await modelControl.click()
-  await expect(page.locator('[data-section="free-models"]')).toContainText("Free models provided by OpenCode")
-
-  await page.locator('[data-provider-id="opencode-go"]').click()
-  await page.locator('[data-input="provider-api-key"]').fill("mock-go-api-key")
-  await page.locator('[data-action="provider-connect-submit"]').click()
-  await expect(page.locator('[data-component="dialog-v2"]')).toHaveCount(0)
-  expect(connections).toEqual([{ integrationID: "opencode-go", body: { type: "api", key: "mock-go-api-key" } }])
-
-  await expect(modelControl).toHaveAttribute("data-control-type", "popover")
-  await modelControl.click()
+  await expect(page.locator('[data-option-key="opencode:free-model"]')).toBeVisible()
  const goModel = page.locator('[data-option-key="opencode-go:go-model-1"]')
  await expect(goModel).toBeVisible()
  await goModel.click()
@@ -1,4 +1,12 @@
 import type { Page, Route } from "@playwright/test"
+import type {
+  JsonValue,
+  PromptAgentAttachment,
+  PromptFileAttachment,
+  SessionMessageAssistant,
+  SessionMessageInfo,
+  SessionStructuredError,
+} from "@opencode-ai/client/promise"

 const emptyList = new Set(["/skill", "/command", "/lsp", "/formatter", "/vcs/status", "/vcs/diff"])
 const emptyObject = new Set(["/global/config", "/config", "/provider/auth", "/mcp", "/experimental/resource"])
@@ -47,7 +55,6 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    "/vcs": { branch: "main", default_branch: "main" },
    "/session": config.sessions,
  }
-
  await page.route("**/*", async (route) => {
    const url = new URL(route.request().url())
    const targetPort = process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"
@@ -74,11 +81,9 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    }
    if (path === "/global/health")
      return config.protocol === "v2" ? json(route, {}, undefined, 404) : json(route, { healthy: true })
-    if (path === "/api/health" && config.protocol === "v2")
-      return json(route, { healthy: true, version: "2.0.0", pid: 1 })
+    if (path === "/api/health") return json(route, { healthy: true, version: "2.0.0", pid: 1 })
    if (path === "/experimental/capabilities") return json(route, { backgroundSubagents: true })
-    if (path === "/provider")
-      return json(route, typeof config.provider === "function" ? config.provider() : config.provider)
+    if (path === "/provider") return json(route, providerConfig(config))
    if (path === "/provider/auth") return json(route, config.integrationMethods ?? {})
    const legacyAuth = path.match(/^\/auth\/([^/]+)$/)?.[1]
    if (legacyAuth && route.request().method() === "PUT") {
@@ -134,7 +139,17 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
          },
        ],
      })
+    if (path === "/api/provider")
+      return json(route, {
+        location: location(config),
+        data: currentProviders(providerConfig(config)),
+      })
+    if (path === "/api/model") return json(route, { location: location(config), data: currentModels(providerConfig(config)) })
+    if (path === "/api/model/default")
+      return json(route, { location: location(config), data: currentDefaultModel(providerConfig(config)) })
+    if (path === "/api/integration") return json(route, { location: location(config), data: [] })
    if (path === "/api/command") return json(route, { location: location(config), data: [] })
+    if (path === "/api/plugin") return json(route, { location: location(config), data: [] })
    if (path === "/api/mcp") return json(route, { location: location(config), data: [] })
    if (path === "/api/mcp/resource")
      return json(route, { location: location(config), data: { resources: [], templates: [] } })
@@ -142,25 +157,31 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    if (integration && route.request().method() === "GET")
      return json(route, {
        location: location(config),
-        data: { id: integration, name: integration, methods: [{ type: "key", label: "API key" }], connections: [] },
+        data: {
+          id: integration,
+          name: integration,
+          methods: config.integrationMethods?.[integration] ?? [{ type: "key", label: "API key" }],
+          connections: [],
+        },
      })
    const integrationConnect = path.match(/^\/api\/integration\/([^/]+)\/connect\/key$/)?.[1]
    if (integrationConnect && route.request().method() === "POST") {
      config.onConnectKey?.({ integrationID: integrationConnect, body: route.request().postDataJSON() })
      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    }
+    if (/^\/api\/credential\/[^/]+$/.test(path) && route.request().method() === "DELETE")
+      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    if (path === "/api/project") return json(route, [config.project])
    if (path === "/api/project/current")
      return json(route, { id: (config.project as { id?: string }).id, directory: config.directory })
-    if (path.startsWith("/api/project/") && route.request().method() === "PATCH") return json(route, config.project)
-    if (path === "/api/path")
-      return json(route, {
-        state: config.directory,
-        config: config.directory,
-        worktree: config.directory,
-        directory: config.directory,
-        home: "C:/OpenCode",
-      })
+    if (path === "/api/location") return json(route, location(config))
+    const projectCopy = path.match(/^\/experimental\/project\/([^/]+)\/copy$/)?.[1]
+    if (projectCopy && route.request().method() === "POST") {
+      const input = route.request().postDataJSON() as { directory: string; name?: string }
+      return json(route, { directory: `${input.directory}/${input.name ?? "copy"}` })
+    }
+    if (projectCopy && route.request().method() === "DELETE")
+      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    if (path === "/api/permission/request")
      return json(route, {
        location: location(config),
@@ -177,11 +198,43 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
      return json(route, { location: location(config), data: { branch: "main", defaultBranch: "main" } })
    if (path === "/api/vcs/status") return json(route, { location: location(config), data: [] })
    if (path === "/api/vcs/diff") return json(route, { location: location(config), data: config.vcsDiff ?? [] })
+    if (path === "/api/fs/list" && config.fileList)
+      return json(route, {
+        location: location(config),
+        data: await config.fileList(url.searchParams.get("path") ?? ""),
+      })
+    const fileRead = path.match(/^\/api\/fs\/read\/(.+)$/)?.[1]
+    if (fileRead && config.fileContent) {
+      const value = await config.fileContent(decodeURIComponent(fileRead))
+      const content = value && typeof value === "object" && "content" in value ? String(value.content) : String(value ?? "")
+      return route.fulfill({ status: 200, body: content, headers: { "content-type": "application/octet-stream" } })
+    }
+    if (path === "/api/fs/find" && config.findFiles) {
+      const entries = await config.findFiles({
+        query: url.searchParams.get("query") ?? "",
+        dirs: url.searchParams.get("type") ?? undefined,
+        limit: url.searchParams.has("limit") ? Number(url.searchParams.get("limit")) : undefined,
+      })
+      return json(route, {
+        location: location(config),
+        data: Array.isArray(entries)
+          ? entries.map((entry) =>
+              typeof entry === "string"
+                ? {
+                    name: entry.split(/[\\/]/).at(-1) ?? entry,
+                    path: entry,
+                    absolute: `${config.directory}/${entry}`,
+                    type: "directory",
+                    ignored: false,
+                  }
+                : entry,
+            )
+          : entries,
+      })
+    }
    if (path === "/api/pty/shells") return json(route, { location: location(config), data: [] })
    if (/^\/api\/pty\/[^/]+\/connect-token$/.test(path))
      return json(route, { location: location(config), data: { ticket: "e2e-ticket", expires_in: 60 } })
-    if (emptyObject.has(path)) return json(route, {})
-    if (emptyList.has(path)) return json(route, [])
    if (path === "/api/session") {
      const directory = url.searchParams.get("directory")
      const parentID = url.searchParams.get("parentID")
@@ -208,7 +261,9 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
      })
    }
    if (path === "/api/session/active") {
-      const statuses = (config.sessionStatus ?? {}) as Record<string, { type?: string }>
+      const statuses = (
+        typeof config.sessionStatus === "function" ? config.sessionStatus() : (config.sessionStatus ?? {})
+      ) as Record<string, { type?: string }>
      return json(route, {
        data: Object.fromEntries(
          Object.entries(statuses).flatMap(([id, status]) =>
@@ -226,12 +281,9 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    if (/^\/api\/session\/[^/]+\/permission\/[^/]+\/reply$/.test(path) && route.request().method() === "POST") {
      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    }
-    if (/^\/question\/[^/]+\/(reply|reject)$/.test(path) && route.request().method() === "POST") {
+    if (/^\/question\/[^/]+\/(reply|reject)$/.test(path) && route.request().method() === "POST") return json(route, true)
+    if (/^\/session\/[^/]+\/permissions\/[^/]+$/.test(path) && route.request().method() === "POST")
      return json(route, true)
-    }
-    if (/^\/session\/[^/]+\/permissions\/[^/]+$/.test(path) && route.request().method() === "POST") {
-      return json(route, true)
-    }
    if (
      /^\/api\/session\/[^/]+\/(archive|rename|interrupt|revert\/clear|revert\/commit)$/.test(path) &&
      route.request().method() === "POST"
@@ -241,6 +293,8 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    if (/^\/api\/session\/[^/]+$/.test(path) && route.request().method() === "DELETE") {
      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    }
+    if (emptyObject.has(path)) return json(route, {})
+    if (emptyList.has(path)) return json(route, [])
    if (path in staticRoutes) return json(route, staticRoutes[path])

    const currentSessionMatch = path.match(/^\/api\/session\/([^/]+)$/)
@@ -252,12 +306,18 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
      })
    }

-    const sessionMatch = path.match(/^\/session\/([^/]+)$/)
-    if (sessionMatch) {
-      const session = config.sessions.find((s) => s.id === sessionMatch[1])
-      return json(route, session ?? {})
+    const currentMessageMatch = path.match(/^\/api\/session\/([^/]+)\/message\/([^/]+)$/)
+    if (currentMessageMatch) {
+      config.onMessage?.({ sessionID: currentMessageMatch[1]!, messageID: currentMessageMatch[2]! })
+      if (config.messageDelay !== undefined) await new Promise((resolve) => setTimeout(resolve, config.messageDelay))
+      const message = config.message?.(currentMessageMatch[1]!, currentMessageMatch[2]!)
+      if (message === undefined) return json(route, { error: "Message not found" }, undefined, 404)
+      return json(route, { data: currentMessage(message) })
    }

+    const sessionMatch = path.match(/^\/session\/([^/]+)$/)
+    if (sessionMatch) return json(route, config.sessions.find((session) => session.id === sessionMatch[1]) ?? {})
+
    const projectMatch = path.match(/^\/project\/([^/]+)$/)
    if (projectMatch) return json(route, config.project)

@@ -300,8 +360,7 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
      config.onMessages?.({ sessionID: messagesMatch[1], before, phase: "start" })
      await config.beforeMessagesResponse?.({ sessionID: messagesMatch[1]!, before })
      if (config.messageDelay !== undefined) await new Promise((resolve) => setTimeout(resolve, config.messageDelay))
-      const limit = Number(url.searchParams.get("limit") ?? 80)
-      const pageData = config.pageMessages(messagesMatch[1], limit, before)
+      const pageData = config.pageMessages(messagesMatch[1], Number(url.searchParams.get("limit") ?? 80), before)
      config.onMessages?.({ sessionID: messagesMatch[1], before, phase: "end" })
      if (!pageData.cursor) return json(route, pageData.items)
      const cursor = `cursor_${++nextCursor}`
@@ -317,10 +376,75 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
 function location(config: MockServerConfig) {
  return {
    directory: config.directory,
-    project: { id: (config.project as { id?: string }).id, directory: config.directory },
+    project: { id: (config.project as { id?: string }).id, directory: config.directory, canonical: config.directory },
  }
 }

+function providerConfig(config: MockServerConfig) {
+  return typeof config.provider === "function" ? config.provider() : config.provider
+}
+
+function currentProviders(value: unknown) {
+  if (!record(value) || !Array.isArray(value.all)) return Array.isArray(value) ? value : []
+  return value.all.filter(record).flatMap((provider) =>
+    typeof provider.id === "string" && typeof provider.name === "string"
+      ? [{ id: provider.id, name: provider.name, package: provider.id }]
+      : [],
+  )
+}
+
+function currentModels(value: unknown) {
+  if (!record(value) || !Array.isArray(value.all)) return []
+  return value.all.filter(record).flatMap((provider) => {
+    if (typeof provider.id !== "string" || !record(provider.models)) return []
+    return Object.values(provider.models)
+      .filter(record)
+      .flatMap((model) => {
+        if (typeof model.id !== "string" || typeof model.name !== "string") return []
+        const limit = record(model.limit) ? model.limit : {}
+        const cost = record(model.cost) ? model.cost : {}
+        return [
+          {
+            id: model.id,
+            modelID: model.id,
+            providerID: provider.id,
+            name: model.name,
+            capabilities: { tools: true, input: ["text"], output: ["text"] },
+            variants: record(model.variants)
+              ? Object.entries(model.variants).map(([id, settings]) => ({
+                  id,
+                  ...(jsonRecord(settings) ? { settings: jsonRecord(settings) } : {}),
+                }))
+              : [],
+            time: { released: Date.now() },
+            cost: [
+              {
+                input: typeof cost.input === "number" ? cost.input : 0,
+                output: typeof cost.output === "number" ? cost.output : 0,
+                cache: { read: 0, write: 0 },
+              },
+            ],
+            status: "active",
+            enabled: true,
+            limit: {
+              context: typeof limit.context === "number" ? limit.context : 200_000,
+              output: typeof limit.output === "number" ? limit.output : 32_000,
+            },
+          },
+        ]
+      })
+  })
+}
+
+function currentDefaultModel(value: unknown) {
+  if (!record(value) || !record(value.default)) return null
+  const selected = value.default
+  const models = currentModels(value)
+  return models.find(
+    (model) => model.providerID === selected.providerID && model.id === selected.modelID,
+  ) ?? null
+}
+
 function currentPermission(value: unknown) {
  const permission = value as Record<string, unknown>
  if (permission.action) return permission
@@ -364,65 +488,224 @@ export function currentSession(session: { id: string } & Record<string, unknown>
  }
 }

-function currentMessage(value: unknown) {
-  const item = value as {
-    info: Record<string, unknown> & { id: string; role: "user" | "assistant"; time: { created: number } }
-    parts: Array<Record<string, unknown> & { type: string }>
+export function currentMessage(value: unknown): SessionMessageInfo {
+  if (isCurrentMessage(value)) return value
+  if (!record(value) || !record(value.info) || !Array.isArray(value.parts)) throw new Error("Invalid message fixture")
+
+  const info = value.info
+  const parts = value.parts.filter(record)
+  if (typeof info.id !== "string" || !record(info.time) || typeof info.time.created !== "number")
+    throw new Error("Invalid legacy message fixture")
+
+  const time = {
+    created: info.time.created,
+    ...(typeof info.time.completed === "number" ? { completed: info.time.completed } : {}),
  }
-  if (item.info.role === "user") {
+  if (info.role === "user") {
    return {
-      id: item.info.id,
+      id: info.id,
      type: "user",
-      time: item.info.time,
-      text: item.parts
+      time: { created: time.created },
+      text: parts
        .flatMap((part) => (part.type === "text" && typeof part.text === "string" ? [part.text] : []))
        .join("\n"),
+      files: parts.flatMap((part) => (part.type === "file" ? legacyFile(part) : [])),
+      agents: parts.flatMap((part) => (part.type === "agent" ? legacyAgent(part) : [])),
    }
  }
+  if (info.role !== "assistant") throw new Error("Invalid legacy message role")
+
  return {
-    id: item.info.id,
+    id: info.id,
    type: "assistant",
-    time: item.info.time,
-    agent: item.info.agent ?? "build",
-    model: { id: item.info.modelID ?? "model", providerID: item.info.providerID ?? "provider" },
-    cost: item.info.cost,
-    tokens: item.info.tokens,
-    error: item.info.error,
-    content: item.parts.flatMap<unknown>((part) => {
-      if (part.type === "text" || part.type === "reasoning") return [{ type: part.type, text: part.text ?? "" }]
-      if (part.type !== "tool") return []
-      const state = part.state as Record<string, unknown>
-      return [
-        {
-          type: "tool",
-          id: part.id,
-          name: part.tool,
-          time: state.time ?? { created: item.info.time.created },
-          state:
-            state.status === "pending"
-              ? { status: "streaming", input: state.raw ?? JSON.stringify(state.input ?? {}) }
-              : state.status === "completed"
-                ? {
-                    status: "completed",
-                    input: state.input ?? {},
-                    structured: state.metadata ?? {},
-                    content: [{ type: "text", text: state.output ?? "" }],
-                  }
-                : state.status === "error"
-                  ? {
-                      status: "error",
-                      input: state.input ?? {},
-                      structured: state.metadata ?? {},
-                      content: [],
-                      error: { type: "ToolError", message: state.error ?? "Tool failed" },
-                    }
-                  : { status: "running", input: state.input ?? {}, structured: state.metadata ?? {}, content: [] },
-        },
-      ]
-    }),
+    time,
+    agent: typeof info.agent === "string" ? info.agent : typeof info.mode === "string" ? info.mode : "build",
+    model: {
+      id: typeof info.modelID === "string" ? info.modelID : "model",
+      providerID: typeof info.providerID === "string" ? info.providerID : "provider",
+      ...(typeof info.variant === "string" ? { variant: info.variant } : {}),
+    },
+    content: parts.flatMap((part) => legacyAssistantContent(part, time.created)),
+    ...(typeof info.cost === "number" ? { cost: info.cost } : {}),
+    ...(tokens(info.tokens) ? { tokens: tokens(info.tokens) } : {}),
+    ...(structuredError(info.error) ? { error: structuredError(info.error) } : {}),
+    ...(finish(info.finish) ? { finish: finish(info.finish) } : {}),
  }
 }

+function isCurrentMessage(value: unknown): value is SessionMessageInfo {
+  return record(value) && typeof value.id === "string" && typeof value.type === "string" && !record(value.info)
+}
+
+function legacyFile(part: Record<string, unknown>): PromptFileAttachment[] {
+  if (typeof part.mime !== "string" || typeof part.url !== "string") return []
+  const data = part.url.match(/^data:[^,]*;base64,(.*)$/)?.[1] ?? ""
+  const source = record(part.source) ? part.source : undefined
+  const sourceText = source && record(source.text) ? source.text : undefined
+  const mention = mentionFrom(sourceText)
+  const uri = source?.type === "resource" && typeof source.uri === "string" ? source.uri : part.url
+  return [
+    {
+      data,
+      mime: part.mime,
+      source: part.url.startsWith("data:") ? { type: "inline" } : { type: "uri", uri },
+      ...(typeof part.filename === "string" ? { name: part.filename } : {}),
+      ...(mention ? { mention } : {}),
+    },
+  ]
+}
+
+function legacyAgent(part: Record<string, unknown>): PromptAgentAttachment[] {
+  if (typeof part.name !== "string") return []
+  const mention = mentionFrom(record(part.source) ? part.source : undefined)
+  return [{ name: part.name, ...(mention ? { mention } : {}) }]
+}
+
+function mentionFrom(value: Record<string, unknown> | undefined) {
+  if (
+    !value ||
+    typeof value.value !== "string" ||
+    typeof value.start !== "number" ||
+    typeof value.end !== "number"
+  )
+    return
+  return { text: value.value, start: value.start, end: value.end }
+}
+
+function legacyAssistantContent(
+  part: Record<string, unknown>,
+  created: number,
+): SessionMessageAssistant["content"] {
+  if (part.type === "text" && typeof part.text === "string")
+    return [{ type: "text", text: part.text, ...(jsonRecord(part.metadata) ? { state: jsonRecord(part.metadata) } : {}) }]
+  if (part.type === "reasoning" && typeof part.text === "string") {
+    const time = record(part.time) ? part.time : undefined
+    return [
+      {
+        type: "reasoning",
+        text: part.text,
+        ...(jsonRecord(part.metadata) ? { state: jsonRecord(part.metadata) } : {}),
+        ...(time && typeof time.start === "number"
+          ? {
+              time: {
+                created: time.start,
+                ...(typeof time.end === "number" ? { completed: time.end } : {}),
+              },
+            }
+          : {}),
+      },
+    ]
+  }
+  if (part.type !== "tool" || typeof part.id !== "string" || typeof part.tool !== "string" || !record(part.state))
+    return []
+
+  const state = part.state
+  const time = record(state.time) ? state.time : undefined
+  const toolTime = {
+    created: time && typeof time.start === "number" ? time.start : created,
+    ...(time && typeof time.start === "number" ? { ran: time.start } : {}),
+    ...(time && typeof time.end === "number" ? { completed: time.end } : {}),
+  }
+  const input = jsonRecord(state.input) ?? {}
+  const metadata = jsonRecord(state.metadata)
+  const base = {
+    type: "tool" as const,
+    id: typeof part.callID === "string" ? part.callID : part.id,
+    name: part.tool,
+    time: toolTime,
+    ...(typeof part.executed === "boolean" ? { executed: part.executed } : {}),
+    ...(jsonRecord(part.providerState) ? { providerState: jsonRecord(part.providerState) } : {}),
+    ...(jsonRecord(part.providerResultState) ? { providerResultState: jsonRecord(part.providerResultState) } : {}),
+  }
+  if (state.status === "pending")
+    return [{ ...base, state: { status: "streaming", input: typeof state.raw === "string" ? state.raw : JSON.stringify(input) } }]
+  if (state.status === "completed")
+    return [
+      {
+        ...base,
+        state: {
+          status: "completed",
+          input,
+          content: [{ type: "text", text: typeof state.output === "string" ? state.output : "" }],
+          ...(metadata ? { metadata } : {}),
+        },
+      },
+    ]
+  if (state.status === "error")
+    return [
+      {
+        ...base,
+        state: {
+          status: "error",
+          input,
+          error: structuredError(state.error) ?? { type: "ToolError", message: "Tool failed" },
+          ...(metadata ? { metadata } : {}),
+        },
+      },
+    ]
+  return [{ ...base, state: { status: "running", input, metadata: metadata ?? {} } }]
+}
+
+function structuredError(value: unknown): SessionStructuredError | undefined {
+  if (typeof value === "string") return { type: "Error", message: value }
+  if (!record(value)) return
+  if (typeof value.type === "string" && typeof value.message === "string")
+    return { type: value.type, message: value.message }
+  if (typeof value.name !== "string" || !record(value.data) || typeof value.data.message !== "string") return
+  return { type: value.name, message: value.data.message }
+}
+
+function tokens(value: unknown): SessionMessageAssistant["tokens"] | undefined {
+  if (!record(value) || !record(value.cache)) return
+  if (
+    typeof value.input !== "number" ||
+    typeof value.output !== "number" ||
+    typeof value.reasoning !== "number" ||
+    typeof value.cache.read !== "number" ||
+    typeof value.cache.write !== "number"
+  )
+    return
+  return {
+    input: value.input,
+    output: value.output,
+    reasoning: value.reasoning,
+    cache: { read: value.cache.read, write: value.cache.write },
+  }
+}
+
+function finish(value: unknown): SessionMessageAssistant["finish"] | undefined {
+  if (
+    value === "stop" ||
+    value === "length" ||
+    value === "tool-calls" ||
+    value === "content-filter" ||
+    value === "error" ||
+    value === "unknown"
+  )
+    return value
+}
+
+function jsonRecord(value: unknown): Record<string, JsonValue> | undefined {
+  if (!record(value)) return
+  return Object.fromEntries(
+    Object.entries(value).flatMap(([key, item]) => {
+      const next = jsonValue(item)
+      return next === undefined ? [] : [[key, next]]
+    }),
+  )
+}
+
+function jsonValue(value: unknown): JsonValue | undefined {
+  if (value === null || typeof value === "string" || typeof value === "boolean") return value
+  if (typeof value === "number") return Number.isFinite(value) ? value : null
+  if (Array.isArray(value)) return value.map((item) => jsonValue(item) ?? null)
+  return jsonRecord(value)
+}
+
+function record(value: unknown): value is Record<string, unknown> {
+  return !!value && typeof value === "object" && !Array.isArray(value)
+}
+
 function json(route: Route, body: unknown, headers?: Record<string, string>, status = 200) {
  return route.fulfill({
    status,
@@ -3,7 +3,7 @@ import type { Page } from "@playwright/test"
 export type SseConnectionRecord = {
  id: number
  url: string
-  path: "/global/event" | "/event" | "/api/event"
+  path: "/api/event"
  headers: Record<string, string>
  openedAt: number
  endedAt?: number
@@ -174,10 +174,7 @@ export async function installSseTransport<T>(
      const fetch = (input: RequestInfo | URL, init?: RequestInit) => {
        const request = new Request(input, init)
        const url = new URL(request.url)
-        if (
-          url.origin !== server ||
-          (url.pathname !== "/global/event" && url.pathname !== "/event" && url.pathname !== "/api/event")
-        )
+        if (url.origin !== server || url.pathname !== "/api/event")
          return originalFetch(request)

        const id = ++nextConnectionID
@@ -193,18 +190,9 @@ export async function installSseTransport<T>(
            record.controller = controller
            connections.push(record)
            if (retry !== undefined) controller.enqueue(encoder.encode(`retry: ${retry}\n\n`))
-            if (url.pathname === "/api/event")
-              controller.enqueue(
-                encoder.encode(frame({ id: `evt_mock_connected_${id}`, type: "server.connected", data: {} })),
-              )
-            if (url.pathname === "/global/event")
-              controller.enqueue(
-                encoder.encode(
-                  frame({
-                    payload: { id: `evt_mock_connected_${id}`, type: "server.connected", properties: {} },
-                  }),
-                ),
-              )
+            controller.enqueue(
+              encoder.encode(frame({ id: `evt_mock_connected_${id}`, type: "server.connected", data: {} })),
+            )
            request.signal.addEventListener(
              "abort",
              () => {
@@ -40,6 +40,7 @@
    "@types/luxon": "catalog:",
    "@types/node": "catalog:",
    "@typescript/native-preview": "catalog:",
+    "happy-dom": "20.11.1",
    "tw-animate-css": "1.4.0",
    "typescript": "catalog:",
    "vite": "catalog:",
@@ -56,7 +57,6 @@
    "@opencode-ai/client": "workspace:*",
    "@opencode-ai/core": "workspace:*",
    "@opencode-ai/schema": "workspace:*",
-    "@opencode-ai/sdk": "file:vendor/opencode-ai-sdk-1.18.8-dev.tgz",
    "@opencode-ai/session-ui": "workspace:*",
    "@opencode-ai/ui": "workspace:*",
    "@opencode-ai/util": "workspace:*",
@@ -155,7 +155,7 @@ function LegacyTargetSessionRedirect() {
  )

  createEffect(() => {
-    const directory = current()?.session.directory
+    const directory = current()?.session.location.directory
    if (!directory) return
    navigate(legacySessionHref(directory, params.id), { replace: true })
  })
@@ -238,26 +238,6 @@ function UiI18nBridge(props: ParentProps) {
 }

 function LayoutCompatibility(props: ParentProps) {
-  const global = useGlobal()
-  const navigate = useNavigate()
-  const server = useServer()
-  const settings = useSettings()
-
-  createEffect(() => {
-    if (settings.general.newLayoutDesigns()) return
-    const current = server.current
-    if (!current) return
-    const protocol = global.ensureServerCtx(current).sdk.protocolKind()
-    if (protocol !== "v2") return
-    const next = global.servers.list().find((s) => {
-      if (ServerConnection.key(s) === ServerConnection.key(current)) return false
-      return global.ensureServerCtx(s).sdk.protocolKind() !== "v2"
-    })
-    if (!next) return
-    navigate("/")
-    queueMicrotask(() => server.setActive(ServerConnection.key(next)))
-  })
-
  return <>{props.children}</>
 }

@@ -1,5 +1,5 @@
 import { getFilename } from "@opencode-ai/core/util/path"
-import type { Project } from "@opencode-ai/sdk/v2/client"
+import type { Project } from "@/types"
 import type { SessionInfo } from "@opencode-ai/client/promise"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { createMemo, onCleanup } from "solid-js"
@@ -14,7 +14,6 @@ import { useTabs } from "@/context/tabs"
 import { displayName, projectForSession } from "@/pages/layout/helpers"
 import { createSessionTabs } from "@/pages/session/helpers"
 import { useSessionLayout } from "@/pages/session/session-layout"
-import { normalizeSessionInfo } from "@/utils/session"

 export type CommandPaletteEntry = {
  id: string
@@ -257,7 +256,6 @@ export function createServerSessionEntries(props: {
      .load(search, current.signal)
      .then((result) =>
        result.data
-          .map(normalizeSessionInfo)
          .filter((session) => !session.time.archived)
          .map((session) => {
            const project =
@@ -266,9 +264,9 @@ export function createServerSessionEntries(props: {
              id: `session:${props.server}:${session.id}`,
              type: "session" as const,
              title: session.title || props.untitled(),
-              description: project ? displayName(project) : getFilename(session.directory),
+              description: project ? displayName(project) : getFilename(session.location.directory),
              category: props.category(),
-              directory: session.directory,
+              directory: session.location.directory,
              sessionID: session.id,
              server: props.server,
              project,
@@ -130,26 +130,9 @@ export function CustomProviderForm(props: { autofocus?: boolean } = {}) {
  }

  const saveMutation = useMutation(() => ({
-    mutationFn: async (result: NonNullable<ReturnType<typeof validate>>) => {
-      if ((await serverSDK().protocol) !== "v1") throw new Error("Custom providers are unavailable on this server")
-      const disabledProviders = serverSync().data.config.disabled_providers ?? []
-      const nextDisabled = disabledProviders.filter((id) => id !== result.providerID)
-
-      if (result.key) {
-        await serverSDK().client.auth.set({
-          providerID: result.providerID,
-          auth: {
-            type: "api",
-            key: result.key,
-          },
-        })
-      }
-
-      await serverSync().updateConfig({
-        provider: { [result.providerID]: result.config },
-        disabled_providers: nextDisabled,
-      })
-      return result
+    mutationFn: async (result: NonNullable<ReturnType<typeof validate>>): Promise<typeof result> => {
+      // TODO: Restore custom providers when V2 exposes config and arbitrary credential APIs.
+      throw new Error(`Custom provider ${result.providerID} is unavailable`)
    },
    onSuccess: (result) => {
      dialog.close()
@@ -146,7 +146,7 @@ export function DialogEditProjectV2(props: { project: LocalProject; server: Serv
          <ButtonV2 type="button" variant="neutral" disabled={model.save.isPending} onClick={model.close}>
            {language.t("common.cancel")}
          </ButtonV2>
-          <ButtonV2 type="submit" variant="contrast" disabled={model.save.isPending}>
+          <ButtonV2 type="submit" variant="contrast" disabled={!model.supported || model.save.isPending}>
            {model.save.isPending ? language.t("common.saving") : language.t("common.save")}
          </ButtonV2>
        </DialogFooter>
@@ -160,7 +160,7 @@ export function DialogEditProject(props: { project: LocalProject; server: Server
          <Button type="button" variant="ghost" size="large" onClick={model.close}>
            {language.t("common.cancel")}
          </Button>
-          <Button type="submit" variant="primary" size="large" disabled={model.save.isPending}>
+          <Button type="submit" variant="primary" size="large" disabled={!model.supported || model.save.isPending}>
            {model.save.isPending ? language.t("common.saving") : language.t("common.save")}
          </Button>
        </div>
@@ -8,7 +8,7 @@ import { Dialog } from "@opencode-ai/ui/dialog"
 import { List } from "@opencode-ai/ui/list"
 import { showToast } from "@/utils/toast"
 import { extractPromptFromParts } from "@/utils/prompt"
-import type { TextPart as SDKTextPart } from "@opencode-ai/sdk/v2/client"
+import type { TextPart as SDKTextPart } from "@/types"
 import { base64Encode } from "@opencode-ai/core/util/encode"
 import { useLanguage } from "@/context/language"

@@ -8,7 +8,7 @@ import { createEffect, createMemo, createResource, createSignal, For, onCleanup,
 import { useGlobal } from "@/context/global"
 import { useLanguage } from "@/context/language"
 import { ServerConnection } from "@/context/server"
-import type { Path } from "@opencode-ai/sdk/v2/client"
+import type { Path } from "@/types"
 import {
  absoluteTreePath,
  activeTreeNavigation,
@@ -66,16 +66,21 @@ export function DialogSelectDirectoryV2(props: DialogSelectDirectoryV2Props) {
  let pathArea: HTMLDivElement | undefined
  let navigation = 0

-  const missingBase = createMemo(() => !(sync.data.path.home || sync.data.path.directory))
  const [fallbackPath] = createResource(
-    () => (missingBase() ? true : undefined),
-    async (): Promise<Path | undefined> => {
-      if ((await sdk.protocol) !== "v1") return
-      return sdk.client.path
+    () => (!(sync.data.path.home || sync.data.path.directory) ? true : undefined),
+    () =>
+      sdk.api.location
        .get()
-        .then((result) => result.data)
-        .catch(() => undefined)
-    },
+        .then(
+          (location): Path => ({
+            state: "",
+            config: "",
+            worktree: location.project.directory,
+            directory: location.directory,
+            home: "",
+          }),
+        )
+        .catch(() => undefined),
    { initialValue: undefined },
  )
  const home = createMemo(() => sync.data.path.home || fallbackPath()?.home || "")
@@ -9,7 +9,7 @@ import { useLanguage } from "@/context/language"
 import { ServerConnection } from "@/context/server"
 import { useGlobal } from "@/context/global"
 import { cleanPickerInput, createDirectorySearch, displayPickerPath } from "./directory-picker-domain"
-import type { Path } from "@opencode-ai/sdk/v2/client"
+import type { Path } from "@/types"

 interface DialogSelectDirectoryProps {
  title?: string
@@ -57,16 +57,21 @@ export function DialogSelectDirectory(props: DialogSelectDirectoryProps) {
  const [filter, setFilter] = createSignal("")
  let list: ListRef | undefined

-  const missingBase = createMemo(() => !(sync.data.path.home || sync.data.path.directory))
  const [fallbackPath] = createResource(
-    () => (missingBase() ? true : undefined),
-    async (): Promise<Path | undefined> => {
-      if ((await sdk.protocol) !== "v1") return
-      return sdk.client.path
+    () => (!(sync.data.path.home || sync.data.path.directory) ? true : undefined),
+    () =>
+      sdk.api.location
        .get()
-        .then((result) => result.data)
-        .catch(() => undefined)
-    },
+        .then(
+          (location): Path => ({
+            state: "",
+            config: "",
+            worktree: location.project.directory,
+            directory: location.directory,
+            home: "",
+          }),
+        )
+        .catch(() => undefined),
    { initialValue: undefined },
  )

@@ -16,7 +16,6 @@ import { useGlobal } from "@/context/global"
 import { useLanguage } from "@/context/language"
 import { usePlatform } from "@/context/platform"
 import { normalizeServerUrl, ServerConnection, useServer } from "@/context/server"
-import { detectServerProtocol } from "@/utils/server-protocol"
 import { type ServerHealth, useCheckServerHealth } from "@/utils/server-health"
 import { useSettings } from "@/context/settings"
 import { useTabs } from "@/context/tabs"
@@ -264,13 +263,6 @@ export function useServerManagementController(options: { onSelect?: () => void;
        setStore("addServer", { error: language.t("dialog.server.add.error") })
        return
      }
-      if (
-        !settings.general.newLayoutDesigns() &&
-        (await detectServerProtocol(conn.http, platform.fetch ?? globalThis.fetch)) === "v2"
-      ) {
-        setStore("addServer", { error: language.t("dialog.server.add.error") })
-        return
-      }

      resetAdd()
      if (options.navigateOnAdd === false) {
@@ -315,13 +307,6 @@ export function useServerManagementController(options: { onSelect?: () => void;
        setStore("editServer", { error: language.t("dialog.server.add.error") })
        return
      }
-      if (
-        !settings.general.newLayoutDesigns() &&
-        (await detectServerProtocol(conn.http, platform.fetch ?? globalThis.fetch)) === "v2"
-      ) {
-        setStore("editServer", { error: language.t("dialog.server.add.error") })
-        return
-      }
      if (normalized === input.original.http.url) {
        server.add(conn)
      } else {
@@ -360,9 +345,7 @@ export function useServerManagementController(options: { onSelect?: () => void;

  const sortedItems = createMemo(() => {
    const raw = items()
-    const list = settings.general.newLayoutDesigns()
-      ? raw
-      : raw.filter((x) => global.ensureServerCtx(x).sdk.protocolKind() !== "v2")
+    const list = raw
    if (!list.length) return list
    const active = current()
    const order = new Map(list.map((url, index) => [url, index] as const))
@@ -9,6 +9,7 @@ import { type LocalProject } from "@/context/layout"
 import { ServerConnection } from "@/context/server"

 export function createEditProjectModel(props: { project: LocalProject; server: ServerConnection.Any }) {
+  const supported = !props.project.id || props.project.id === "global"
  const dialog = useDialog()
  const global = useGlobal()
  const serverCtx = createMemo(() => global.ensureServerCtx(props.server))
@@ -71,29 +72,9 @@ export function createEditProjectModel(props: { project: LocalProject; server: S
      const start = store.startup.trim()

      if (props.project.id && props.project.id !== "global") {
-        if ((await serverCtx().sdk.protocol) !== "v1") return
-        const project = await serverCtx()
-          .sdk.client.project.update({
-            projectID: props.project.id,
-            directory: props.project.worktree,
-            name,
-            icon: { color: store.color || "", override: store.iconOverride || "" },
-            commands: { start },
-          })
-          .then((result) => result.data)
-        if (!project) return
-        // const project = await serverCtx().sdk.api.project.update({
-        //   projectID: props.project.id,
-        //   name,
-        //   icon: { color: store.color || "", override: store.iconOverride || "" },
-        //   commands: { start },
-        // })
-        serverCtx().sync.set("project", (items) =>
-          items.map((item) => (item.id === project.id ? normalizeProjectInfo(project) : item)),
-        )
-        serverCtx().sync.project.icon(props.project.worktree, store.iconOverride || undefined)
-        dialog.close()
-        return
+        // TODO: Restore project edits when the V2 client exposes a project update API.
+        // await serverCtx().sdk.api.project.update({ projectID: props.project.id, name, icon, commands })
+        throw new Error(`Project ${props.project.id} cannot be updated`)
      }

      serverCtx().sync.project.meta(props.project.worktree, {
@@ -107,7 +88,7 @@ export function createEditProjectModel(props: { project: LocalProject; server: S

  function submit(event: SubmitEvent) {
    event.preventDefault()
-    if (save.isPending) return
+    if (!supported || save.isPending) return
    save.mutate()
  }

@@ -117,6 +98,7 @@ export function createEditProjectModel(props: { project: LocalProject; server: S
    folderName,
    defaultName,
    save,
+    supported,
    submit,
    drop,
    dragOver,
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { buildFileTreeV2Model, flattenFileTreeV2, flattenLiveFileTreeV2 } from "./file-tree-v2-model"
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"

 describe("buildFileTreeV2Model", () => {
  test("builds a sorted tree and flattens expanded directories", () => {
@@ -1,4 +1,4 @@
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"

 export type FileTreeV2Model = {
  children: ReadonlyMap<string, readonly FileTreeV2Node[]>
@@ -12,7 +12,7 @@ import {
  type ParentProps,
 } from "solid-js"
 import { Dynamic } from "solid-js/web"
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"
 import { Icon } from "@opencode-ai/ui/v2/icon"
 import { pathToFileUrl, withFileDragImage, type Kind } from "@/components/file-tree"
 import { createVirtualizer, defaultRangeExtractor } from "@tanstack/solid-virtual"
@@ -17,7 +17,7 @@ import {
  type ParentProps,
 } from "solid-js"
 import { Dynamic } from "solid-js/web"
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"

 const MAX_DEPTH = 128

@@ -5,7 +5,7 @@ import { ButtonV2 } from "@opencode-ai/ui/v2/button-v2"
 import { Icon } from "@opencode-ai/ui/v2/icon"
 import { KeybindV2 } from "@opencode-ai/ui/v2/keybind-v2"
 import { TooltipV2 } from "@opencode-ai/ui/v2/tooltip-v2"
-import type { ReferenceInfo } from "@opencode-ai/sdk/v2/client"
+import type { ReferenceInfo } from "@opencode-ai/client/promise"
 import { createEffect, createMemo, on, Show } from "solid-js"
 import { ModelSelectorPopoverV2 } from "@/components/dialog-select-model"
 import { DialogSelectModelUnpaidV2 } from "@/components/dialog-select-model-unpaid-v2"
@@ -1,6 +1,6 @@
 // @ts-nocheck
 import { createStore } from "solid-js/store"
-import type { Todo } from "@opencode-ai/sdk/v2"
+import type { Todo } from "@/types"
 import { createPromptState } from "@/context/prompt"
 import { SessionComposerRegion, createSessionComposerRegionController } from "@/pages/session/composer"
 import { createPromptInputHistory, PromptInput } from "./prompt-input"
@@ -81,7 +81,7 @@ import { promptDesignPlaceholder, promptPlaceholder } from "./prompt-input/place
 import { createPromptInputTransientState } from "./prompt-input/transient-state"
 import { showToast } from "@/utils/toast"
 import { ImagePreview } from "@opencode-ai/ui/image-preview"
-import type { ReferenceInfo } from "@opencode-ai/sdk/v2/client"
+import type { ReferenceInfo } from "@opencode-ai/client/promise"

 export { createPromptInputHistory }
 export type { PromptInputControls, PromptInputHistory, PromptInputProps, PromptInputState, PromptInputSubmission }
@@ -1,12 +1,15 @@
 import { getFilename } from "@opencode-ai/core/util/path"
-import { type AgentPartInput, type FilePartInput, type Part, type TextPartInput } from "@opencode-ai/sdk/v2/client"
+import type { AgentPart as MessageAgentPart, FilePart, Part, TextPart } from "@/types"
 import type { FileSelection } from "@/context/file"
 import { encodeFilePath } from "@/context/file/path"
 import type { AgentPart, FileAttachmentPart, ImageAttachmentPart, Prompt } from "@/context/prompt"
 import { Identifier } from "@/utils/id"
 import { createCommentMetadata, formatCommentNote } from "@/utils/comment-note"

-type PromptRequestPart = (TextPartInput | FilePartInput | AgentPartInput) & { id: string }
+type PromptRequestPart =
+  | (Omit<TextPart, "id" | "sessionID" | "messageID"> & { id: string })
+  | (Omit<FilePart, "id" | "sessionID" | "messageID"> & { id: string })
+  | (Omit<MessageAgentPart, "id" | "sessionID" | "messageID"> & { id: string })

 type ContextFile = {
  key: string
@@ -31,6 +31,12 @@ const promotedDrafts: Array<{ draftID: string; server: string; sessionId: string
 const sentPrompts: string[] = []
 const promptInputs: unknown[] = []
 const sentCommands: unknown[] = []
+const switchedAgents: Array<{ sessionID: string; agent: string }> = []
+const switchedModels: Array<{
+  sessionID: string
+  model: { id: string; providerID: string; variant?: string }
+}> = []
+const sessionRequestOrder: string[] = []
 const commands: Array<{ name: string }> = []
 let serverSessionSyncs = 0

@@ -93,10 +99,22 @@ const clientFor = (directory: string) => {
          }
        },
        prompt: async (input: unknown) => {
+          sessionRequestOrder.push("prompt")
          sentPrompts.push(directory)
          promptInputs.push(input)
          return { data: undefined }
        },
+        switchAgent: async (input: { sessionID: string; agent: string }) => {
+          sessionRequestOrder.push("agent")
+          switchedAgents.push(input)
+        },
+        switchModel: async (input: {
+          sessionID: string
+          model: { id: string; providerID: string; variant?: string }
+        }) => {
+          sessionRequestOrder.push("model")
+          switchedModels.push(input)
+        },
        command: async (input: unknown) => {
          sentCommands.push(input)
        },
@@ -125,13 +143,6 @@ beforeAll(async () => {
    useSearchParams: () => [search, () => undefined],
  }))

-  mock.module("@opencode-ai/sdk/v2/client", () => ({
-    createOpencodeClient: (input: { directory: string }) => {
-      createdClients.push(input.directory)
-      return clientFor(input.directory)
-    },
-  }))
-
  mock.module("@opencode-ai/ui/toast", () => ({
    Toast: { Region: () => null },
    showToast: () => 0,
@@ -197,12 +208,8 @@ beforeAll(async () => {
      const sdk = {
        scope: "local",
        directory: "/repo/main",
-        client: rootClient,
        api: rootClient.api,
        url: "http://localhost:4096",
-        createClient(opts: any) {
-          return clientFor(opts.directory)
-        },
      }
      return () => sdk
    },
@@ -290,6 +297,9 @@ beforeEach(() => {
  sentPrompts.length = 0
  promptInputs.length = 0
  sentCommands.length = 0
+  switchedAgents.length = 0
+  switchedModels.length = 0
+  sessionRequestOrder.length = 0
  commands.length = 0
  promptValue = [{ type: "text", content: "ls", start: 0, end: 2 }]
  params = {}
@@ -332,7 +342,7 @@ describe("prompt submit worktree selection", () => {
    selected = "/repo/worktree-b"
    await submit.handleSubmit(event)

-    expect(createdClients).toEqual(["/repo/worktree-a", "/repo/worktree-b"])
+    expect(createdClients).toEqual([])
    expect(createdSessions).toEqual(["/repo/worktree-a", "/repo/worktree-b"])
    expect(sessionCreateInputs).toEqual([
      {
@@ -447,13 +457,17 @@ describe("prompt submit worktree selection", () => {
    expect(promotedDrafts).toEqual([{ draftID: "draft-1", server: "project-server", sessionId: "session-1" }])
  })

-  test("includes the selected variant on optimistic prompts", async () => {
+  test("switches the selected agent and model before prompting", async () => {
    params = { id: "session-1" }
    variant = "high"

    const submit = createPromptSubmit({
      prompt,
-      info: () => ({ id: "session-1" }),
+      info: () => ({
+        id: "session-1",
+        agent: "old-agent",
+        model: { id: "old-model", providerID: "old-provider" },
+      }),
      imageAttachments: () => [],
      commentCount: () => 0,
      autoAccept: () => false,
@@ -482,6 +496,14 @@ describe("prompt submit worktree selection", () => {
      },
    })
    expect(sentPrompts).toEqual(["/repo/main"])
+    expect(switchedAgents).toEqual([{ sessionID: "session-1", agent: "agent" }])
+    expect(switchedModels).toEqual([
+      {
+        sessionID: "session-1",
+        model: { id: "model", providerID: "provider", variant: "high" },
+      },
+    ])
+    expect(sessionRequestOrder).toEqual(["agent", "model", "prompt"])
    expect(promptInputs[0]).toMatchObject({
      sessionID: "session-1",
      text: "ls",
@@ -489,9 +511,6 @@ describe("prompt submit worktree selection", () => {
      agents: [],
    })
    expect((promptInputs[0] as { id?: string }).id).toStartWith("msg_")
-    expect((promptInputs[0] as { legacyParts?: { id: string; type: string; text?: string }[] }).legacyParts).toEqual([
-      { id: expect.stringMatching(/^prt_/), type: "text", text: "ls" },
-    ])
  })

  test("submits slash commands through the current session API", async () => {
@@ -1,4 +1,5 @@
-import type { Message, Session } from "@opencode-ai/sdk/v2/client"
+import type { Message } from "@/types"
+import type { SessionInfo } from "@opencode-ai/client/promise"
 import { showToast } from "@/utils/toast"
 import { base64Encode } from "@opencode-ai/core/util/encode"
 import { Binary } from "@opencode-ai/core/util/binary"
@@ -15,12 +16,12 @@ import { useSDK, type DirectorySDK } from "@/context/sdk"
 import { useSync, type DirectorySync } from "@/context/sync"
 import { Identifier } from "@/utils/id"
 import { Worktree as WorktreeState } from "@/utils/worktree"
+import { getDirectory } from "@opencode-ai/core/util/path"
 import { buildRequestParts } from "./build-request-parts"
 import { setCursorPosition } from "./editor-dom"
 import { formatServerError } from "@/utils/server-errors"
 import { ScopedKey } from "@/utils/server-scope"
 import { createPromptSubmissionState } from "./submission-state"
-import { normalizeSessionInfo } from "@/utils/session"
 import { Event } from "@opencode-ai/schema/event"

 type PendingPrompt = {
@@ -44,6 +45,7 @@ type FollowupSendInput = {
  api: DirectorySDK["api"]["session"]
  serverSync: ServerSync
  sync: DirectorySync
+  session: Accessor<{ agent?: string; model?: { id: string; providerID: string; variant?: string } } | undefined>
  draft: FollowupDraft
  messageID?: string
  optimisticBusy?: boolean
@@ -156,13 +158,28 @@ export async function sendFollowupDraft(input: FollowupSendInput) {
      return false
    }

+    const session = input.session()
+    if (session?.agent !== input.draft.agent) {
+      await input.api.switchAgent({ sessionID: input.draft.sessionID, agent: input.draft.agent })
+    }
+    if (
+      session?.model?.providerID !== input.draft.model.providerID ||
+      session.model.id !== input.draft.model.modelID ||
+      (session.model.variant ?? "default") !== (input.draft.variant ?? "default")
+    ) {
+      await input.api.switchModel({
+        sessionID: input.draft.sessionID,
+        model: {
+          id: input.draft.model.modelID,
+          providerID: input.draft.model.providerID,
+          variant: input.draft.variant,
+        },
+      })
+    }
+
    await input.api.prompt({
      sessionID: input.draft.sessionID,
      id: messageID,
-      agent: input.draft.agent,
-      model: input.draft.model,
-      variant: input.draft.variant,
-      legacyParts: requestParts,
      text: requestParts.flatMap((part) => (part.type === "text" ? [part.text] : [])).join("\n"),
      files: requestParts.flatMap((part) => {
        if (part.type !== "file") return []
@@ -200,7 +217,9 @@ export async function sendFollowupDraft(input: FollowupSendInput) {

 type PromptSubmitInput = {
  prompt: ReturnType<typeof usePrompt>
-  info: Accessor<{ id: string } | undefined>
+  info: Accessor<
+    { id: string; agent?: string; model?: { id: string; providerID: string; variant?: string } } | undefined
+  >
  imageAttachments: Accessor<ImageAttachmentPart[]>
  commentCount: Accessor<number>
  autoAccept: Accessor<boolean>
@@ -291,10 +310,10 @@ export function createPromptSubmit(input: PromptSubmitInput) {
    }
  }

-  const seed = (dir: string, info: Session) => {
+  const seed = (dir: string, info: SessionInfo) => {
    serverSync().session.remember(info)
    const [, setStore] = serverSync().child(dir)
-    setStore("session", (list: Session[]) => {
+    setStore("session", (list: SessionInfo[]) => {
      const result = Binary.search(list, info.id, (item) => item.id)
      const next = [...list]
      if (result.found) {
@@ -348,13 +367,15 @@ export function createPromptSubmit(input: PromptSubmitInput) {
    const worktreeSelection = input.newSessionWorktree?.() || "main"

    let sessionDirectory = projectDirectory
-    let client = sdk().client
-
    if (isNewSession) {
      if (worktreeSelection === "create") {
-        const createdWorktree = await client.worktree
-          .create({ directory: projectDirectory })
-          .then((x) => x.data)
+        const createdWorktree = await sdk()
+          .api.projectCopy.create({
+            projectID: sync().data.project,
+            strategy: "git_worktree",
+            directory: getDirectory(projectDirectory),
+            location: { directory: projectDirectory },
+          })
          .catch((err) => {
            showToast({
              title: language.t("prompt.toast.worktreeCreateFailed.title"),
@@ -362,14 +383,7 @@ export function createPromptSubmit(input: PromptSubmitInput) {
            })
            return undefined
          })
-
-        if (!createdWorktree?.directory) {
-          showToast({
-            title: language.t("prompt.toast.worktreeCreateFailed.title"),
-            description: language.t("common.requestFailed"),
-          })
-          return
-        }
+        if (!createdWorktree) return
        WorktreeState.pending(sdk().scope, createdWorktree.directory)
        sessionDirectory = createdWorktree.directory
      }
@@ -379,10 +393,6 @@ export function createPromptSubmit(input: PromptSubmitInput) {
      }

      if (sessionDirectory !== projectDirectory) {
-        client = sdk().createClient({
-          directory: sessionDirectory,
-          throwOnError: true,
-        })
        serverSync().child(sessionDirectory)
      }

@@ -397,7 +407,6 @@ export function createPromptSubmit(input: PromptSubmitInput) {
          model: { id: currentModel.id, providerID: currentModel.provider.id, variant },
          location: { directory: sessionDirectory },
        })
-        .then(normalizeSessionInfo)
        .catch((err) => {
          showToast({
            title: language.t("prompt.toast.sessionCreateFailed.title"),
@@ -487,8 +496,6 @@ export function createPromptSubmit(input: PromptSubmitInput) {
          sessionID: session.id,
          id: eventID,
          command: text,
-          agent,
-          model,
        })
        .catch((err) => {
          showToast({
@@ -609,6 +616,7 @@ export function createPromptSubmit(input: PromptSubmitInput) {
      api: sdk().api.session,
      sync: sync(),
      serverSync: serverSync(),
+      session: () => input.info() ?? session,
      draft,
      messageID,
      optimisticBusy: sessionDirectory === projectDirectory,
@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import type { Message, Part } from "@opencode-ai/sdk/v2/client"
+import type { Message, Part } from "@/types"
 import { estimateSessionContextBreakdown } from "./session-context-breakdown"

 const user = (id: string) => {
@@ -1,4 +1,4 @@
-import type { Message, Part } from "@opencode-ai/sdk/v2/client"
+import type { Message, Part } from "@/types"

 export type SessionContextBreakdownKey = "system" | "user" | "assistant" | "tool" | "other"

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import type { Message } from "@opencode-ai/sdk/v2/client"
+import type { Message } from "@/types"
 import { getSessionContext } from "./session-context-metrics"

 const assistant = (
@@ -1,4 +1,4 @@
-import type { AssistantMessage, Message } from "@opencode-ai/sdk/v2/client"
+import type { AssistantMessage, Message } from "@/types"

 type Provider = {
  id: string
@@ -10,7 +10,7 @@ import { StickyAccordionHeader } from "@opencode-ai/ui/sticky-accordion-header"
 import { File } from "@opencode-ai/session-ui/file"
 import { Markdown } from "@opencode-ai/session-ui/markdown"
 import { ScrollView } from "@opencode-ai/ui/scroll-view"
-import type { Message, Part, UserMessage } from "@opencode-ai/sdk/v2/client"
+import type { Message, Part, UserMessage } from "@/types"
 import { useLanguage } from "@/context/language"
 import { useProviders } from "@/hooks/use-providers"
 import { useSDK } from "@/context/sdk"
@@ -128,11 +128,7 @@ export const SettingsGeneral: Component = () => {

  const [shells] = createResource(
    async () => {
-      const sdk = serverSdk()
-      if ((await sdk.protocol) === "v1") {
-        return (await sdk.client.pty.shells()).data ?? []
-      }
-      // return (await sdk.api.pty.shells()).data
+      // TODO: Restore executable shell discovery; V2 shell.list only lists shell processes.
      return [] as ShellOption[]
    },
    { initialValue: [] as ShellOption[] },
@@ -331,6 +327,7 @@ export const SettingsGeneral: Component = () => {
        >
          <Select
            data-action="settings-shell"
+            disabled
            options={shellOptions()}
            current={shellOptions().find((o) => o.value === currentShell()) ?? autoOption}
            value={(o) => o.id}
@@ -338,7 +335,8 @@ export const SettingsGeneral: Component = () => {
            onSelect={(option) => {
              if (!option) return
              if (option.value === currentShell()) return
-              serverSync().updateConfig({ shell: option.value })
+              // TODO: Restore config writes when the V2 client exposes a config API.
+              // void serverSync().updateConfig({ shell: option.value })
            }}
            variant="secondary"
            size="small"
@@ -6,7 +6,7 @@ import { showToast } from "@/utils/toast"
 import { popularProviders, useProviders } from "@/hooks/use-providers"
 import { createMemo, type Component, For, Show } from "solid-js"
 import { useLanguage } from "@/context/language"
-import { useServerProtocol, useServerSDK } from "@/context/server-sdk"
+import { useServerSDK } from "@/context/server-sdk"
 import { useServerSync } from "@/context/server-sync"
 import { DialogConnectProvider, useProviderConnectController } from "./dialog-connect-provider"
 import { DialogCustomProvider } from "./dialog-custom-provider"
@@ -39,7 +39,6 @@ const SettingsProvidersContent: Component<{ onBack?: () => void }> = (props) =>
  const dialog = useDialog()
  const language = useLanguage()
  const serverSDK = useServerSDK()
-  const protocol = useServerProtocol()
  const serverSync = useServerSync()
  const providers = useProviders(() => undefined)
  const providerConnect = useProviderConnectController({ onBack: props.onBack })
@@ -84,8 +83,7 @@ const SettingsProvidersContent: Component<{ onBack?: () => void }> = (props) =>
    return language.t("settings.providers.tag.other")
  }

-  const canDisconnect = (item: ProviderItem) =>
-    source(item) !== "env" && (protocol() === "v1" || !isConfigCustom(item.id))
+  const canDisconnect = (item: ProviderItem) => source(item) !== "env" && !isConfigCustom(item.id)

  const note = (id: string) => PROVIDER_NOTES.find((item) => item.match(id))?.key

@@ -98,7 +96,7 @@ const SettingsProvidersContent: Component<{ onBack?: () => void }> = (props) =>
  }

  const disableProvider = async (providerID: string, name: string) => {
-    if (protocol() !== "v1") return
+    return
    const before = serverSync().data.config.disabled_providers ?? []
    const next = before.includes(providerID) ? before : [...before, providerID]
    serverSync().set("config", "disabled_providers", next)
@@ -121,17 +119,14 @@ const SettingsProvidersContent: Component<{ onBack?: () => void }> = (props) =>
  }

  const disconnect = async (providerID: string, name: string) => {
-    if (isConfigCustom(providerID)) {
-      await serverSDK()
-        .client.auth.remove({ providerID })
-        .catch(() => undefined)
-      await disableProvider(providerID, name)
-      return
-    }
    await serverSDK()
-      .client.auth.remove({ providerID })
-      .then(async () => {
-        await serverSDK().client.global.dispose()
+      .api.integration.get({ integrationID: providerID })
+      .then(async (integration) => {
+        const credentials = integration.data?.connections.filter((item) => item.type === "credential") ?? []
+        if (credentials.length === 0) throw new Error(`No removable credentials found for ${name}`)
+        await Promise.all(
+          credentials.map((credential) => serverSDK().api.credential.remove({ credentialID: credential.id })),
+        )
        showToast({
          variant: "success",
          icon: "circle-check",
@@ -221,7 +216,7 @@ const SettingsProvidersContent: Component<{ onBack?: () => void }> = (props) =>
              )}
            </For>

-            <Show when={protocol() === "v1"}>
+            <Show when={false}>
              <div
                class="flex items-center justify-between gap-4 min-h-16 border-b border-border-weak-base last:border-none flex-wrap py-3"
                data-component="custom-provider-section"
@@ -33,7 +33,7 @@ export const DialogSettings: Component<{
      const draft = tabs.store.find((item) => item.type === "draft" && item.draftID === route.draftID)
      return draft?.type === "draft" ? draft.directory : undefined
    }
-    if (route.type === "session") return serverSync().session.get(route.sessionId)?.directory
+    if (route.type === "session") return serverSync().session.get(route.sessionId)?.location.directory
    return undefined
  })

@@ -10,7 +10,6 @@ import { useLanguage } from "@/context/language"
 import { usePermission } from "@/context/permission"
 import { usePlatform } from "@/context/platform"
 import { useServerSync } from "@/context/server-sync"
-import { useServerSDK } from "@/context/server-sdk"
 import { useUpdaterAction } from "../updater-action"
 import {
  monoDefault,
@@ -91,14 +90,13 @@ export const SettingsGeneralV2: Component<{
  const dialog = useDialog()
  const settings = useSettings()
  const serverSync = useServerSync()
-  const serverSdk = useServerSDK()
  const mobile = createMediaQuery("(max-width: 767px)")

  const updater = useUpdaterAction()

  const dir = createMemo(() => {
    if (!props.sessionID) return undefined
-    return serverSync().session.lineage.peek(props.sessionID)?.session.directory
+    return serverSync().session.lineage.peek(props.sessionID)?.session.location.directory
  })
  const accepting = createMemo(() => {
    const value = dir()
@@ -123,10 +121,7 @@ export const SettingsGeneralV2: Component<{

  const [shells] = createResource(
    async () => {
-      const sdk = serverSdk()
-      if ((await sdk.protocol) === "v1") {
-        return (await sdk.client.pty.shells()).data ?? []
-      }
+      // TODO: Restore executable shell discovery when the V2 client exposes it.
      // return (await sdk.api.pty.shells()).data
      return [] as ShellOption[]
    },
@@ -6,7 +6,7 @@ import { showToast } from "@/utils/toast"
 import { popularProviders, useProviders } from "@/hooks/use-providers"
 import { createMemo, type Accessor, type Component, For, Show } from "solid-js"
 import { useLanguage } from "@/context/language"
-import { useServerProtocol, useServerSDK } from "@/context/server-sdk"
+import { useServerSDK } from "@/context/server-sdk"
 import { useServerSync } from "@/context/server-sync"
 import { DialogConnectProvider, useProviderConnectController } from "../dialog-connect-provider"
 import { DialogCustomProvider } from "../dialog-custom-provider"
@@ -36,7 +36,6 @@ export const SettingsProvidersV2: Component<{
  const dialog = useDialog()
  const language = useLanguage()
  const serverSdk = useServerSDK()
-  const protocol = useServerProtocol()
  const serverSync = useServerSync()
  const providers = useProviders(props.directory)
  const providerConnect = useProviderConnectController({ onBack: props.onBack })
@@ -81,8 +80,7 @@ export const SettingsProvidersV2: Component<{
    return language.t("settings.providers.tag.other")
  }

-  const canDisconnect = (item: ProviderItem) =>
-    source(item) !== "env" && (protocol() === "v1" || !isConfigCustom(item.id))
+  const canDisconnect = (item: ProviderItem) => source(item) !== "env" && !isConfigCustom(item.id)

  const note = (id: string) => PROVIDER_NOTES.find((item) => item.match(id))?.key

@@ -95,7 +93,7 @@ export const SettingsProvidersV2: Component<{
  }

  const disableProvider = async (providerID: string, name: string) => {
-    if (protocol() !== "v1") return
+    return
    const before = serverSync().data.config.disabled_providers ?? []
    const next = before.includes(providerID) ? before : [...before, providerID]
    serverSync().set("config", "disabled_providers", next)
@@ -118,17 +116,17 @@ export const SettingsProvidersV2: Component<{
  }

  const disconnect = async (providerID: string, name: string) => {
-    if (isConfigCustom(providerID)) {
-      await serverSdk()
-        .client.auth.remove({ providerID })
-        .catch(() => undefined)
-      await disableProvider(providerID, name)
-      return
-    }
+    const location = props.directory() ? { directory: props.directory() } : undefined
    await serverSdk()
-      .client.auth.remove({ providerID })
-      .then(async () => {
-        await serverSdk().client.global.dispose()
+      .api.integration.get({ integrationID: providerID, location })
+      .then(async (integration) => {
+        const credentials = integration.data?.connections.filter((item) => item.type === "credential") ?? []
+        if (credentials.length === 0) throw new Error(`No removable credentials found for ${name}`)
+        await Promise.all(
+          credentials.map((credential) =>
+            serverSdk().api.credential.remove({ credentialID: credential.id, location }),
+          ),
+        )
        showToast({
          variant: "success",
          icon: "circle-check",
@@ -224,7 +222,7 @@ export const SettingsProvidersV2: Component<{
              )}
            </For>

-            <Show when={protocol() === "v1"}>
+            <Show when={false}>
              <div class="settings-v2-provider-row" data-component="custom-provider-section">
                <div class="settings-v2-provider-lead">
                  <ProviderIcon
@@ -5,7 +5,7 @@ import { Switch } from "@opencode-ai/ui/switch"
 import { Tabs } from "@opencode-ai/ui/tabs"
 import { showToast } from "@/utils/toast"
 import { useNavigate } from "@solidjs/router"
-import { type Accessor, createEffect, createMemo, For, type JSXElement, onCleanup, Show } from "solid-js"
+import { type Accessor, createEffect, createMemo, createResource, For, type JSXElement, onCleanup, Show } from "solid-js"
 import { createStore } from "solid-js/store"
 import { ServerHealthIndicator, ServerRow } from "@/components/server/server-row"
 import { useLanguage } from "@/context/language"
@@ -16,7 +16,7 @@ import { type ServerHealth } from "@/utils/server-health"
 import { useGlobal } from "@/context/global"
 import { useSettings } from "@/context/settings"
 import { useMcpToggle } from "@/context/mcp"
-import { useServerProtocol } from "@/context/server-sdk"
+import { useSDK } from "@/context/sdk"

 const pluginEmptyMessage = (value: string, file: string): JSXElement => {
  const parts = value.split(file)
@@ -251,6 +251,7 @@ function ServerStatusList(props: { state: ServerStatusState }) {

 export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
  const sync = useSync()
+  const sdk = useSDK()
  const global = useGlobal()
  const server = useServer()
  const platform = usePlatform()
@@ -258,7 +259,6 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
  const language = useLanguage()
  const navigate = useNavigate()
  const settings = useSettings()
-  const protocol = useServerProtocol()

  const fail = (err: unknown) => {
    showToast({
@@ -279,9 +279,7 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
    dialogRun += 1
  })
  const sortedServers = createMemo(() => {
-    const list = settings.general.newLayoutDesigns()
-      ? global.servers.list()
-      : global.servers.list().filter((x) => global.ensureServerCtx(x).sdk.protocolKind() !== "v2")
+    const list = global.servers.list()
    return listServersByHealth(list, server.key, global.servers.health)
  })
  const toggleMcp = useMcpToggle()
@@ -291,9 +289,11 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
  const mcpConnected = createMemo(() => mcpNames().filter((name) => mcpStatus(name) === "connected").length)
  const lspItems = createMemo(() => sync().data.lsp ?? [])
  const lspCount = createMemo(() => lspItems().length)
-  const plugins = createMemo(() =>
-    (sync().data.config.plugin ?? []).map((item) => (typeof item === "string" ? item : item[0])),
+  const [pluginList] = createResource(
+    () => (props.shown() ? sdk().directory : undefined),
+    (directory) => sdk().api.plugin.list({ location: { directory } }).then((result) => result.data),
  )
+  const plugins = createMemo(() => (pluginList.latest ?? []).map((item) => item.id))
  const pluginCount = createMemo(() => plugins().length)
  const pluginEmpty = createMemo(() => pluginEmptyMessage(language.t("dialog.plugins.empty"), "opencode.json"))

@@ -322,7 +322,7 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
            {lspCount() > 0 ? `${lspCount()} ` : ""}
            {language.t("status.popover.tab.lsp")}
          </Tabs.Trigger>
-          <Show when={protocol() === "v1"}>
+          <Show when={true}>
            <Tabs.Trigger value="plugins" data-slot="tab" class="text-12-regular">
              {pluginCount() > 0 ? `${pluginCount()} ` : ""}
              {language.t("status.popover.tab.plugins")}
@@ -487,7 +487,7 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
          </div>
        </Tabs.Content>

-        <Show when={protocol() === "v1"}>
+        <Show when={true}>
          <Tabs.Content value="plugins">
            <div class="flex flex-col px-2 pb-2">
              <div class="flex flex-col p-3 bg-background-base rounded-sm min-h-14">
@@ -1,4 +1,4 @@
-import type { LspStatus } from "@opencode-ai/sdk/v2/client"
+import type { LspStatus } from "@/types"
 import type { McpServer } from "@opencode-ai/client/promise"

 export function hasServiceNeedingAttention(input: { mcp: Array<McpServer["status"]["status"]> }) {
@@ -11,7 +11,6 @@ import { matchKeybind, parseKeybind } from "@/context/command"
 import { useLanguage } from "@/context/language"
 import { usePlatform } from "@/context/platform"
 import { useSDK } from "@/context/sdk"
-import { useServerSDK } from "@/context/server-sdk"
 import { terminalFontFamily, useSettings } from "@/context/settings"
 import type { LocalPTY } from "@/context/terminal"
 import { disposeIfDisposable, getHoveredLinkText, setOptionIfSupported } from "@/utils/runtime-adapters"
@@ -175,15 +174,8 @@ export const Terminal = (props: TerminalProps) => {
  const settings = useSettings()
  const theme = useTheme()
  const language = useLanguage()
-  // Terminal captures its connection for the PTY lifetime, so callers must key it per server/session.
-  const connection = useServerSDK()().server
  const directory = sdk().directory
  const url = sdk().url
-  const auth = connection.http
-  const username = auth?.username ?? "opencode"
-  const password = auth?.password ?? ""
-  const authToken = connection.type === "http" ? connection.authToken : false
-  const sameOrigin = new URL(url, location.href).origin === location.origin
  let container!: HTMLDivElement
  const [local, others] = splitProps(props, [
    "pty",
@@ -241,16 +233,6 @@ export const Terminal = (props: TerminalProps) => {
  }

  const pushSize = async (cols: number, rows: number) => {
-    if ((await sdk().protocol) === "v1") {
-      return sdk()
-        .client.pty.update({
-          ptyID: id,
-          size: { cols, rows },
-        })
-        .catch((err) => {
-          debugTerminal("failed to sync terminal size", err)
-        })
-    }
    return sdk()
      .api.pty.update({
        ptyID: id,
@@ -533,15 +515,6 @@ export const Terminal = (props: TerminalProps) => {
      }

      const gone = async () => {
-        if ((await sdk().protocol) === "v1") {
-          return sdk()
-            .client.pty.get({ ptyID: id }, { throwOnError: false })
-            .then((result) => result.response.status === 404)
-            .catch((err) => {
-              debugTerminal("failed to inspect terminal session", err)
-              return false
-            })
-        }
        return sdk()
          .api.pty.get({ ptyID: id, location: { directory } })
          .then((result) => result.data.status === "exited")
@@ -553,33 +526,8 @@ export const Terminal = (props: TerminalProps) => {
      }

      const connectToken = async () => {
-        if ((await sdk().protocol) === "v1") {
-          const result = await sdk()
-            .client.pty.connectToken(
-              { ptyID: id, directory },
-              {
-                throwOnError: false,
-                headers: { "x-opencode-ticket": "1" },
-              },
-            )
-            .catch((err: unknown) => {
-              if (err instanceof Error && err.message.includes("Request is not supported")) return
-              throw err
-            })
-          if (!result) return
-          if (result.response.status === 200 && result.data?.ticket) return result.data.ticket
-          if (result.response.status === 404 || result.response.status === 405) return
-          if (result.response.status === 403)
-            throw new Error("PTY connect ticket rejected by origin or CSRF checks. Check the server CORS config.")
-          throw new Error(`PTY connect ticket failed with ${result.response.status}`)
-        }
-        // return sdk()
-        //   .api.pty.connectToken({
-        //     ptyID: id,
-        //     location: { directory },
-        //     "x-opencode-ticket": "1",
-        //   })
-        //   .then((result) => result.data.ticket)
+        // TODO: Add PTY tickets when the V2 client exposes a connect-token API.
+        return undefined
      }

      const retry = (err: unknown) => {
@@ -609,23 +557,16 @@ export const Terminal = (props: TerminalProps) => {
          fail(err)
          return undefined
        })
-        const protocol = await sdk().protocol
-        // if (protocol === "v2" && !ticket) return
        if (once.value) return
        if (disposed) return

        const socket = new WebSocket(
          terminalWebSocketURL({
-            protocol,
            url,
            id,
            directory,
            cursor: seek,
            ticket,
-            sameOrigin,
-            username,
-            password,
-            authToken,
          }),
        )
        socket.binaryType = "arraybuffer"
@@ -4,12 +4,12 @@ import { createResizeObserver } from "@solid-primitives/resize-observer"
 import { createMutation } from "@tanstack/solid-query"
 import { IconButtonV2 } from "@opencode-ai/ui/v2/icon-button-v2"
 import { Icon as IconV2 } from "@opencode-ai/ui/v2/icon"
-import { displayLabel } from "@opencode-ai/util/session-title-fallback"
 import { useGlobal } from "@/context/global"
 import { ServerConnection, serverName } from "@/context/server"
 import { displayName, projectForSession } from "@/pages/layout/helpers"
 import { SessionTabAvatar } from "@/pages/layout/session-tab-avatar"
-import type { Session } from "@opencode-ai/sdk/v2"
+import type { SessionInfo } from "@opencode-ai/client/promise"
+import { sessionLabel } from "@/utils/session-title"
 import { canOpenTabRename, forwardTabRef } from "./titlebar-tab-gesture"
 import { TabPreviewPopover } from "./titlebar-tab-popover"
 import "./titlebar-tab-nav.css"
@@ -21,7 +21,7 @@ export function TabNavItem(props: {
  ref?: Ref<HTMLDivElement>
  href: string
  server: ServerConnection.Key
-  session: () => Session | undefined
+  session: () => SessionInfo | undefined
  fallbackTitle?: string
  onRename: (title: string) => Promise<void>
  onClose: () => void
@@ -57,19 +57,19 @@ export function TabNavItem(props: {
  })
  const title = createMemo(() => {
    const session = props.session()
-    return session ? displayLabel(session) : props.fallbackTitle
+    return session ? sessionLabel(session) : props.fallbackTitle
  })

  const projectName = createMemo(() => {
    const session = props.session()
    if (!session) return
-    return displayName(project() ?? { worktree: session.directory })
+    return displayName(project() ?? { worktree: session.location.directory })
  })
  const previewPath = createMemo(() => {
    const session = props.session()
    if (!session) return
    const home = serverCtx()?.sync.data.path.home
-    return home ? session.directory.replace(home, "~") : session.directory
+    return home ? session.location.directory.replace(home, "~") : session.location.directory
  })
  // Only label the server when multiple servers are connected.
  const serverLabel = createMemo(() => {
@@ -235,7 +235,7 @@ export function TabNavItem(props: {
            {(session) => (
              <SessionTabAvatar
                project={project()}
-                directory={session().directory}
+                directory={session().location.directory}
                sessionId={session().id}
                server={props.server}
              />
@@ -306,7 +306,7 @@ export function TabNavItem(props: {
      }}
      data={{
        projectName: projectName(),
-        title: title(),
+        title: props.session()?.title,
        path: previewPath(),
        serverName: serverLabel(),
      }}
@@ -19,7 +19,7 @@ import { base64Encode } from "@opencode-ai/core/util/encode"
 import { showToast } from "@/utils/toast"
 import { canStartTabDrag, isTabCloseTarget } from "./titlebar-tab-gesture"
 import { adjacentTabKey, mergeVisibleTabOrder } from "./titlebar-tab-order"
-import type { Session } from "@opencode-ai/sdk/v2"
+import type { SessionInfo } from "@opencode-ai/client/promise"

 function SessionTabSlot(props: {
  tab: SessionTab
@@ -27,7 +27,7 @@ function SessionTabSlot(props: {
  index: () => number
  active: () => boolean
  forceTruncate: boolean
-  session: () => Session | undefined
+  session: () => SessionInfo | undefined
  fallbackTitle?: string
  onRename: (title: string) => Promise<void>
  onNavigate: (element: HTMLDivElement) => void
@@ -127,7 +127,7 @@ function SessionTabEntry(props: {
    createRoot((dispose) => {
      try {
        void ctx.sync
-          .ensureDirSyncContext(value.directory)
+          .ensureDirSyncContext(value.location.directory)
          .session.sync(value.id)
          .catch(() => {})
          .finally(dispose)
@@ -144,7 +144,7 @@ function SessionTabEntry(props: {
    const current = sdk()
    if (!current) return
    createTabPromptState(tabs, props.tab, current.scope, {
-      dir: base64Encode(value.directory),
+      dir: base64Encode(value.location.directory),
      id: value.id,
    })
  })
@@ -27,7 +27,6 @@ import { tabKey, useTabs } from "@/context/tabs"
 import type { PromptSession } from "@/context/prompt"
 import "./titlebar.css"
 import { newTabTooltipKeybind } from "./command-tooltip-keybind"
-import { normalizeSessionInfo } from "@/utils/session"

 const legacyTitlebarHeight = 40
 const v2TitlebarHeight = 36
@@ -194,7 +193,6 @@ export function Titlebar(props: { update?: TitlebarUpdate; debugTools?: { visibl
              ({ route, sdk }) =>
                sdk.api.session
                  .get({ sessionID: route.sessionId })
-                  .then(normalizeSessionInfo)
                  .catch(() => {}),
            )

@@ -256,7 +254,7 @@ export function Titlebar(props: { update?: TitlebarUpdate; debugTools?: { visibl
                  sessionId: activeSession.id,
                }
                const model = tabs.stateValue<PromptSession>(sessionTab, "prompt")?.model.current()
-                tabs.newDraft({ server: sessionTab.server, directory: activeSession.directory }, "", model)
+                tabs.newDraft({ server: sessionTab.server, directory: activeSession.location.directory }, "", model)
                return
              }

@@ -248,11 +248,6 @@ export function formatKeybind(config: string, t?: (key: KeyLabel) => string): st
  return IS_MAC ? parts.join("") : parts.join("+")
 }

-// KeybindV2 takes an array instead of a string
-export function formatKeybindKeys(config: string, t?: (key: KeyLabel) => string): string[] {
-  return formatKeybindParts(config, t)
-}
-
 function isEditableTarget(target: EventTarget | null) {
  if (!(target instanceof HTMLElement)) return false
  if (target.isContentEditable) return true
@@ -1,11 +1,11 @@
 import { Binary } from "@opencode-ai/core/util/binary"
-import type { Message, Part, Session } from "@opencode-ai/sdk/v2/client"
+import type { Message, Part } from "@/types"
+import type { SessionInfo } from "@opencode-ai/client/promise"
 import { createMemo } from "solid-js"
 import { produce, reconcile, type SetStoreFunction } from "solid-js/store"
 import type { createServerSdkContext } from "./server-sdk"
 import type { createServerSyncContextInner } from "./server-sync"
 import type { State } from "./global-sync/types"
-import { normalizeSessionInfo } from "@/utils/session"

 const cmp = (a: string, b: string) => (a < b ? -1 : a > b ? 1 : 0)
 const sessionFields = new Set([
@@ -26,7 +26,6 @@ export const createDirSyncContext = (
  serverSync: ReturnType<typeof createServerSyncContextInner>,
  serverSDK: ReturnType<typeof createServerSdkContext>,
 ) => {
-  const client = serverSDK.createClient({ directory, throwOnError: true })
  const current = createMemo(() => serverSync.child(directory, { mcp: true }))
  const absolute = (path: string) => (current()[0].path.directory + "/" + path).replace("//", "/")
  const data = new Proxy({} as State, {
@@ -47,7 +46,7 @@ export const createDirSyncContext = (

  const index = (sessionID: string) => {
    const session = serverSync.session.get(sessionID)
-    if (!session || session.directory !== directory) return
+    if (!session || session.location.directory !== directory) return
    const [store, setStore] = current()
    const result = Binary.search(store.session, session.id, (item) => item.id)
    if (result.found) {
@@ -75,13 +74,13 @@ export const createDirSyncContext = (
      if (match.found) return serverSync.data.project[match.index]
    },
    session: {
-      remember(session: Session) {
+      remember(session: SessionInfo) {
        serverSync.session.remember(session)
        index(session.id)
      },
      get(sessionID: string) {
        const session = serverSync.session.get(sessionID)
-        if (session?.directory === directory) return session
+        if (session?.location.directory === directory) return session
      },
      optimistic: {
        add(input: { directory?: string; sessionID: string; message: Message; parts: Part[] }) {
@@ -126,7 +125,6 @@ export const createDirSyncContext = (
        setStore("limit", (value) => value + count)
        const response = await serverSDK.api.session.list({ directory, limit: store.limit, order: "desc" })
        const sessions = response.data
-          .map(normalizeSessionInfo)
          .sort((a, b) => cmp(a.id, b.id))
          .slice(0, store.limit)
        sessions.forEach(serverSync.session.remember)
@@ -134,15 +132,8 @@ export const createDirSyncContext = (
      },
      more: createMemo(() => current()[0].session.length >= current()[0].limit),
      archive: async (sessionID: string) => {
-        if ((await serverSDK.protocol) !== "v1") return
-        await serverSDK.client.session.update({ sessionID, directory, time: { archived: Date.now() } })
-        current()[1](
-          "session",
-          produce((draft) => {
-            const match = Binary.search(draft, sessionID, (session) => session.id)
-            if (match.found) draft.splice(match.index, 1)
-          }),
-        )
+        // TODO: Restore archiving when the V2 client exposes a session archive API.
+        void sessionID
      },
    },
    mcp: {
@@ -81,8 +81,15 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
      normalizeDir: path.normalizeDir,
      list: (dir) =>
        sdk()
-          .client.file.list({ path: dir })
-          .then((x) => x.data ?? []),
+          .api.file.list({ path: dir, location: { directory: scope() } })
+          .then((x) =>
+            x.data.map((entry) => ({
+              ...entry,
+              name: entry.path.split("/").at(-1) ?? entry.path,
+              absolute: `${scope()}/${entry.path}`,
+              ignored: false,
+            })),
+          ),
      onError: (message) => {
        showToast({
          variant: "error",
@@ -181,10 +188,10 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
      setLoading(file)

      const promise = sdk()
-        .client.file.read({ path: file })
-        .then((x) => {
+        .api.file.read({ path: file, location: { directory } })
+        .then((data) => {
          if (scope() !== directory) return
-          const content = x.data
+          const content = { type: "text" as const, content: new TextDecoder().decode(data) }
          setLoaded(file, content)

          if (!content) return
@@ -279,13 +286,6 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
        children: tree.children,
        expand: tree.expandDir,
        collapse: tree.collapseDir,
-        toggle(input: string) {
-          if (tree.dirState(input)?.expanded) {
-            tree.collapseDir(input)
-            return
-          }
-          tree.expandDir(input)
-        },
      },
      get,
      load,
@@ -1,4 +1,4 @@
-import type { FileContent } from "@opencode-ai/sdk/v2"
+import type { FileContent } from "@/types"

 const MAX_FILE_CONTENT_ENTRIES = 40
 const MAX_FILE_CONTENT_BYTES = 20 * 1024 * 1024
@@ -1,5 +1,5 @@
 import { createStore, produce, reconcile } from "solid-js/store"
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"

 type DirectoryState = {
  expanded: boolean
@@ -1,4 +1,4 @@
-import type { FileContent } from "@opencode-ai/sdk/v2"
+import type { FileContent } from "@/types"

 export type FileSelection = {
  startLine: number
@@ -1,4 +1,4 @@
-import type { FileNode } from "@opencode-ai/sdk/v2"
+import type { FileNode } from "@/types"

 type WatcherEvent = {
  type: string
@@ -1,11 +1,8 @@
 import { describe, expect, test } from "bun:test"
-import { createStore } from "solid-js/store"
 import { QueryClient } from "@tanstack/solid-query"
-import type { Config, OpencodeClient, Project } from "@opencode-ai/sdk/v2/client"
 import type { AgentApi, CatalogApi, CommandApi, ReferenceApi } from "@opencode-ai/client/promise"
 import type { NormalizedProviderListResponse } from "@opencode-ai/session-ui/context"
 import {
-  bootstrapDirectory,
  loadAgentsQuery,
  loadCommands,
  loadPathQuery,
@@ -13,139 +10,19 @@ import {
  loadProvidersQuery,
  loadReferencesQuery,
 } from "./bootstrap"
-import type { State, VcsCache } from "./types"
 import { ServerScope } from "@/utils/server-scope"
 import type { ServerApi } from "@/utils/server"

 type ProjectApi = ServerApi["project"]

-const provider = { all: new Map(), connected: [], default: {} } satisfies NormalizedProviderListResponse
-const api = {
-  agent: { list: async () => ({ location: {}, data: [] }) },
-  provider: { list: async () => ({ location: {}, data: [] }) },
-  model: {
-    list: async () => ({ location: {}, data: [] }),
-    default: async () => ({ location: {}, data: null }),
-  },
-  permission: { request: { list: async () => ({ location: {}, data: [] }) } },
-  project: {
-    list: async () => [],
-    current: async () => ({ id: "project", directory: "/project" }),
-  },
-  question: { request: { list: async () => ({ location: {}, data: [] }) } },
-  reference: { list: async () => ({ location: {}, data: [] }) },
-  vcs: { get: async () => ({ location: {}, data: {} }) },
-} as unknown as ServerApi
-
-function directoryState() {
-  return createStore<State>({
-    status: "loading",
-    agent: [],
-    command: [],
-    reference: [],
-    project: "",
-    projectMeta: undefined,
-    icon: undefined,
-    provider_ready: true,
-    provider,
-    config: {},
-    path: { state: "", config: "", worktree: "/project", directory: "/project", home: "/home" },
-    session: [],
-    sessionTotal: 0,
-    session_status: {},
-    session_working(id: string) {
-      return this.session_status[id]?.type !== "idle"
-    },
-    session_diff: {},
-    todo: {},
-    permission: {},
-    question: {},
-    mcp_ready: true,
-    mcp: {},
-    mcp_resource: {},
-    lsp_ready: true,
-    lsp: [],
-    vcs: undefined,
-    limit: 5,
-    message: {},
-    session_message: {},
-    part: {},
-    part_text_accum_delta: {},
-  })
-}
-
-describe("bootstrapDirectory", () => {
-  test("uses legacy MCP endpoints while refreshing a v1 directory", async () => {
-    const mcpReads: string[] = []
-    const [store, setStore] = directoryState()
-
-    await bootstrapDirectory({
-      directory: "/project",
-      scope: ServerScope.local,
-      mcp: true,
-      global: {
-        config: {} satisfies Config,
-        path: { state: "", config: "", worktree: "/project", directory: "/project", home: "/home" },
-        project: [{ id: "project", worktree: "/project" } as Project],
-        provider,
-      },
-      sdk: {
-        app: { agents: async () => ({ data: [{ name: "build", mode: "primary" }] }) },
-        config: { get: async () => ({ data: {} }) },
-        session: { status: async () => ({ data: {} }) },
-        vcs: { get: async () => ({ data: undefined }) },
-        command: {
-          list: async () => {
-            mcpReads.push("command")
-            return { data: [] }
-          },
-        },
-        permission: { list: async () => ({ data: [] }) },
-        question: { list: async () => ({ data: [] }) },
-        v2: { reference: { list: async () => ({ data: { data: [] } }) } },
-        mcp: {
-          status: async () => {
-            mcpReads.push("status")
-            return { data: {} }
-          },
-        },
-        experimental: {
-          resource: {
-            list: async () => {
-              mcpReads.push("resource")
-              return { data: {} }
-            },
-          },
-        },
-        provider: { list: async () => ({ data: { all: [], connected: [], default: {} } }) },
-      } as unknown as OpencodeClient,
-      api,
-      store,
-      setStore,
-      vcsCache: { setStore() {} } as unknown as VcsCache,
-      loadSessions() {},
-      translate: (key) => key,
-      queryClient: new QueryClient(),
-      protocol: Promise.resolve("v1"),
-    })
-
-    expect(store.status).toBe("partial")
-
-    await new Promise((resolve) => setTimeout(resolve, 80))
-
-    expect(store.status).toBe("complete")
-    expect(mcpReads.sort()).toEqual(["command", "resource", "status"])
-  })
-})
-
 describe("query keys", () => {
  test("partitions identical directories by server scope", () => {
-    const client = {} as Parameters<typeof loadPathQuery>[2]
    const api = {} as CatalogApi
+    const location = {} as ServerApi["location"]
    const remote = "https://debian.example" as typeof ServerScope.local

-    expect([...loadPathQuery(ServerScope.local, "/repo", client).queryKey]).toEqual(["local", "/repo", "path"])
-    expect([...loadPathQuery(remote, "/repo", client).queryKey]).toEqual(["https://debian.example", "/repo", "path"])
+    expect([...loadPathQuery(ServerScope.local, "/repo", location).queryKey]).toEqual(["local", "/repo", "path"])
+    expect([...loadPathQuery(remote, "/repo", location).queryKey]).toEqual(["https://debian.example", "/repo", "path"])
    expect([...loadProvidersQuery(remote, null, api).queryKey]).toEqual(["https://debian.example", null, "providers"])
  })

@@ -180,6 +57,21 @@ describe("query keys", () => {
    expect(result.connected).toEqual(["openai"])
  })

+  test("loads current location metadata", async () => {
+    const calls: unknown[] = []
+    const api = {
+      get: async (input: unknown) => {
+        calls.push(input)
+        return { directory: "/repo/subpath", project: { id: "project", directory: "/repo" } }
+      },
+    } as ServerApi["location"]
+
+    const result = await new QueryClient().fetchQuery(loadPathQuery(ServerScope.local, "/repo/subpath", api))
+
+    expect(calls).toEqual([{ location: { directory: "/repo/subpath" } }])
+    expect(result).toMatchObject({ directory: "/repo/subpath", worktree: "/repo" })
+  })
+
  test("loads agents from the current location-scoped endpoint", async () => {
    const calls: unknown[] = []
    const api = {
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Victor Navarro	e4e1de007f	fix(ui): hide menus after close	2026-08-06 10:22:01 +00:00
Brendan Allan	a0c77b71ae	refactor(app): use native session info (#40824 )	2026-08-06 17:58:56 +08:00
Dax Raad	e62918224f	fix(cli): rename auth connect to login	2026-08-06 01:48:53 -04:00
Dax Raad	30d140008f	feat(cli): add models command	2026-08-06 01:12:11 -04:00
Aiden Cline	a38d44265b	fix(core): continue interrupted responses (#40576 )	2026-08-06 00:04:27 -05:00
Aiden Cline	0cce215de4	fix(ai): harden compatible chat parsing (#40798 )	2026-08-05 23:54:41 -05:00
opencode-agent[bot]	a15ec425de	test: repair v2 CI failures (#40803 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-05 23:38:38 -05:00
Aiden Cline	ae494ffce5	fix(core): retire legacy provider aliases (#40487 )	2026-08-05 23:27:14 -05:00
Brendan Allan	25c2150baf	refactor(app): use native v2 types (#40608 )	2026-08-06 11:54:11 +08:00
Brendan Allan	9314992f98	refactor(app): remove v1 compatibility (#40382 )	2026-08-06 11:11:58 +08:00
Dax	0fbe489e35	feat(core): migrate v1 data to v2 (#40723 )	2026-08-05 21:57:58 -04:00
Kit Langton	03e9789064	test(core): align event persistence expectations (#40783 )	2026-08-06 01:50:45 +00:00
Kit Langton	0c558a6856	refactor(console): remove unused mail assets (#40758 )	2026-08-06 00:29:55 +00:00
Kit Langton	f297bd3b8b	refactor(desktop): remove disconnected CLI installer (#40751 )	2026-08-06 00:29:37 +00:00
Kit Langton	1bfc23f503	refactor(console): remove unused landing assets (#40757 )	2026-08-06 00:28:37 +00:00
Kit Langton	3839aafa25	refactor: remove orphaned sqlite package (#40766 )	2026-08-06 00:00:40 +00:00
Dax Raad	bd2f37bc90	fix(core): clarify current session label	2026-08-05 19:33:59 -04:00
Dax Raad	120e4e7388	fix(core): make event persistence opt-in	2026-08-05 19:33:59 -04:00
Kit Langton	6f91bc7415	fix(tui): load sidebar project names sooner (#40763 )	2026-08-05 19:31:42 -04:00
Kit Langton	c46f6ae112	refactor(app): remove unused help placeholder (#40756 )	2026-08-05 18:53:25 -04:00
Kit Langton	285444aab4	refactor(web): remove superseded ornate logos (#40750 )	2026-08-05 22:35:41 +00:00
Kit Langton	56c33e84a3	fix(tui): keep model search order stable (#40753 )	2026-08-05 18:19:26 -04:00
Kit Langton	73581b3c3b	refactor(web): remove unused icons (#40744 )	2026-08-05 21:51:54 +00:00
Kit Langton	6e4d01f846	refactor(session-ui): remove unused panel title (#40741 )	2026-08-05 21:50:46 +00:00
Kit Langton	8646587c95	refactor(web): remove unused share anchor (#40742 )	2026-08-05 17:46:40 -04:00
Kit Langton	fb47f06228	refactor(desktop): remove superseded local sidecar (#40743 )	2026-08-05 17:46:19 -04:00
Kit Langton	3acaa5a359	refactor(core): remove unused shell posix metadata (#40734 )	2026-08-05 21:31:35 +00:00
Kit Langton	0726a25142	refactor(console): remove abandoned desktop promo (#40737 )	2026-08-05 21:30:53 +00:00
Kit Langton	0df96ddeb0	refactor(codemode): remove unused spread helper (#40729 )	2026-08-05 21:26:33 +00:00
Kit Langton	887673310b	refactor(core): remove unused session exports (#40730 )	2026-08-05 21:26:16 +00:00
Kit Langton	693a1bff81	refactor(core): remove unused copy strategy registry (#40735 )	2026-08-05 21:25:18 +00:00
Kit Langton	b40ed3aa85	refactor(console): remove unused mail helpers (#40740 )	2026-08-05 21:24:21 +00:00
Kit Langton	732bb9c3cb	refactor(core): remove discarded MCP connection details (#40726 )	2026-08-05 17:20:13 -04:00
Kit Langton	2fd1660b4d	refactor(core): remove test-only ignore helper (#40733 )	2026-08-05 21:15:22 +00:00
Kit Langton	681526d348	refactor(core): remove duplicate directory query (#40731 )	2026-08-05 21:10:01 +00:00
Kit Langton	e78869c849	refactor(core): remove unused agent default method (#40725 )	2026-08-05 20:46:36 +00:00
Kit Langton	934935963d	refactor(core): remove unused filesystem search methods (#40703 )	2026-08-05 19:42:30 +00:00
Kit Langton	f3912a2a8a	refactor(app): remove unused UI helpers (#40686 )	2026-08-05 15:15:15 -04:00
Kit Langton	45d58717a4	fix(core): bound protected home searches (#40518 )	2026-08-05 15:15:02 -04:00
Kit Langton	74e3155ef0	refactor(session-ui): remove unused exported components (#40685 )	2026-08-05 15:13:39 -04:00
Kit Langton	0af6c82563	refactor(core): remove orphaned message projector paths (#40705 )	2026-08-05 15:13:15 -04:00
Kit Langton	686127f809	refactor(core): remove unreachable repository validation (#40700 )	2026-08-05 14:30:29 -04:00
Kit Langton	5256655c4d	refactor(core): remove obsolete project commit bridge (#40701 )	2026-08-05 18:16:55 +00:00
Kit Langton	d10b652637	refactor(core): remove unused formatter methods (#40684 )	2026-08-05 13:45:23 -04:00
Kit Langton	b03ca0d4e2	refactor(core): remove unused bus sequences (#40681 )	2026-08-05 13:41:38 -04:00
Kit Langton	25aaea3d31	refactor(core): remove unused shell tree killer (#40680 )	2026-08-05 13:38:59 -04:00
Kit Langton	cae7a139bc	refactor(server): remove obsolete auth header helpers (#40682 )	2026-08-05 13:37:29 -04:00
Kit Langton	5ea62ab05f	refactor(core): remove orphaned git change operations (#40683 )	2026-08-05 13:32:03 -04:00
Kit Langton	faadc05c88	refactor(core): remove unused snapshot operations (#40687 )	2026-08-05 13:01:48 -04:00
Kit Langton	3e253c589e	refactor(core): persist instruction updates as messages (#40679 )	2026-08-05 12:55:29 -04:00
Kit Langton	0a0fc09533	refactor(core): remove unused file mutation methods (#40667 )	2026-08-05 12:33:20 -04:00
Kit Langton	5aa0413fea	refactor(core): remove dead fork pending copy (#40675 )	2026-08-05 12:30:42 -04:00
Kit Langton	6f4c199629	fix(tui): wait for diff request in tests (#40670 )	2026-08-05 16:02:22 +00:00
Kit Langton	ed8e1f4654	fix(core): reconcile promoted prompt retries from messages (#40664 )	2026-08-05 11:43:03 -04:00
Kit Langton	3b0195e045	fix(core): avoid eager directory snapshots (#40552 )	2026-08-05 14:52:07 +00:00
Shoubhit Dash	143a776373	fix(acp): surface subagent activity (#40438 )	2026-08-05 18:57:15 +05:30
Brendan Allan	76b318e990	refactor(app): gate unsupported v2 capabilities (#40381 )	2026-08-05 15:15:26 +08:00
opencode-agent[bot]	c0ab35c3c2	fix(app): show active search details (#40597 ) Co-authored-by: Luke Parker <10430890+Hona@users.noreply.github.com>	2026-08-05 17:09:42 +10:00
Brendan Allan	b1c1b79d15	refactor(app): migrate supported v2 APIs (#40378 )	2026-08-05 14:35:02 +08:00
Brendan Allan	4eb1b37d9b	fix(app): reconcile v2 session projections (#40376 )	2026-08-05 13:46:55 +08:00
Brendan Allan	f2b3a12910	refactor(app): own rendering contracts (#40375 )	2026-08-05 13:30:50 +08:00
Aiden Cline	daa998f9c3	fix(core): make xAI OAuth device-only (#40538 )	2026-08-04 22:55:31 -05:00
Brendan Allan	c74a0d8529	test(app): migrate e2e fixtures to v2 (#40374 )	2026-08-05 11:33:18 +08:00
Aiden Cline	330ef108ce	fix(core): report missing shell workdir (#40542 )	2026-08-04 20:56:02 -05:00
opencode-agent[bot]	f9ac6f3171	fix(ai): restore Responses tool input semantics (#40553 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-04 20:46:51 -05:00
opencode-agent[bot]	62e5d73d45	fix(ai): classify malformed Responses tool calls (#40549 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-04 20:40:36 -05:00
Kit Langton	ab20a7b4a3	feat(tui): streamline tab navigation shortcuts (#40551 )	2026-08-05 01:36:23 +00:00
opencode-agent[bot]	ad9a95f6ee	fix(ai): preserve Gemini tool finish semantics (#40546 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-04 20:29:06 -05:00
Aiden Cline	4ed343706d	fix: retry empty incomplete streams (#40535 )	2026-08-04 19:38:56 -05:00
opencode-agent[bot]	6d2eb2240a	fix(app): finish tool call ID rename (#40539 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-04 19:26:45 -05:00
Dax Raad	53b8111121	refactor: rename tool call ID fields	2026-08-04 17:08:12 -04:00
Kit Langton	1fd817ffcf	fix(client): wait for live service contenders (#40515 )	2026-08-04 20:23:57 +00:00
Aiden Cline	b9c118e0fe	chore(core): drop unreachable AI SDK provider packages (#40504 )	2026-08-04 14:37:56 -05:00
opencode-agent[bot]	d1c9e39978	fix(tui): update tab titles immediately (#40318 ) Co-authored-by: James Long <17031+jlongster@users.noreply.github.com>	2026-08-04 14:23:29 -04:00
Aiden Cline	0b1ec457dc	fix(tui): show branch beside directory (#40500 )	2026-08-04 12:26:18 -05:00
Aiden Cline	9bd99b4c91	feat(vcs): publish branch updates (#40371 )	2026-08-04 11:52:17 -05:00
opencode-agent[bot]	94fcb119a3	fix(core): avoid implicit output limits (#40488 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-08-04 11:09:23 -05:00
Aiden Cline	aa820db18d	feat(plugin): add session HTTP middleware (#40327 )	2026-08-04 09:15:52 -05:00