fix(ai): replay function call item ids

fix(ai): keep response ids provider-owned
fix(ai): stop generating response item ids
2026-08-08 01:59:46 -04:00 · 2026-08-07 22:30:52 -05:00 · 2026-08-07 17:15:00 -05:00 · 2026-08-07 14:26:50 -05:00 · 2026-08-07 14:04:15 -05:00 · 2026-08-07 12:57:48 -05:00
491 changed files with 25339 additions and 26549 deletions
@@ -4,7 +4,6 @@ on:
  push:
    branches:
      - dev
-      - v2

 jobs:
  generate:
@@ -251,3 +251,4 @@ opencode-drive stop --name demo
 ```bash
 opencode-drive dir --name demo
 ```
+
@@ -571,20 +571,6 @@
        "@typescript/native-preview": "catalog:",
      },
    },
-    "packages/merman": {
-      "name": "@opencode-ai/merman",
-      "version": "0.0.0",
-      "dependencies": {
-        "@opencode-ai/plugin": "workspace:*",
-        "@opentui/core": "catalog:",
-        "string-width": "catalog:",
-      },
-      "devDependencies": {
-        "@tsconfig/bun": "catalog:",
-        "@types/bun": "catalog:",
-        "@typescript/native-preview": "catalog:",
-      },
-    },
    "packages/plugin": {
      "name": "@opencode-ai/plugin",
      "version": "1.18.8",
@@ -693,7 +679,6 @@
        "@opencode-ai/util": "workspace:*",
        "drizzle-orm": "catalog:",
        "effect": "catalog:",
-        "modal": "0.9.0",
      },
      "devDependencies": {
        "@tsconfig/bun": "catalog:",
@@ -896,7 +881,6 @@
      "dependencies": {
        "@opencode-ai/client": "workspace:*",
        "@opencode-ai/core": "workspace:*",
-        "@opencode-ai/merman": "workspace:*",
        "@opencode-ai/plugin": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
        "@opencode-ai/simulation": "workspace:*",
@@ -1528,18 +1512,6 @@

    "@capsizecss/unpack": ["@capsizecss/unpack@2.4.0", "", { "dependencies": { "blob-to-buffer": "^1.2.8", "cross-fetch": "^3.0.4", "fontkit": "^2.0.2" } }, "sha512-GrSU71meACqcmIUxPYOJvGKF0yryjN/L1aCuE9DViCTJI7bfkjgYDPD1zbNDcINJwSSP6UaBZY9GAbYDO7re0Q=="],

-    "@cbor-extract/cbor-extract-darwin-arm64": ["@cbor-extract/cbor-extract-darwin-arm64@2.2.2", "", { "os": "darwin", "cpu": "arm64" }, "sha512-ZKZ/F8US7JR92J4DMct6cLW/Y66o2K576+zjlEN/MevH70bFIsB10wkZEQPLzl2oNh2SMGy55xpJ9JoBRl5DOA=="],
-
-    "@cbor-extract/cbor-extract-darwin-x64": ["@cbor-extract/cbor-extract-darwin-x64@2.2.2", "", { "os": "darwin", "cpu": "x64" }, "sha512-32b1mgc+P61Js+KW9VZv/c+xRw5EfmOcPx990JbCBSkYJFY0l25VinvyyWfl+3KjibQmAcYwmyzKF9J4DyKP/Q=="],
-
-    "@cbor-extract/cbor-extract-linux-arm": ["@cbor-extract/cbor-extract-linux-arm@2.2.2", "", { "os": "linux", "cpu": "arm" }, "sha512-tNg0za41TpQfkhWjptD+0gSD2fggMiDCSacuIeELyb2xZhr7PrhPe5h66Jc67B/5dmpIhI2QOUtv4SBsricyYQ=="],
-
-    "@cbor-extract/cbor-extract-linux-arm64": ["@cbor-extract/cbor-extract-linux-arm64@2.2.2", "", { "os": "linux", "cpu": "arm64" }, "sha512-wfqgzqCAy/Vn8i6WVIh7qZd0DdBFaWBjPdB6ma+Wihcjv0gHqD/mw3ouVv7kbbUNrab6dKEx/w3xQZEdeXIlzg=="],
-
-    "@cbor-extract/cbor-extract-linux-x64": ["@cbor-extract/cbor-extract-linux-x64@2.2.2", "", { "os": "linux", "cpu": "x64" }, "sha512-rpiLnVEsqtPJ+mXTdx1rfz4RtUGYIUg2rUAZgd1KjiC1SehYUSkJN7Yh+aVfSjvCGtVP0/bfkQkXpPXKbmSUaA=="],
-
-    "@cbor-extract/cbor-extract-win32-x64": ["@cbor-extract/cbor-extract-win32-x64@2.2.2", "", { "os": "win32", "cpu": "x64" }, "sha512-dI+9P7cfWxkTQ+oE+7Aa6onEn92PHgfWXZivjNheCRmTBDBf2fx6RyTi0cmgpYLnD1KLZK9ZYrMxaPZ4oiXhGA=="],
-
    "@chevrotain/types": ["@chevrotain/types@11.1.2", "", {}, "sha512-U+HFai5+zmJCkK86QsaJtoITlboZHBqrVketcO2ROv865xfCMSFpELQoz1GkX5GzME8pTa+3kbKrZHQtI0gdbw=="],

    "@clack/core": ["@clack/core@1.0.0-alpha.1", "", { "dependencies": { "picocolors": "^1.0.0", "sisteransi": "^1.0.5" } }, "sha512-rFbCU83JnN7l3W1nfgCqqme4ZZvTTgsiKQ6FM0l+r0P+o2eJpExcocBUWUIwnDzL76Aca9VhUdWmB2MbUv+Qyg=="],
@@ -1748,10 +1720,6 @@

    "@graphql-typed-document-node/core": ["@graphql-typed-document-node/core@3.2.0", "", { "peerDependencies": { "graphql": "^0.8.0 || ^0.9.0 || ^0.10.0 || ^0.11.0 || ^0.12.0 || ^0.13.0 || ^14.0.0 || ^15.0.0 || ^16.0.0 || ^17.0.0" } }, "sha512-mB9oAsNCm9aM3/SOv4YtBMqZbYj10R7dkq8byBqxGY/ncFwhf2oQzMV+LCRlWoDSEBJ3COiR1yeDvMtsoOsuFQ=="],

-    "@grpc/grpc-js": ["@grpc/grpc-js@1.14.4", "", { "dependencies": { "@grpc/proto-loader": "^0.8.0", "@js-sdsl/ordered-map": "^4.4.2" } }, "sha512-k9Dj3DV/itK9D06Y8f190Qgop7/Ui+D0njFV3LHMPwPT75DpXLQohE9Wmz0QElrJnzsjB7KPWiKJbOl7IPDArQ=="],
-
-    "@grpc/proto-loader": ["@grpc/proto-loader@0.8.1", "", { "dependencies": { "lodash.camelcase": "^4.3.0", "long": "^5.0.0", "protobufjs": "^7.5.5", "yargs": "^17.7.2" }, "bin": { "proto-loader-gen-types": "build/bin/proto-loader-gen-types.js" } }, "sha512-wtF6h+DY6M3YaDBPAmvuuA6jV8Sif9MjtOI5euKFWRgCDl5PeDpPsHR9u2l6St5ceY8AZgoNDww5+HvEsXFsGg=="],
-
    "@happy-dom/global-registrator": ["@happy-dom/global-registrator@20.0.11", "", { "dependencies": { "@types/node": "^20.0.0", "happy-dom": "^20.0.11" } }, "sha512-GqNqiShBT/lzkHTMC/slKBrvN0DsD4Di8ssBk4aDaVgEn+2WMzE6DXxq701ndSXj7/0cJ8mNT71pM7Bnrr6JRw=="],

    "@hono/node-server": ["@hono/node-server@1.19.15", "", { "peerDependencies": { "hono": "^4" } }, "sha512-Za2ai6TLdKjUvnur+eenO6nuYYipVAEhyCAdaV8IRvmU9kK8crOZUSYvIXn72E4f8fJqyAbpcJuTsYYmZp9Deg=="],
@@ -1846,8 +1814,6 @@

    "@jridgewell/trace-mapping": ["@jridgewell/trace-mapping@0.3.31", "", { "dependencies": { "@jridgewell/resolve-uri": "^3.1.0", "@jridgewell/sourcemap-codec": "^1.4.14" } }, "sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw=="],

-    "@js-sdsl/ordered-map": ["@js-sdsl/ordered-map@4.4.2", "", {}, "sha512-iUKgm52T8HOE/makSxjqoWhe95ZJA1/G1sYsGev2JDKUSS14KAgg1LHb+Ba+IPow0xflbnSkOsZcO08C7w1gYw=="],
-
    "@js-temporal/polyfill": ["@js-temporal/polyfill@0.5.1", "", { "dependencies": { "jsbi": "^4.3.0" } }, "sha512-hloP58zRVCRSpgDxmqCWJNlizAlUgJFqG2ypq79DCvyv9tHjRYMDOcPFjzfl/A1/YxDvRCZz8wvZvmapQnKwFQ=="],

    "@jsx-email/all": ["@jsx-email/all@2.2.3", "", { "dependencies": { "@jsx-email/body": "1.0.2", "@jsx-email/button": "1.0.4", "@jsx-email/column": "1.0.3", "@jsx-email/container": "1.0.2", "@jsx-email/font": "1.0.3", "@jsx-email/head": "1.0.2", "@jsx-email/heading": "1.0.2", "@jsx-email/hr": "1.0.2", "@jsx-email/html": "1.0.2", "@jsx-email/img": "1.0.2", "@jsx-email/link": "1.0.2", "@jsx-email/markdown": "2.0.4", "@jsx-email/preview": "1.0.2", "@jsx-email/render": "1.1.1", "@jsx-email/row": "1.0.2", "@jsx-email/section": "1.0.2", "@jsx-email/tailwind": "2.4.4", "@jsx-email/text": "1.0.2" }, "peerDependencies": { "react": "^18.2.0" } }, "sha512-OBvLe/hVSQc0LlMSTJnkjFoqs3bmxcC4zpy/5pT5agPCSKMvAKQjzmsc2xJ2wO73jSpRV1K/g38GmvdCfrhSoQ=="],
@@ -2098,8 +2064,6 @@

    "@opencode-ai/httpapi-codegen": ["@opencode-ai/httpapi-codegen@workspace:packages/httpapi-codegen"],

-    "@opencode-ai/merman": ["@opencode-ai/merman@workspace:packages/merman"],
-
    "@opencode-ai/plugin": ["@opencode-ai/plugin@workspace:packages/plugin"],

    "@opencode-ai/protocol": ["@opencode-ai/protocol@workspace:packages/protocol"],
@@ -3334,8 +3298,6 @@

    "abort-controller": ["abort-controller@3.0.0", "", { "dependencies": { "event-target-shim": "^5.0.0" } }, "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg=="],

-    "abort-controller-x": ["abort-controller-x@0.5.0", "", {}, "sha512-yTt9CI0x+nRfX6BFMenEGP8ooPvErGH6AbFz20C2IeOLIlDsrw/VHpgne3GsCEuTA410IiFiaLVFKmgM4bKEPQ=="],
-
    "accepts": ["accepts@2.0.0", "", { "dependencies": { "mime-types": "^3.0.0", "negotiator": "^1.0.0" } }, "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng=="],

    "acorn": ["acorn@8.15.0", "", { "bin": { "acorn": "bin/acorn" } }, "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg=="],
@@ -3576,10 +3538,6 @@

    "caniuse-lite": ["caniuse-lite@1.0.30001806", "", {}, "sha512-72Cuvd95zbSYPKq6Fhg8eDJRlzgWDf7/mtoZv6Qe/DYNCEBdNxoA3+rZAU2ZhGCpZlns3EssFavaZomckT5Uuw=="],

-    "cbor-extract": ["cbor-extract@2.2.2", "", { "dependencies": { "node-gyp-build-optional-packages": "5.1.1" }, "optionalDependencies": { "@cbor-extract/cbor-extract-darwin-arm64": "2.2.2", "@cbor-extract/cbor-extract-darwin-x64": "2.2.2", "@cbor-extract/cbor-extract-linux-arm": "2.2.2", "@cbor-extract/cbor-extract-linux-arm64": "2.2.2", "@cbor-extract/cbor-extract-linux-x64": "2.2.2", "@cbor-extract/cbor-extract-win32-x64": "2.2.2" }, "bin": { "download-cbor-prebuilds": "bin/download-prebuilds.js" } }, "sha512-hlSxxI9XO2yQfe9g6msd3g4xCfDqK5T5P0fRMLuaLHhxn4ViPrm+a+MUfhrvH2W962RGxcBwEGzLQyjbDG1gng=="],
-
-    "cbor-x": ["cbor-x@1.6.5", "", { "optionalDependencies": { "cbor-extract": "^2.2.2" } }, "sha512-yO64CxnSh6kp+pHNRK9IfwnMvCB+c8HvmUjQY/9l9YRF0/cAPka/tUHLwS64QqUpFCq3/OtbKziVJYXH2EaRig=="],
-
    "ccount": ["ccount@2.0.1", "", {}, "sha512-eyrF0jiFpY+3drT6383f1qhkbGsLSifNAjA61IUjZjmLCWjItY6LB9ft9YhoDgwfmclB2zhu51Lc7+95b8NRAg=="],

    "chai": ["chai@5.3.3", "", { "dependencies": { "assertion-error": "^2.0.1", "check-error": "^2.1.1", "deep-eql": "^5.0.1", "loupe": "^3.1.0", "pathval": "^2.0.0" } }, "sha512-4zNhdJD/iOjSH0A05ea+Ke6MU5mmpQcbQsSOkgdaUMJ9zTlDTD/GYlwohmIE2u0gaxHYiVHEn1Fw9mZ/ktJWgw=="],
@@ -4612,8 +4570,6 @@

    "lodash-es": ["lodash-es@4.18.1", "", {}, "sha512-J8xewKD/Gk22OZbhpOVSwcs60zhd95ESDwezOFuA3/099925PdHJ7OFHNTGtajL3AlZkykD32HykiMo+BIBI8A=="],

-    "lodash.camelcase": ["lodash.camelcase@4.3.0", "", {}, "sha512-TwuEnCnxbc3rAvhf/LbG7tJUDzhqXyFnv3dtzLOPgCG/hODL7WFnsbwktkD7yUV0RrreP/l1PALq/YSg6VvjlA=="],
-
    "lodash.escaperegexp": ["lodash.escaperegexp@4.1.2", "", {}, "sha512-TM9YBvyC84ZxE3rgfefxUWiQKLilstD6k7PTGt6wfbtXF8ixIJLOL3VYyV/z+ZiPLsVxAsKAFVwWlWeb2Y8Yyw=="],

    "lodash.includes": ["lodash.includes@4.3.0", "", {}, "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w=="],
@@ -4840,8 +4796,6 @@

    "mkdirp": ["mkdirp@0.5.6", "", { "dependencies": { "minimist": "^1.2.6" }, "bin": { "mkdirp": "bin/cmd.js" } }, "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw=="],

-    "modal": ["modal@0.9.0", "", { "dependencies": { "cbor-x": "^1.6.0", "long": "^5.3.1", "nice-grpc": "^2.1.12", "protobufjs": "^7.5.0", "smol-toml": "^1.3.3", "uuid": "^11.1.0" } }, "sha512-kCXcdJkhbJorf/q/6T9Wdlg6in9JmRnCNQnV6rVBMyeqNV/iXI6BYk4IzY4cvZ6dbauNeDMjk/Q08cbxvoIaXg=="],
-
    "morphdom": ["morphdom@2.7.8", "", {}, "sha512-D/fR4xgGUyVRbdMGU6Nejea1RFzYxYtyurG4Fbv2Fi/daKlWKuXGLOdXtl+3eIwL110cI2hz1ZojGICjjFLgTg=="],

    "motion": ["motion@12.34.5", "", { "dependencies": { "framer-motion": "^12.34.5", "tslib": "^2.4.0" }, "peerDependencies": { "@emotion/is-prop-valid": "*", "react": "^18.0.0 || ^19.0.0", "react-dom": "^18.0.0 || ^19.0.0" }, "optionalPeers": ["@emotion/is-prop-valid", "react", "react-dom"] }, "sha512-N06NLJ9IeBHeielRqIvYvjPfXuRdyTxa+9++BgpGa+hY2D7TcMkI6QzV3jaRuv0aZRXgMa7cPy9YcBUBisPzAQ=="],
@@ -4880,10 +4834,6 @@

    "nf3": ["nf3@0.1.12", "", {}, "sha512-qbMXT7RTGh74MYWPeqTIED8nDW70NXOULVHpdWcdZ7IVHVnAsMV9fNugSNnvooipDc1FMOzpis7T9nXJEbJhvQ=="],

-    "nice-grpc": ["nice-grpc@2.1.16", "", { "dependencies": { "@grpc/grpc-js": "^1.14.0", "abort-controller-x": "^0.5.0", "nice-grpc-common": "^2.0.3" } }, "sha512-Cl3Pn00212Hl8/U6bpgMxmhZj5lyv3nWoJov4cd3FjWarktrMHP4DNvSjCnDwkMWYx4W1tyscEia4JX6Y4GVCQ=="],
-
-    "nice-grpc-common": ["nice-grpc-common@2.0.3", "", { "dependencies": { "ts-error": "^1.0.6" } }, "sha512-MEhnD3JMah0mgyivpb9hpRDbOBuXBxI/TVO+OK1h6rC97WM42HsPMR+zzRNQ0C5BqYJTw1nyWiQRD0DucO+pjQ=="],
-
    "nitro": ["nitro@3.0.1-alpha.1", "", { "dependencies": { "consola": "^3.4.2", "crossws": "^0.4.1", "db0": "^0.3.4", "h3": "2.0.1-rc.5", "jiti": "^2.6.1", "nf3": "^0.1.10", "ofetch": "^2.0.0-alpha.3", "ohash": "^2.0.11", "oxc-minify": "^0.96.0", "oxc-transform": "^0.96.0", "srvx": "^0.9.5", "undici": "^7.16.0", "unenv": "^2.0.0-rc.24", "unstorage": "^2.0.0-alpha.4" }, "peerDependencies": { "rolldown": "*", "rollup": "^4", "vite": "^7", "xml2js": "^0.6.2" }, "optionalPeers": ["rolldown", "rollup", "vite", "xml2js"], "bin": { "nitro": "dist/cli/index.mjs" } }, "sha512-U4AxIsXxdkxzkFrK0XAw0e5Qbojk8jQ50MjjRBtBakC4HurTtQoiZvF+lSe382jhuQZCfAyywGWOFa9QzXLFaw=="],

    "nlcst-to-string": ["nlcst-to-string@4.0.0", "", { "dependencies": { "@types/nlcst": "^2.0.0" } }, "sha512-YKLBCcUYKAg0FNlOBT6aI91qFmSiFKiluk655WzPF+DDMA02qIyy8uiRqI8QXtcFpEvll12LpL5MXqEmAZ+dcA=="],
@@ -5682,8 +5632,6 @@

    "ts-dedent": ["ts-dedent@2.3.0", "", {}, "sha512-JfJeIHke7y2egdGGgRAvpCwYFUsHlM2gPcrVOxFkznt/4uzQ7HFmvE63iFHVLBJNDuyDOQgijDK/tXH/f6Msjg=="],

-    "ts-error": ["ts-error@1.0.6", "", {}, "sha512-tLJxacIQUM82IR7JO1UUkKlYuUTmoY9HBJAmNWFzheSlDS5SPMcNIepejHJa4BpPQLAcbRhRf3GDJzyj6rbKvA=="],
-
    "ts-interface-checker": ["ts-interface-checker@0.1.13", "", {}, "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA=="],

    "tsconfck": ["tsconfck@3.1.6", "", { "peerDependencies": { "typescript": "^5.0.0" }, "optionalPeers": ["typescript"], "bin": { "tsconfck": "bin/tsconfck.js" } }, "sha512-ks6Vjr/jEw0P1gmOVwutM3B7fWxoWBL2KRDb1JfqGVawBmO5UsvmWOQFGHBPl5yxYz4eERr19E6L7NMv+Fej4w=="],
@@ -6642,8 +6590,6 @@

    "builder-util/js-yaml": ["js-yaml@4.3.0", "", { "dependencies": { "argparse": "^2.0.1" }, "bin": { "js-yaml": "bin/js-yaml.js" } }, "sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q=="],

-    "cbor-extract/node-gyp-build-optional-packages": ["node-gyp-build-optional-packages@5.1.1", "", { "dependencies": { "detect-libc": "^2.0.1" }, "bin": { "node-gyp-build-optional-packages": "bin.js", "node-gyp-build-optional-packages-test": "build-test.js", "node-gyp-build-optional-packages-optional": "optional.js" } }, "sha512-+P72GAjVAbTxjjwUmwjVrqrdZROD4nf8KgpBoDxqXXTiYZZt/ud60dE5yvCSr9lRO8e8yv6kgJIC0K0PfZFVQw=="],
-
    "cliui/string-width": ["string-width@4.2.3", "", { "dependencies": { "emoji-regex": "^8.0.0", "is-fullwidth-code-point": "^3.0.0", "strip-ansi": "^6.0.1" } }, "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g=="],

    "cliui/strip-ansi": ["strip-ansi@6.0.1", "", { "dependencies": { "ansi-regex": "^5.0.1" } }, "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A=="],
@@ -6788,8 +6734,6 @@

    "minipass-pipeline/minipass": ["minipass@3.3.6", "", { "dependencies": { "yallist": "^4.0.0" } }, "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw=="],

-    "modal/uuid": ["uuid@11.1.1", "", { "bin": { "uuid": "dist/esm/bin/uuid" } }, "sha512-vIYxrBCC/N/K+Js3qSN88go7kIfNPssr/hHCesKCQNAjmgvYS2oqr69kIufEG+O4+PfezOH4EbIeHCfFov8ZgQ=="],
-
    "motion/framer-motion": ["framer-motion@12.42.2", "", { "dependencies": { "motion-dom": "^12.42.2", "motion-utils": "^12.39.0", "tslib": "^2.4.0" }, "peerDependencies": { "@emotion/is-prop-valid": "*", "react": "^18.0.0 || ^19.0.0", "react-dom": "^18.0.0 || ^19.0.0" }, "optionalPeers": ["@emotion/is-prop-valid", "react", "react-dom"] }, "sha512-5XY9luDiu0oHfHBjpDthFMh0ES+122w6p/papSJBweMkO8Sn+PW2QaEgRblQBpWFnuvZS5qvarpt/hO2pjGmnw=="],

    "nitro/h3": ["h3@2.0.1-rc.5", "", { "dependencies": { "rou3": "^0.7.9", "srvx": "^0.9.1" }, "peerDependencies": { "crossws": "^0.4.1" }, "optionalPeers": ["crossws"] }, "sha512-qkohAzCab0nLzXNm78tBjZDvtKMTmtygS8BJLT3VPczAQofdqlFXDPkXdLMJN4r05+xqneG8snZJ0HgkERCZTg=="],
@@ -368,12 +368,11 @@ Other provider exports listed above remain direct facades until they explicitly

 ## Provider options & HTTP overlays

-Request options in order of stability:
+Three escape hatches in order of stability:

 1. **`generation`** — portable knobs (`maxTokens`, `temperature`, `topP`, `topK`, penalties, seed, stop).
-2. **`promptCacheKey`** — stable cache affinity lowered by every protocol that supports it.
-3. **`providerOptions: { <provider>: {...} }`** — typed-at-the-facade provider-specific knobs (OpenAI `store`, Anthropic `thinking`, Gemini `thinkingConfig`, OpenRouter routing).
-4. **`http: { body, headers, query }`** — last-resort serializable overlays merged into the final HTTP request. Reach for this only when a stable typed path doesn't yet exist.
+2. **`providerOptions: { <provider>: {...} }`** — typed-at-the-facade provider-specific knobs (OpenAI `promptCacheKey`, Anthropic `thinking`, Gemini `thinkingConfig`, OpenRouter routing).
+3. **`http: { body, headers, query }`** — last-resort serializable overlays merged into the final HTTP request. Reach for this only when a stable typed path doesn't yet exist.

 Route/provider defaults are overridden by request-level values for each axis.

@@ -33,10 +33,9 @@ const model = OpenAI.configure({
 //
 //   - `generation`: common controls such as max tokens, temperature, topP/topK,
 //     penalties, seed, and stop sequences.
-//   - `promptCacheKey`: stable cache affinity for protocols that support it.
 //   - `providerOptions`: namespaced provider-native behavior. For example,
-//     OpenAI store behavior, Anthropic thinking, Gemini thinking config, or
-//     OpenRouter routing/reasoning.
+//     OpenAI cache keys and store behavior, Anthropic thinking, Gemini thinking
+//     config, or OpenRouter routing/reasoning.
 //   - `http`: last-resort serializable overlays for final request body, headers,
 //     and query params. Prefer typed `providerOptions` when a field is stable.
 //
@@ -46,7 +45,9 @@ const request = LLM.request({
  system: "You are concise and practical.",
  prompt: "Tell me a joke",
  generation: { maxTokens: 80, temperature: 0.7 },
-  promptCacheKey: "tutorial-joke",
+  providerOptions: {
+    openai: { promptCacheKey: "tutorial-joke" },
+  },
 })

 // 3. `generate` sends the request and collects the event stream into one
@@ -133,8 +133,7 @@ const countHints = (request: LLMRequest) =>

 export const applyCachePolicy = (request: LLMRequest): LLMRequest => {
  if (!RESPECTS_INLINE_HINTS.has(request.model.route.id)) return request
-  if (request.model.route.id === "openrouter" && (request.cache === undefined || request.cache === "auto"))
-    return request
+  if (request.model.route.id === "openrouter" && (request.cache === undefined || request.cache === "auto")) return request
  const policy = resolve(request.cache)
  if (!policy.tools && !policy.system && !policy.messages) return request

@@ -90,10 +90,15 @@ const OpenResponsesFunctionCallOutput = Schema.Union([
 ])

 export const InputItem = Schema.Union([
-  Schema.Struct({ role: Schema.tag("system"), content: Schema.String }),
-  Schema.Struct({ role: Schema.tag("user"), content: Schema.Array(OpenResponsesInputContent) }),
+  Schema.Struct({ role: Schema.tag("system"), id: Schema.optionalKey(Schema.String), content: Schema.String }),
+  Schema.Struct({
+    role: Schema.tag("user"),
+    id: Schema.optionalKey(Schema.String),
+    content: Schema.Array(OpenResponsesInputContent),
+  }),
  Schema.Struct({
    role: Schema.tag("assistant"),
+    id: Schema.optionalKey(Schema.String),
    content: Schema.Array(OpenResponsesOutputText),
    phase: Schema.optionalKey(MessagePhase),
  }),
@@ -101,19 +106,23 @@ export const InputItem = Schema.Union([
  OpenResponsesItemReference,
  Schema.Struct({
    type: Schema.tag("function_call"),
+    id: Schema.optionalKey(Schema.String),
    call_id: Schema.String,
    name: Schema.String,
    arguments: Schema.String,
  }),
  Schema.Struct({
    type: Schema.tag("function_call_output"),
+    id: Schema.optionalKey(Schema.String),
    call_id: Schema.String,
    output: OpenResponsesFunctionCallOutput,
  }),
 ])
 type OpenResponsesInputItem = Schema.Schema.Type<typeof InputItem>
+type ProviderInputItem = Readonly<Record<string, unknown>> & { readonly type: string; readonly id?: string }
 type LoweredInputItem =
  | OpenResponsesInputItem
+  | ProviderInputItem
  | {
      readonly role: "assistant"
      readonly content: ReadonlyArray<{ readonly type: "output_text"; readonly text: string }>
@@ -128,7 +137,7 @@ type OpenResponsesReasoningInput = {
  summary: Array<{ type: "summary_text"; text: string }>
  encrypted_content?: string | null
 }
-type OpenResponsesReasoningReplay = Omit<OpenResponsesReasoningInput, "id">
+type OpenResponsesReasoningReplay = Omit<OpenResponsesReasoningInput, "id"> & { id?: string }

 export const Tool = Schema.Struct({
  type: Schema.tag("function"),
@@ -254,6 +263,11 @@ export interface Extension {
    readonly request: LLMRequest
  }) => MediaInput | undefined
  readonly messagePhase?: (value: unknown) => MessagePhase | null | undefined
+  readonly lowerProviderItem?: (
+    part: ToolResultPart,
+    providerMetadataKey: string,
+    store: boolean | undefined,
+  ) => ProviderInputItem | undefined
 }

 const BASE: Extension = { id: ADAPTER, name: NAME }
@@ -310,36 +324,48 @@ export const lowerToolChoice = (protocolName: string, toolChoice: NonNullable<LL
    tool: (toolName) => ({ type: "function" as const, name: toolName }),
  })

-const lowerToolCall = (part: ToolCallPart): OpenResponsesInputItem => ({
-  type: "function_call",
-  call_id: part.id,
-  name: part.name,
-  arguments: ProviderShared.encodeJson(part.input),
-})
-
-const lowerReasoning = (part: ReasoningPart, providerMetadataKey: string): OpenResponsesReasoningInput | undefined => {
-  const metadata = part.providerMetadata?.[providerMetadataKey]
-  if (!ProviderShared.isRecord(metadata) || typeof metadata.itemId !== "string" || metadata.itemId.length === 0)
-    return undefined
-  const encryptedContent =
-    typeof metadata.reasoningEncryptedContent === "string" || metadata.reasoningEncryptedContent === null
-      ? metadata.reasoningEncryptedContent
-      : undefined
-  return {
-    type: "reasoning",
-    id: metadata.itemId,
-    summary: part.text.length > 0 ? [{ type: "summary_text", text: part.text }] : [],
-    encrypted_content: encryptedContent,
-  }
-}
-
-const hostedToolItemID = (part: ToolResultPart, providerMetadataKey: string) => {
+const metadataItemID = (
+  part: { readonly itemId?: string; readonly providerMetadata?: ProviderMetadata },
+  providerMetadataKey: string,
+) => {
+  if (part.itemId) return part.itemId
  const metadata = part.providerMetadata?.[providerMetadataKey]
  return ProviderShared.isRecord(metadata) && typeof metadata.itemId === "string" && metadata.itemId.length > 0
    ? metadata.itemId
    : undefined
 }

+const lowerToolCall = (part: ToolCallPart, providerMetadataKey: string): OpenResponsesInputItem => {
+  const itemId = metadataItemID(part, providerMetadataKey)
+  return {
+    type: "function_call",
+    ...(itemId === undefined ? {} : { id: itemId }),
+    call_id: part.id,
+    name: part.name,
+    arguments: ProviderShared.encodeJson(part.input),
+  }
+}
+
+const lowerReasoning = (part: ReasoningPart, providerMetadataKey: string): OpenResponsesReasoningInput | undefined => {
+  const metadata = part.providerMetadata?.[providerMetadataKey]
+  const itemId = metadataItemID(part, providerMetadataKey)
+  if (!itemId) return undefined
+  const encryptedContent =
+    ProviderShared.isRecord(metadata) &&
+    (typeof metadata.reasoningEncryptedContent === "string" || metadata.reasoningEncryptedContent === null)
+      ? metadata.reasoningEncryptedContent
+      : undefined
+  return {
+    type: "reasoning",
+    id: itemId,
+    summary: part.text.length > 0 ? [{ type: "summary_text", text: part.text }] : [],
+    encrypted_content: encryptedContent,
+  }
+}
+
+const hostedToolItemID = (part: ToolResultPart, providerMetadataKey: string) =>
+  metadataItemID(part, providerMetadataKey)
+
 const lowerMedia = Effect.fn("OpenResponses.lowerMedia")(function* (
  part: MediaPart,
  request: LLMRequest,
@@ -397,17 +423,18 @@ const lowerToolResultOutput = Effect.fn("OpenResponses.lowerToolResultOutput")(f
 })

 const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (request: LLMRequest, extension: Extension) {
+  const options = OpenResponsesOptions.resolve(request)
  const system: LoweredInputItem[] =
    request.system.length === 0 ? [] : [{ role: "system", content: ProviderShared.joinText(request.system) }]
  const input: LoweredInputItem[] = [...system]
-  const store = OpenResponsesOptions.resolve(request).store
+  const store = options.store
  const providerMetadataKey = request.model.route.providerMetadataKey ?? "openresponses"

  for (const message of request.messages) {
    if (message.role === "system") {
      const part = yield* ProviderShared.wrappedSystemUpdate(extension.name, message)
      const previous = input.at(-1)
-      if (previous && "role" in previous && previous.role === "user")
+      if (previous && "role" in previous && previous.role === "user" && Array.isArray(previous.content))
        input[input.length - 1] = {
          role: "user",
          content: [...previous.content, { type: "input_text", text: part.text }],
@@ -427,24 +454,24 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
    if (message.role === "assistant") {
      const content: TextPart[] = []
      const reasoningItems: Record<string, OpenResponsesReasoningReplay> = {}
-      const reasoningReferences = new Set<string>()
-      const hostedToolReferences = new Set<string>()
+      const hostedToolItems = new Set<string>()
      const flushText = () => {
        if (content.length === 0) return
-        const groups = content.reduce<Array<{ phase: MessagePhase | null | undefined; parts: TextPart[] }>>(
-          (groups, part) => {
-            const metadata = part.providerMetadata?.[providerMetadataKey]
-            const phase = ProviderShared.isRecord(metadata) ? messagePhase(metadata.phase, extension) : undefined
-            const group = groups.at(-1)
-            if (group && group.phase === phase) group.parts.push(part)
-            else groups.push({ phase, parts: [part] })
-            return groups
-          },
-          [],
-        )
+        const groups = content.reduce<
+          Array<{ phase: MessagePhase | null | undefined; itemId: string | undefined; parts: TextPart[] }>
+        >((groups, part) => {
+          const metadata = part.providerMetadata?.[providerMetadataKey]
+          const phase = ProviderShared.isRecord(metadata) ? messagePhase(metadata.phase, extension) : undefined
+          const itemId = metadataItemID(part, providerMetadataKey)
+          const group = groups.at(-1)
+          if (group && group.phase === phase && group.itemId === itemId) group.parts.push(part)
+          else groups.push({ phase, itemId, parts: [part] })
+          return groups
+        }, [])
        input.push(
          ...groups.map((group) => ({
            role: "assistant" as const,
+            ...(group.itemId === undefined ? {} : { id: group.itemId }),
            content: group.parts.map((part) => ({ type: "output_text" as const, text: part.text })),
            ...(group.phase === undefined ? {} : { phase: group.phase }),
          })),
@@ -460,11 +487,6 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
          flushText()
          const reasoning = lowerReasoning(part, providerMetadataKey)
          if (!reasoning) continue
-          if (store !== false) {
-            if (!reasoningReferences.has(reasoning.id)) input.push({ type: "item_reference", id: reasoning.id })
-            reasoningReferences.add(reasoning.id)
-            continue
-          }
          const existing = reasoningItems[reasoning.id]
          if (existing) {
            existing.summary.push(...reasoning.summary)
@@ -474,6 +496,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
          }
          const replay = {
            type: reasoning.type,
+            id: reasoning.id,
            summary: reasoning.summary,
            encrypted_content: reasoning.encrypted_content,
          }
@@ -484,22 +507,24 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
        if (part.type === "tool-call") {
          flushText()
          if (part.providerExecuted === true) continue
-          input.push(lowerToolCall(part))
+          input.push(lowerToolCall(part, providerMetadataKey))
          continue
        }
        if (part.type === "tool-result" && part.providerExecuted === true) {
          flushText()
          const itemID = hostedToolItemID(part, providerMetadataKey)
-          if (store !== false && itemID && !hostedToolReferences.has(itemID))
+          const providerItem = extension.lowerProviderItem?.(part, providerMetadataKey, store)
+          if (providerItem && itemID && !hostedToolItems.has(itemID)) input.push(providerItem)
+          if (!providerItem && store !== false && itemID && !hostedToolItems.has(itemID))
            input.push({ type: "item_reference", id: itemID })
-          if (store === false && part.result.type === "content") {
+          if (!providerItem && store === false && part.result.type === "content") {
            const content: ReadonlyArray<Content> = part.result.value
            input.push({
              role: "user",
              content: yield* Effect.forEach(content, (item) => lowerToolResultContentItem(item, request, extension)),
            })
          }
-          if (itemID) hostedToolReferences.add(itemID)
+          if (itemID) hostedToolItems.add(itemID)
          continue
        }
        return yield* ProviderShared.unsupportedContent(extension.name, "assistant", [
@@ -539,7 +564,7 @@ const lowerOptions = (request: LLMRequest) => {
  return {
    ...(options.instructions ? { instructions: options.instructions } : {}),
    ...(options.store !== undefined ? { store: options.store } : {}),
-    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
+    ...(options.promptCacheKey ? { prompt_cache_key: options.promptCacheKey } : {}),
    ...(options.include ? { include: options.include } : {}),
    ...(options.reasoningEffort || options.reasoningSummary
      ? { reasoning: { effort: options.reasoningEffort, summary: options.reasoningSummary } }
@@ -641,9 +666,9 @@ const onOutputTextDelta = (state: ParserState, event: Event, id: string): StepRe
  if (!event.delta) return [state, NO_EVENTS]
  const events: LLMEvent[] = []
  const phase = state.messagePhases[id]
-  const metadata = phase === undefined ? undefined : providerMetadata(state, { phase })
-  const lifecycle = Lifecycle.textStart(state.lifecycle, events, id, metadata)
-  return [{ ...state, lifecycle: Lifecycle.textDelta(lifecycle, events, id, event.delta) }, events]
+  const metadata = providerMetadata(state, { itemId: id, ...(phase === undefined ? {} : { phase }) })
+  const lifecycle = Lifecycle.textStart(state.lifecycle, events, id, metadata, id)
+  return [{ ...state, lifecycle: Lifecycle.textDelta(lifecycle, events, id, event.delta, metadata, id) }, events]
 }

 const onOutputTextDone = (state: ParserState, event: Event, id: string): StepResult => {
@@ -652,7 +677,13 @@ const onOutputTextDone = (state: ParserState, event: Event, id: string): StepRes
    return onOutputTextDelta(state, { ...event, delta: event.text }, id)
  }
  const events: LLMEvent[] = []
-  return [{ ...state, lifecycle: Lifecycle.textEnd(state.lifecycle, events, id) }, events]
+  return [
+    {
+      ...state,
+      lifecycle: Lifecycle.textEnd(state.lifecycle, events, id, providerMetadata(state, { itemId: id }), id),
+    },
+    events,
+  ]
 }

 export const onReasoningDelta = (state: ParserState, event: Event, itemID: string): StepResult => {
@@ -663,7 +694,14 @@ export const onReasoningDelta = (state: ParserState, event: Event, itemID: strin
  return [
    {
      ...state,
-      lifecycle: Lifecycle.reasoningDelta(state.lifecycle, events, id, event.delta),
+      lifecycle: Lifecycle.reasoningDelta(
+        state.lifecycle,
+        events,
+        id,
+        event.delta,
+        providerMetadata(state, { itemId: itemID }),
+        itemID,
+      ),
    },
    events,
  ]
@@ -705,7 +743,13 @@ const onOutputItemAdded = (state: ParserState, event: Event): StepResult => {
    return [
      {
        ...state,
-        lifecycle: Lifecycle.reasoningStart(state.lifecycle, events, `${item.id}:0`, reasoningMetadata(state, item)),
+        lifecycle: Lifecycle.reasoningStart(
+          state.lifecycle,
+          events,
+          `${item.id}:0`,
+          reasoningMetadata(state, item),
+          item.id,
+        ),
        reasoningItems: {
          ...state.reasoningItems,
          [item.id]: { encryptedContent: item.encrypted_content, summaryParts: { 0: "active" } },
@@ -724,6 +768,7 @@ const onOutputItemAdded = (state: ParserState, event: Event): StepResult => {
      lifecycle,
      tools: ToolStream.start(state.tools, item.id, {
        id: item.call_id ?? item.id,
+        itemId: item.id,
        name: item.name ?? "",
        input: item.arguments ?? "",
        providerMetadata: metadata,
@@ -731,7 +776,12 @@ const onOutputItemAdded = (state: ParserState, event: Event): StepResult => {
    },
    [
      ...events,
-      LLMEvent.toolInputStart({ id: item.call_id ?? item.id, name: item.name ?? "", providerMetadata: metadata }),
+      LLMEvent.toolInputStart({
+        id: item.call_id ?? item.id,
+        itemId: item.id,
+        name: item.name ?? "",
+        providerMetadata: metadata,
+      }),
    ],
  ]
 }
@@ -750,6 +800,7 @@ const onReasoningSummaryPartAdded = (state: ParserState, event: Event): StepResu
          events,
          `${event.item_id}:0`,
          providerMetadata(state, { itemId: event.item_id, reasoningEncryptedContent: null }),
+          event.item_id,
        ),
        reasoningItems: {
          ...state.reasoningItems,
@@ -770,6 +821,7 @@ const onReasoningSummaryPartAdded = (state: ParserState, event: Event): StepResu
          events,
          `${event.item_id}:${entry[0]}`,
          providerMetadata(state, { itemId: event.item_id }),
+          event.item_id,
        ),
      state.lifecycle,
    )
@@ -781,6 +833,7 @@ const onReasoningSummaryPartAdded = (state: ParserState, event: Event): StepResu
        events,
        `${event.item_id}:${event.summary_index}`,
        providerMetadata(state, { itemId: event.item_id, reasoningEncryptedContent: item.encryptedContent ?? null }),
+        event.item_id,
      ),
      reasoningItems: {
        ...state.reasoningItems,
@@ -816,6 +869,7 @@ const onReasoningSummaryPartDone = (state: ParserState, event: Event): StepResul
              events,
              `${event.item_id}:${event.summary_index}`,
              providerMetadata(state, { itemId: event.item_id }),
+              event.item_id,
            )
          : state.lifecycle,
      reasoningItems: {
@@ -870,7 +924,8 @@ const onOutputItemDone = Effect.fn("OpenResponses.onOutputItemDone")(function* (
          state.lifecycle,
          events,
          item.id,
-          phase === undefined ? undefined : providerMetadata(state, { phase }),
+          providerMetadata(state, { itemId: item.id, ...(phase === undefined ? {} : { phase }) }),
+          item.id,
        ),
        messageItems,
        messagePhases,
@@ -881,9 +936,15 @@ const onOutputItemDone = Effect.fn("OpenResponses.onOutputItemDone")(function* (

  if (item.type === "function_call") {
    if (!item.id || !item.call_id || !item.name) return [state, NO_EVENTS] satisfies StepResult
+    const metadata = providerMetadata(state, { itemId: item.id })
    const tools = state.tools[item.id]
      ? state.tools
-      : ToolStream.start(state.tools, item.id, { id: item.call_id, name: item.name })
+      : ToolStream.start(state.tools, item.id, {
+          id: item.call_id,
+          itemId: item.id,
+          name: item.name,
+          providerMetadata: metadata,
+        })
    const result =
      item.arguments === undefined
        ? yield* ToolStream.finish(state.id, tools, item.id)
@@ -913,7 +974,7 @@ const onOutputItemDone = Effect.fn("OpenResponses.onOutputItemDone")(function* (
      const lifecycle = Object.entries(reasoningItem.summaryParts)
        .filter((entry) => entry[1] === "active" || entry[1] === "can-conclude")
        .reduce(
-          (lifecycle, entry) => Lifecycle.reasoningEnd(lifecycle, events, `${item.id}:${entry[0]}`, metadata),
+          (lifecycle, entry) => Lifecycle.reasoningEnd(lifecycle, events, `${item.id}:${entry[0]}`, metadata, item.id),
          state.lifecycle,
        )
      const { [item.id]: _removed, ...reasoningItems } = state.reasoningItems
@@ -921,12 +982,12 @@ const onOutputItemDone = Effect.fn("OpenResponses.onOutputItemDone")(function* (
    }
    if (!state.lifecycle.reasoning.has(item.id)) {
      const lifecycle = Lifecycle.stepStart(state.lifecycle, events)
-      events.push(LLMEvent.reasoningStart({ id: item.id, providerMetadata: metadata }))
-      events.push(LLMEvent.reasoningEnd({ id: item.id, providerMetadata: metadata }))
+      events.push(LLMEvent.reasoningStart({ id: item.id, itemId: item.id, providerMetadata: metadata }))
+      events.push(LLMEvent.reasoningEnd({ id: item.id, itemId: item.id, providerMetadata: metadata }))
      return [{ ...state, lifecycle }, events] satisfies StepResult
    }
    return [
-      { ...state, lifecycle: Lifecycle.reasoningEnd(state.lifecycle, events, item.id, metadata) },
+      { ...state, lifecycle: Lifecycle.reasoningEnd(state.lifecycle, events, item.id, metadata, item.id) },
      events,
    ] satisfies StepResult
  }
@@ -132,7 +132,6 @@ export const bodyFields = {
  stream: Schema.Literal(true),
  stream_options: Schema.optional(Schema.Struct({ include_usage: Schema.Boolean })),
  store: Schema.optional(Schema.Boolean),
-  prompt_cache_key: Schema.optional(Schema.String),
  reasoning_effort: Schema.optional(OpenAIOptions.OpenAIReasoningEffort),
  max_completion_tokens: Schema.optional(Schema.Number),
  max_tokens: Schema.optional(Schema.Number),
@@ -510,7 +509,6 @@ const lowerOptions = (request: LLMRequest) => {
  const options = OpenAIOptions.resolve(request)
  return {
    ...(options.store !== undefined ? { store: options.store } : {}),
-    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
    ...(options.reasoningEffort ? { reasoning_effort: options.reasoningEffort } : {}),
  }
 }
@@ -709,7 +707,9 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
      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))
+      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")
@@ -749,7 +749,8 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
      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)
+        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)
@@ -38,10 +38,14 @@ const OpenAIResponsesToolChoice = Schema.Union([
 const OpenAIResponsesInputItem = Schema.Union([
  Schema.Struct({
    role: Schema.tag("assistant"),
+    id: Schema.optionalKey(Schema.String),
    content: Schema.Array(Schema.Struct({ type: Schema.tag("output_text"), text: Schema.String })),
    phase: Schema.optionalKey(Schema.NullOr(OpenResponses.MessagePhase)),
  }),
  OpenResponses.InputItem,
+  Schema.StructWithRest(Schema.Struct({ type: Schema.String, id: Schema.optionalKey(Schema.String) }), [
+    Schema.Record(Schema.String, Schema.Unknown),
+  ]),
 ])

 const OpenAIResponsesCoreFields = {
@@ -80,6 +84,25 @@ const extension = {
      mime_type: media.mime,
    }
  },
+  lowerProviderItem: (part, providerMetadataKey, store) => {
+    const metadata = part.providerMetadata?.[providerMetadataKey]
+    if (!ProviderShared.isRecord(metadata) || !ProviderShared.isRecord(metadata.item)) return undefined
+    if (typeof metadata.item.type !== "string") return undefined
+    const id = typeof metadata.item.id === "string" ? metadata.item.id : undefined
+    // The public API requires stored state to replay image-generation items. In
+    // stateless mode, lower the generated file through the existing user-image fallback.
+    if (metadata.item.type === "image_generation_call" && store === false) return undefined
+    if (metadata.item.type === "image_generation_call")
+      return {
+        type: metadata.item.type,
+        ...(id === undefined ? {} : { id }),
+        ...(typeof metadata.item.status === "string" ? { status: metadata.item.status } : {}),
+        ...(typeof metadata.item.revised_prompt === "string" ? { revised_prompt: metadata.item.revised_prompt } : {}),
+        ...(typeof metadata.item.result === "string" ? { result: metadata.item.result } : {}),
+      }
+    const item: Record<string, unknown> & { type: string } = { ...metadata.item, type: metadata.item.type }
+    return item
+  },
 } satisfies OpenResponses.Extension

 const nativeImageToolInput = (tool: ToolDefinition) => {
@@ -195,23 +218,29 @@ const onHostedToolDone = Effect.fn("OpenAIResponses.onHostedToolDone")(function*
  item: HostedToolItem,
 ) {
  const tool = HOSTED_TOOLS[item.type]
-  const providerMetadata = OpenResponses.providerMetadata(state, { itemId: item.id })
+  const callMetadata = OpenResponses.providerMetadata(state, { itemId: item.id })
+  const resultMetadata = OpenResponses.providerMetadata(
+    state,
+    item.type === "image_generation_call" ? { itemId: item.id } : { itemId: item.id, item },
+  )
  const events: LLMEvent[] = []
  const lifecycle = Lifecycle.stepStart(state.lifecycle, events)
  events.push(
    LLMEvent.toolCall({
      id: item.id,
+      itemId: item.id,
      name: tool.name,
      input: tool.input(item),
      providerExecuted: true,
-      providerMetadata,
+      providerMetadata: callMetadata,
    }),
    LLMEvent.toolResult({
      id: item.id,
+      itemId: item.id,
      name: tool.name,
      result: yield* hostedToolResult(item),
      providerExecuted: true,
-      providerMetadata,
+      providerMetadata: resultMetadata,
    }),
  )
  return [{ ...state, lifecycle }, events] satisfies OpenResponses.StepResult
@@ -1,4 +1,10 @@
-import { LLMEvent, type FinishReasonDetails, type ProviderMetadata, type Usage } from "../../schema"
+import {
+  LLMEvent,
+  type FinishReasonDetails,
+  type ProviderMetadata,
+  type ResponseItemID,
+  type Usage,
+} from "../../schema"

 export interface State {
  readonly stepStarted: boolean
@@ -14,16 +20,29 @@ export const stepStart = (state: State, events: LLMEvent[]): State => {
  return { ...state, stepStarted: true }
 }

-export const textStart = (state: State, events: LLMEvent[], id: string, providerMetadata?: ProviderMetadata): State => {
+export const textStart = (
+  state: State,
+  events: LLMEvent[],
+  id: string,
+  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
+): State => {
  if (state.text.has(id)) return state
  const stepped = stepStart(state, events)
-  events.push(LLMEvent.textStart({ id, providerMetadata }))
+  events.push(LLMEvent.textStart({ id, ...(itemId === undefined ? {} : { itemId }), providerMetadata }))
  return { ...stepped, text: new Set([...stepped.text, id]) }
 }

-export const textDelta = (state: State, events: LLMEvent[], id: string, text: string): State => {
-  const started = textStart(state, events, id)
-  events.push(LLMEvent.textDelta({ id, text }))
+export const textDelta = (
+  state: State,
+  events: LLMEvent[],
+  id: string,
+  text: string,
+  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
+): State => {
+  const started = textStart(state, events, id, providerMetadata, itemId)
+  events.push(LLMEvent.textDelta({ id, ...(itemId === undefined ? {} : { itemId }), text, providerMetadata }))
  return started
 }

@@ -32,10 +51,11 @@ export const reasoningStart = (
  events: LLMEvent[],
  id: string,
  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
 ): State => {
  if (state.reasoning.has(id)) return state
  const stepped = stepStart(state, events)
-  events.push(LLMEvent.reasoningStart({ id, providerMetadata }))
+  events.push(LLMEvent.reasoningStart({ id, ...(itemId === undefined ? {} : { itemId }), providerMetadata }))
  return { ...stepped, reasoning: new Set([...stepped.reasoning, id]) }
 }

@@ -45,9 +65,10 @@ export const reasoningDelta = (
  id: string,
  text: string,
  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
 ): State => {
-  const started = reasoningStart(state, events, id, providerMetadata)
-  events.push(LLMEvent.reasoningDelta({ id, text, providerMetadata }))
+  const started = reasoningStart(state, events, id, providerMetadata, itemId)
+  events.push(LLMEvent.reasoningDelta({ id, ...(itemId === undefined ? {} : { itemId }), text, providerMetadata }))
  return started
 }

@@ -56,19 +77,26 @@ export const reasoningEnd = (
  events: LLMEvent[],
  id: string,
  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
 ): State => {
  if (!state.reasoning.has(id)) return state
  const stepped = stepStart(state, events)
-  events.push(LLMEvent.reasoningEnd({ id, providerMetadata }))
+  events.push(LLMEvent.reasoningEnd({ id, ...(itemId === undefined ? {} : { itemId }), providerMetadata }))
  const reasoning = new Set(stepped.reasoning)
  reasoning.delete(id)
  return { ...stepped, reasoning }
 }

-export const textEnd = (state: State, events: LLMEvent[], id: string, providerMetadata?: ProviderMetadata): State => {
+export const textEnd = (
+  state: State,
+  events: LLMEvent[],
+  id: string,
+  providerMetadata?: ProviderMetadata,
+  itemId?: ResponseItemID,
+): State => {
  if (!state.text.has(id)) return state
  const stepped = stepStart(state, events)
-  events.push(LLMEvent.textEnd({ id, providerMetadata }))
+  events.push(LLMEvent.textEnd({ id, ...(itemId === undefined ? {} : { itemId }), providerMetadata }))
  const text = new Set(stepped.text)
  text.delete(id)
  return { ...stepped, text }
@@ -33,6 +33,7 @@ export const ServiceTierSchema = Schema.Literals(ServiceTiers)
 export interface Resolved {
  readonly instructions?: string
  readonly store?: boolean
+  readonly promptCacheKey?: string
  readonly reasoningEffort?: string
  readonly reasoningSummary?: "auto" | "concise" | "detailed"
  readonly include?: ReadonlyArray<ResponseIncludable>
@@ -49,6 +50,7 @@ export const resolve = (request: LLMRequest): Resolved => {
  return {
    instructions: typeof input?.instructions === "string" ? input.instructions : undefined,
    store: typeof input?.store === "boolean" ? input.store : undefined,
+    promptCacheKey: typeof input?.promptCacheKey === "string" ? input.promptCacheKey : undefined,
    reasoningEffort: typeof input?.reasoningEffort === "string" ? input.reasoningEffort : undefined,
    reasoningSummary:
      reasoningSummary === "auto" || reasoningSummary === "concise" || reasoningSummary === "detailed"
@@ -1,5 +1,12 @@
 import { Effect } from "effect"
-import { AIError, LLMEvent, type ProviderMetadata, type ToolCall, type ToolInputError } from "../../schema"
+import {
+  AIError,
+  LLMEvent,
+  type ProviderMetadata,
+  type ResponseItemID,
+  type ToolCall,
+  type ToolInputError,
+} from "../../schema"
 import { eventError, parseToolInput, type ToolAccumulator } from "../shared"

 type StreamKey = string | number
@@ -10,6 +17,7 @@ type StreamKey = string | number
 * so far, not the parsed object.
 */
 export interface PendingTool extends ToolAccumulator {
+  readonly itemId?: ResponseItemID
  readonly providerExecuted?: boolean
  readonly providerMetadata?: ProviderMetadata
 }
@@ -52,6 +60,7 @@ const withoutTool = <K extends StreamKey>(tools: State<K>, key: K): State<K> =>
 const inputStart = (tool: PendingTool) =>
  LLMEvent.toolInputStart({
    id: tool.id,
+    ...(tool.itemId === undefined ? {} : { itemId: tool.itemId }),
    name: tool.name,
    providerExecuted: tool.providerExecuted ? true : undefined,
    providerMetadata: tool.providerMetadata,
@@ -60,6 +69,7 @@ const inputStart = (tool: PendingTool) =>
 const inputDelta = (tool: PendingTool, text: string) =>
  LLMEvent.toolInputDelta({
    id: tool.id,
+    ...(tool.itemId === undefined ? {} : { itemId: tool.itemId }),
    name: tool.name,
    text,
  })
@@ -70,6 +80,7 @@ const toolCall = (route: string, tool: PendingTool, inputOverride?: string) => {
    Effect.map((input): ToolCall | ToolInputError =>
      LLMEvent.toolCall({
        id: tool.id,
+        ...(tool.itemId === undefined ? {} : { itemId: tool.itemId }),
        name: tool.name,
        input,
        providerExecuted: tool.providerExecuted ? true : undefined,
@@ -82,6 +93,7 @@ const toolCall = (route: string, tool: PendingTool, inputOverride?: string) => {
        : Effect.succeed(
            LLMEvent.toolInputError({
              id: tool.id,
+              ...(tool.itemId === undefined ? {} : { itemId: tool.itemId }),
              name: tool.name,
              raw,
            }),
@@ -93,7 +105,15 @@ const toolCall = (route: string, tool: PendingTool, inputOverride?: string) => {
 const finishEvents = (tool: PendingTool, event: ToolCall | ToolInputError): ReadonlyArray<LLMEvent> =>
  event.type === "tool-input-error"
    ? [event]
-    : [LLMEvent.toolInputEnd({ id: tool.id, name: tool.name, providerMetadata: tool.providerMetadata }), event]
+    : [
+        LLMEvent.toolInputEnd({
+          id: tool.id,
+          ...(tool.itemId === undefined ? {} : { itemId: tool.itemId }),
+          name: tool.name,
+          providerMetadata: tool.providerMetadata,
+        }),
+        event,
+      ]

 /** Store the updated tool and produce the optional public delta event. */
 const appendTool = <K extends StreamKey>(
@@ -148,6 +168,7 @@ export const appendOrStart = <K extends StreamKey>(
    id,
    name,
    input: `${current?.input ?? ""}${delta.text}`,
+    itemId: current?.itemId,
    providerExecuted: current?.providerExecuted,
    providerMetadata: current?.providerMetadata,
  }
@@ -5,6 +5,7 @@ export interface OpenResponsesOptionsInput {
  readonly [key: string]: unknown
  readonly instructions?: string
  readonly store?: boolean
+  readonly promptCacheKey?: string
  readonly reasoningEffort?: ReasoningEffort
  readonly reasoningSummary?: "auto" | "concise" | "detailed"
  readonly include?: ReadonlyArray<ResponseIncludable>
@@ -17,6 +17,7 @@ const openAIProviderOptions = (options: OpenAIOptionsInput | undefined): Provide
  const openai = Object.fromEntries(
    definedEntries({
      store: options?.store,
+      promptCacheKey: options?.promptCacheKey,
      reasoningEffort: options?.reasoningEffort,
      reasoningSummary: options?.reasoningSummary,
      include: options?.include,
@@ -55,6 +55,7 @@ export interface OpenRouterOptions {
  readonly debug?: Readonly<{ echo_upstream_body?: boolean }>
  readonly models?: ReadonlyArray<string>
  readonly plugins?: ReadonlyArray<OpenRouterPlugin>
+  readonly promptCacheKey?: string
  readonly provider?: OpenRouterProviderRouting
  readonly reasoning?: Readonly<{
    enabled?: boolean
@@ -121,7 +122,6 @@ export const protocol = Protocol.make({
            ...body,
            messages,
            ...bodyOptions(request.providerOptions?.openrouter),
-            ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
          } as OpenRouterBody
        }),
      ),
@@ -161,6 +161,7 @@ const bodyOptions = (input: unknown) => {
    ...(isRecord(debug) ? { debug } : {}),
    ...(typeof user === "string" ? { user } : {}),
    ...(isRecord(reasoning) ? { reasoning } : {}),
+    ...(typeof promptCacheKey === "string" ? { prompt_cache_key: promptCacheKey } : {}),
  }
 }

@@ -47,8 +47,6 @@ const chatRoute = Route.make({
  protocol: OpenAIChat.protocol,
  endpoint: Endpoint.path("/chat/completions", { baseURL: OpenAICompatibleProfiles.profiles.xai.baseURL }),
  transport: OpenAICompatibleChat.route.transport,
-  headers: ({ request }): Record<string, string> =>
-    request.promptCacheKey ? { "x-grok-conv-id": request.promptCacheKey } : {},
 })

 export const routes = [responsesRoute, chatRoute]
@@ -255,7 +255,13 @@ const requireTerminalEvent = (route: string) => (events: Stream.Stream<LLMEvent,
        if (LLMEvent.is.finish(event) || LLMEvent.is.providerError(event)) terminal = true
        return Effect.succeed(event)
      }),
-      Stream.onEnd(Effect.suspend(() => (terminal ? Effect.void : Effect.fail(incompleteStreamError(route))))),
+      Stream.onEnd(
+        Effect.suspend(() =>
+          terminal
+            ? Effect.void
+            : Effect.fail(incompleteStreamError(route)),
+        ),
+      ),
    )
  })

@@ -1,4 +1,4 @@
-import { Cause, Context, Effect, Layer, Option, Schema } from "effect"
+import { Cause, Context, Effect, Layer } from "effect"
 import {
  FetchHttpClient,
  Headers,
@@ -198,20 +198,8 @@ const responseBody = (body: string | void, request: HttpClientRequest.HttpClient
  return { body: redacted.slice(0, BODY_LIMIT), bodyTruncated: true }
 }

-const decodeProviderBody = Schema.decodeUnknownOption(
-  Schema.fromJsonString(
-    Schema.Struct({
-      message: Schema.optionalKey(Schema.String),
-      error: Schema.optionalKey(Schema.Struct({ message: Schema.optionalKey(Schema.String) })),
-    }),
-  ),
-)
-
 const providerMessage = (status: number, body: { readonly body?: string }) => {
-  if (body.body && body.body.length <= 500) {
-    const decoded = Option.getOrUndefined(decodeProviderBody(body.body))
-    return `Provider request failed with HTTP ${status}: ${decoded?.error?.message ?? decoded?.message ?? body.body}`
-  }
+  if (body.body && body.body.length <= 500) return `Provider request failed with HTTP ${status}: ${body.body}`
  return `Provider request failed with HTTP ${status}`
 }

@@ -1,5 +1,5 @@
 import { Schema } from "effect"
-import { ContentBlockID, FinishReason, ProviderMetadata, ToolCallID } from "./ids"
+import { ContentBlockID, FinishReason, ProviderMetadata, ResponseItemID, ToolCallID } from "./ids"
 import { Message, ToolCallPart, ToolOutput, ToolResultPart, ToolResultValue, type ContentPart } from "./messages"
 import { ProviderFailureClassification } from "./errors"

@@ -84,6 +84,7 @@ export type StepStart = Schema.Schema.Type<typeof StepStart>
 export const TextStart = Schema.Struct({
  type: Schema.tag("text-start"),
  id: ContentBlockID,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.TextStart" })
 export type TextStart = Schema.Schema.Type<typeof TextStart>
@@ -92,6 +93,7 @@ export const TextDelta = Schema.Struct({
  type: Schema.tag("text-delta"),
  id: ContentBlockID,
  text: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.TextDelta" })
 export type TextDelta = Schema.Schema.Type<typeof TextDelta>
@@ -99,6 +101,7 @@ export type TextDelta = Schema.Schema.Type<typeof TextDelta>
 export const TextEnd = Schema.Struct({
  type: Schema.tag("text-end"),
  id: ContentBlockID,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.TextEnd" })
 export type TextEnd = Schema.Schema.Type<typeof TextEnd>
@@ -106,6 +109,7 @@ export type TextEnd = Schema.Schema.Type<typeof TextEnd>
 export const ReasoningStart = Schema.Struct({
  type: Schema.tag("reasoning-start"),
  id: ContentBlockID,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.ReasoningStart" })
 export type ReasoningStart = Schema.Schema.Type<typeof ReasoningStart>
@@ -114,6 +118,7 @@ export const ReasoningDelta = Schema.Struct({
  type: Schema.tag("reasoning-delta"),
  id: ContentBlockID,
  text: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.ReasoningDelta" })
 export type ReasoningDelta = Schema.Schema.Type<typeof ReasoningDelta>
@@ -121,6 +126,7 @@ export type ReasoningDelta = Schema.Schema.Type<typeof ReasoningDelta>
 export const ReasoningEnd = Schema.Struct({
  type: Schema.tag("reasoning-end"),
  id: ContentBlockID,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.ReasoningEnd" })
 export type ReasoningEnd = Schema.Schema.Type<typeof ReasoningEnd>
@@ -129,6 +135,7 @@ export const ToolInputStart = Schema.Struct({
  type: Schema.tag("tool-input-start"),
  id: ToolCallID,
  name: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  providerExecuted: Schema.optional(Schema.Boolean),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.ToolInputStart" })
@@ -137,6 +144,7 @@ export type ToolInputStart = Schema.Schema.Type<typeof ToolInputStart>
 export const ToolInputDelta = Schema.Struct({
  type: Schema.tag("tool-input-delta"),
  id: ToolCallID,
+  itemId: Schema.optional(ResponseItemID),
  name: Schema.String,
  text: Schema.String,
 }).annotate({ identifier: "LLM.Event.ToolInputDelta" })
@@ -146,6 +154,7 @@ export const ToolInputEnd = Schema.Struct({
  type: Schema.tag("tool-input-end"),
  id: ToolCallID,
  name: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.ToolInputEnd" })
 export type ToolInputEnd = Schema.Schema.Type<typeof ToolInputEnd>
@@ -154,6 +163,7 @@ export type ToolInputEnd = Schema.Schema.Type<typeof ToolInputEnd>
 export const ToolInputError = Schema.Struct({
  type: Schema.tag("tool-input-error"),
  id: ToolCallID,
+  itemId: Schema.optional(ResponseItemID),
  name: Schema.String,
  raw: Schema.String,
 }).annotate({ identifier: "LLM.Event.ToolInputError" })
@@ -162,6 +172,7 @@ export type ToolInputError = Schema.Schema.Type<typeof ToolInputError>
 export const ToolCall = Schema.Struct({
  type: Schema.tag("tool-call"),
  id: ToolCallID,
+  itemId: Schema.optional(ResponseItemID),
  name: Schema.String,
  input: Schema.Unknown,
  providerExecuted: Schema.optional(Schema.Boolean),
@@ -172,6 +183,7 @@ export type ToolCall = Schema.Schema.Type<typeof ToolCall>
 export const ToolResult = Schema.Struct({
  type: Schema.tag("tool-result"),
  id: ToolCallID,
+  itemId: Schema.optional(ResponseItemID),
  name: Schema.String,
  result: ToolResultValue,
  output: Schema.optional(ToolOutput),
@@ -183,6 +195,7 @@ export type ToolResult = Schema.Schema.Type<typeof ToolResult>
 export const ToolError = Schema.Struct({
  type: Schema.tag("tool-error"),
  id: ToolCallID,
+  itemId: Schema.optional(ResponseItemID),
  name: Schema.String,
  message: Schema.String,
  error: Schema.optional(Schema.Defect()),
@@ -334,12 +347,14 @@ const responseUsage = (events: ReadonlyArray<LLMEvent>) =>
 interface ContentAssembly {
  readonly contentIndex: number
  readonly text: string
+  readonly itemId?: ResponseItemID
  readonly providerMetadata?: ProviderMetadata
 }

 interface ToolInputAssembly {
  readonly name: string
  readonly text: string
+  readonly itemId?: ResponseItemID
  readonly providerMetadata?: ProviderMetadata
 }

@@ -385,11 +400,27 @@ const appendEvent = (state: ResponseState, event: LLMEvent): ResponseState => {
  }
 }

-const textContent = (text: string, providerMetadata: ProviderMetadata | undefined): ContentPart =>
-  providerMetadata === undefined ? { type: "text", text } : { type: "text", text, providerMetadata }
+const textContent = (
+  text: string,
+  itemId: ResponseItemID | undefined,
+  providerMetadata: ProviderMetadata | undefined,
+): ContentPart => ({
+  type: "text",
+  text,
+  ...(itemId === undefined ? {} : { itemId }),
+  ...(providerMetadata === undefined ? {} : { providerMetadata }),
+})

-const reasoningContent = (text: string, providerMetadata: ProviderMetadata | undefined): ContentPart =>
-  providerMetadata === undefined ? { type: "reasoning", text } : { type: "reasoning", text, providerMetadata }
+const reasoningContent = (
+  text: string,
+  itemId: ResponseItemID | undefined,
+  providerMetadata: ProviderMetadata | undefined,
+): ContentPart => ({
+  type: "reasoning",
+  text,
+  ...(itemId === undefined ? {} : { itemId }),
+  ...(providerMetadata === undefined ? {} : { providerMetadata }),
+})

 const contentWith = (state: ResponseState, content: ReadonlyArray<ContentPart>): ResponseState => ({
  ...state,
@@ -404,26 +435,32 @@ const replaceContent = (state: ResponseState, index: number, part: ContentPart)
    state.message.content.map((item, itemIndex) => (itemIndex === index ? part : item)),
  )

-const ensureText = (state: ResponseState, id: string, providerMetadata?: ProviderMetadata): ResponseState => {
+const ensureText = (
+  state: ResponseState,
+  id: string,
+  itemId?: ResponseItemID,
+  providerMetadata?: ProviderMetadata,
+): ResponseState => {
  if (state.textParts[id]) return state
  return {
-    ...appendContent(state, textContent("", providerMetadata)),
+    ...appendContent(state, textContent("", itemId, providerMetadata)),
    textParts: {
      ...state.textParts,
-      [id]: { contentIndex: state.message.content.length, text: "", providerMetadata },
+      [id]: { contentIndex: state.message.content.length, text: "", itemId, providerMetadata },
    },
  }
 }

 const reduceTextDelta = (state: ResponseState, event: TextDelta): ResponseState => {
-  const started = ensureText(state, event.id, event.providerMetadata)
+  const started = ensureText(state, event.id, event.itemId, event.providerMetadata)
  const current = started.textParts[event.id]
  if (!current) return started
  const text = current.text + event.text
+  const itemId = event.itemId ?? current.itemId
  const providerMetadata = event.providerMetadata ?? current.providerMetadata
  return {
-    ...replaceContent(started, current.contentIndex, textContent(text, providerMetadata)),
-    textParts: { ...started.textParts, [event.id]: { ...current, text, providerMetadata } },
+    ...replaceContent(started, current.contentIndex, textContent(text, itemId, providerMetadata)),
+    textParts: { ...started.textParts, [event.id]: { ...current, text, itemId, providerMetadata } },
  }
 }

@@ -431,32 +468,39 @@ const reduceTextEnd = (state: ResponseState, event: TextEnd): ResponseState => {
  const current = state.textParts[event.id]
  if (!current) return state
  const providerMetadata = event.providerMetadata ?? current.providerMetadata
+  const itemId = event.itemId ?? current.itemId
  return {
-    ...replaceContent(state, current.contentIndex, textContent(current.text, providerMetadata)),
-    textParts: { ...state.textParts, [event.id]: { ...current, providerMetadata } },
+    ...replaceContent(state, current.contentIndex, textContent(current.text, itemId, providerMetadata)),
+    textParts: { ...state.textParts, [event.id]: { ...current, itemId, providerMetadata } },
  }
 }

-const ensureReasoning = (state: ResponseState, id: string, providerMetadata?: ProviderMetadata): ResponseState => {
+const ensureReasoning = (
+  state: ResponseState,
+  id: string,
+  itemId?: ResponseItemID,
+  providerMetadata?: ProviderMetadata,
+): ResponseState => {
  if (state.reasoningParts[id]) return state
  return {
-    ...appendContent(state, reasoningContent("", providerMetadata)),
+    ...appendContent(state, reasoningContent("", itemId, providerMetadata)),
    reasoningParts: {
      ...state.reasoningParts,
-      [id]: { contentIndex: state.message.content.length, text: "", providerMetadata },
+      [id]: { contentIndex: state.message.content.length, text: "", itemId, providerMetadata },
    },
  }
 }

 const reduceReasoningDelta = (state: ResponseState, event: ReasoningDelta): ResponseState => {
-  const started = ensureReasoning(state, event.id, event.providerMetadata)
+  const started = ensureReasoning(state, event.id, event.itemId, event.providerMetadata)
  const current = started.reasoningParts[event.id]
  if (!current) return started
  const text = current.text + event.text
+  const itemId = event.itemId ?? current.itemId
  const providerMetadata = event.providerMetadata ?? current.providerMetadata
  return {
-    ...replaceContent(started, current.contentIndex, reasoningContent(text, providerMetadata)),
-    reasoningParts: { ...started.reasoningParts, [event.id]: { ...current, text, providerMetadata } },
+    ...replaceContent(started, current.contentIndex, reasoningContent(text, itemId, providerMetadata)),
+    reasoningParts: { ...started.reasoningParts, [event.id]: { ...current, text, itemId, providerMetadata } },
  }
 }

@@ -464,9 +508,10 @@ const reduceReasoningEnd = (state: ResponseState, event: ReasoningEnd): Response
  const current = state.reasoningParts[event.id]
  if (!current) return state
  const providerMetadata = event.providerMetadata ?? current.providerMetadata
+  const itemId = event.itemId ?? current.itemId
  return {
-    ...replaceContent(state, current.contentIndex, reasoningContent(current.text, providerMetadata)),
-    reasoningParts: { ...state.reasoningParts, [event.id]: { ...current, providerMetadata } },
+    ...replaceContent(state, current.contentIndex, reasoningContent(current.text, itemId, providerMetadata)),
+    reasoningParts: { ...state.reasoningParts, [event.id]: { ...current, itemId, providerMetadata } },
  }
 }

@@ -474,7 +519,7 @@ const reduceToolInputStart = (state: ResponseState, event: ToolInputStart): Resp
  ...state,
  toolInputs: {
    ...state.toolInputs,
-    [event.id]: { name: event.name, text: "", providerMetadata: event.providerMetadata },
+    [event.id]: { name: event.name, text: "", itemId: event.itemId, providerMetadata: event.providerMetadata },
  },
 })

@@ -495,6 +540,7 @@ const reduceToolInputEnd = (state: ResponseState, event: ToolInputEnd): Response
      [event.id]: {
        ...current,
        name: event.name,
+        itemId: event.itemId ?? current.itemId,
        providerMetadata: event.providerMetadata ?? current.providerMetadata,
      },
    },
@@ -504,6 +550,7 @@ const reduceToolInputEnd = (state: ResponseState, event: ToolInputEnd): Response
 const toolCallContent = (event: ToolCall): ContentPart =>
  ToolCallPart.make({
    id: event.id,
+    ...(event.itemId === undefined ? {} : { itemId: event.itemId }),
    name: event.name,
    input: event.input,
    ...(event.providerExecuted === undefined ? {} : { providerExecuted: event.providerExecuted }),
@@ -513,6 +560,7 @@ const toolCallContent = (event: ToolCall): ContentPart =>
 const toolResultContent = (event: ToolResult): ContentPart =>
  ToolResultPart.make({
    id: event.id,
+    ...(event.itemId === undefined ? {} : { itemId: event.itemId }),
    name: event.name,
    result: event.result,
    ...(event.providerExecuted === undefined ? {} : { providerExecuted: event.providerExecuted }),
@@ -528,13 +576,13 @@ const reduceResponseState = (state: ResponseState, event: LLMEvent): ResponseSta
  const next = appendEvent(state, event)
  switch (event.type) {
    case "text-start":
-      return ensureText(next, event.id, event.providerMetadata)
+      return ensureText(next, event.id, event.itemId, event.providerMetadata)
    case "text-delta":
      return reduceTextDelta(next, event)
    case "text-end":
      return reduceTextEnd(next, event)
    case "reasoning-start":
-      return ensureReasoning(next, event.id, event.providerMetadata)
+      return ensureReasoning(next, event.id, event.itemId, event.providerMetadata)
    case "reasoning-delta":
      return reduceReasoningDelta(next, event)
    case "reasoning-end":
@@ -21,6 +21,9 @@ export type ProviderID = typeof ProviderID.Type
 export const ResponseID = Schema.String
 export type ResponseID = Schema.Schema.Type<typeof ResponseID>

+export const ResponseItemID = Schema.String
+export type ResponseItemID = Schema.Schema.Type<typeof ResponseItemID>
+
 export const ContentBlockID = Schema.String
 export type ContentBlockID = Schema.Schema.Type<typeof ContentBlockID>

@@ -1,6 +1,6 @@
 import { Schema } from "effect"
 import { Tool } from "@opencode-ai/schema/tool"
-import { JsonSchema, MessageRole, ProviderMetadata } from "./ids"
+import { JsonSchema, MessageRole, ProviderMetadata, ResponseItemID } from "./ids"
 import { CacheHint, CachePolicy, GenerationOptions, HttpOptions, LanguageModelSchema, ProviderOptions } from "./options"
 import { isRecord } from "../utils/record"

@@ -25,6 +25,7 @@ export const SystemPart = Object.assign(systemPartSchema, {
 export const TextPart = Schema.Struct({
  type: Schema.Literal("text"),
  text: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  cache: Schema.optional(CacheHint),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
  providerMetadata: Schema.optional(ProviderMetadata),
@@ -40,39 +41,40 @@ export const MediaPart = Schema.Struct({
 }).annotate({ identifier: "LLM.Content.Media" })
 export type MediaPart = Schema.Schema.Type<typeof MediaPart>

-const toolResultValueSchema = Schema.Union([
-  Schema.Struct({
-    type: Schema.Literal("json"),
-    value: Schema.Unknown,
-  }),
-  Schema.Struct({
-    type: Schema.Literal("text"),
-    value: Schema.Unknown,
-  }),
-  Schema.Struct({
-    type: Schema.Literal("error"),
-    value: Schema.Unknown,
-  }),
-  Schema.Struct({
-    type: Schema.Literal("content"),
-    value: Schema.Array(Tool.Content),
-  }),
-]).annotate({ identifier: "LLM.ToolResult" })
-export type ToolResultValue = Schema.Schema.Type<typeof toolResultValueSchema>
-
 const isToolResultValue = (value: unknown): value is ToolResultValue =>
  isRecord(value) &&
  (value.type === "text" || value.type === "json" || value.type === "error" || value.type === "content") &&
  "value" in value

-export const ToolResultValue = Object.assign(toolResultValueSchema, {
-  is: isToolResultValue,
-  make: (value: unknown, type: ToolResultValue["type"] = "json"): ToolResultValue => {
-    if (isToolResultValue(value)) return value
-    if (type === "content") return { type, value: Array.isArray(value) ? value : [] }
-    return { type, value }
+export const ToolResultValue = Object.assign(
+  Schema.Union([
+    Schema.Struct({
+      type: Schema.Literal("json"),
+      value: Schema.Unknown,
+    }),
+    Schema.Struct({
+      type: Schema.Literal("text"),
+      value: Schema.Unknown,
+    }),
+    Schema.Struct({
+      type: Schema.Literal("error"),
+      value: Schema.Unknown,
+    }),
+    Schema.Struct({
+      type: Schema.Literal("content"),
+      value: Schema.Array(Tool.Content),
+    }),
+  ]).annotate({ identifier: "LLM.ToolResult" }),
+  {
+    is: isToolResultValue,
+    make: (value: unknown, type: ToolResultValue["type"] = "json"): ToolResultValue => {
+      if (isToolResultValue(value)) return value
+      if (type === "content") return { type, value: Array.isArray(value) ? value : [] }
+      return { type, value }
+    },
  },
-})
+)
+export type ToolResultValue = Schema.Schema.Type<typeof ToolResultValue>

 export interface ToolOutput {
  readonly structured: unknown
@@ -120,6 +122,7 @@ export const ToolCallPart = Object.assign(
  Schema.Struct({
    type: Schema.Literal("tool-call"),
    id: Schema.String,
+    itemId: Schema.optional(ResponseItemID),
    name: Schema.String,
    input: Schema.Unknown,
    providerExecuted: Schema.optional(Schema.Boolean),
@@ -137,6 +140,7 @@ export const ToolResultPart = Object.assign(
  Schema.Struct({
    type: Schema.Literal("tool-result"),
    id: Schema.String,
+    itemId: Schema.optional(ResponseItemID),
    name: Schema.String,
    result: ToolResultValue,
    providerExecuted: Schema.optional(Schema.Boolean),
@@ -153,6 +157,7 @@ export const ToolResultPart = Object.assign(
    ): ToolResultPart => ({
      type: "tool-result",
      id: input.id,
+      ...(input.itemId === undefined ? {} : { itemId: input.itemId }),
      name: input.name,
      result: ToolResultValue.make(input.result, input.resultType),
      providerExecuted: input.providerExecuted,
@@ -167,6 +172,7 @@ export type ToolResultPart = Schema.Schema.Type<typeof ToolResultPart>
 export const ReasoningPart = Schema.Struct({
  type: Schema.Literal("reasoning"),
  text: Schema.String,
+  itemId: Schema.optional(ResponseItemID),
  encrypted: Schema.optional(Schema.String),
  cache: Schema.optional(CacheHint),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
@@ -180,7 +186,7 @@ export const ContentPart = Schema.Union([TextPart, MediaPart, ToolCallPart, Tool
 export type ContentPart = Schema.Schema.Type<typeof ContentPart>

 export class Message extends Schema.Class<Message>("LLM.Message")({
-  id: Schema.optional(Schema.String),
+  id: Schema.optional(ResponseItemID),
  role: MessageRole,
  content: Schema.Array(ContentPart),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
@@ -271,8 +277,6 @@ export class LLMRequest extends Schema.Class<LLMRequest>("LLM.Request")({
  providerOptions: Schema.optional(ProviderOptions),
  http: Schema.optional(HttpOptions),
  cache: Schema.optional(CachePolicy),
-  // Stable cache affinity for protocols that support provider-managed prompt caching.
-  promptCacheKey: Schema.optional(Schema.String),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
 }) {}

@@ -290,7 +294,6 @@ export namespace LLMRequest {
    providerOptions: request.providerOptions,
    http: request.http,
    cache: request.cache,
-    promptCacheKey: request.promptCacheKey,
    metadata: request.metadata,
  })

@@ -79,7 +79,7 @@ const result = (call: ToolCallPart, value: ToolResultValueType | ToolSettlement,
              id: call.id,
              name: call.name,
              result: settlement.result,
-              providerMetadata: call.providerMetadata,
+              ...(call.providerMetadata === undefined ? {} : { providerMetadata: call.providerMetadata }),
            }),
          ]
        : [
@@ -88,7 +88,7 @@ const result = (call: ToolCallPart, value: ToolResultValueType | ToolSettlement,
              name: call.name,
              result: settlement.result,
              output: settlement.output,
-              providerMetadata: call.providerMetadata,
+              ...(call.providerMetadata === undefined ? {} : { providerMetadata: call.providerMetadata }),
            }),
          ],
  }
@@ -1,6 +1,10 @@
 import { Effect, JsonSchema, Schema } from "effect"
 import { Tool } from "@opencode-ai/schema/tool"
-import type { ToolCallPart, ToolDefinition as ToolDefinitionClass, ToolOutput as ToolOutputType } from "./schema"
+import type {
+  ToolCallPart,
+  ToolDefinition as ToolDefinitionClass,
+  ToolOutput as ToolOutputType,
+} from "./schema"
 import { ToolDefinition, ToolFailure, ToolOutput } from "./schema"

 /**
@@ -240,7 +244,8 @@ const project = (
 ): ToolOutputType =>
  ToolOutput.make(
    toStructuredOutput?.(output) ?? output,
-    toModelOutput?.({ id, parameters, output }) ?? (typeof output === "string" ? [{ type: "text", text: output }] : []),
+    toModelOutput?.({ id, parameters, output }) ??
+      (typeof output === "string" ? [{ type: "text", text: output }] : []),
  )

 export { ToolFailure }
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:anthropic-messages-cache", "provider:anthropic", "protocol:anthropic-messages", "cache", "tool"],
+    "tags": [
+      "prefix:anthropic-messages-cache",
+      "provider:anthropic",
+      "protocol:anthropic-messages",
+      "cache",
+      "tool"
+    ],
    "name": "anthropic-messages-cache/keeps-a-long-tool-turn-inside-the-cache-lookback",
    "recordedAt": "2026-07-24T16:22:29.494Z"
  },
@@ -1,7 +1,12 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:bedrock-converse-cache", "provider:amazon-bedrock", "protocol:bedrock-converse", "cache"],
+    "tags": [
+      "prefix:bedrock-converse-cache",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "cache"
+    ],
    "name": "bedrock-converse-cache/writes-then-reads-cachepoint-on-identical-second-call",
    "recordedAt": "2026-07-23T02:29:10.955Z"
  },
@@ -1,7 +1,11 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:google-images", "provider:google", "protocol:google-images"],
+    "tags": [
+      "prefix:google-images",
+      "provider:google",
+      "protocol:google-images"
+    ],
    "name": "google-images/generates-an-image",
    "recordedAt": "2026-07-19T16:05:51.868Z"
  },
@@ -1,7 +1,11 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:openai-images", "provider:openai", "protocol:openai-images"],
+    "tags": [
+      "prefix:openai-images",
+      "provider:openai",
+      "protocol:openai-images"
+    ],
    "name": "openai-images/generates-an-image",
    "recordedAt": "2026-07-19T14:41:43.188Z"
  },
@@ -2,7 +2,12 @@
  "version": 1,
  "metadata": {
    "model": "anthropic/claude-sonnet-4.6",
-    "tags": ["prefix:openai-compatible-chat", "provider:openrouter", "protocol:openai-chat", "reasoning"],
+    "tags": [
+      "prefix:openai-compatible-chat",
+      "provider:openrouter",
+      "protocol:openai-chat",
+      "reasoning"
+    ],
    "name": "openrouter-reasoning",
    "recordedAt": "2026-07-18T11:28:39.267Z"
  },
@@ -1,7 +1,14 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:anthropic", "protocol:anthropic-messages", "tool", "tool-result"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:anthropic",
+      "protocol:anthropic-messages",
+      "tool",
+      "tool-result"
+    ],
    "name": "pdf/anthropic-tool-result",
    "recordedAt": "2026-07-22T18:15:39.002Z"
  },
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:anthropic", "protocol:anthropic-messages", "user-input"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:anthropic",
+      "protocol:anthropic-messages",
+      "user-input"
+    ],
    "name": "pdf/anthropic-user-input",
    "recordedAt": "2026-07-22T18:15:37.979Z"
  },
@@ -1,7 +1,14 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:amazon-bedrock", "protocol:bedrock-converse", "tool", "tool-result"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "tool",
+      "tool-result"
+    ],
    "name": "pdf/bedrock-tool-result",
    "recordedAt": "2026-07-22T18:15:52.400Z"
  },
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:amazon-bedrock", "protocol:bedrock-converse", "user-input"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "user-input"
+    ],
    "name": "pdf/bedrock-user-input",
    "recordedAt": "2026-07-22T18:15:48.408Z"
  },
@@ -1,7 +1,14 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:google", "protocol:gemini", "tool", "tool-result"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:google",
+      "protocol:gemini",
+      "tool",
+      "tool-result"
+    ],
    "name": "pdf/gemini-tool-result",
    "recordedAt": "2026-07-22T18:21:59.606Z"
  },
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:google", "protocol:gemini", "user-input"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:google",
+      "protocol:gemini",
+      "user-input"
+    ],
    "name": "pdf/gemini-user-input",
    "recordedAt": "2026-07-22T18:20:55.140Z"
  },
@@ -1,7 +1,14 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:openai", "protocol:openai-responses", "tool", "tool-result"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:openai",
+      "protocol:openai-responses",
+      "tool",
+      "tool-result"
+    ],
    "name": "pdf/openai-tool-result",
    "recordedAt": "2026-07-22T18:15:36.438Z"
  },
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:openai", "protocol:openai-responses", "user-input"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:openai",
+      "protocol:openai-responses",
+      "user-input"
+    ],
    "name": "pdf/openai-user-input",
    "recordedAt": "2026-07-22T18:15:34.867Z"
  },
@@ -1,7 +1,14 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:xai", "protocol:openai-responses", "tool", "tool-result"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:xai",
+      "protocol:openai-responses",
+      "tool",
+      "tool-result"
+    ],
    "name": "pdf/xai-tool-result",
    "recordedAt": "2026-07-22T18:15:43.608Z"
  },
@@ -1,7 +1,13 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:pdf", "pdf", "provider:xai", "protocol:openai-responses", "user-input"],
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:xai",
+      "protocol:openai-responses",
+      "user-input"
+    ],
    "name": "pdf/xai-user-input",
    "recordedAt": "2026-07-22T18:15:42.429Z"
  },
@@ -2,7 +2,12 @@
  "version": 1,
  "metadata": {
    "model": "anthropic/claude-sonnet-4.6",
-    "tags": ["prefix:openai-compatible-chat", "provider:vercel-ai-gateway", "protocol:openai-chat", "reasoning"],
+    "tags": [
+      "prefix:openai-compatible-chat",
+      "provider:vercel-ai-gateway",
+      "protocol:openai-chat",
+      "reasoning"
+    ],
    "name": "vercel-ai-gateway-reasoning",
    "recordedAt": "2026-07-18T11:28:42.077Z"
  },
@@ -1,7 +1,11 @@
 {
  "version": 1,
  "metadata": {
-    "tags": ["prefix:xai-images", "provider:xai", "protocol:xai-images"],
+    "tags": [
+      "prefix:xai-images",
+      "provider:xai",
+      "protocol:xai-images"
+    ],
    "name": "xai-images/generates-an-image",
    "recordedAt": "2026-07-19T15:56:20.098Z"
  },
@@ -8,7 +8,6 @@ import {
  type ProviderMetadata,
  type ToolCallPart,
  ToolResultPart,
-  type ToolResultValue,
  type Usage,
 } from "../../src/schema"
 import { type Tools, toDefinitions } from "../../src/tool"
@@ -61,9 +60,10 @@ export const runTools = <T extends Tools>(options: RunOptions<T>) =>
            ...dispatched.map(([call, dispatched]) =>
              Message.tool({
                id: call.id,
+                itemId: dispatched.events.find(LLMEvent.is.toolResult)?.itemId,
                name: call.name,
                result: dispatched.result,
-                providerMetadata: call.providerMetadata,
+                providerMetadata: dispatched.events.find(LLMEvent.is.toolResult)?.providerMetadata,
              }),
            ),
          ],
@@ -89,9 +89,15 @@ const stepState = (events: ReadonlyArray<LLMEvent>) => {

  for (const event of events) {
    if (event.type === "text-delta" || event.type === "reasoning-delta") {
-      appendText(assistantContent, event.type === "text-delta" ? "text" : "reasoning", event.text)
+      appendText(assistantContent, event.type === "text-delta" ? "text" : "reasoning", event.text, event.itemId)
    } else if (event.type === "text-end" || event.type === "reasoning-end") {
-      appendText(assistantContent, event.type === "text-end" ? "text" : "reasoning", "", event.providerMetadata)
+      appendText(
+        assistantContent,
+        event.type === "text-end" ? "text" : "reasoning",
+        "",
+        event.itemId,
+        event.providerMetadata,
+      )
    } else if (event.type === "tool-call") {
      assistantContent.push(event)
      if (!event.providerExecuted) toolCalls.push(event)
@@ -99,6 +105,7 @@ const stepState = (events: ReadonlyArray<LLMEvent>) => {
      assistantContent.push(
        ToolResultPart.make({
          id: event.id,
+          itemId: event.itemId,
          name: event.name,
          result: event.result,
          providerExecuted: true,
@@ -118,6 +125,7 @@ const appendText = (
  content: ContentPart[],
  type: "text" | "reasoning",
  text: string,
+  itemId?: string,
  providerMetadata?: ProviderMetadata,
 ) => {
  const last = content.at(-1)
@@ -125,11 +133,12 @@ const appendText = (
    content[content.length - 1] = {
      ...last,
      text: `${last.text}${text}`,
+      itemId: itemId ?? last.itemId,
      providerMetadata: providerMetadata ?? last.providerMetadata,
    }
    return
  }
-  content.push({ type, text, providerMetadata })
+  content.push({ type, text, itemId, providerMetadata })
 }

 const addUsage = (left: Usage | undefined, right: Usage | undefined): Usage | undefined => {
@@ -3,11 +3,11 @@ import { CloudflareWorkersAI } from "../../src/providers"

 const model = CloudflareWorkersAI.configure({ accountId: "account", apiKey: "test" }).model("model")

-LLM.request({ model, prompt: "Hello", promptCacheKey: "cache" })
+LLM.request({ model, prompt: "Hello", providerOptions: { openai: { promptCacheKey: "cache" } } })

 LLM.request({
  model,
  prompt: "Hello",
-  // @ts-expect-error Prompt cache keys must be strings.
-  promptCacheKey: 1,
+  // @ts-expect-error Cloudflare's OpenAI-compatible prompt cache key must be a string.
+  providerOptions: { openai: { promptCacheKey: 1 } },
 })
@@ -519,8 +519,14 @@ describe("Bedrock Converse route", () => {
          fixedBytes(
            eventStreamBody(
              ["messageStart", { role: "assistant" }],
-              ["contentBlockDelta", { contentBlockIndex: 0, delta: { reasoningContent: { text: "Let me think." } } }],
-              ["contentBlockDelta", { contentBlockIndex: 0, delta: { reasoningContent: { signature: "sig_1" } } }],
+              [
+                "contentBlockDelta",
+                { contentBlockIndex: 0, delta: { reasoningContent: { text: "Let me think." } } },
+              ],
+              [
+                "contentBlockDelta",
+                { contentBlockIndex: 0, delta: { reasoningContent: { signature: "sig_1" } } },
+              ],
              ["messageStop", { stopReason: "end_turn" }],
            ),
          ),
@@ -555,7 +561,10 @@ describe("Bedrock Converse route", () => {
    Effect.gen(function* () {
      const body = eventStreamBody(
        ["messageStart", { role: "assistant" }],
-        ["contentBlockDelta", { contentBlockIndex: 0, delta: { reasoningContent: { signature: "sig_1" } } }],
+        [
+          "contentBlockDelta",
+          { contentBlockIndex: 0, delta: { reasoningContent: { signature: "sig_1" } } },
+        ],
        ["contentBlockStop", { contentBlockIndex: 0 }],
        ["messageStop", { stopReason: "end_turn" }],
      )
@@ -15,8 +15,6 @@ import {
 } from "../../src"
 import * as Azure from "../../src/providers/azure"
 import * as OpenAI from "../../src/providers/openai"
-import * as OpenAICompatible from "../../src/providers/openai-compatible"
-import * as XAI from "../../src/providers/xai"
 import * as OpenAIChat from "../../src/protocols/openai-chat"
 import { ProviderShared } from "../../src/protocols/shared"
 import { Auth, LLMClient } from "../../src/route"
@@ -156,47 +154,6 @@ describe("OpenAI Chat route", () => {
    }),
  )

-  it.effect("maps the request prompt cache key", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: OpenAICompatible.configure({
-            baseURL: "https://api.compatible.test/v1",
-            apiKey: "test",
-          }).model("compatible-model"),
-          prompt: "Hello",
-          promptCacheKey: "session_123",
-        }),
-      )
-
-      expect(prepared.body.prompt_cache_key).toBe("session_123")
-    }),
-  )
-
-  it.effect("maps the xAI Chat prompt cache key to conversation affinity", () =>
-    LLMClient.generate(
-      LLM.request({
-        model: XAI.configure({ apiKey: "test", baseURL: "https://api.x.ai/v1" }).chat("grok-4.5"),
-        prompt: "Hello",
-        promptCacheKey: "session_123",
-      }),
-    ).pipe(
-      Effect.provide(
-        dynamicResponse((input) =>
-          Effect.gen(function* () {
-            const web = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
-            expect(web.headers.get("x-grok-conv-id")).toBe("session_123")
-            const body = decodeJson(yield* Effect.promise(() => web.text()))
-            expect(ProviderShared.isRecord(body) ? body.prompt_cache_key : undefined).toBe("session_123")
-            return input.respond(sseEvents(deltaChunk({}, "stop")), {
-              headers: { "content-type": "text/event-stream" },
-            })
-          }),
-        ),
-      ),
-    ),
-  )
-
  it.effect("passes through custom OpenAI-compatible reasoning effort strings", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
@@ -300,9 +300,7 @@ describe("OpenAI-compatible Chat route", () => {
    Effect.gen(function* () {
      const response = yield* LLMClient.generate(
        LLMRequest.update(request, {
-          tools: [
-            ToolDefinition.make({ name: "weather", description: "Get weather", inputSchema: { type: "object" } }),
-          ],
+          tools: [ToolDefinition.make({ name: "weather", description: "Get weather", inputSchema: { type: "object" } })],
        }),
      ).pipe(
        Effect.provide(
@@ -45,7 +45,7 @@ describe("Open Responses-compatible route", () => {
          },
        },
      })
-      expect(prepared.body).toEqual({
+      expect(prepared.body).toMatchObject({
        model: "example-model",
        input: [
          { role: "system", content: "You are concise." },
@@ -53,6 +53,8 @@ describe("Open Responses-compatible route", () => {
        ],
        stream: true,
      })
+      expect(prepared.body.input[0]).not.toHaveProperty("id")
+      expect(prepared.body.input[1]).not.toHaveProperty("id")
    }),
  )

@@ -20,7 +20,7 @@ const cacheRequest = LLM.request({
  system: LARGE_CACHEABLE_SYSTEM,
  prompt: "Say hi.",
  generation: { maxTokens: 16, temperature: 0 },
-  promptCacheKey: "recorded-cache-test",
+  providerOptions: { openai: { promptCacheKey: "recorded-cache-test" } },
 })

 const recorded = recordedTests({
@@ -69,6 +69,9 @@ describe("OpenAI Responses route", () => {
        stream: true,
        max_output_tokens: 20,
        temperature: 0,
+        tool_choice: undefined,
+        tools: undefined,
+        top_p: undefined,
      })
    }),
  )
@@ -329,7 +332,7 @@ describe("OpenAI Responses route", () => {
      yield* LLMClient.generate(
        LLMRequest.update(request, {
          model: Azure.configure({
-            baseURL: "https://opencode-test.openai.azure.com/openai/v1/",
+            baseURL: "https://opencode-test.openai.azure.com/openai/",
            apiKey: "azure-key",
            headers: { authorization: "Bearer stale" },
          }).responses("gpt-4.1-mini"),
@@ -410,7 +413,7 @@ describe("OpenAI Responses route", () => {
        }),
      )

-      expect(prepared.body).toEqual({
+      expect(prepared.body).toMatchObject({
        model: "gpt-4.1-mini",
        input: [
          { role: "user", content: [{ type: "input_text", text: "What is the weather?" }] },
@@ -425,6 +428,65 @@ describe("OpenAI Responses route", () => {
        tools: undefined,
        top_p: undefined,
      })
+      const call = prepared.body.input.find((item) => "type" in item && item.type === "function_call")
+      const output = prepared.body.input.find((item) => "type" in item && item.type === "function_call_output")
+      expect(call?.id).toBeUndefined()
+      expect(output?.id).toBeUndefined()
+    }),
+  )
+
+  it.effect("does not generate response item ids for client-created history", () =>
+    Effect.sync(() => {
+      const canonical = LLM.request({
+        model,
+        messages: [
+          Message.assistant([
+            { type: "text", text: "Working." },
+            { type: "reasoning", text: "Thinking." },
+            ToolCallPart.make({ id: "call_1", name: "lookup", input: {} }),
+          ]),
+          Message.tool({ id: "call_1", name: "lookup", result: "done" }),
+        ],
+      })
+
+      expect(canonical.messages[0]?.id).toBeUndefined()
+      expect(canonical.messages[1]?.id).toBeUndefined()
+      expect(canonical.messages[0]?.content.every((part) => part.type === "media" || part.itemId === undefined)).toBe(
+        true,
+      )
+      expect(canonical.messages[1]?.content[0]).not.toHaveProperty("itemId")
+    }),
+  )
+
+  it.effect("replays provider function call item ids without assigning output ids", () =>
+    Effect.gen(function* () {
+      const canonical = LLM.request({
+        model,
+        messages: [
+          Message.assistant([
+            { type: "text", text: "Calling.", itemId: "plain-text" },
+            ToolCallPart.make({
+              id: "call_1",
+              name: "lookup",
+              input: {},
+              providerMetadata: { openai: { itemId: "plain-call" } },
+            }),
+          ]),
+          Message.tool({ id: "call_1", itemId: "plain-output", name: "lookup", result: "done" }),
+        ],
+      })
+      const prepared = yield* compileRequest(canonical)
+
+      expect(canonical.messages[0]?.content.map((part) => (part.type === "media" ? undefined : part.itemId))).toEqual([
+        "plain-text",
+        undefined,
+      ])
+      expect(canonical.messages[1]?.content[0]).toMatchObject({ itemId: "plain-output" })
+      expect(prepared.body.input).toEqual([
+        { role: "assistant", id: "plain-text", content: [{ type: "output_text", text: "Calling." }] },
+        { type: "function_call", id: "plain-call", call_id: "call_1", name: "lookup", arguments: "{}" },
+        { type: "function_call_output", call_id: "call_1", output: '"done"' },
+      ])
    }),
  )

@@ -682,9 +744,9 @@ describe("OpenAI Responses route", () => {
        LLM.request({
          model: OpenAI.configure({ baseURL: "https://api.openai.test/v1/", apiKey: "test" }).model("gpt-5.2"),
          prompt: "think",
-          promptCacheKey: "session_123",
          providerOptions: {
            openai: {
+              promptCacheKey: "session_123",
              reasoningEffort: "high",
              reasoningSummary: "auto",
              include: ["reasoning.encrypted_content"],
@@ -803,16 +865,17 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("maps the request prompt cache key", () =>
+  it.effect("request OpenAI provider options override route defaults", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
        LLM.request({
          model: OpenAI.configure({
            baseURL: "https://api.openai.test/v1/",
            apiKey: "test",
+            providerOptions: { openai: { promptCacheKey: "model_cache" } },
          }).model("gpt-4.1-mini"),
          prompt: "no cache",
-          promptCacheKey: "request_cache",
+          providerOptions: { openai: { promptCacheKey: "request_cache" } },
        }),
      )

@@ -863,9 +926,21 @@ describe("OpenAI Responses route", () => {
      expect(response.text).toBe("Hello!")
      expect(response.events).toEqual([
        { type: "step-start", index: 0 },
-        { type: "text-start", id: "msg_1" },
-        { type: "text-delta", id: "msg_1", text: "Hello" },
-        { type: "text-delta", id: "msg_1", text: "!" },
+        { type: "text-start", id: "msg_1", itemId: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
+        {
+          type: "text-delta",
+          id: "msg_1",
+          itemId: "msg_1",
+          text: "Hello",
+          providerMetadata: { openai: { itemId: "msg_1" } },
+        },
+        {
+          type: "text-delta",
+          id: "msg_1",
+          itemId: "msg_1",
+          text: "!",
+          providerMetadata: { openai: { itemId: "msg_1" } },
+        },
        { type: "text-end", id: "msg_1" },
        {
          type: "step-finish",
@@ -922,17 +997,20 @@ describe("OpenAI Responses route", () => {
        {
          type: "text",
          text: "Checking.",
-          providerMetadata: { openai: { phase: "commentary" } },
+          itemId: "msg_commentary",
+          providerMetadata: { openai: { itemId: "msg_commentary", phase: "commentary" } },
        },
        {
          type: "text",
          text: "Finished.",
-          providerMetadata: { openai: { phase: "final_answer" } },
+          itemId: "msg_final",
+          providerMetadata: { openai: { itemId: "msg_final", phase: "final_answer" } },
        },
        {
          type: "text",
          text: "Unclassified.",
-          providerMetadata: { openai: { phase: null } },
+          itemId: "msg_null",
+          providerMetadata: { openai: { itemId: "msg_null", phase: null } },
        },
      ])

@@ -940,16 +1018,19 @@ describe("OpenAI Responses route", () => {
      expect(prepared.body.input).toEqual([
        {
          role: "assistant",
+          id: "msg_commentary",
          content: [{ type: "output_text", text: "Checking." }],
          phase: "commentary",
        },
        {
          role: "assistant",
+          id: "msg_final",
          content: [{ type: "output_text", text: "Finished." }],
          phase: "final_answer",
        },
        {
          role: "assistant",
+          id: "msg_null",
          content: [{ type: "output_text", text: "Unclassified." }],
          phase: null,
        },
@@ -1042,12 +1123,24 @@ describe("OpenAI Responses route", () => {
      )

      expect(response.events.filter((event) => event.type.startsWith("text-"))).toEqual([
-        { type: "text-start", id: "msg_1" },
-        { type: "text-delta", id: "msg_1", text: "First" },
-        { type: "text-end", id: "msg_1" },
-        { type: "text-start", id: "msg_2" },
-        { type: "text-delta", id: "msg_2", text: "Second" },
-        { type: "text-end", id: "msg_2" },
+        { type: "text-start", id: "msg_1", itemId: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
+        {
+          type: "text-delta",
+          id: "msg_1",
+          itemId: "msg_1",
+          text: "First",
+          providerMetadata: { openai: { itemId: "msg_1" } },
+        },
+        { type: "text-end", id: "msg_1", itemId: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
+        { type: "text-start", id: "msg_2", itemId: "msg_2", providerMetadata: { openai: { itemId: "msg_2" } } },
+        {
+          type: "text-delta",
+          id: "msg_2",
+          itemId: "msg_2",
+          text: "Second",
+          providerMetadata: { openai: { itemId: "msg_2" } },
+        },
+        { type: "text-end", id: "msg_2", itemId: "msg_2", providerMetadata: { openai: { itemId: "msg_2" } } },
      ])
    }),
  )
@@ -1067,9 +1160,15 @@ describe("OpenAI Responses route", () => {
      expect(response.text).toBe("Hello")
      expect(response.events).toMatchObject([
        { type: "step-start", index: 0 },
-        { type: "reasoning-start", id: "rs_1" },
-        { type: "reasoning-delta", id: "rs_1", text: "thinking" },
-        { type: "text-start", id: "msg_1" },
+        { type: "reasoning-start", id: "rs_1", itemId: "rs_1", providerMetadata: { openai: { itemId: "rs_1" } } },
+        {
+          type: "reasoning-delta",
+          id: "rs_1",
+          itemId: "rs_1",
+          text: "thinking",
+          providerMetadata: { openai: { itemId: "rs_1" } },
+        },
+        { type: "text-start", id: "msg_1", itemId: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
        { type: "text-delta", id: "msg_1", text: "Hello" },
        { type: "reasoning-end", id: "rs_1" },
        { type: "text-end", id: "msg_1" },
@@ -1078,8 +1177,8 @@ describe("OpenAI Responses route", () => {
      ])
      expect(response.events.filter((event) => event.type === "finish")).toHaveLength(1)
      expect(response.message.content).toEqual([
-        { type: "reasoning", text: "thinking" },
-        { type: "text", text: "Hello" },
+        { type: "reasoning", text: "thinking", itemId: "rs_1", providerMetadata: { openai: { itemId: "rs_1" } } },
+        { type: "text", text: "Hello", itemId: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
      ])
    }),
  )
@@ -1110,6 +1209,7 @@ describe("OpenAI Responses route", () => {
        expect.objectContaining({
          type: "reasoning-end",
          id: "rs_1",
+          itemId: "rs_1",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: "encrypted-state" } },
        }),
      )
@@ -1150,19 +1250,34 @@ describe("OpenAI Responses route", () => {
        {
          type: "reasoning-start",
          id: "rs_1:0",
+          itemId: "rs_1",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: null } },
        },
-        { type: "reasoning-delta", id: "rs_1:0", text: "First" },
-        { type: "reasoning-end", id: "rs_1:0", providerMetadata: { openai: { itemId: "rs_1" } } },
+        {
+          type: "reasoning-delta",
+          id: "rs_1:0",
+          itemId: "rs_1",
+          text: "First",
+          providerMetadata: { openai: { itemId: "rs_1" } },
+        },
+        { type: "reasoning-end", id: "rs_1:0", itemId: "rs_1", providerMetadata: { openai: { itemId: "rs_1" } } },
        {
          type: "reasoning-start",
          id: "rs_1:1",
+          itemId: "rs_1",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: null } },
        },
-        { type: "reasoning-delta", id: "rs_1:1", text: "Second" },
+        {
+          type: "reasoning-delta",
+          id: "rs_1:1",
+          itemId: "rs_1",
+          text: "Second",
+          providerMetadata: { openai: { itemId: "rs_1" } },
+        },
        {
          type: "reasoning-end",
          id: "rs_1:1",
+          itemId: "rs_1",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: "encrypted-state" } },
        },
        { type: "step-finish", index: 0, reason: { normalized: "stop", raw: undefined } },
@@ -1200,8 +1315,8 @@ describe("OpenAI Responses route", () => {
      )

      expect(response.events.filter((event) => event.type === "reasoning-end")).toEqual([
-        { type: "reasoning-end", id: "rs_1:0", providerMetadata: { openai: { itemId: "rs_1" } } },
-        { type: "reasoning-end", id: "rs_1:1", providerMetadata: { openai: { itemId: "rs_1" } } },
+        { type: "reasoning-end", id: "rs_1:0", itemId: "rs_1", providerMetadata: { openai: { itemId: "rs_1" } } },
+        { type: "reasoning-end", id: "rs_1:1", itemId: "rs_1", providerMetadata: { openai: { itemId: "rs_1" } } },
      ])
    }),
  )
@@ -1249,7 +1364,7 @@ describe("OpenAI Responses route", () => {
                  { role: "user", content: [{ type: "input_text", text: "Summarize it." }] },
                ],
              })
-              expect(body.input[1]).not.toHaveProperty("id")
+              expect(body.input[1]).toHaveProperty("id", "rs_1")
              return input.respond(
                sseEvents(
                  { type: "response.output_text.delta", item_id: "msg_1", delta: "Parser now round-trips reasoning." },
@@ -1296,6 +1411,7 @@ describe("OpenAI Responses route", () => {
        { role: "assistant", content: [{ type: "output_text", text: "Before." }] },
        {
          type: "reasoning",
+          id: "rs_1",
          encrypted_content: "encrypted-state",
          summary: [{ type: "summary_text", text: "Checked order." }],
        },
@@ -1304,7 +1420,7 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("references stored reasoning items by id", () =>
+  it.effect("replays complete stored reasoning items with their id", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
        LLM.request({
@@ -1322,7 +1438,14 @@ describe("OpenAI Responses route", () => {
        }),
      )

-      expect(prepared.body.input).toEqual([{ type: "item_reference", id: "rs_1" }])
+      expect(prepared.body.input).toEqual([
+        {
+          type: "reasoning",
+          id: "rs_1",
+          summary: [{ type: "summary_text", text: "Checked the previous diff." }],
+          encrypted_content: undefined,
+        },
+      ])
    }),
  )

@@ -1431,6 +1554,7 @@ describe("OpenAI Responses route", () => {
      expect(prepared.body.input).toEqual([
        {
          type: "reasoning",
+          id: "rs_1",
          encrypted_content: "encrypted-state",
          summary: [
            { type: "summary_text", text: "First" },
@@ -1510,6 +1634,7 @@ describe("OpenAI Responses route", () => {
        outputTokens: 1,
        nonCachedInputTokens: 5,
        cacheReadInputTokens: undefined,
+        cacheWriteInputTokens: undefined,
        reasoningTokens: undefined,
        totalTokens: 6,
        providerMetadata: { openai: { input_tokens: 5, output_tokens: 1 } },
@@ -1520,30 +1645,35 @@ describe("OpenAI Responses route", () => {
        {
          type: "tool-input-start",
          id: "call_1",
+          itemId: "item_1",
          name: "lookup",
          providerMetadata: { openai: { itemId: "item_1" } },
        },
        {
          type: "tool-input-delta",
          id: "call_1",
+          itemId: "item_1",
          name: "lookup",
          text: '{"query"',
        },
        {
          type: "tool-input-delta",
          id: "call_1",
+          itemId: "item_1",
          name: "lookup",
          text: ':"weather"}',
        },
        {
          type: "tool-input-end",
          id: "call_1",
+          itemId: "item_1",
          name: "lookup",
          providerMetadata: { openai: { itemId: "item_1" } },
        },
        {
          type: "tool-call",
          id: "call_1",
+          itemId: "item_1",
          name: "lookup",
          input: { query: "weather" },
          providerExecuted: undefined,
@@ -1563,6 +1693,17 @@ describe("OpenAI Responses route", () => {
          usage,
        },
      ])
+      expect(response.message.content).toEqual([
+        {
+          type: "tool-call",
+          id: "call_1",
+          itemId: "item_1",
+          name: "lookup",
+          input: { query: "weather" },
+          providerExecuted: undefined,
+          providerMetadata: { openai: { itemId: "item_1" } },
+        },
+      ])
    }),
  )

@@ -1595,6 +1736,7 @@ describe("OpenAI Responses route", () => {
      expect(response.events.find(LLMEvent.is.toolInputError)).toEqual({
        type: "tool-input-error",
        id: "call_1",
+        itemId: "item_1",
        name: "lookup",
        raw: '{"query":"partial',
      })
@@ -1651,6 +1793,7 @@ describe("OpenAI Responses route", () => {
        {
          type: "tool-call",
          id: "ws_1",
+          itemId: "ws_1",
          name: "web_search",
          input: { type: "search", query: "effect 4" },
          providerExecuted: true,
@@ -1659,11 +1802,35 @@ describe("OpenAI Responses route", () => {
        {
          type: "tool-result",
          id: "ws_1",
+          itemId: "ws_1",
          name: "web_search",
          result: { type: "json", value: item },
          providerExecuted: true,
+          providerMetadata: { openai: { itemId: "ws_1", item } },
+          output: undefined,
+        },
+      ])
+      expect(response.message.content).toEqual([
+        {
+          type: "tool-call",
+          id: "ws_1",
+          itemId: "ws_1",
+          name: "web_search",
+          input: { type: "search", query: "effect 4" },
+          providerExecuted: true,
          providerMetadata: { openai: { itemId: "ws_1" } },
        },
+        {
+          type: "tool-result",
+          id: "ws_1",
+          itemId: "ws_1",
+          name: "web_search",
+          result: { type: "json", value: item },
+          providerExecuted: true,
+          providerMetadata: { openai: { itemId: "ws_1", item } },
+          metadata: undefined,
+          cache: undefined,
+        },
      ])
    }),
  )
@@ -1741,6 +1908,7 @@ describe("OpenAI Responses route", () => {
      expect(toolCall).toEqual({
        type: "tool-call",
        id: "ci_1",
+        itemId: "ci_1",
        name: "code_interpreter",
        input: { code: "print(1+1)", container_id: "cnt_xyz" },
        providerExecuted: true,
@@ -1750,10 +1918,12 @@ describe("OpenAI Responses route", () => {
      expect(toolResult).toEqual({
        type: "tool-result",
        id: "ci_1",
+        itemId: "ci_1",
        name: "code_interpreter",
        result: { type: "json", value: item },
        providerExecuted: true,
-        providerMetadata: { openai: { itemId: "ci_1" } },
+        providerMetadata: { openai: { itemId: "ci_1", item } },
+        output: undefined,
      })
    }),
  )
@@ -162,6 +162,7 @@ describe("OpenRouter", () => {
              openrouter: {
                usage: true,
                reasoning: { effort: "high" },
+                promptCacheKey: "session_123",
                models: ["anthropic/claude-sonnet-4.6", "google/gemini-3.1-pro"],
                provider: { order: ["anthropic", "google"], require_parameters: true },
                plugins: [{ id: "response-healing" }],
@@ -173,7 +174,6 @@ describe("OpenRouter", () => {
            },
          }).model("anthropic/claude-3.7-sonnet:thinking"),
          prompt: "Think briefly.",
-          promptCacheKey: "session_123",
        }),
      )

@@ -49,6 +49,43 @@ describe("LLMResponse reducer", () => {
    expect(state.message.content).toEqual([{ type: "text", text: "partial" }])
  })

+  test("assembles response item identity and provider metadata", () => {
+    const response = LLMResponse.fromEvents([
+      LLMEvent.textStart({ id: "text-block", itemId: "msg_existing" }),
+      LLMEvent.textDelta({
+        id: "text-block",
+        itemId: "msg_existing",
+        text: "Answer",
+        providerMetadata: { openai: { itemId: "msg_existing" } },
+      }),
+      LLMEvent.textEnd({ id: "text-block", itemId: "msg_existing" }),
+      LLMEvent.reasoningStart({ id: "reasoning-block", itemId: "rs_existing" }),
+      LLMEvent.reasoningDelta({
+        id: "reasoning-block",
+        itemId: "rs_existing",
+        text: "Thought",
+        providerMetadata: { openai: { itemId: "rs_existing" } },
+      }),
+      LLMEvent.reasoningEnd({ id: "reasoning-block", itemId: "rs_existing" }),
+      LLMEvent.finish({ reason: { normalized: "stop" } }),
+    ])
+
+    expect(response?.message.content).toEqual([
+      {
+        type: "text",
+        text: "Answer",
+        itemId: "msg_existing",
+        providerMetadata: { openai: { itemId: "msg_existing" } },
+      },
+      {
+        type: "reasoning",
+        text: "Thought",
+        itemId: "rs_existing",
+        providerMetadata: { openai: { itemId: "rs_existing" } },
+      },
+    ])
+  })
+
  test("does not complete ended content without a terminal finish", () => {
    const state = reduce([
      LLMEvent.textStart({ id: "t1" }),
@@ -172,7 +172,7 @@ describe("LLMClient tools", () => {
      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([
+      expect(dispatched.events).toMatchObject([
        LLMEvent.toolResult({
          id: "call_projected",
          name: "projected",
@@ -180,6 +180,7 @@ describe("LLMClient tools", () => {
          output: { structured: { count: "2" }, content: [{ type: "text", text: "count:2" }] },
        }),
      ])
+      expect(dispatched.events[0]?.itemId).toBeUndefined()
    }),
  )

@@ -197,7 +198,7 @@ describe("LLMClient tools", () => {
        LLMEvent.toolCall({ id: "call_1", name: "tool", input: {}, providerMetadata }),
      )

-      expect(dispatched.events).toEqual([
+      expect(dispatched.events).toMatchObject([
        LLMEvent.toolResult({
          id: "call_1",
          name: "tool",
@@ -206,12 +207,13 @@ describe("LLMClient tools", () => {
          providerMetadata,
        }),
      ])
+      expect(dispatched.events[0]?.itemId).toBeUndefined()

      const failed = yield* ToolRuntime.dispatch(
        {},
-        LLMEvent.toolCall({ id: "call_2", name: "missing", input: {}, providerMetadata }),
+        LLMEvent.toolCall({ id: "call_2", itemId: "fc_failed", name: "missing", input: {}, providerMetadata }),
      )
-      expect(failed.events).toEqual([
+      expect(failed.events).toMatchObject([
        LLMEvent.toolError({
          id: "call_2",
          name: "missing",
@@ -225,6 +227,27 @@ describe("LLMClient tools", () => {
          providerMetadata,
        }),
      ])
+      const errorItemID = failed.events.find(LLMEvent.is.toolError)?.itemId
+      const resultItemID = failed.events.find(LLMEvent.is.toolResult)?.itemId
+      expect(errorItemID).toBeUndefined()
+      expect(resultItemID).toBeUndefined()
+    }),
+  )
+
+  it.effect("does not derive a function output item id from the function call item id", () =>
+    Effect.gen(function* () {
+      const tool = Tool.make({
+        description: "Return text.",
+        parameters: Schema.Struct({}),
+        success: Schema.String,
+        execute: () => Effect.succeed("hello"),
+      })
+      const dispatched = yield* ToolRuntime.dispatch(
+        { tool },
+        LLMEvent.toolCall({ id: "call_1", itemId: "fc_existing", name: "tool", input: {} }),
+      )
+
+      expect(dispatched.events.find(LLMEvent.is.toolResult)?.itemId).toBeUndefined()
    }),
  )

@@ -437,7 +460,7 @@ describe("LLMClient tools", () => {
      )

      expect(dispatched.result).toEqual(callerOwned)
-      expect(dispatched.events).toEqual([
+      expect(dispatched.events).toMatchObject([
        LLMEvent.toolResult({
          id: "call_1",
          name: "eventful",
@@ -445,6 +468,7 @@ describe("LLMClient tools", () => {
          output: { structured: { ok: true }, content: [] },
        }),
      ])
+      expect(dispatched.events[0]?.itemId).toBeUndefined()
    }),
  )

@@ -177,8 +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-${index}.ts`,
-        status: "modified",
+         file: `src/diff-${index}.ts`,
+         status: "modified",
        additions: 1,
        deletions: 1,
        patch: `@@ -1 +1 @@\n-export const value = ${index}\n+export const value = ${index + 1}`,
@@ -85,7 +85,8 @@ 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 === "/api/event") return sse(route)
+    if (url.pathname === "/api/event")
+      return sse(route)
    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: {} })
@@ -181,17 +181,12 @@ 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 === "/api/event") return sse(route)
+    if (url.pathname === "/api/event")
+      return sse(route)
    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",
-          },
-        ],
+        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) })
@@ -58,7 +58,8 @@ 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 === "/api/event") return sse(route, url.pathname === "/api/event")
+    if (url.pathname === "/api/event")
+      return sse(route, url.pathname === "/api/event")
    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" } } : {} })
@@ -171,8 +171,8 @@ 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 === "/api/vcs/diff" &&
+      return (
+        url.pathname === "/api/vcs/diff" &&
      url.searchParams.get("location[directory]")?.replaceAll("\\", "/").endsWith("/src/branch/d00027") === true
    )
  })
@@ -86,10 +86,15 @@ test.describe("session timeline projection", () => {
      ],
      { summary: { diffs: Array.from({ length: 11 }, (_, index) => summaryDiff(index)) } },
    )
-    const aborted = assistantMessage([{ id: "prt_before_abort", type: "text", text: "Before interruption" }], {
-      id: "msg_1001_assistant_aborted",
-      error: { name: "MessageAbortedError", data: { message: "Stopped" } },
-    })
+    const aborted = assistantMessage(
+      [
+        { id: "prt_before_abort", type: "text", text: "Before interruption" },
+      ],
+      {
+        id: "msg_1001_assistant_aborted",
+        error: { name: "MessageAbortedError", data: { message: "Stopped" } },
+      },
+    )
    const failed = assistantMessage([{ id: "prt_after_abort", type: "text", text: "After interruption" }], {
      id: "msg_1002_assistant_failed",
      error: {
@@ -89,7 +89,8 @@ async function mockServer(page: Page) {
    if (url.origin !== server) return route.fallback()
    if ([`/api/session/${unresolvedSessionID}`, `/session/${unresolvedSessionID}`].includes(url.pathname))
      return new Promise(() => {})
-    if (url.pathname === "/api/event") return sse(route)
+    if (url.pathname === "/api/event")
+      return sse(route)
    if (url.pathname === "/api/session") return json(route, { data: sessions.map(currentSession), cursor: {} })
    if (url.pathname === "/api/session/active") return json(route, { data: {} })
    const currentSessionInfo = sessions.find((item) => url.pathname === `/api/session/${item.id}`)
@@ -300,8 +300,9 @@ export const fixture = {
      .filter((message) => message.info.role === "user")
      .map((message) => message.info.id),
    targetPartIDs: targetMessages.flatMap(currentPartIDs),
-    expandedShellPartID: targetMessages.flatMap((message) => message.parts).find((part) => part.tool === "bash")!
-      .callID,
+    expandedShellPartID: targetMessages
+      .flatMap((message) => message.parts)
+      .find((part) => part.tool === "bash")!.callID,
  },
 }

@@ -144,8 +144,7 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
        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") 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: [] })
@@ -207,8 +206,7 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    const fileRead = path.match(/^\/api\/fs\/read\/(.+)$/)?.[1]
    if (fileRead && config.fileContent) {
      const value = await config.fileContent(decodeURIComponent(fileRead))
-      const content =
-        value && typeof value === "object" && "content" in value ? String(value.content) : String(value ?? "")
+      const content = value && typeof value === "object" && "content" in value ? String(value.content) : String(value ?? "")
      return route.fulfill({ status: 200, body: content, headers: { "content-type": "application/octet-stream" } })
    }
    if (path === "/api/fs/find" && config.findFiles) {
@@ -283,8 +281,7 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    if (/^\/api\/session\/[^/]+\/permission\/[^/]+\/reply$/.test(path) && route.request().method() === "POST") {
      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
    }
-    if (/^\/question\/[^/]+\/(reply|reject)$/.test(path) && route.request().method() === "POST")
-      return json(route, true)
+    if (/^\/question\/[^/]+\/(reply|reject)$/.test(path) && route.request().method() === "POST") return json(route, true)
    if (/^\/session\/[^/]+\/permissions\/[^/]+$/.test(path) && route.request().method() === "POST")
      return json(route, true)
    if (
@@ -389,13 +386,11 @@ function providerConfig(config: MockServerConfig) {

 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 }]
-        : [],
-    )
+  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) {
@@ -445,7 +440,9 @@ 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
+  return models.find(
+    (model) => model.providerID === selected.providerID && model.id === selected.modelID,
+  ) ?? null
 }

 function currentPermission(value: unknown) {
@@ -565,16 +562,22 @@ function legacyAgent(part: Record<string, unknown>): PromptAgentAttachment[] {
 }

 function mentionFrom(value: Record<string, unknown> | undefined) {
-  if (!value || typeof value.value !== "string" || typeof value.start !== "number" || typeof value.end !== "number")
+  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"] {
+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) } : {}) },
-    ]
+    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 [
@@ -615,12 +618,7 @@ function legacyAssistantContent(part: Record<string, unknown>, created: number):
    ...(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) },
-      },
-    ]
+    return [{ ...base, state: { status: "streaming", input: typeof state.raw === "string" ? state.raw : JSON.stringify(input) } }]
  if (state.status === "completed")
    return [
      {
@@ -174,7 +174,8 @@ 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 !== "/api/event") return originalFetch(request)
+        if (url.origin !== server || url.pathname !== "/api/event")
+          return originalFetch(request)

        const id = ++nextConnectionID
        const record = {
@@ -20,10 +20,7 @@
    <meta property="twitter:image" content="/social-share.png" />
    <script id="oc-theme-preload-script" src="/oc-theme-preload.js"></script>
  </head>
-  <body
-    data-new-layout
-    class="antialiased overscroll-none font-(family-name:--font-family-text) text-[13px] font-[440] overflow-hidden bg-v2-background-bg-deep"
-  >
+  <body data-new-layout class="antialiased overscroll-none font-(family-name:--font-family-text) text-[13px] font-[440] overflow-hidden bg-v2-background-bg-deep">
    <noscript>You need to enable JavaScript to run this app.</noscript>
    <div id="root" class="flex flex-col h-dvh bg-v2-background-bg-deep p-px"></div>
    <script src="/src/entry.tsx" type="module"></script>
@@ -9,7 +9,14 @@ import { Font } from "@opencode-ai/ui/font"
 import { Splash } from "@opencode-ai/ui/logo"
 import { ThemeProvider } from "@opencode-ai/ui/theme/context"
 import { MetaProvider } from "@solidjs/meta"
-import { type BaseRouterProps, Navigate, Route, Router, useParams, useSearchParams } from "@solidjs/router"
+import {
+  type BaseRouterProps,
+  Navigate,
+  Route,
+  Router,
+  useParams,
+  useSearchParams,
+} from "@solidjs/router"
 import { QueryClient, QueryClientProvider } from "@tanstack/solid-query"
 import { Effect } from "effect"
 import {
@@ -1,4 +1,4 @@
-import type { FormAnswer, IntegrationMethod, IntegrationOauthConnectOutput } from "@opencode-ai/client/promise"
+import type { IntegrationMethod, IntegrationOauthConnectOutput } from "@opencode-ai/client/promise"
 import { Button } from "@opencode-ai/ui/button"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { Dialog } from "@opencode-ai/ui/dialog"
@@ -40,8 +40,6 @@ import { decode64 } from "@/utils/base64"

 const CUSTOM_ID = "_custom"
 type ConnectMethod = Extract<IntegrationMethod, { type: "key" | "oauth" }>
-type IntegrationForm = NonNullable<ConnectMethod["forms"]>[number]
-type StringForm = Extract<IntegrationForm, { type: "string" }>

 export function useProviderConnectController(options: { onBack?: () => void } = {}) {
  const [store, setStore] = createStore({ selected: undefined as string | undefined })
@@ -436,16 +434,16 @@ function ProviderConnection(props: {
  const [store, setStore] = createStore({
    methodIndex: undefined as undefined | number,
    authorization: undefined as undefined | IntegrationOauthConnectOutput["data"],
-    formAnswers: undefined as FormAnswer | undefined,
-    state: "pending" as undefined | "pending" | "complete" | "error" | "form",
+    promptInputs: undefined as undefined | Record<string, string>,
+    state: "pending" as undefined | "pending" | "complete" | "error" | "prompt",
    error: undefined as string | undefined,
  })

  type Action =
    | { type: "method.select"; index: number }
    | { type: "method.reset" }
-    | { type: "auth.form" }
-    | { type: "auth.answers"; answers: FormAnswer }
+    | { type: "auth.prompt" }
+    | { type: "auth.inputs"; inputs: Record<string, string> }
    | { type: "auth.pending" }
    | { type: "auth.complete"; authorization: IntegrationOauthConnectOutput["data"] }
    | { type: "auth.error"; error: string }
@@ -456,7 +454,7 @@ function ProviderConnection(props: {
        if (action.type === "method.select") {
          draft.methodIndex = action.index
          draft.authorization = undefined
-          draft.formAnswers = undefined
+          draft.promptInputs = undefined
          draft.state = undefined
          draft.error = undefined
          return
@@ -464,18 +462,18 @@ function ProviderConnection(props: {
        if (action.type === "method.reset") {
          draft.methodIndex = undefined
          draft.authorization = undefined
-          draft.formAnswers = undefined
+          draft.promptInputs = undefined
          draft.state = undefined
          draft.error = undefined
          return
        }
-        if (action.type === "auth.form") {
-          draft.state = "form"
+        if (action.type === "auth.prompt") {
+          draft.state = "prompt"
          draft.error = undefined
          return
        }
-        if (action.type === "auth.answers") {
-          draft.formAnswers = action.answers
+        if (action.type === "auth.inputs") {
+          draft.promptInputs = action.inputs
          draft.state = undefined
          draft.error = undefined
          return
@@ -533,7 +531,7 @@ function ProviderConnection(props: {
    return fallback
  }

-  async function selectMethod(index: number, answers?: FormAnswer) {
+  async function selectMethod(index: number, inputs?: Record<string, string>) {
    if (timer.current !== undefined) {
      clearTimeout(timer.current)
      timer.current = undefined
@@ -542,17 +540,9 @@ function ProviderConnection(props: {
    const method = methods()[index]
    dispatch({ type: "method.select", index })

-    if (method.forms?.length && !answers) {
-      dispatch({ type: "auth.form" })
-      return
-    }
-    if (method.type === "key") {
-      dispatch({ type: "auth.answers", answers: answers ?? {} })
-      return
-    }
    if (method.type === "oauth") {
-      if (method.forms?.some((field) => field.type !== "string")) {
-        dispatch({ type: "auth.error", error: "This authentication form contains unsupported fields" })
+      if (method.prompts?.length && !inputs) {
+        dispatch({ type: "auth.prompt" })
        return
      }
      dispatch({ type: "auth.pending" })
@@ -560,7 +550,7 @@ function ProviderConnection(props: {
        .api.integration.oauth.connect({
          integrationID: props.provider,
          methodID: method.id,
-          answers: answers ?? {},
+          inputs: inputs ?? {},
          location: location(),
        })
        .then((x) => {
@@ -574,42 +564,41 @@ function ProviderConnection(props: {
    }
  }

-  function AuthFormsView() {
+  function AuthPromptsView() {
    const [formStore, setFormStore] = createStore({
      value: {} as Record<string, string>,
      index: 0,
    })

-    const forms = createMemo<StringForm[]>(() => {
+    const prompts = createMemo(() => {
      const value = method()
-      return (value?.forms ?? []).flatMap((field) => (field.type === "string" ? [field] : []))
+      return value?.type === "oauth" ? (value.prompts ?? []) : []
    })
-    const matches = (field: StringForm, value: Record<string, string>) => {
-      return (field.when ?? []).every((condition) => {
-        const actual = value[condition.key]
-        if (actual === undefined) return false
-        return condition.op === "eq" ? actual === condition.value : actual !== condition.value
-      })
+    const matches = (prompt: NonNullable<ReturnType<typeof prompts>[number]>, value: Record<string, string>) => {
+      if (!prompt.when) return true
+      const actual = value[prompt.when.key]
+      if (actual === undefined) return false
+      return prompt.when.op === "eq" ? actual === prompt.when.value : actual !== prompt.when.value
    }
    const current = createMemo(() => {
-      const all = forms()
-      const index = all.findIndex((field, index) => index >= formStore.index && matches(field, formStore.value))
+      const all = prompts()
+      const index = all.findIndex((prompt, index) => index >= formStore.index && matches(prompt, formStore.value))
      if (index === -1) return
      return {
        index,
-        field: all[index],
+        prompt: all[index],
      }
    })
    const valid = createMemo(() => {
      const item = current()
-      if (!item || item.field.options) return false
-      if (!item.field.required) return true
-      return (formStore.value[item.field.key] ?? "").trim().length > 0
+      if (!item || item.prompt.type !== "text") return false
+      const value = formStore.value[item.prompt.key] ?? ""
+      return value.trim().length > 0
    })

    async function next(index: number, value: Record<string, string>) {
      if (store.methodIndex === undefined) return
-      const next = forms().findIndex((field, i) => i > index && matches(field, value))
+      const next = prompts().findIndex((prompt, i) => i > index && matches(prompt, value))
      if (next !== -1) {
        setFormStore("index", next)
        return
@@ -620,60 +609,60 @@ function ProviderConnection(props: {
    async function handleSubmit(e: SubmitEvent) {
      e.preventDefault()
      const item = current()
-      if (!item || item.field.options) return
+      if (!item || item.prompt.type !== "text") return
      if (!valid()) return
      await next(item.index, formStore.value)
    }

    const item = () => current()
    const text = createMemo(() => {
-      const field = item()?.field
-      if (!field || field.options) return
-      return field
+      const prompt = item()?.prompt
+      if (!prompt || prompt.type !== "text") return
+      return prompt
    })
    const select = createMemo(() => {
-      const field = item()?.field
-      if (!field?.options) return
-      return field
+      const prompt = item()?.prompt
+      if (!prompt || prompt.type !== "select") return
+      return prompt
    })

    return (
      <form onSubmit={handleSubmit} class="flex flex-col items-start gap-4">
        <Switch>
-          <Match when={item()?.field.options === undefined}>
+          <Match when={item()?.prompt.type === "text"}>
            <TextField
              type="text"
-              label={text()?.title ?? ""}
+              label={text()?.message ?? ""}
              placeholder={text()?.placeholder}
              value={text() ? (formStore.value[text()!.key] ?? "") : ""}
              onChange={(value) => {
-                const field = text()
-                if (!field) return
-                setFormStore("value", field.key, value)
+                const prompt = text()
+                if (!prompt) return
+                setFormStore("value", prompt.key, value)
              }}
            />
            <Button class="w-auto" type="submit" size="large" variant="primary" disabled={!valid()}>
              {language.t("common.continue")}
            </Button>
          </Match>
-          <Match when={item()?.field.options !== undefined}>
+          <Match when={item()?.prompt.type === "select"}>
            <div class="w-full flex flex-col gap-1.5">
-              <div class="text-14-regular text-text-base">{select()?.title}</div>
+              <div class="text-14-regular text-text-base">{select()?.message}</div>
              <div>
                <List
                  class="px-3"
                  items={select()?.options ?? []}
                  key={(x) => x.value}
-                  current={select()?.options?.find((x) => x.value === formStore.value[select()!.key])}
+                  current={select()?.options.find((x) => x.value === formStore.value[select()!.key])}
                  onSelect={(value) => {
                    if (!value) return
-                    const field = select()
-                    if (!field) return
+                    const prompt = select()
+                    if (!prompt) return
                    const nextValue = {
                      ...formStore.value,
-                      [field.key]: value.value,
+                      [prompt.key]: value.value,
                    }
-                    setFormStore("value", field.key, value.value)
+                    setFormStore("value", prompt.key, value.value)
                    void next(item()!.index, nextValue)
                  }}
                >
@@ -683,7 +672,7 @@ function ProviderConnection(props: {
                        <div class="w-2.5 h-0.5 ml-0 bg-icon-strong-base hidden" data-slot="list-item-extra-icon" />
                      </div>
                      <span>{option.label}</span>
-                      <span class="text-14-regular text-text-weak">{option.description}</span>
+                      <span class="text-14-regular text-text-weak">{option.hint}</span>
                    </div>
                  )}
                </List>
@@ -831,7 +820,6 @@ function ProviderConnection(props: {
        integrationID: props.provider,
        location: location(),
        key: apiKey,
-        answers: store.formAnswers ?? {},
      })
      await complete()
    }
@@ -1155,8 +1143,8 @@ function ProviderConnection(props: {
                </div>
              </div>
            </Match>
-            <Match when={store.state === "form"}>
-              <AuthFormsView />
+            <Match when={store.state === "prompt"}>
+              <AuthPromptsView />
            </Match>
            <Match when={store.state === "error"}>
              <div class="text-14-regular text-text-base">
@@ -123,7 +123,9 @@ export const SettingsProvidersV2: Component<{
        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 })),
+          credentials.map((credential) =>
+            serverSdk().api.credential.remove({ credentialID: credential.id, location }),
+          ),
        )
        showToast({
          variant: "success",
@@ -5,16 +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,
-  createResource,
-  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"
@@ -300,10 +291,7 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
  const lspCount = createMemo(() => lspItems().length)
  const [pluginList] = createResource(
    () => (props.shown() ? sdk().directory : undefined),
-    (directory) =>
-      sdk()
-        .api.plugin.list({ location: { directory } })
-        .then((result) => result.data),
+    (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)
@@ -190,7 +190,10 @@ export function Titlebar(props: { update?: TitlebarUpdate; debugTools?: { visibl
                  .find((item) => ServerConnection.key(item) === (route.server ?? server.key))
                return conn ? { route, sdk: global.ensureServerCtx(conn).sdk } : undefined
              },
-              ({ route, sdk }) => sdk.api.session.get({ sessionID: route.sessionId }).catch(() => {}),
+              ({ route, sdk }) =>
+                sdk.api.session
+                  .get({ sessionID: route.sessionId })
+                  .catch(() => {}),
            )

            const matchRoute = (route: LayoutRoute) => {
@@ -124,7 +124,9 @@ export const createDirSyncContext = (
        const [store, setStore] = current()
        setStore("limit", (value) => value + count)
        const response = await serverSDK.api.session.list({ directory, limit: store.limit, order: "desc" })
-        const sessions = response.data.sort((a, b) => cmp(a.id, b.id)).slice(0, store.limit)
+        const sessions = response.data
+          .sort((a, b) => cmp(a.id, b.id))
+          .slice(0, store.limit)
        sessions.forEach(serverSync.session.remember)
        setStore("session", reconcile(sessions, { key: "id" }))
      },
@@ -1,4 +1,9 @@
-import type { Config, Path, Project, ProviderAuthResponse } from "@/types"
+import type {
+  Config,
+  Path,
+  Project,
+  ProviderAuthResponse,
+} from "@/types"
 import type {
  AgentListInput,
  AgentListOutput,
@@ -26,7 +31,12 @@ import { batch } from "solid-js"
 import { produce, reconcile, type SetStoreFunction, type Store } from "solid-js/store"
 import type { State, VcsCache } from "./types"
 import type { ServerSession } from "../server-session"
-import { cmp, normalizeAgentList, normalizeProjectInfo, normalizeProviderList } from "./utils"
+import {
+  cmp,
+  normalizeAgentList,
+  normalizeProjectInfo,
+  normalizeProviderList,
+} from "./utils"
 import { formatServerError } from "@/utils/server-errors"
 import { QueryClient, queryOptions } from "@tanstack/solid-query"
 import { loadMcpQuery, loadMcpResourcesQuery } from "../server-sync"
@@ -138,7 +148,10 @@ export async function bootstrapGlobal(input: {
 }) {
  const slow = [
    () => input.queryClient.fetchQuery(loadGlobalConfigQuery(input.scope)),
-    () => input.queryClient.fetchQuery(loadProvidersQuery(input.scope, null, input.serverAPI)),
+    () =>
+      input.queryClient.fetchQuery(
+        loadProvidersQuery(input.scope, null, input.serverAPI),
+      ),
    () => input.queryClient.fetchQuery(loadPathQuery(input.scope, null, input.serverAPI.location)),
    () =>
      input.queryClient
@@ -198,7 +211,11 @@ function warmSessions(input: {
  ).then(() => undefined)
 }

-export const loadProvidersQuery = (scope: ServerScope, directory: string | null, sdk: CatalogApi) =>
+export const loadProvidersQuery = (
+  scope: ServerScope,
+  directory: string | null,
+  sdk: CatalogApi,
+) =>
  queryOptions({
    queryKey: [scope, directory, "providers"],
    queryFn: () =>
@@ -225,16 +242,28 @@ type ReferenceListApi = {
  readonly list: (input?: ReferenceListInput) => Promise<ReferenceListOutput>
 }

-export const loadAgentsQuery = (scope: ServerScope, directory: string, sdk: AgentListApi) =>
+export const loadAgentsQuery = (
+  scope: ServerScope,
+  directory: string,
+  sdk: AgentListApi,
+) =>
  queryOptions({
    queryKey: [scope, directory, "agents"],
-    queryFn: () => retry(() => sdk.list({ location: { directory } }).then((result) => normalizeAgentList(result.data))),
+    queryFn: () =>
+      retry(() => sdk.list({ location: { directory } }).then((result) => normalizeAgentList(result.data))),
  })

-export const loadCommands = (directory: string, api: CommandListApi): Promise<CommandInfo[]> =>
+export const loadCommands = (
+  directory: string,
+  api: CommandListApi,
+): Promise<CommandInfo[]> =>
  retry(() => api.list({ location: { directory } }).then((result) => result.data))

-export const loadPathQuery = (scope: ServerScope, directory: string | null, api: LocationApi) =>
+export const loadPathQuery = (
+  scope: ServerScope,
+  directory: string | null,
+  api: LocationApi,
+) =>
  queryOptions<Path>({
    queryKey: [scope, directory, "path"],
    queryFn: () =>
@@ -247,10 +276,15 @@ export const loadPathQuery = (scope: ServerScope, directory: string | null, api:
      })),
  })

-export const loadReferencesQuery = (scope: ServerScope, directory: string, api: ReferenceListApi) =>
+export const loadReferencesQuery = (
+  scope: ServerScope,
+  directory: string,
+  api: ReferenceListApi,
+) =>
  queryOptions<ReferenceInfo[]>({
    queryKey: [scope, directory, "references"] as const,
-    queryFn: () => retry(() => api.list({ location: { directory } }).then((result) => result.data)).catch(() => []),
+    queryFn: () =>
+      retry(() => api.list({ location: { directory } }).then((result) => result.data)).catch(() => []),
    placeholderData: [],
  })

@@ -319,41 +353,46 @@ export async function bootstrapDirectory(input: {
            })),
      input.mcp &&
        (() =>
-          loadCommands(input.directory, input.api.command).then((commands) => input.setStore("command", commands))),
-      () => input.queryClient.fetchQuery(loadReferencesQuery(input.scope, input.directory, input.api.reference)),
+          loadCommands(input.directory, input.api.command).then((commands) =>
+            input.setStore("command", commands),
+          )),
+      () =>
+        input.queryClient.fetchQuery(
+          loadReferencesQuery(input.scope, input.directory, input.api.reference),
+        ),
      () =>
        retry(() =>
          input.api.permission.request
            .list({ location: { directory: input.directory } })
            .then((result) => result.data)
            .then((permissions) => {
-              const ids = permissions.map((permission) => permission.sessionID)
-              const grouped = groupBySession(
-                permissions.filter((permission) => !!permission.id && !!permission.sessionID),
-              )
-              const warm = input.session
-                ? Promise.all(ids.map((sessionID) => input.session!.resolve(sessionID))).then(() => undefined)
-                : warmSessions({ ids, store: input.store, setStore: input.setStore, api: input.api.session })
-              return warm.then(() =>
-                batch(() => {
-                  const current = input.session?.data.permission ?? input.store.permission
-                  for (const sessionID of Object.keys(current)) {
-                    if (grouped[sessionID]) continue
-                    if (input.session?.get(sessionID)?.location.directory !== input.directory) continue
-                    if (input.session) input.session.set("permission", sessionID, [])
-                    if (!input.session) input.setStore("permission", sessionID, [])
-                  }
-                  for (const [sessionID, permissions] of Object.entries(grouped)) {
-                    const value = reconcile(
-                      permissions.filter((p) => !!p?.id).sort((a, b) => cmp(a.id, b.id)),
-                      { key: "id" },
-                    )
-                    if (input.session) input.session.set("permission", sessionID, value)
-                    if (!input.session) input.setStore("permission", sessionID, value)
-                  }
-                }),
-              )
-            }),
+            const ids = permissions.map((permission) => permission.sessionID)
+            const grouped = groupBySession(
+              permissions.filter((permission) => !!permission.id && !!permission.sessionID),
+            )
+            const warm = input.session
+              ? Promise.all(ids.map((sessionID) => input.session!.resolve(sessionID))).then(() => undefined)
+              : warmSessions({ ids, store: input.store, setStore: input.setStore, api: input.api.session })
+            return warm.then(() =>
+              batch(() => {
+                const current = input.session?.data.permission ?? input.store.permission
+                for (const sessionID of Object.keys(current)) {
+                  if (grouped[sessionID]) continue
+                   if (input.session?.get(sessionID)?.location.directory !== input.directory) continue
+                  if (input.session) input.session.set("permission", sessionID, [])
+                  if (!input.session) input.setStore("permission", sessionID, [])
+                }
+                for (const [sessionID, permissions] of Object.entries(grouped)) {
+                  const value = reconcile(
+                    permissions.filter((p) => !!p?.id).sort((a, b) => cmp(a.id, b.id)),
+                    { key: "id" },
+                  )
+                  if (input.session) input.session.set("permission", sessionID, value)
+                  if (!input.session) input.setStore("permission", sessionID, value)
+                }
+              }),
+            )
+          }),
        ),
      () =>
        retry(() =>
@@ -361,47 +400,56 @@ export async function bootstrapDirectory(input: {
            .list({ location: { directory: input.directory } })
            .then((result) => result.data)
            .then((questions) => {
-              const ids = questions.map((question) => question.sessionID)
-              const grouped = groupBySession(
-                questions.filter((question) => !!question.id && !!question.sessionID) as QuestionRequest[],
-              )
-              const warm = input.session
-                ? Promise.all(ids.map((sessionID) => input.session!.resolve(sessionID))).then(() => undefined)
-                : warmSessions({ ids, store: input.store, setStore: input.setStore, api: input.api.session })
-              return warm.then(() =>
-                batch(() => {
-                  const current = input.session?.data.question ?? input.store.question
-                  for (const sessionID of Object.keys(current)) {
-                    if (grouped[sessionID]) continue
-                    if (input.session?.get(sessionID)?.location.directory !== input.directory) continue
-                    if (input.session) input.session.set("question", sessionID, [])
-                    if (!input.session) input.setStore("question", sessionID, [])
-                  }
-                  for (const [sessionID, questions] of Object.entries(grouped)) {
-                    const value = reconcile(
-                      questions.filter((q) => !!q?.id).sort((a, b) => cmp(a.id, b.id)),
-                      { key: "id" },
-                    )
-                    if (input.session) input.session.set("question", sessionID, value)
-                    if (!input.session) input.setStore("question", sessionID, value)
-                  }
-                }),
-              )
-            }),
+            const ids = questions.map((question) => question.sessionID)
+            const grouped = groupBySession(
+              questions.filter((question) => !!question.id && !!question.sessionID) as QuestionRequest[],
+            )
+            const warm = input.session
+              ? Promise.all(ids.map((sessionID) => input.session!.resolve(sessionID))).then(() => undefined)
+              : warmSessions({ ids, store: input.store, setStore: input.setStore, api: input.api.session })
+            return warm.then(() =>
+              batch(() => {
+                const current = input.session?.data.question ?? input.store.question
+                for (const sessionID of Object.keys(current)) {
+                  if (grouped[sessionID]) continue
+                   if (input.session?.get(sessionID)?.location.directory !== input.directory) continue
+                  if (input.session) input.session.set("question", sessionID, [])
+                  if (!input.session) input.setStore("question", sessionID, [])
+                }
+                for (const [sessionID, questions] of Object.entries(grouped)) {
+                  const value = reconcile(
+                    questions.filter((q) => !!q?.id).sort((a, b) => cmp(a.id, b.id)),
+                    { key: "id" },
+                  )
+                  if (input.session) input.session.set("question", sessionID, value)
+                  if (!input.session) input.setStore("question", sessionID, value)
+                }
+              }),
+            )
+          }),
        ),
      () => Promise.resolve(input.loadSessions(input.directory)),
-      input.mcp && (() => input.queryClient.fetchQuery(loadMcpQuery(input.scope, input.directory, input.api.mcp))),
      input.mcp &&
-        (() => input.queryClient.fetchQuery(loadMcpResourcesQuery(input.scope, input.directory, input.api.mcp))),
+        (() =>
+          input.queryClient.fetchQuery(
+            loadMcpQuery(input.scope, input.directory, input.api.mcp),
+          )),
+      input.mcp &&
+        (() =>
+          input.queryClient.fetchQuery(
+            loadMcpResourcesQuery(input.scope, input.directory, input.api.mcp),
+          )),
      () =>
-        input.queryClient.fetchQuery(loadProvidersQuery(input.scope, input.directory, input.api)).catch((err) => {
-          const project = getFilename(input.directory)
-          showToast({
-            variant: "error",
-            title: input.translate("toast.project.reloadFailed.title", { project }),
-            description: formatServerError(err, input.translate),
-          })
-        }),
+        input.queryClient
+          .fetchQuery(loadProvidersQuery(input.scope, input.directory, input.api))
+          .catch((err) => {
+            const project = getFilename(input.directory)
+            showToast({
+              variant: "error",
+              title: input.translate("toast.project.reloadFailed.title", { project }),
+              description: formatServerError(err, input.translate),
+            })
+          }),
    ].filter(Boolean) as (() => Promise<any>)[]

    await waitForPaint()
@@ -1,13 +1,12 @@
 import { Binary } from "@opencode-ai/core/util/binary"
 import { produce, reconcile, type SetStoreFunction, type Store } from "solid-js/store"
-import type { Message, Part, Project, Todo } from "@/types"
 import type {
-  FileDiffInfo,
-  PermissionRequest,
-  QuestionRequest,
-  SessionInfo,
-  SessionStatus,
-} from "@opencode-ai/client/promise"
+  Message,
+  Part,
+  Project,
+  Todo,
+} from "@/types"
+import type { FileDiffInfo, PermissionRequest, QuestionRequest, SessionInfo, SessionStatus } from "@opencode-ai/client/promise"
 import type { State, VcsCache } from "./types"
 import { trimSessions } from "./session-trim"
 import { dropSessionCaches } from "./session-cache"
@@ -81,9 +81,9 @@ describe("Home V2 session index", () => {
    ])

    expect(result).toEqual([
-      expect.objectContaining({
-        id: "root",
-        location: { directory: "/project" },
+       expect.objectContaining({
+         id: "root",
+         location: { directory: "/project" },
        projectID: "project",
        title: "root",
        time: { created: 1, updated: 30 },
@@ -1,4 +1,13 @@
-import type { Agent, Config, LspStatus, Message, Part, Path, Todo, VcsInfo } from "@/types"
+import type {
+  Agent,
+  Config,
+  LspStatus,
+  Message,
+  Part,
+  Path,
+  Todo,
+  VcsInfo,
+} from "@/types"
 import type {
  FileDiffInfo,
  PermissionRequest,
@@ -67,74 +67,64 @@ function currentMessages(data: MessageResponse["data"]): SessionMessageInfo[] {
        },
      ]
    }
-    return [
-      {
-        id: item.info.id,
-        type: "assistant",
-        agent: item.info.agent,
-        model: { id: item.info.modelID, providerID: item.info.providerID, variant: item.info.variant },
-        content: item.parts.flatMap((part): SessionMessageAssistant["content"] => {
-          if (part.type === "text") return [{ type: "text", text: part.text }]
-          if (part.type === "reasoning")
-            return [
-              {
-                type: "reasoning",
-                text: part.text,
-                time: part.time ? { created: part.time.start, completed: part.time.end } : undefined,
-              },
-            ]
-          if (part.type !== "tool") return []
-          const state: SessionMessageAssistantTool["state"] = (() => {
-            if (part.state.status === "pending")
-              return { status: "streaming" as const, input: JSON.stringify(part.state.input) }
-            if (part.state.status === "running")
-              return {
-                status: "running" as const,
-                input: part.state.input as CurrentToolObject,
-                metadata: (part.state.metadata ?? {}) as CurrentToolObject,
-              }
-            if (part.state.status === "error")
-              return {
-                status: "error" as const,
-                input: part.state.input as CurrentToolObject,
-                error: { type: "tool_error", message: part.state.error },
-                metadata: part.state.metadata as CurrentToolObject | undefined,
-              }
-            return {
-              status: "completed" as const,
-              input: part.state.input as CurrentToolObject,
-              content: [{ type: "text" as const, text: part.state.output }],
-              metadata: part.state.metadata as CurrentToolObject,
-            }
-          })()
+    return [{
+      id: item.info.id,
+      type: "assistant",
+      agent: item.info.agent,
+      model: { id: item.info.modelID, providerID: item.info.providerID, variant: item.info.variant },
+      content: item.parts.flatMap((part): SessionMessageAssistant["content"] => {
+        if (part.type === "text") return [{ type: "text", text: part.text }]
+        if (part.type === "reasoning")
          return [
            {
-              id: part.id,
-              type: "tool" as const,
-              name: part.tool,
-              state,
-              time: {
-                created: part.state.status === "pending" ? item.info.time.created : part.state.time.start,
-                ran: part.state.status === "pending" ? undefined : part.state.time.start,
-                completed:
-                  part.state.status === "completed" || part.state.status === "error" ? part.state.time.end : undefined,
-              },
+              type: "reasoning",
+              text: part.text,
+              time: part.time ? { created: part.time.start, completed: part.time.end } : undefined,
            },
          ]
-        }),
-        time: item.info.time,
-        cost: item.info.cost,
-        tokens: item.info.tokens,
-        finish: item.info.finish as
-          | "stop"
-          | "length"
-          | "tool-calls"
-          | "content-filter"
-          | "error"
-          | "unknown"
-          | undefined,
-      },
-    ]
+        if (part.type !== "tool") return []
+        const state: SessionMessageAssistantTool["state"] = (() => {
+          if (part.state.status === "pending") return { status: "streaming" as const, input: JSON.stringify(part.state.input) }
+          if (part.state.status === "running")
+            return {
+              status: "running" as const,
+              input: part.state.input as CurrentToolObject,
+              metadata: (part.state.metadata ?? {}) as CurrentToolObject,
+            }
+          if (part.state.status === "error")
+            return {
+              status: "error" as const,
+              input: part.state.input as CurrentToolObject,
+              error: { type: "tool_error", message: part.state.error },
+              metadata: part.state.metadata as CurrentToolObject | undefined,
+            }
+          return {
+            status: "completed" as const,
+            input: part.state.input as CurrentToolObject,
+            content: [{ type: "text" as const, text: part.state.output }],
+            metadata: part.state.metadata as CurrentToolObject,
+          }
+        })()
+        return [
+          {
+            id: part.id,
+            type: "tool" as const,
+            name: part.tool,
+            state,
+            time: {
+              created: part.state.status === "pending" ? item.info.time.created : part.state.time.start,
+              ran: part.state.status === "pending" ? undefined : part.state.time.start,
+              completed:
+                part.state.status === "completed" || part.state.status === "error" ? part.state.time.end : undefined,
+            },
+          },
+        ]
+      }),
+      time: item.info.time,
+      cost: item.info.cost,
+      tokens: item.info.tokens,
+      finish: item.info.finish as "stop" | "length" | "tool-calls" | "content-filter" | "error" | "unknown" | undefined,
+    }]
  })
 }

@@ -438,259 +428,270 @@ describe("server session", () => {

  // V2 messages are ordered projections and do not expose V1 assistant parent IDs.
  describe.skip("V1 assistant parent projections", () => {
-    test("backfills an assistant-only initial page through its user root", async () => {
-      const user = userMessage("message-1")
-      const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
-      const client = rootMessageClient(
-        [response(assistants.map((info) => ({ info, parts: [] })))],
-        [singleResponse(user)],
-      )
-      const store = createServerSession(client)
+  test("backfills an assistant-only initial page through its user root", async () => {
+    const user = userMessage("message-1")
+    const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
+    const client = rootMessageClient(
+      [
+        response(assistants.map((info) => ({ info, parts: [] }))),
+      ],
+      [singleResponse(user)],
+    )
+    const store = createServerSession(client)

-      await store.sync("child")
+    await store.sync("child")

-      expect(client.requests).toEqual([{ sessionID: "child", limit: 20, order: "desc" }])
-      expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: user.id }])
-      expect(store.data.message.child).toEqual([user, ...assistants])
-      expect(store.history.more("child")).toBe(false)
-    })
+    expect(client.requests).toEqual([{ sessionID: "child", limit: 20, order: "desc" }])
+    expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: user.id }])
+    expect(store.data.message.child).toEqual([user, ...assistants])
+    expect(store.history.more("child")).toBe(false)
+  })

-    test("keeps assistant history when its deleted parent cannot be backfilled", async () => {
-      const missing = Promise.withResolvers<SingleMessageResponse>()
-      const assistant = assistantMessage("message-2", "message-missing")
-      const client = rootMessageClient([response([{ info: assistant, parts: [] }])], [missing.promise])
-      const store = createServerSession(client)
-      const loading = store.sync("child")
-      await client.rootRequested(1)
+  test("keeps assistant history when its deleted parent cannot be backfilled", async () => {
+    const missing = Promise.withResolvers<SingleMessageResponse>()
+    const assistant = assistantMessage("message-2", "message-missing")
+    const client = rootMessageClient([response([{ info: assistant, parts: [] }])], [missing.promise])
+    const store = createServerSession(client)
+    const loading = store.sync("child")
+    await client.rootRequested(1)

-      missing.reject(new Error("Message not found: message-missing", { cause: { status: 404 } }))
-      await loading
+    missing.reject(new Error("Message not found: message-missing", { cause: { status: 404 } }))
+    await loading

-      expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: "message-missing" }])
-      expect(store.data.message.child).toEqual([assistant])
-      expect(store.history.more("child")).toBe(false)
-    })
+    expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: "message-missing" }])
+    expect(store.data.message.child).toEqual([assistant])
+    expect(store.history.more("child")).toBe(false)
+  })

-    test("drops a cached parent when a forced refresh confirms it was deleted", async () => {
-      const missing = Promise.withResolvers<SingleMessageResponse>()
-      const parent = userMessage("message-1")
-      const part = textPart(parent.id)
-      const assistant = assistantMessage("message-2", parent.id)
-      const client = rootMessageClient(
-        [
-          response([
-            { info: parent, parts: [part] },
-            { info: assistant, parts: [] },
-          ]),
-          response([{ info: assistant, parts: [] }]),
-        ],
-        [missing.promise],
-      )
-      const store = createServerSession(client)
-      await store.sync("child")
-      const loading = store.sync("child", { force: true })
-      await client.rootRequested(1)
+  test("drops a cached parent when a forced refresh confirms it was deleted", async () => {
+    const missing = Promise.withResolvers<SingleMessageResponse>()
+    const parent = userMessage("message-1")
+    const part = textPart(parent.id)
+    const assistant = assistantMessage("message-2", parent.id)
+    const client = rootMessageClient(
+      [
+        response([
+          { info: parent, parts: [part] },
+          { info: assistant, parts: [] },
+        ]),
+        response([{ info: assistant, parts: [] }]),
+      ],
+      [missing.promise],
+    )
+    const store = createServerSession(client)
+    await store.sync("child")
+    const loading = store.sync("child", { force: true })
+    await client.rootRequested(1)

-      missing.reject(new Error(`Message not found: ${parent.id}`, { cause: { status: 404 } }))
-      await loading
+    missing.reject(new Error(`Message not found: ${parent.id}`, { cause: { status: 404 } }))
+    await loading

-      expect(store.data.message.child).toEqual([assistant])
-      expect(store.data.part[parent.id]).toBeUndefined()
-    })
+    expect(store.data.message.child).toEqual([assistant])
+    expect(store.data.part[parent.id]).toBeUndefined()
+  })

-    test("does not let an optimistic user suppress initial root backfill", async () => {
-      const user = userMessage("message-1")
-      const part = textPart(user.id)
-      const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
-      const client = rootMessageClient(
-        [response(assistants.map((info) => ({ info, parts: [] })))],
-        [singleResponse(user)],
-      )
-      const store = createServerSession(client)
-      store.optimistic.add({ sessionID: "child", message: user, parts: [part] })
+  test("does not let an optimistic user suppress initial root backfill", async () => {
+    const user = userMessage("message-1")
+    const part = textPart(user.id)
+    const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
+    const client = rootMessageClient(
+      [
+        response(assistants.map((info) => ({ info, parts: [] }))),
+      ],
+      [singleResponse(user)],
+    )
+    const store = createServerSession(client)
+    store.optimistic.add({ sessionID: "child", message: user, parts: [part] })

-      await store.sync("child")
-      store.optimistic.remove({ sessionID: "child", messageID: user.id })
+    await store.sync("child")
+    store.optimistic.remove({ sessionID: "child", messageID: user.id })

-      expect(client.requests).toHaveLength(1)
-      expect(client.rootRequests).toHaveLength(1)
-      expect(store.data.message.child).toEqual([user, ...assistants])
-    })
+    expect(client.requests).toHaveLength(1)
+    expect(client.rootRequests).toHaveLength(1)
+    expect(store.data.message.child).toEqual([user, ...assistants])
+  })

-    test("backfills the parent of fetched assistants when another user is cached", async () => {
-      const unrelated = userMessage("message-0", { time: { created: 0 } })
-      const user = userMessage("message-1")
-      const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
-      const client = rootMessageClient(
-        [response([{ info: unrelated, parts: [] }]), response(assistants.map((info) => ({ info, parts: [] })))],
-        [singleResponse(user)],
-      )
-      const store = createServerSession(client)
-      await store.sync("child")
+  test("backfills the parent of fetched assistants when another user is cached", async () => {
+    const unrelated = userMessage("message-0", { time: { created: 0 } })
+    const user = userMessage("message-1")
+    const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
+    const client = rootMessageClient(
+      [
+        response([{ info: unrelated, parts: [] }]),
+        response(assistants.map((info) => ({ info, parts: [] }))),
+      ],
+      [singleResponse(user)],
+    )
+    const store = createServerSession(client)
+    await store.sync("child")

-      await store.sync("child", { force: true })
+    await store.sync("child", { force: true })

-      expect(client.requests).toHaveLength(2)
-      expect(client.rootRequests).toHaveLength(1)
-      expect(store.data.message.child).toEqual([unrelated, user, ...assistants])
-    })
+    expect(client.requests).toHaveLength(2)
+    expect(client.rootRequests).toHaveLength(1)
+    expect(store.data.message.child).toEqual([unrelated, user, ...assistants])
+  })

-    test("preserves cached history between an injected parent and the page boundary", async () => {
-      const user = userMessage("message-1")
-      const cached = userMessage("message-3", { time: { created: 3 } })
-      const assistant = assistantMessage("message-4", user.id)
-      const client = rootMessageClient(
-        [response([{ info: cached, parts: [] }]), response([{ info: assistant, parts: [] }])],
-        [singleResponse(user)],
-      )
-      const store = createServerSession(client)
-      await store.sync("child")
+  test("preserves cached history between an injected parent and the page boundary", async () => {
+    const user = userMessage("message-1")
+    const cached = userMessage("message-3", { time: { created: 3 } })
+    const assistant = assistantMessage("message-4", user.id)
+    const client = rootMessageClient(
+      [response([{ info: cached, parts: [] }]), response([{ info: assistant, parts: [] }])],
+      [singleResponse(user)],
+    )
+    const store = createServerSession(client)
+    await store.sync("child")

-      await store.sync("child", { force: true })
+    await store.sync("child", { force: true })

-      expect(store.data.message.child).toEqual([user, cached, assistant])
-    })
+    expect(store.data.message.child).toEqual([user, cached, assistant])
+  })

-    test("refreshes a cached parent omitted by an assistant-only replacement page", async () => {
-      const stale = userMessage("message-1", { summary: { title: "stale", diffs: [] } })
-      const fresh = { ...stale, summary: { title: "fresh", diffs: [] } }
-      const stalePart = textPart(stale.id, { text: "stale" })
-      const freshPart = { ...stalePart, text: "fresh" }
-      const assistant = assistantMessage("message-2", stale.id)
-      const client = rootMessageClient(
-        [response([{ info: stale, parts: [stalePart] }]), response([{ info: assistant, parts: [] }])],
-        [singleResponse(fresh, [freshPart])],
-      )
-      const store = createServerSession(client)
-      await store.sync("child")
+  test("refreshes a cached parent omitted by an assistant-only replacement page", async () => {
+    const stale = userMessage("message-1", { summary: { title: "stale", diffs: [] } })
+    const fresh = { ...stale, summary: { title: "fresh", diffs: [] } }
+    const stalePart = textPart(stale.id, { text: "stale" })
+    const freshPart = { ...stalePart, text: "fresh" }
+    const assistant = assistantMessage("message-2", stale.id)
+    const client = rootMessageClient(
+      [response([{ info: stale, parts: [stalePart] }]), response([{ info: assistant, parts: [] }])],
+      [singleResponse(fresh, [freshPart])],
+    )
+    const store = createServerSession(client)
+    await store.sync("child")

-      await store.sync("child", { force: true })
+    await store.sync("child", { force: true })

-      expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: stale.id }])
-      expect(store.data.message.child).toEqual([fresh, assistant])
-      expect(store.data.part[stale.id]).toEqual([freshPart])
-    })
+    expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: stale.id }])
+    expect(store.data.message.child).toEqual([fresh, assistant])
+    expect(store.data.part[stale.id]).toEqual([freshPart])
+  })

-    test("refreshes a confirmed optimistic parent while preserving pending parts", async () => {
-      const stale = userMessage("message-1", { summary: { title: "stale", diffs: [] } })
-      const fresh = { ...stale, summary: { title: "fresh", diffs: [] } }
-      const confirmed = textPart(stale.id, { id: "confirmed", text: "stale" })
-      const refreshed = { ...confirmed, text: "fresh" }
-      const pending = textPart(stale.id, { id: "pending", text: "pending" })
-      const assistant = assistantMessage("message-2", stale.id)
-      const client = rootMessageClient(
-        [response([{ info: stale, parts: [confirmed] }]), response([{ info: assistant, parts: [] }])],
-        [singleResponse(fresh, [refreshed])],
-      )
-      const store = createServerSession(client)
-      store.optimistic.add({ sessionID: "child", message: stale, parts: [confirmed, pending] })
-      await store.sync("child")
+  test("refreshes a confirmed optimistic parent while preserving pending parts", async () => {
+    const stale = userMessage("message-1", { summary: { title: "stale", diffs: [] } })
+    const fresh = { ...stale, summary: { title: "fresh", diffs: [] } }
+    const confirmed = textPart(stale.id, { id: "confirmed", text: "stale" })
+    const refreshed = { ...confirmed, text: "fresh" }
+    const pending = textPart(stale.id, { id: "pending", text: "pending" })
+    const assistant = assistantMessage("message-2", stale.id)
+    const client = rootMessageClient(
+      [response([{ info: stale, parts: [confirmed] }]), response([{ info: assistant, parts: [] }])],
+      [singleResponse(fresh, [refreshed])],
+    )
+    const store = createServerSession(client)
+    store.optimistic.add({ sessionID: "child", message: stale, parts: [confirmed, pending] })
+    await store.sync("child")

-      await store.sync("child", { force: true })
+    await store.sync("child", { force: true })

-      expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: stale.id }])
-      expect(store.data.message.child).toEqual([fresh, assistant])
-      expect(store.data.part[stale.id]).toEqual([refreshed, pending])
-    })
+    expect(client.rootRequests).toEqual([{ sessionID: "child", messageID: stale.id }])
+    expect(store.data.message.child).toEqual([fresh, assistant])
+    expect(store.data.part[stale.id]).toEqual([refreshed, pending])
+  })

-    test("uses a parent received by SSE during the replacement load", async () => {
-      const pending = deferredResponse()
-      const user = userMessage("message-1")
-      const assistant = assistantMessage("message-2", user.id)
-      const client = rootMessageClient([pending.promise], [])
-      const store = createServerSession(client)
-      const loading = store.sync("child")
+  test("uses a parent received by SSE during the replacement load", async () => {
+    const pending = deferredResponse()
+    const user = userMessage("message-1")
+    const assistant = assistantMessage("message-2", user.id)
+    const client = rootMessageClient([pending.promise], [])
+    const store = createServerSession(client)
+    const loading = store.sync("child")

-      store.apply({ type: "message.updated", properties: { info: user } })
-      pending.resolve(response([{ info: assistant, parts: [] }]))
-      await loading
+    store.apply({ type: "message.updated", properties: { info: user } })
+    pending.resolve(response([{ info: assistant, parts: [] }]))
+    await loading

-      expect(client.rootRequests).toEqual([])
-      expect(store.data.message.child).toEqual([user, assistant])
-    })
+    expect(client.rootRequests).toEqual([])
+    expect(store.data.message.child).toEqual([user, assistant])
+  })

-    test("uses a successful retry over events received by a failed backfill attempt", async () => {
-      const failed = deferredResponse()
-      const user = userMessage("message-1")
-      const live = { ...user, agent: "stale" }
-      const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
-      const client = rootMessageClient(
-        [response(assistants.map((info) => ({ info, parts: [] })))],
-        [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
-      )
-      const store = createServerSession(client, { retry: retryImmediately })
-      const loading = store.sync("child")
-      await client.rootRequested(1)
+  test("uses a successful retry over events received by a failed backfill attempt", async () => {
+    const failed = deferredResponse()
+    const user = userMessage("message-1")
+    const live = { ...user, agent: "stale" }
+    const assistants = [assistantMessage("message-2", user.id), assistantMessage("message-3", user.id)]
+    const client = rootMessageClient(
+      [
+        response(
+          assistants.map((info) => ({ info, parts: [] })),
+        ),
+      ],
+      [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
+    )
+    const store = createServerSession(client, { retry: retryImmediately })
+    const loading = store.sync("child")
+    await client.rootRequested(1)

-      store.apply({ type: "message.updated", properties: { info: live } })
-      failed.reject(new Error("retry"))
-      await loading
+    store.apply({ type: "message.updated", properties: { info: live } })
+    failed.reject(new Error("retry"))
+    await loading

-      expect(client.requests).toHaveLength(1)
-      expect(client.rootRequests).toHaveLength(2)
-      expect(store.data.message.child).toEqual([user, ...assistants])
-    })
+    expect(client.requests).toHaveLength(1)
+    expect(client.rootRequests).toHaveLength(2)
+    expect(store.data.message.child).toEqual([user, ...assistants])
+  })

-    test("preserves newer-page events across a failed parent retry", async () => {
-      const failed = deferredResponse()
-      const user = userMessage("message-1")
-      const assistant = assistantMessage("message-2", user.id)
-      const live = { ...assistant, cost: 1 }
-      const client = rootMessageClient(
-        [response([{ info: assistant, parts: [] }])],
-        [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
-      )
-      const store = createServerSession(client, { retry: retryImmediately })
-      const loading = store.sync("child")
-      await client.rootRequested(1)
+  test("preserves newer-page events across a failed parent retry", async () => {
+    const failed = deferredResponse()
+    const user = userMessage("message-1")
+    const assistant = assistantMessage("message-2", user.id)
+    const live = { ...assistant, cost: 1 }
+    const client = rootMessageClient(
+      [response([{ info: assistant, parts: [] }])],
+      [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
+    )
+    const store = createServerSession(client, { retry: retryImmediately })
+    const loading = store.sync("child")
+    await client.rootRequested(1)

-      store.apply({ type: "message.updated", properties: { info: live } })
-      failed.reject(new Error("retry"))
-      await loading
+    store.apply({ type: "message.updated", properties: { info: live } })
+    failed.reject(new Error("retry"))
+    await loading

-      expect(store.data.message.child).toEqual([user, live])
-    })
+    expect(store.data.message.child).toEqual([user, live])
+  })

-    test("preserves unrelated message events across a failed parent retry", async () => {
-      const failed = deferredResponse()
-      const user = userMessage("message-1")
-      const assistant = assistantMessage("message-2", user.id)
-      const live = userMessage("message-4", { time: { created: 4 } })
-      const client = rootMessageClient(
-        [response([{ info: assistant, parts: [] }])],
-        [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
-      )
-      const store = createServerSession(client, { retry: retryImmediately })
-      const loading = store.sync("child")
-      await client.rootRequested(1)
+  test("preserves unrelated message events across a failed parent retry", async () => {
+    const failed = deferredResponse()
+    const user = userMessage("message-1")
+    const assistant = assistantMessage("message-2", user.id)
+    const live = userMessage("message-4", { time: { created: 4 } })
+    const client = rootMessageClient(
+      [response([{ info: assistant, parts: [] }])],
+      [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
+    )
+    const store = createServerSession(client, { retry: retryImmediately })
+    const loading = store.sync("child")
+    await client.rootRequested(1)

-      store.apply({ type: "message.updated", properties: { info: live } })
-      failed.reject(new Error("retry"))
-      await loading
+    store.apply({ type: "message.updated", properties: { info: live } })
+    failed.reject(new Error("retry"))
+    await loading

-      expect(store.data.message.child).toEqual([user, assistant, live])
-    })
+    expect(store.data.message.child).toEqual([user, assistant, live])
+  })

-    test("preserves newer-page part events across a failed parent retry", async () => {
-      const failed = deferredResponse()
-      const user = userMessage("message-1")
-      const assistant = assistantMessage("message-2", user.id)
-      const stale = textPart(assistant.id, { text: "stale" })
-      const live = { ...stale, text: "live" }
-      const client = rootMessageClient(
-        [response([{ info: assistant, parts: [stale] }])],
-        [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
-      )
-      const store = createServerSession(client, { retry: retryImmediately })
-      const loading = store.sync("child")
-      await client.rootRequested(1)
+  test("preserves newer-page part events across a failed parent retry", async () => {
+    const failed = deferredResponse()
+    const user = userMessage("message-1")
+    const assistant = assistantMessage("message-2", user.id)
+    const stale = textPart(assistant.id, { text: "stale" })
+    const live = { ...stale, text: "live" }
+    const client = rootMessageClient(
+      [response([{ info: assistant, parts: [stale] }])],
+      [failed.promise.then((result) => ({ data: result.data[0]! })), singleResponse(user)],
+    )
+    const store = createServerSession(client, { retry: retryImmediately })
+    const loading = store.sync("child")
+    await client.rootRequested(1)

-      store.apply({ type: "message.part.updated", properties: { sessionID: "child", part: live, time: 2 } })
-      failed.reject(new Error("retry"))
-      await loading
+    store.apply({ type: "message.part.updated", properties: { sessionID: "child", part: live, time: 2 } })
+    failed.reject(new Error("retry"))
+    await loading

-      expect(store.data.part[assistant.id]).toEqual([live])
-    })
+    expect(store.data.part[assistant.id]).toEqual([live])
+  })
  })

  test("merges live events into the initial page", async () => {
@@ -1,7 +1,11 @@
 import { Binary } from "@opencode-ai/core/util/binary"
 import { retry } from "@opencode-ai/core/util/retry"
 import type { OpenCodeEvent, SessionApi, SessionInfo, SessionMessageInfo } from "@opencode-ai/client/promise"
-import type { Message, Part, Todo } from "@/types"
+import type {
+  Message,
+  Part,
+  Todo,
+} from "@/types"
 import type { FileDiffInfo, PermissionRequest, QuestionRequest, SessionStatus } from "@opencode-ai/client/promise"
 import { batch } from "solid-js"
 import { createStore, produce, reconcile } from "solid-js/store"
@@ -34,16 +38,14 @@ function projectMessageSource(message: Message): SessionMessageInfo[] {
      { id: message.id, type: "user", text: "", time: message.time },
    ]
  }
-  return [
-    {
-      id: message.id,
-      type: "assistant",
-      agent: message.agent ?? message.mode,
-      model: { id: message.modelID, providerID: message.providerID, variant: message.variant },
-      content: [],
-      time: message.time,
-    },
-  ]
+  return [{
+    id: message.id,
+    type: "assistant",
+    agent: message.agent ?? message.mode,
+    model: { id: message.modelID, providerID: message.providerID, variant: message.variant },
+    content: [],
+    time: message.time,
+  }]
 }

 function needsOlderTurnRoot(source: readonly SessionMessageInfo[]) {
@@ -241,7 +243,11 @@ export function createServerSession(
  const indexProjectedMessage = (message: Message) => {
    const current = data.session_message[message.sessionID] ?? []
    if (current.some((item) => item.id === message.id)) return
-    setData("session_message", message.sessionID, reconcile([...current, ...projectMessageSource(message)]))
+    setData(
+      "session_message",
+      message.sessionID,
+      reconcile([...current, ...projectMessageSource(message)]),
+    )
  }

  const remember = (session: SessionInfo) => {
@@ -1,4 +1,9 @@
-import type { Config, Path, Project, ProviderAuthResponse } from "@/types"
+import type {
+  Config,
+  Path,
+  Project,
+  ProviderAuthResponse,
+} from "@/types"
 import { showToast } from "@/utils/toast"
 import { getFilename } from "@opencode-ai/core/util/path"
 import { type Accessor, batch, createMemo, getOwner, onCleanup, onMount, untrack } from "solid-js"
@@ -159,11 +164,15 @@ export function seedActiveSessionStatuses(
  }
 }

-function makeQueryOptionsApi(scope: ServerScope, serverAPI: ServerApi) {
+function makeQueryOptionsApi(
+  scope: ServerScope,
+  serverAPI: ServerApi,
+) {
  return {
    globalConfig: () => loadGlobalConfigQuery(scope),
    projects: () => loadProjectsQuery(scope, serverAPI.project),
-    providers: (directory: PathKey | null) => loadProvidersQuery(scope, directory, serverAPI),
+    providers: (directory: PathKey | null) =>
+      loadProvidersQuery(scope, directory, serverAPI),
    path: (directory: PathKey | null) => loadPathQuery(scope, directory, serverAPI.location),
    agents: (directory: PathKey) => loadAgentsQuery(scope, directory, serverAPI.agent),
    references: (directory: PathKey) => loadReferencesQuery(scope, directory, serverAPI.reference),
@@ -662,13 +671,13 @@ export function createServerSyncContextInner(serverSDK: ServerSDK) {
              integrationID: server.integrationID,
              location: { directory: key },
            })
-            const method = integration.data?.methods.find((item) => item.type === "oauth" && !item.forms?.length)
+            const method = integration.data?.methods.find((item) => item.type === "oauth" && !item.prompts?.length)
            if (!method || method.type !== "oauth")
              throw new Error(`MCP server ${name} requires an interactive authentication form`)
            const attempt = await serverSDK.api.integration.oauth.connect({
              integrationID: server.integrationID,
              methodID: method.id,
-              answers: {},
+              inputs: {},
              location: { directory: key },
            })
            platform.openLink(attempt.data.url)
@@ -268,13 +268,10 @@ function createWorkspaceTerminalSession(
    const index = store.all.findIndex((x) => x.id === id)
    const pty = store.all[index]
    if (!pty) return
-    const data = await sdk.api.pty
-      .create({ location, title: pty.title })
-      .then((result) => result.data)
-      .catch((error: unknown) => {
-        console.error("Failed to clone terminal", error)
-        return undefined
-      })
+    const data = await sdk.api.pty.create({ location, title: pty.title }).then((result) => result.data).catch((error: unknown) => {
+      console.error("Failed to clone terminal", error)
+      return undefined
+    })
    if (!data?.id) return

    const active = store.active === pty.id
@@ -45,7 +45,13 @@ import { StickyAccordionHeader } from "@opencode-ai/ui/sticky-accordion-header"
 import { TextField } from "@opencode-ai/ui/text-field"
 import { TextReveal } from "@opencode-ai/ui/text-reveal"
 import { TextShimmer } from "@opencode-ai/ui/text-shimmer"
-import type { AssistantMessage, Message as MessageType, Part as PartType, ToolPart, UserMessage } from "@/types"
+import type {
+  AssistantMessage,
+  Message as MessageType,
+  Part as PartType,
+  ToolPart,
+  UserMessage,
+} from "@/types"
 import { showToast } from "@/utils/toast"
 import { getDirectory, getFilename } from "@opencode-ai/core/util/path"
 import { Popover as KobaltePopover } from "@kobalte/core/popover"
@@ -54,9 +54,9 @@ describe("reviewDiffNeedsLoad", () => {
        patch: "@@ -0,0 +1 @@\n+value",
      }),
    ).toBe(false)
-    expect(reviewDiffNeedsLoad({ file: "empty.txt", patch: "", additions: 0, deletions: 0, status: "modified" })).toBe(
-      false,
-    )
+    expect(
+      reviewDiffNeedsLoad({ file: "empty.txt", patch: "", additions: 0, deletions: 0, status: "modified" }),
+    ).toBe(false)
  })
 })

@@ -1,4 +1,8 @@
-import type { EventSubscribeOutput, FileDiffInfo, ProjectListOutput } from "@opencode-ai/client/promise"
+import type {
+  EventSubscribeOutput,
+  FileDiffInfo,
+  ProjectListOutput,
+} from "@opencode-ai/client/promise"
 import type { NormalizedProviderListResponse } from "@opencode-ai/session-ui/context"

 export type Project = Omit<ProjectListOutput[number], "canonical"> & { worktree: string }
@@ -22,6 +22,5 @@
    }
  },
  "include": ["src", "package.json"],
-  "exclude": ["dist", "ts-dist"],
-  "references": [{ "path": "../core" }]
+  "exclude": ["dist", "ts-dist"]
 }
@@ -119,15 +119,7 @@ function installPackage(name) {
  try {
    const result = childProcess.spawnSync(
      "npm",
-      [
-        "install",
-        "--ignore-scripts",
-        "--no-save",
-        "--loglevel=error",
-        "--prefix",
-        temp,
-        `${name}@${dependencies[name]}`,
-      ],
+      ["install", "--ignore-scripts", "--no-save", "--loglevel=error", "--prefix", temp, `${name}@${dependencies[name]}`],
      { stdio: "inherit", windowsHide: true },
    )
    if (result.status !== 0) return false
@@ -158,9 +150,7 @@ function main() {
    }
  }

-  throw new Error(
-    `Failed to install OpenCode. Try manually installing ${names.map((name) => JSON.stringify(name)).join(" or ")}.`,
-  )
+  throw new Error(`Failed to install OpenCode. Try manually installing ${names.map((name) => JSON.stringify(name)).join(" or ")}.`)
 }

 try {
@@ -40,13 +40,15 @@ try {
  const token = encodeURIComponent(credential)
  const health = await waitForReady(info.url, headers)
  if (health.pid !== info.pid) throw new Error("Health process does not match registration")
-  const tokenHealth = await fetch(new URL(`/api/health?auth_token=${token}`, info.url), {
-    signal: AbortSignal.timeout(5_000),
-  })
+  const tokenHealth = await fetch(
+    new URL(`/api/health?auth_token=${token}`, info.url),
+    { signal: AbortSignal.timeout(5_000) },
+  )
  if (tokenHealth.status !== 200) throw new Error("Compiled service rejected query authentication")
-  const tokenOpenApi = await fetch(new URL(`/openapi.json?auth_token=${token}`, info.url), {
-    signal: AbortSignal.timeout(5_000),
-  })
+  const tokenOpenApi = await fetch(
+    new URL(`/openapi.json?auth_token=${token}`, info.url),
+    { signal: AbortSignal.timeout(5_000) },
+  )
  if (tokenOpenApi.status !== 200) throw new Error("Compiled application rejected query authentication")
  if ((await pluginIDs(info.url, headers)).includes("smoke")) throw new Error("Smoke plugin existed before creation")
  const plugin = path.join(root, ".opencode", "plugins", "smoke.ts")
@@ -61,8 +63,7 @@ try {
  const unauthorizedOpenApi = await fetch(new URL("/openapi.json", info.url), {
    signal: AbortSignal.timeout(5_000),
  })
-  if (unauthorizedOpenApi.status !== 401)
-    throw new Error("Compiled service exposed application routes without authentication")
+  if (unauthorizedOpenApi.status !== 401) throw new Error("Compiled service exposed application routes without authentication")
  const unauthorizedStop = await fetch(new URL("/api/service/stop", info.url), {
    method: "POST",
    headers: { "content-type": "application/json" },
@@ -93,8 +94,7 @@ try {
 } finally {
  processes.forEach((process) => process.kill())
  await Promise.all(processes.map((process) => process.exited))
-  if (failure)
-    errors.push(fs.readFile(path.join(root, "data", "opencode", "log", "opencode.log"), "utf8").catch(() => ""))
+  if (failure) errors.push(fs.readFile(path.join(root, "data", "opencode", "log", "opencode.log"), "utf8").catch(() => ""))
 }

 const output = await Promise.all(errors)
@@ -154,7 +154,9 @@ async function pluginIDs(url: string, headers: HeadersInit) {
    throw new Error("Compiled service returned an invalid plugin list")
  }
  return body.data.flatMap((plugin) =>
-    typeof plugin === "object" && plugin !== null && "id" in plugin && typeof plugin.id === "string" ? [plugin.id] : [],
+    typeof plugin === "object" && plugin !== null && "id" in plugin && typeof plugin.id === "string"
+      ? [plugin.id]
+      : [],
  )
 }

@@ -50,7 +50,7 @@ const login = Effect.fn("cli.console.login.run")(function* (timeline: TimelineHo
      {
        integrationID,
        methodID: method.id,
-        answers: server ? { server } : {},
+        inputs: server ? { server } : {},
        location,
      },
      { signal },
@@ -20,8 +20,7 @@ export default Runtime.handler(
              return response.text()
            })
          : Bun.file(input.file).text(),
-      catch: (cause) =>
-        new Error(`Failed to read session data: ${cause instanceof Error ? cause.message : String(cause)}`),
+      catch: (cause) => new Error(`Failed to read session data: ${cause instanceof Error ? cause.message : String(cause)}`),
    })
    const data = yield* Schema.decodeUnknownEffect(Schema.fromJsonString(SessionTransfer.Data))(text)
    const encoded = Schema.encodeSync(SessionTransfer.Data)(data)
@@ -53,9 +52,9 @@ export default Runtime.handler(
      return
    }
    if (!response.ok) yield* Effect.fail(new Error(`Failed to import session: ${response.statusText}`))
-    const imported = yield* Schema.decodeUnknownEffect(Schema.fromJsonString(Schema.Struct({ data: Session.Info })))(
-      yield* Effect.promise(() => response.text()),
-    )
+    const imported = yield* Schema.decodeUnknownEffect(
+      Schema.fromJsonString(Schema.Struct({ data: Session.Info })),
+    )(yield* Effect.promise(() => response.text()))
    process.stdout.write(`Imported session: ${imported.data.id}${EOL}`)
  }),
 )
@@ -32,7 +32,7 @@ export default Runtime.handler(
      return yield* Effect.fail(new Error(`MCP server "${input.name}" is not an OAuth-capable remote server`))

    const started = yield* Effect.promise(() =>
-      client.integration.oauth.connect({ integrationID: integration.id, methodID: method.id, answers: {}, location }),
+      client.integration.oauth.connect({ integrationID: integration.id, methodID: method.id, inputs: {}, location }),
    )
    const attempt = started.data
    if (attempt.mode === "code")
@@ -36,6 +36,8 @@ export default Runtime.handler(

    const hostname = new URL(endpoint.url).hostname
    if (!["localhost", "127.0.0.1", "[::1]"].includes(hostname)) return
-    process.stderr.write(`  Run \`opencode service set hostname 0.0.0.0\` to access the service remotely.${EOL}${EOL}`)
+    process.stderr.write(
+      `  Run \`opencode service set hostname 0.0.0.0\` to access the service remotely.${EOL}${EOL}`,
+    )
  }),
 )
@@ -48,16 +48,12 @@ export function migrateV1(legacy: TuiConfigV1.Info | undefined, kv: Record<strin
  const attentionSoundPack = kv.attention_sound_pack
  const diffView = kv.diff_viewer_view ?? (legacy?.diff_style === "stacked" ? "unified" : undefined)
  const thinking =
-    kv.thinking_mode ?? (kv.thinking_visibility === undefined ? undefined : kv.thinking_visibility ? "show" : "hide")
+    kv.thinking_mode ??
+    (kv.thinking_visibility === undefined ? undefined : kv.thinking_visibility ? "show" : "hide")

  return {
    ...(themeName !== undefined || themeMode !== undefined
-      ? {
-          theme: {
-            ...(themeName === undefined ? {} : { name: themeName }),
-            ...(themeMode === undefined ? {} : { mode: themeMode }),
-          },
-        }
+      ? { theme: { ...(themeName === undefined ? {} : { name: themeName }), ...(themeMode === undefined ? {} : { mode: themeMode }) } }
      : {}),
    ...(legacy?.keybinds === undefined ? {} : { keybinds: legacy.keybinds }),
    ...(plugins.length ? { plugins } : {}),
@@ -468,7 +468,10 @@ export async function runNonInteractivePrompt(input: Input) {
        continue
      }
      if (event.type === "session.step.failed") {
-        if (input.compatibility === "v1" && event.data.error.message === "The provider response ended unexpectedly.") {
+        if (
+          input.compatibility === "v1" &&
+          event.data.error.message === "The provider response ended unexpectedly."
+        ) {
          pendingStep = undefined
          v1InvalidOutput = true
          continue
@@ -62,7 +62,10 @@ function managedService(options: EnsureOptions) {
  }
 }

-const resolveManaged = Effect.fnUntraced(function* (options: EnsureOptions, mismatch: NonNullable<Args["mismatch"]>) {
+const resolveManaged = Effect.fnUntraced(function* (
+  options: EnsureOptions,
+  mismatch: NonNullable<Args["mismatch"]>,
+) {
  if (mismatch === "replace") return yield* Service.ensure(options)
  if (mismatch === "ignore") return yield* Service.ensure({ ...options, version: undefined })

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Aiden Cline	ab03b05c00	fix(ai): replay function call item ids	2026-08-07 22:30:52 -05:00
Aiden Cline	0f67def34d	fix(ai): keep response ids provider-owned	2026-08-07 17:15:00 -05:00
Aiden Cline	0657dcbad2	fix(ai): stop generating response item ids	2026-08-07 14:26:50 -05:00
Aiden Cline	82afcfd4e0	fix(ai): generate uuidv7 item ids	2026-08-07 14:04:15 -05:00
Aiden Cline	a1cbcc8641	fix(ai): preserve responses item ids	2026-08-07 12:57:48 -05:00