fix(core): move branch watch into Vcs

LocationWatcher only existed to republish git/hg metadata as filesystem.changed for Vcs. Nothing else consumed those events. Vcs now owns the Parcel watch, same as skills and config.
fix(core): restore parcel watch for git HEAD
2026-08-11 12:10:01 -04:00 · 2026-08-10 17:46:45 -05:00 · 2026-08-10 17:35:50 -05:00 · 2026-08-10 17:24:05 -05:00 · 2026-08-10 22:51:39 +02:00 · 2026-08-10 15:25:55 -05:00
66 changed files with 1792 additions and 860 deletions
@@ -613,9 +613,9 @@
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-        "@opentui/core": ">=0.4.5",
-        "@opentui/keymap": ">=0.4.5",
-        "@opentui/solid": ">=0.4.5",
+        "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+        "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+        "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
        "solid-js": ">=1.9.0",
      },
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@@ -903,7 +903,6 @@
        "@opentui/keymap": "catalog:",
        "@opentui/solid": "catalog:",
        "@solid-primitives/event-bus": "1.1.2",
-        "clipboardy": "4.0.0",
        "effect": "catalog:",
        "fuzzysort": "catalog:",
        "get-east-asian-width": "catalog:",
@@ -1089,9 +1088,9 @@
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-    "@opentui/keymap": "catalog:",
-    "@opentui/solid": "catalog:",
+    "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
    "@types/bun": "catalog:",
    "@types/node": "catalog:",
    "effect": "catalog:",
@@ -1109,9 +1108,9 @@
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-    "@opentui/keymap": "0.4.5",
-    "@opentui/solid": "0.4.5",
+    "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
    "@pierre/diffs": "1.2.10",
    "@playwright/test": "1.59.1",
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@@ -2169,27 +2168,27 @@

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@@ -3539,7 +3538,7 @@

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@@ -3623,8 +3622,6 @@

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-
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@@ -4041,7 +4038,7 @@

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@@ -4933,7 +4928,7 @@

    "npm-registry-fetch": ["npm-registry-fetch@19.1.1", "", { "dependencies": { "@npmcli/redact": "^4.0.0", "jsonparse": "^1.3.1", "make-fetch-happen": "^15.0.0", "minipass": "^7.0.2", "minipass-fetch": "^5.0.0", "minizlib": "^3.0.1", "npm-package-arg": "^13.0.0", "proc-log": "^6.0.0" } }, "sha512-TakBap6OM1w0H73VZVDf44iFXsOS3h+L4wVMXmbWOQroZgFhMch0juN6XSzBNlD965yIKvWg2dfu7NSiaYLxtw=="],

-    "npm-run-path": ["npm-run-path@5.3.0", "", { "dependencies": { "path-key": "^4.0.0" } }, "sha512-ppwTtiJZq0O/ai0z7yfudtBpWIoxM8yE6nHi1X47eFR2EWORqfbu6CnPlNsjeN683eT0qG6H/Pyf9fCcvjnnnQ=="],
+    "npm-run-path": ["npm-run-path@4.0.1", "", { "dependencies": { "path-key": "^3.0.0" } }, "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw=="],

    "nth-check": ["nth-check@2.1.1", "", { "dependencies": { "boolbase": "^1.0.0" } }, "sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w=="],

@@ -4959,7 +4954,7 @@

    "once": ["once@1.4.0", "", { "dependencies": { "wrappy": "1" } }, "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w=="],

-    "onetime": ["onetime@6.0.0", "", { "dependencies": { "mimic-fn": "^4.0.0" } }, "sha512-1FlR+gjXK7X+AsAHso35MnyN5KqGwJRi/31ft6x0M194ht7S+rWAvd7PHss9xSKMzE0asv1pyIHaJYq+BbacAQ=="],
+    "onetime": ["onetime@5.1.2", "", { "dependencies": { "mimic-fn": "^2.1.0" } }, "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg=="],

    "oniguruma-parser": ["oniguruma-parser@0.12.2", "", {}, "sha512-6HVa5oIrgMC6aA6WF6XyyqbhRPJrKR02L20+2+zpDtO5QAzGHAUGw5TKQvwi5vctNnRHkJYmjAhRVQF2EKdTQw=="],

@@ -5561,7 +5556,7 @@

    "strip-bom-string": ["strip-bom-string@1.0.0", "", {}, "sha512-uCC2VHvQRYu+lMh4My/sFNmF2klFymLX1wHJeXnbEJERpV/ZsVuonzerjfrGpIGF7LBVa1O7i9kjiWvJiFck8g=="],

-    "strip-final-newline": ["strip-final-newline@3.0.0", "", {}, "sha512-dOESqjYr96iWYylGObzd39EuNTa5VJxyvVAEm5Jnh7KGo75V43Hk1odPQkNDyXNmUR6k+gEiDVXnjB8HJ3crXw=="],
+    "strip-final-newline": ["strip-final-newline@2.0.0", "", {}, "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA=="],

    "strip-indent": ["strip-indent@3.0.0", "", { "dependencies": { "min-indent": "^1.0.0" } }, "sha512-laJTa3Jb+VQpaC6DseHhF7dXVqHTfJPCRDaEbid/drOhgitgYku/letMUqOXFoWV0zIIUbjpdH2t+tYj4bQMRQ=="],

@@ -5593,8 +5588,6 @@

    "svgo": ["svgo@4.0.2", "", { "dependencies": { "commander": "^11.1.0", "css-select": "^5.1.0", "css-tree": "^3.0.1", "css-what": "^6.1.0", "csso": "^5.0.5", "picocolors": "^1.1.1", "sax": "^1.5.0" }, "bin": "./bin/svgo.js" }, "sha512-ekx94z1rRc5LDi6oSUaeRnYhd0UOJxdtQCL2rF8xpWxD3TPAsISWOrxezqGovqS38GRZOdpDfvQe3ts6F7nsng=="],

-    "system-architecture": ["system-architecture@0.1.0", "", {}, "sha512-ulAk51I9UVUyJgxlv9M6lFot2WP3e7t8Kz9+IS6D4rVba1tR9kON+Ey69f+1R4Q8cd45Lod6a4IcJIxnzGc/zA=="],
-
    "tagged-tag": ["tagged-tag@1.0.0", "", {}, "sha512-yEFYrVhod+hdNyx7g5Bnkkb0G6si8HJurOoOEgC8B/O0uXLHlaey/65KRv6cuWBNhBgHKAROVpc7QyYqE5gFng=="],

    "tailwindcss": ["tailwindcss@4.1.11", "", {}, "sha512-2E9TBm6MDD/xKYe+dvJZAmg3yxIEDNRc0jwlNyDg/4Fil2QcSLjFKGVff0lAf1jjeaArlG/M75Ey/EYr/OJtBA=="],
@@ -6533,8 +6526,6 @@

    "@vercel/cli-config/zod": ["zod@4.1.11", "", {}, "sha512-WPsqwxITS2tzx1bzhIKsEs19ABD5vmCVa4xBo2tq/SrV4RNZtfws1EnCWQXM6yh8bD08a1idvkB5MZSBiZsjwg=="],

-    "@vercel/cli-exec/execa": ["execa@5.1.1", "", { "dependencies": { "cross-spawn": "^7.0.3", "get-stream": "^6.0.0", "human-signals": "^2.1.0", "is-stream": "^2.0.0", "merge-stream": "^2.0.0", "npm-run-path": "^4.0.1", "onetime": "^5.1.2", "signal-exit": "^3.0.3", "strip-final-newline": "^2.0.0" } }, "sha512-8uSpZZocAZRBAPIEINJj3Lo9HyGitllczc27Eh5YYojjMFMn8yHMDMaUHE2Jqfq05D/wucwI4JGURyXt1vchyg=="],
-
    "@vercel/functions/@vercel/oidc": ["@vercel/oidc@3.8.1", "", { "dependencies": { "@vercel/cli-config": "0.2.1", "@vercel/cli-exec": "1.0.0", "jose": "^5.9.6" } }, "sha512-ufdalm2MWOYksyj8KVpWjoOFPJO6zoYpuyvIggIQ2bB0CFCjTCiTkGXHqAKwG77GVRjOaN3/8S5ITlZpXWmqOw=="],

    "@vercel/nft/acorn": ["acorn@8.17.0", "", { "bin": { "acorn": "bin/acorn" } }, "sha512-xRQbDb9BnwDafYNn6Vwl839DYVjqXYb1XVGtWAZ1kcDc6iwAL4hg3B1dZlRiuENFeO2H53gFG3in621AdERVAg=="],
@@ -6719,9 +6710,11 @@

    "estree-util-to-js/source-map": ["source-map@0.7.6", "", {}, "sha512-i5uvt8C3ikiWeNZSVZNWcfZPItFQOsYTUAOkcUPGd8DqDy1uOUikjt5dG+uRlwyvR108Fb9DOd4GvXfT0N2/uQ=="],

-    "execa/get-stream": ["get-stream@8.0.1", "", {}, "sha512-VaUJspBffn/LMCJVoMvSAdmscJyS1auj5Zulnn5UoYcY531UWmdwhRWkcGKnGU93m5HSXP9LP2usOryrBtQowA=="],
+    "execa/get-stream": ["get-stream@6.0.1", "", {}, "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg=="],

-    "execa/is-stream": ["is-stream@3.0.0", "", {}, "sha512-LnQR4bZ9IADDRSkvpqMGvt/tEJWclzklNgSw48V5EAaAeDd6qGvN8ei6k5p0tvxSR171VmGyHuTiAOfxAbr8kA=="],
+    "execa/is-stream": ["is-stream@2.0.1", "", {}, "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg=="],
+
+    "execa/signal-exit": ["signal-exit@3.0.7", "", {}, "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="],

    "express/cookie": ["cookie@0.7.2", "", {}, "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="],

@@ -6797,8 +6790,6 @@

    "node-gyp/undici": ["undici@6.28.0", "", {}, "sha512-LIY910g9TI13YS95lrMFrs8Rm/u/irgHeTWoKCoteeJ04CUJ92eEfj0rVn+7VKMPBpUPiUoBKfhNyLI23EE/KA=="],

-    "npm-run-path/path-key": ["path-key@4.0.0", "", {}, "sha512-haREypq7xkM7ErfgIyA0z+Bj4AGKlMSdlQE2jvJo6huWD1EdkKYV+G/T4nq0YEF2vgTT8kqMFKo1uHn950r4SQ=="],
-
    "openid-client/jose": ["jose@4.15.9", "", {}, "sha512-1vUQX+IdDMVPj4k8kOxgUqlcK518yluMuGZwqlr44FS1ppZB/5GWh4rZG89erpOBOJjU/OBsnCVFfapsRz6nEA=="],

    "openid-client/lru-cache": ["lru-cache@6.0.0", "", { "dependencies": { "yallist": "^4.0.0" } }, "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA=="],
@@ -7565,20 +7556,6 @@

    "@tailwindcss/oxide-wasm32-wasi/@napi-rs/wasm-runtime/@tybys/wasm-util": ["@tybys/wasm-util@0.10.3", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-F3fo1MYrRJYL3zER0OUOmkutjr1Vp23m7OsSgp7nq4SP6OqX6C/56XFIPAl5bt3zaBRjmW7SGz3u/6LwFpYcOg=="],

-    "@vercel/cli-exec/execa/get-stream": ["get-stream@6.0.1", "", {}, "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg=="],
-
-    "@vercel/cli-exec/execa/human-signals": ["human-signals@2.1.0", "", {}, "sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw=="],
-
-    "@vercel/cli-exec/execa/is-stream": ["is-stream@2.0.1", "", {}, "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg=="],
-
-    "@vercel/cli-exec/execa/npm-run-path": ["npm-run-path@4.0.1", "", { "dependencies": { "path-key": "^3.0.0" } }, "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw=="],
-
-    "@vercel/cli-exec/execa/onetime": ["onetime@5.1.2", "", { "dependencies": { "mimic-fn": "^2.1.0" } }, "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg=="],
-
-    "@vercel/cli-exec/execa/signal-exit": ["signal-exit@3.0.7", "", {}, "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="],
-
-    "@vercel/cli-exec/execa/strip-final-newline": ["strip-final-newline@2.0.0", "", {}, "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA=="],
-
    "@vercel/functions/@vercel/oidc/jose": ["jose@5.9.6", "", {}, "sha512-AMlnetc9+CV9asI19zHmrgS/WYsWUwCn2R7RzlbJWD7F9eWYUTGyBmU9o6PxngtLGOiDGPRu+Uc4fhKzbpteZQ=="],

    "@vercel/routing-utils/ajv/json-schema-traverse": ["json-schema-traverse@0.4.1", "", {}, "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="],
@@ -8639,8 +8616,6 @@

    "@solidjs/start/shiki/@shikijs/engine-javascript/oniguruma-to-es": ["oniguruma-to-es@2.3.0", "", { "dependencies": { "emoji-regex-xs": "^1.0.0", "regex": "^5.1.1", "regex-recursion": "^5.1.1" } }, "sha512-bwALDxriqfKGfUufKGGepCzu9x7nJQuoRoAFp4AnwehhC2crqrDIAP/uN2qdlsAvSMpeRC3+Yzhqc7hLmle5+g=="],

-    "@vercel/cli-exec/execa/onetime/mimic-fn": ["mimic-fn@2.1.0", "", {}, "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg=="],
-
    "ansi-align/string-width/strip-ansi/ansi-regex": ["ansi-regex@5.0.1", "", {}, "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="],

    "app-builder-lib/@electron/get/fs-extra/universalify": ["universalify@0.1.2", "", {}, "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="],
@@ -46,9 +46,9 @@
      "@octokit/rest": "22.0.0",
      "@hono/standard-validator": "0.2.0",
      "@hono/zod-validator": "0.4.2",
-      "@opentui/core": "0.4.5",
-      "@opentui/keymap": "0.4.5",
-      "@opentui/solid": "0.4.5",
+      "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+      "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+      "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
      "@tanstack/solid-virtual": "3.13.32",
      "@shikijs/stream": "4.2.0",
      "@standard-schema/spec": "1.1.0",
@@ -150,9 +150,9 @@
    "electron"
  ],
  "overrides": {
-    "@opentui/core": "catalog:",
-    "@opentui/keymap": "catalog:",
-    "@opentui/solid": "catalog:",
+    "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
    "@types/bun": "catalog:",
    "@types/node": "catalog:",
    "effect": "catalog:"
@@ -185,15 +185,15 @@ const secretValues = (request: HttpClientRequest.HttpClientRequest) => {
 // Two passes: structural (redact `"name": "value"` and `name=value` patterns
 // for any field name that looks sensitive) plus literal (replace any actual
 // secret values we sent in the request, in case the response echoes one back).
-const redactBody = (body: string, request: HttpClientRequest.HttpClientRequest) =>
-  Array.from(secretValues(request)).reduce(
+const redactBody = (body: string, secrets: ReadonlySet<string>) =>
+  Array.from(secrets).reduce(
    (text, secret) => text.split(secret).join(REDACTED),
    body.replace(REDACT_JSON_FIELD, `$1"${REDACTED}"`).replace(REDACT_QUERY_FIELD, `$1${REDACTED}`),
  )

-const responseBody = (body: string | void, request: HttpClientRequest.HttpClientRequest) => {
+const responseBody = (body: string | void, secrets: ReadonlySet<string>) => {
  if (body === undefined) return {}
-  const redacted = redactBody(body, request)
+  const redacted = redactBody(body, secrets)
  if (redacted.length <= BODY_LIMIT) return { body: redacted }
  return { body: redacted.slice(0, BODY_LIMIT), bodyTruncated: true }
 }
@@ -240,7 +240,7 @@ const statusError =
      const headers = normalizedHeaders(response.headers)
      const retryAfter = retryAfterMs(headers)
      const rateLimit = rateLimitDetails(headers, retryAfter)
-      const details = responseBody(body, request)
+      const details = responseBody(body, secretValues(request))
      return yield* new AIError({
        module: "RequestExecutor",
        method: "execute",
@@ -261,6 +261,42 @@ const statusError =
      })
    })

+// Classifies an HTTP failure captured outside the executor (for example by the
+// AI SDK's own fetch) onto the same reason types and redacted HttpContext that
+// executor-driven requests produce. The originating request is not available on
+// that path, so the method is assumed (language model calls are always POST),
+// request headers are empty, and only structural body redaction applies.
+export const classifyHttpFailure = (input: {
+  readonly message: string
+  readonly url: string
+  readonly status?: number | undefined
+  readonly code?: string | undefined
+  readonly responseHeaders?: Record<string, string> | undefined
+  readonly responseBody?: string | undefined
+}) => {
+  const headers = normalizedHeaders(Headers.fromInput(input.responseHeaders))
+  const retryAfter = retryAfterMs(headers)
+  const rateLimit = rateLimitDetails(headers, retryAfter)
+  const details = responseBody(input.responseBody ?? undefined, new Set<string>())
+  return classifyProviderFailure({
+    message: input.message,
+    status: input.status,
+    code: input.code,
+    retryAfterMs: retryAfter,
+    rateLimit,
+    http: new HttpContext({
+      request: new HttpRequestDetails({ method: "POST", url: redactUrl(input.url), headers: {} }),
+      response:
+        input.status === undefined
+          ? undefined
+          : new HttpResponseDetails({ status: input.status, headers: redactHeaders(Headers.fromInput(headers), []) }),
+      ...details,
+      requestId: requestId(headers),
+      rateLimit,
+    }),
+  })
+}
+
 const toHttpError = (redactedNames: ReadonlyArray<string | RegExp>) => (error: unknown) => {
  const transportError = (input: {
    readonly message: string
@@ -1,6 +1,6 @@
 import { expect, test } from "bun:test"
 import { type Virtualizer } from "@tanstack/solid-virtual"
-import { Window } from "happy-dom"
+import { Node, Window } from "happy-dom"
 import { mutationNodesContainElement, observeElementOffsetReconnectAware } from "./observe-element-offset"

 test("matches only the scroll element or an ancestor containing it", () => {
@@ -18,6 +18,7 @@ test("matches only the scroll element or an ancestor containing it", () => {

 test("reports a divergent native offset once and ignores equal offsets and unrelated mutations", async () => {
  const targetWindow = new Window()
+  const mutations = controlledMutations(targetWindow)
  const route = targetWindow.document.createElement("section")
  const viewport = targetWindow.document.createElement("div")
  const unrelated = targetWindow.document.createElement("div")
@@ -40,24 +41,24 @@ test("reports a divergent native offset once and ignores equal offsets and unrel
    instance.scrollOffset = offset
  })

-  targetWindow.document.body.append(unrelated)
-  unrelated.remove()
-  await frames(2, targetWindow)
-  expect(calls).toEqual([])
+  try {
+    mutations.append(targetWindow.document.body, unrelated)
+    mutations.remove(unrelated)
+    expect(calls).toEqual([])

-  route.remove()
-  targetWindow.document.body.append(route)
-  await waitFor(() => calls.length === 1, targetWindow)
-  expect(calls).toEqual([[0, false]])
+    mutations.remove(route)
+    mutations.append(targetWindow.document.body, route)
+    await frames(2, targetWindow)
+    expect(calls).toEqual([[0, false]])

-  route.remove()
-  targetWindow.document.body.append(route)
-  await new Promise((resolve) => setTimeout(resolve, 0))
-  await frames(3, targetWindow)
-  expect(calls).toEqual([[0, false]])
-
-  cleanup?.()
-  await targetWindow.happyDOM.close()
+    mutations.remove(route)
+    mutations.append(targetWindow.document.body, route)
+    await frames(2, targetWindow)
+    expect(calls).toEqual([[0, false]])
+  } finally {
+    cleanup?.()
+    await targetWindow.happyDOM.close()
+  }
 })

 test("keeps checking until stale reset-delay callbacks can no longer win", async () => {
@@ -204,7 +205,33 @@ async function frames(count: number, targetWindow: FrameWindow = window) {
  }
 }

-async function waitFor(condition: () => boolean, targetWindow: FrameWindow = window) {
-  const deadline = targetWindow.performance.now() + 1_000
-  while (!condition() && targetWindow.performance.now() < deadline) await frames(1, targetWindow)
+function controlledMutations(targetWindow: Window) {
+  let emit: (record: MutationRecord) => void = () => {
+    throw new Error("Mutation observer is not active")
+  }
+  class ControlledMutationObserver {
+    constructor(callback: MutationCallback) {
+      emit = (record) => callback([record], this as unknown as MutationObserver)
+    }
+    observe() {}
+    disconnect() {}
+    takeRecords() {
+      return []
+    }
+  }
+  Object.defineProperty(targetWindow, "MutationObserver", { value: ControlledMutationObserver })
+  const record = (target: Node, addedNodes: Node[], removedNodes: Node[]) =>
+    ({ type: "childList", target, addedNodes, removedNodes }) as unknown as MutationRecord
+  return {
+    append(parent: Node, node: Node) {
+      parent.appendChild(node)
+      emit(record(parent, [node], []))
+    },
+    remove(node: Node) {
+      const parent = node.parentNode
+      if (!parent) throw new Error("Mutation target has no parent")
+      parent.removeChild(node)
+      emit(record(parent, [], [node]))
+    },
+  }
 }
@@ -11,7 +11,9 @@ import { createAcpFixture, expectOk, initialize, newSession, selectConfigOption
 describe("acp lifecycle subprocess", () => {
  test("stdin EOF exits cleanly", async () => {
    await using fixture = await createAcpFixture()
-    expect(await fixture.spawn().close()).toBe(0)
+    const acp = fixture.spawn()
+    await initialize(acp)
+    expect(await acp.close()).toBe(0)
  }, 60_000)

  test("close capability and close request", async () => {
@@ -1,6 +1,7 @@
 export * as AISDK from "./aisdk"

 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
+import { APICallError } from "@ai-sdk/provider"
 import type {
  JSONSchema7,
  JSONValue,
@@ -22,6 +23,7 @@ import {
  LanguageModel,
  ProviderID,
  ProviderMetadata,
+  TransportReason,
  ToolResultValue,
  UnknownProviderReason,
  type ContentPart,
@@ -29,7 +31,7 @@ import {
  type ToolDefinition,
  type UsageInput,
 } from "@opencode-ai/ai"
-import { Auth, Endpoint, type AnyRoute } from "@opencode-ai/ai/route"
+import { Auth, Endpoint, RequestExecutor, type AnyRoute } from "@opencode-ai/ai/route"
 import { ProviderShared } from "@opencode-ai/ai/protocols/shared"
 import { Cause, Context, Effect, Layer, Option, Schema, Scope, Stream } from "effect"
 import type { ID, Info } from "./model"
@@ -723,7 +725,9 @@ function llmError(method: string, error: unknown) {
  const reason =
    error instanceof AIError
      ? new InvalidProviderOutputReason({ message: error.message })
-      : new UnknownProviderReason({ message: error instanceof Error ? error.message : String(error) })
+      : APICallError.isInstance(error)
+        ? apiCallErrorReason(error)
+        : new UnknownProviderReason({ message: unknownErrorMessage(error) })
  return new AIError({
    module: "AISDK",
    method,
@@ -731,4 +735,57 @@ function llmError(method: string, error: unknown) {
  })
 }

+function apiCallErrorReason(error: APICallError) {
+  const details = providerErrorDetails(error)
+  const reason = RequestExecutor.classifyHttpFailure({
+    message: details.message,
+    url: error.url,
+    status: error.statusCode,
+    code: details.code,
+    responseHeaders: error.responseHeaders,
+    responseBody: error.responseBody,
+  })
+  if (error.statusCode !== undefined || !error.isRetryable) return reason
+  return new TransportReason({
+    message: reason.message,
+    kind: error.name,
+    url: error.url,
+    http: "http" in reason ? reason.http : undefined,
+  })
+}
+
+const ProviderErrorCode = Schema.Union([Schema.String, Schema.Finite])
+const ProviderErrorDetail = Schema.Struct({
+  message: Schema.optionalKey(Schema.String),
+  code: Schema.optionalKey(ProviderErrorCode),
+})
+const ProviderErrorBody = Schema.Struct({
+  ...ProviderErrorDetail.fields,
+  error: Schema.optionalKey(ProviderErrorDetail),
+})
+const decodeProviderError = Schema.decodeUnknownOption(
+  Schema.Union([ProviderErrorBody, Schema.fromJsonString(ProviderErrorBody)]),
+)
+
+function unknownErrorMessage(error: unknown) {
+  const message = error instanceof Error ? error.message : String(error)
+  return message.trim() === "" ? "Provider request failed" : message
+}
+
+function providerErrorDetails(error: APICallError) {
+  const data = Option.getOrUndefined(decodeProviderError(error.data))
+  const body = Option.getOrUndefined(decodeProviderError(error.responseBody))
+  const details = [data?.error, data, body?.error, body]
+  const message = details.map((detail) => detail?.message).find((value) => value?.trim())
+  const value = details.map((detail) => detail?.code).find((value) => value !== undefined)
+  const code = value === undefined ? undefined : String(value)
+  const prefix =
+    error.statusCode === undefined ? "Provider request failed" : `Provider request failed with HTTP ${error.statusCode}`
+  return {
+    code,
+    message:
+      error.message.trim() !== "" ? error.message : (message ?? (code === undefined ? prefix : `${prefix}: ${code}`)),
+  }
+}
+
 export const node = makeLocationNode({ service: Service, layer: locationLayer, deps: [] })
@@ -151,7 +151,15 @@ export const layer = (options?: Options) =>
            )
            if (!credential || credential.value.type !== "key") return []
            const variables = { [auth.env]: credential.value.key }
-            const configs = yield* wellknown.resolve(entry, variables).pipe(Effect.orDie)
+            const configs = yield* wellknown
+              .resolve(entry, variables)
+              .pipe(
+                Effect.catch(() =>
+                  Effect.logWarning("failed to load wellknown config", { source: entry.origin }).pipe(
+                    Effect.as([] as const),
+                  ),
+                ),
+              )
            return yield* Effect.forEach(configs, (config) =>
              ConfigVariable.substitute({
                type: "virtual",
@@ -1,71 +0,0 @@
-export * as LocationWatcher from "./location-watcher"
-
-import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
-import { Context, Effect, Layer, Stream } from "effect"
-import { FileSystem } from "@opencode-ai/schema/filesystem"
-import { Document } from "@opencode-ai/schema/config"
-import path from "path"
-import { Config } from "../config"
-import { Bus } from "../bus"
-import { FSUtil } from "@opencode-ai/util/fs-util"
-import { Git } from "../git"
-import { Location } from "../location"
-import { Watcher } from "./watcher"
-
-export interface Interface {}
-
-export class Service extends Context.Service<Service, Interface>()("@opencode/LocationWatcher") {}
-
-const layer = Layer.effect(
-  Service,
-  Effect.gen(function* () {
-    const location = yield* Location.Service
-    const watcher = yield* Watcher.Service
-    const bus = yield* Bus.Service
-    const fs = yield* FSUtil.Service
-    const git = yield* Git.Service
-    const configService = yield* Config.Service
-    const publish = (update: { type: "create" | "update" | "delete"; path: string }) =>
-      bus.publish(FileSystem.Event.Changed, {
-        file: update.path,
-        event: update.type === "create" ? "add" : update.type === "update" ? "change" : "unlink",
-      })
-
-    yield* Effect.gen(function* () {
-      const config = (yield* configService.entries())
-        .filter((entry): entry is Document => entry.type === "document")
-        .flatMap((item) => item.info.watcher?.ignore ?? [])
-
-      if (location.vcs?.type === "git") {
-        const resolved = (yield* git.repo.discover(location.directory))?.gitDirectory
-        const vcs = resolved
-          ? yield* fs.realPath(resolved).pipe(Effect.catch(() => Effect.succeed(resolved)))
-          : undefined
-        if (vcs && !config.includes(".git") && !config.includes(vcs) && (!resolved || !config.includes(resolved))) {
-          const updates = yield* watcher.subscribe({ path: path.join(vcs, "HEAD"), type: "file" })
-          yield* updates.pipe(Stream.runForEach(publish), Effect.forkScoped)
-        }
-      }
-      if (location.vcs?.type === "hg") {
-        const store = location.vcs.store
-        const vcs = yield* fs.realPath(store).pipe(Effect.catch(() => Effect.succeed(store)))
-        if (!config.includes(".hg") && !config.includes(vcs)) {
-          const updates = yield* watcher.subscribe({ path: path.join(vcs, "branch"), type: "file" })
-          yield* updates.pipe(Stream.runForEach(publish), Effect.forkScoped)
-        }
-      }
-    }).pipe(
-      Effect.withSpan("LocationWatcher.start", { attributes: { directory: location.directory } }),
-      Effect.catchCause((cause) => Effect.logError("failed to init location watcher service", { cause })),
-      Effect.forkScoped,
-    )
-
-    return Service.of({})
-  }),
-)
-
-export const node = makeLocationNode({
-  service: Service,
-  layer,
-  deps: [Watcher.node, FSUtil.node, Location.node, Config.node, Git.node, Bus.node],
-})
@@ -47,6 +47,10 @@ export const layer = Layer.effect(
            input.model
              ? new ModelSelectionError({ message: error.message })
              : new UnavailableError({ message: error.message, service: error.providerID }),
+          "SessionRunnerModel.UnresolvedProviderVariablesError": (error) =>
+            input.model
+              ? new ModelSelectionError({ message: error.message })
+              : new UnavailableError({ message: error.message, service: error.providerID }),
        }),
      )
      if (!resolved)
@@ -15,7 +15,6 @@ import { FileSystemSearch } from "./filesystem/search"
 import { Generate } from "./generate"
 import { Form } from "./form"
 import { Image } from "./image"
-import { LocationWatcher } from "./filesystem/location-watcher"
 import { Integration } from "./integration"
 import { Location } from "./location"
 import { LocationMutation } from "./location-mutation"
@@ -99,8 +98,6 @@ const locationServiceNodes = [
  Snapshot.node,
  SessionRunnerLLM.node,
  Vcs.node,
-  // Start repository watches only after boot-critical filesystem and Git work.
-  LocationWatcher.node,
 ] as const satisfies readonly Node.LocationNode<unknown, unknown>[]

 export const locationServices = LayerNode.group<typeof locationServiceNodes>(locationServiceNodes)
@@ -46,7 +46,24 @@ export class UnsupportedPackageError extends Schema.TaggedErrorClass<Unsupported
  }
 }

-export type Error = VariantUnavailableError | UnsupportedPackageError | Integration.AuthorizationError
+export class UnresolvedProviderVariablesError extends Schema.TaggedErrorClass<UnresolvedProviderVariablesError>()(
+  "SessionRunnerModel.UnresolvedProviderVariablesError",
+  {
+    providerID: Provider.ID,
+    modelID: ID,
+    variables: Schema.Array(Schema.String),
+  },
+) {
+  override get message() {
+    return `Cannot initialize ${this.providerID}/${this.modelID}: ${this.variables.join(", ")} ${this.variables.length === 1 ? "is" : "are"} required to resolve the provider endpoint`
+  }
+}
+
+export type Error =
+  | VariantUnavailableError
+  | UnsupportedPackageError
+  | UnresolvedProviderVariablesError
+  | Integration.AuthorizationError

 export interface Resolved {
  /** Route-level model for provider requests; its id is the provider API model id, which may differ from the catalog id. */
@@ -141,12 +158,17 @@ export const fromCatalogModel = (
  model: Info,
  credential?: Credential.Value,
  dependencies?: Dependencies,
-): Effect.Effect<LanguageModel, UnsupportedPackageError> => {
-  const resolved = produce(model, (draft) => {
-    if (draft.settings?.apiKey === "") delete draft.settings.apiKey
-    if (credential?.type === "key" && credential.metadata !== undefined)
-      draft.body = Provider.mergeOverlay(draft.body, credential.metadata)
-  })
+): Effect.Effect<LanguageModel, UnsupportedPackageError | UnresolvedProviderVariablesError> => {
+  const prepared = prepareRuntimeModel(model, credential)
+  if (prepared.unresolved.length > 0)
+    return Effect.fail(
+      new UnresolvedProviderVariablesError({
+        providerID: model.providerID,
+        modelID: model.id,
+        variables: prepared.unresolved,
+      }),
+    )
+  const resolved = prepared.model
  const packageName = Provider.packageName(resolved.package)
  const key = apiKey(resolved, credential)
  const configuration = credential?.type === "key" ? credential.configuration : undefined
@@ -226,6 +248,26 @@ export const fromCatalogModel = (
  })
 }

+function prepareRuntimeModel(model: Info, credential: Credential.Value | undefined) {
+  const prepared = produce(model, (draft) => {
+    if (draft.settings?.apiKey === "") delete draft.settings.apiKey
+    if (credential?.type === "key" && credential.metadata !== undefined)
+      draft.body = Provider.mergeOverlay(draft.body, credential.metadata)
+    if (typeof draft.settings?.baseURL !== "string") return
+    draft.settings.baseURL = draft.settings.baseURL.replace(/\$\{([^}]+)\}/g, (placeholder, name: string) => {
+      return process.env[name] ?? placeholder
+    })
+  })
+  const baseURL = prepared.settings?.baseURL
+  const unresolved =
+    typeof baseURL === "string"
+      ? Array.from(baseURL.matchAll(/\$\{([^}]+)\}/g), (match) => match[1]).filter(
+          (name, index, names) => names.indexOf(name) === index,
+        )
+      : []
+  return { model: prepared, unresolved }
+}
+
 const nativeCredentialSettings = (specifier: string, credential: Credential.Value | undefined) => {
  if (!credential) return {}
  if (credential.type === "key") return { apiKey: credential.key }
@@ -59,36 +59,8 @@ function environmentNames(provider: ModelsDev.Snapshot) {
 }

 function snapshots(data: readonly ModelsDev.Snapshot[]) {
-  return (
-    structuredClone(data)
-      // These deprecated aliases are replaced by the canonical Azure and Google Vertex providers.
-      .filter(
-        (provider) => provider.info.id !== "azure-cognitive-services" && provider.info.id !== "google-vertex-anthropic",
-      )
-      .map((provider) => {
-        const environment = new Set(provider.environment)
-        return {
-          ...provider,
-          info: {
-            ...provider.info,
-            ...(provider.info.settings ? { settings: resolveEnvironment(provider.info.settings, environment) } : {}),
-          },
-          models: provider.models.map((model) => ({
-            ...model,
-            ...(model.settings ? { settings: resolveEnvironment(model.settings, environment) } : {}),
-          })),
-        }
-      })
+  return structuredClone(data).filter(
+    // These deprecated aliases are replaced by the canonical Azure and Google Vertex providers.
+    (provider) => provider.info.id !== "azure-cognitive-services" && provider.info.id !== "google-vertex-anthropic",
  )
 }
-
-function resolveEnvironment(settings: Readonly<Record<string, unknown>>, environment: Set<string>) {
-  if (typeof settings.baseURL !== "string") return settings
-  return {
-    ...settings,
-    baseURL: settings.baseURL.replace(/\$\{([^}]+)\}/g, (value, name: string) => {
-      if (!environment.has(name)) return value
-      return process.env[name] ?? value
-    }),
-  }
-}
@@ -34,6 +34,8 @@ export const VariantUnavailableError = ModelResolver.VariantUnavailableError
 export type VariantUnavailableError = ModelResolver.VariantUnavailableError
 export const UnsupportedPackageError = ModelResolver.UnsupportedPackageError
 export type UnsupportedPackageError = ModelResolver.UnsupportedPackageError
+export const UnresolvedProviderVariablesError = ModelResolver.UnresolvedProviderVariablesError
+export type UnresolvedProviderVariablesError = ModelResolver.UnresolvedProviderVariablesError

 export type Error = ModelNotSelectedError | ModelUnavailableError | ModelResolver.Error
 export type Resolved = ModelResolver.Resolved
@@ -52,7 +52,8 @@ export function toSessionError(cause: unknown): SessionError.Error {
    cause instanceof SessionRunnerModel.ModelNotSelectedError ||
    cause instanceof SessionRunnerModel.ModelUnavailableError ||
    cause instanceof SessionRunnerModel.VariantUnavailableError ||
-    cause instanceof SessionRunnerModel.UnsupportedPackageError
+    cause instanceof SessionRunnerModel.UnsupportedPackageError ||
+    cause instanceof SessionRunnerModel.UnresolvedProviderVariablesError
  )
    return { type: "provider.no-route", message: cause.message }
  if (cause instanceof Integration.AuthorizationError) return { type: "provider.auth", message: cause.message }
@@ -3,7 +3,6 @@ export * as Vcs from "./vcs"
 import path from "path"
 import { Context, Effect, Layer, Stream } from "effect"
 import { FileDiff } from "@opencode-ai/schema/file-diff"
-import { FileSystem } from "@opencode-ai/schema/filesystem"
 import { FileStatus, Info, Mode } from "@opencode-ai/schema/vcs"
 import { VcsEvent } from "@opencode-ai/schema/vcs-event"
 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
@@ -11,6 +10,8 @@ import { FSUtil } from "@opencode-ai/util/fs-util"
 import { Location } from "./location"
 import { AppProcess } from "@opencode-ai/util/process"
 import { Bus } from "./bus"
+import { Git } from "./git"
+import { Watcher } from "./filesystem/watcher"
 import { VcsGit } from "./vcs/git"
 import { VcsHg } from "./vcs/hg"

@@ -44,29 +45,36 @@ const layer = Layer.effect(
    const fs = yield* FSUtil.Service
    const location = yield* Location.Service
    const bus = yield* Bus.Service
+    const git = yield* Git.Service
+    const watcher = yield* Watcher.Service
    const impl = adapter(proc, fs, location)
    const vcs = location.vcs
    const state = { info: impl ? yield* impl.info() : ({ branch: {} } satisfies Info) }

    if (vcs && impl) {
-      const store = yield* fs.realPath(vcs.store).pipe(Effect.catch(() => Effect.succeed(vcs.store)))
-      const isBranchMetadata =
-        vcs.type === "git"
-          ? (file: string) => path.basename(file) === "HEAD" && FSUtil.contains(store, file)
-          : (file: string) => path.resolve(file) === path.join(store, "branch")
-      yield* bus.subscribe(FileSystem.Event.Changed).pipe(
-        Stream.filter((event) => isBranchMetadata(event.data.file)),
-        Stream.runForEach((event) =>
-          Effect.gen(function* () {
-            const next = yield* impl.info()
-            const changed = state.info.branch.current !== next.branch.current
-            state.info = next
-            if (!changed) return
-            yield* bus.publish(VcsEvent.BranchUpdated, { branch: next.branch.current })
-          }).pipe(Effect.withSpan("Vcs.refreshBranch", { attributes: { file: event.data.file } })),
-        ),
-        Effect.forkScoped({ startImmediately: true }),
-      )
+      yield* Effect.gen(function* () {
+        const discovered = vcs.type === "git" ? (yield* git.repo.discover(location.directory))?.gitDirectory : undefined
+        const target = discovered ?? vcs.store
+        const dir = yield* fs.realPath(target).pipe(Effect.catch(() => Effect.succeed(target)))
+        const keep = vcs.type === "git" ? ["HEAD", "HEAD.lock"] : ["branch"]
+        const ignore = (yield* fs.readDirectoryEntries(dir).pipe(Effect.catch(() => Effect.succeed([])))).flatMap(
+          (entry) => (keep.includes(entry.name) ? [] : [entry.name]),
+        )
+        const updates = yield* watcher.subscribe({ path: dir, type: "directory", ignore })
+        yield* updates.pipe(
+          Stream.filter((update) => keep.includes(path.basename(update.path))),
+          Stream.runForEach((update) =>
+            Effect.gen(function* () {
+              const next = yield* impl.info()
+              const changed = state.info.branch.current !== next.branch.current
+              state.info = next
+              if (!changed) return
+              yield* bus.publish(VcsEvent.BranchUpdated, { branch: next.branch.current })
+            }).pipe(Effect.withSpan("Vcs.refreshBranch", { attributes: { file: update.path } })),
+          ),
+          Effect.forkScoped({ startImmediately: true }),
+        )
+      }).pipe(Effect.catchCause((cause) => Effect.logError("failed to watch vcs metadata", { cause })))
    }

    return Service.of({
@@ -88,5 +96,5 @@ const layer = Layer.effect(
 export const node = makeLocationNode({
  service: Service,
  layer: layer,
-  deps: [AppProcess.node, FSUtil.node, Location.node, Bus.node],
+  deps: [AppProcess.node, FSUtil.node, Location.node, Bus.node, Git.node, Watcher.node],
 })
@@ -1,8 +1,11 @@
+import { APICallError } from "@ai-sdk/provider"
 import type { LanguageModelV3, LanguageModelV3StreamPart } from "@ai-sdk/provider"
 import { AISDK } from "@opencode-ai/core/aisdk"
+import { SessionRunnerRetry } from "@opencode-ai/core/session/runner/retry"
+import { toSessionError } from "@opencode-ai/core/session/to-session-error"
 import { Model } from "@opencode-ai/core/model"
 import { Provider } from "@opencode-ai/core/provider"
-import { LLM, AIError, LLMEvent, Message } from "@opencode-ai/ai"
+import { LLM, AIError, LLMEvent, Message, isContextOverflowFailure } from "@opencode-ai/ai"
 import { LLMClient, RequestExecutor } from "@opencode-ai/ai/route"
 import { compileRequest } from "@opencode-ai/ai/route/client"
 import { expect } from "bun:test"
@@ -337,3 +340,170 @@ it.effect("keeps malformed provider-executed AI SDK input terminal", () =>
    expect(error.message).toContain("Invalid JSON input for aisdk tool call web_search")
  }),
 )
+
+const failingModel = (failure: unknown): LanguageModelV3 => ({
+  specificationVersion: "v3",
+  provider: "test",
+  modelId: "test",
+  supportedUrls: {},
+  doGenerate: () => Promise.reject(new Error("Unexpected non-streaming request")),
+  doStream: () => Promise.reject(failure),
+})
+
+const streamFailure = (failure: unknown) =>
+  Effect.gen(function* () {
+    const aisdk = yield* AISDK.Service
+    yield* aisdk.hook.sdk((event) => {
+      event.sdk = { languageModel: () => failingModel(failure) }
+    })
+    const resolved = yield* aisdk.model(model("test-ai-sdk"))
+    return yield* LLMClient.generate(LLM.request({ model: resolved, prompt: "Hello" })).pipe(
+      Effect.provide(client),
+      Effect.flip,
+    )
+  })
+
+it.effect("preserves non-empty AI SDK error messages", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(new Error("Bad Request"))
+    expect(error).toBeInstanceOf(AIError)
+    expect(error.reason).toMatchObject({ _tag: "UnknownProvider", message: "Bad Request" })
+  }),
+)
+
+const apiCallError = (input: Partial<ConstructorParameters<typeof APICallError>[0]>) =>
+  new APICallError({
+    message: "",
+    url: "https://api.example.com/chat",
+    requestBodyValues: { messages: [{ role: "user", content: "private prompt" }] },
+    responseHeaders: { authorization: "Bearer secret-token" },
+    ...input,
+  })
+
+it.effect("derives status and code when the AI SDK error message is empty", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 404,
+        responseBody: '{"error":{"message":"","code":"not_found"}}',
+        data: { error: { message: "", code: "not_found" } },
+      }),
+    )
+    expect(error.reason.message).toBe("Provider request failed with HTTP 404: not_found")
+    expect(error.reason.message).not.toContain("secret-token")
+    expect(error.reason.message).not.toContain("private prompt")
+    const projected = toSessionError(error)
+    expect(projected.type).toBe("provider.invalid-request")
+    expect(projected.status).toBe(404)
+    expect(projected.message).not.toBe("")
+  }),
+)
+
+it.effect("preserves redacted HTTP context on AI SDK call errors", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 404,
+        responseBody: '{"error":{"message":"","code":"not_found"}}',
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "InvalidRequest" })
+    const http = "http" in error.reason ? error.reason.http : undefined
+    expect(http?.request.url).toBe("https://api.example.com/chat")
+    expect(http?.response?.status).toBe(404)
+    expect(http?.response?.headers["authorization"]).toBe("<redacted>")
+    expect(http?.body).toBe('{"error":{"message":"","code":"not_found"}}')
+  }),
+)
+
+it.effect("classifies retryable AI SDK failures with retry-after details", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 429,
+        responseHeaders: { "retry-after": "7" },
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "RateLimit", retryAfterMs: 7000 })
+  }),
+)
+
+it.effect("classifies data-only AI SDK provider codes", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 400,
+        data: { error: { code: "api_error" } },
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "ProviderInternal", status: 400 })
+    expect(SessionRunnerRetry.isRetryable(error)).toBeTrue()
+  }),
+)
+
+it.effect("classifies data-only AI SDK authentication errors", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 400,
+        data: { error: { code: "authentication_error" } },
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "Authentication", kind: "invalid" })
+    expect(SessionRunnerRetry.isRetryable(error)).toBeFalse()
+  }),
+)
+
+it.effect("detects context overflow from data-only AI SDK errors", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 400,
+        data: { error: { code: "context_length_exceeded" } },
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "InvalidRequest", classification: "context-overflow" })
+    expect(isContextOverflowFailure(error)).toBeTrue()
+  }),
+)
+
+it.effect("retries status-less AI SDK transport failures", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        message: "Cannot connect to API: connection refused",
+        isRetryable: true,
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "Transport", kind: "AI_APICallError" })
+    expect(SessionRunnerRetry.isRetryable(error)).toBeTrue()
+    expect("http" in error.reason ? error.reason.http?.request.url : undefined).toBe("https://api.example.com/chat")
+  }),
+)
+
+it.effect("prefers a structured provider message over the code fallback", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 404,
+        data: { error: { code: "not_found" } },
+        responseBody: '{"message":"The requested model does not exist"}',
+      }),
+    )
+    expect(error.reason.message).toBe("The requested model does not exist")
+  }),
+)
+
+it.effect("falls back to the status alone for malformed response bodies", () =>
+  Effect.gen(function* () {
+    const error = yield* streamFailure(
+      apiCallError({
+        statusCode: 502,
+        isRetryable: false,
+        responseBody: "<html>Bad Gateway</html>",
+      }),
+    )
+    expect(error.reason).toMatchObject({ _tag: "ProviderInternal", status: 502 })
+    expect(error.reason.message).toBe("Provider request failed with HTTP 502")
+  }),
+)
@@ -465,6 +465,7 @@ Use native v2 fields.`,
              },
            }),
          )
+          yield* Effect.yieldNow

          yield* Effect.promise(() => fs.writeFile(path.join(directory, "reviewer.md"), "Review once"))
          yield* configTest.emitChange({ type: "create", path: path.join(directory, "reviewer.md") })
@@ -185,6 +185,7 @@ Review files`,
              },
            }),
          )
+          yield* Effect.yieldNow
          yield* Effect.promise(() => fs.writeFile(path.join(directory, "review.md"), "Review once"))
          yield* configTest.emitChange({ type: "create", path: path.join(directory, "review.md") })
          yield* configTest.emitChange({ type: "update", path: path.join(directory, "review.md") })
@@ -307,7 +307,7 @@ describe("Config", () => {
    }),
  )

-  it.live("loads authenticated wellknown config before user configuration", () =>
+  it.live("tolerates unavailable authenticated wellknown config and reloads it later", () =>
    Effect.acquireUseRelease(
      Effect.promise(() => tmpdir()),
      (tmp) =>
@@ -322,6 +322,7 @@ describe("Config", () => {
          })

          const integrationID = Integration.ID.make("https://example.com")
+          let available = false
          let key = "secret"
          const credentialNode = makeGlobalNode({
            service: Credential.Service,
@@ -361,7 +362,10 @@ describe("Config", () => {
                refresh: () => Effect.succeed(false),
                add: () => Effect.die("unused Wellknown.add"),
                remove: () => Effect.die("unused Wellknown.remove"),
-                resolve: (_entry, variables) => Effect.succeed([{ shell: variables.TOKEN }]),
+                resolve: (_entry, variables) =>
+                  available
+                    ? Effect.succeed([{ shell: variables.TOKEN }])
+                    : Effect.fail(new Error("expired credential")),
              }),
            ),
            deps: [],
@@ -374,11 +378,12 @@ describe("Config", () => {
            expect(Config.latest(initial, "shell")).toBe("project")
            expect(
              initial.flatMap((entry) => (entry.type === "document" && entry.info.shell ? [entry.info.shell] : [])),
-            ).toEqual(["secret", "global", "project"])
+            ).toEqual(["global", "project"])
            const updated = yield* bus
              .subscribe(Event.Updated)
              .pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
            yield* Effect.yieldNow
+            available = true
            key = "next"
            yield* bus.publish(Integration.Event.ConnectionUpdated, { integrationID })
            expect(yield* Fiber.join(updated)).toHaveLength(1)
@@ -1,28 +1,15 @@
-import { $ } from "bun"
 import { describe, expect } from "bun:test"
-import fs from "fs/promises"
 import path from "path"
-import { Deferred, Duration, Effect, Fiber, Layer, Option, Schedule, Stream } from "effect"
-import { Config } from "@opencode-ai/core/config"
+import { Deferred, Effect, Fiber, Layer, Schedule, Stream } from "effect"
 import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
-import { LayerNode } from "@opencode-ai/util/effect/layer-node"
-import { Bus } from "@opencode-ai/core/bus"
 import { FSUtil } from "@opencode-ai/util/fs-util"
-import { LocationWatcher } from "@opencode-ai/core/filesystem/location-watcher"
 import { Watcher } from "@opencode-ai/core/filesystem/watcher"
-import { FileSystem } from "@opencode-ai/schema/filesystem"
-import { Location } from "@opencode-ai/core/location"
-import { AbsolutePath } from "@opencode-ai/core/schema"
-import { location } from "../fixture/location"
 import { tmpdir } from "../fixture/tmpdir"
 import { testEffect } from "../lib/effect"

-type WatcherEvent = { file: string; event: "add" | "change" | "unlink" }
 const describeNative = process.env.CI ? describe.skip : describe

-const it = testEffect(AppNodeBuilder.build(LayerNode.group([FSUtil.node, Bus.node])))
-
-const configLayer = Config.testLayer()
+const it = testEffect(AppNodeBuilder.build(FSUtil.node))

 describe("Watcher.testLayer", () => {
  it.effect("records subscriptions and broadcasts emitted updates through the service", () =>
@@ -40,7 +27,6 @@ describe("Watcher.testLayer", () => {
      yield* test.emit({ type: "update", path: "/root/file.md" })

      expect(Array.from(yield* Fiber.join(received))).toEqual([{ type: "update", path: "/root/file.md" }])
-      // subscriptions() reports acquired watches, so paths come back resolved.
      expect(yield* test.subscriptions()).toEqual([{ path: path.resolve("/root"), type: "directory" }])
    }).pipe(Effect.provide(Watcher.testLayer)),
  )
@@ -126,167 +112,20 @@ describe("Watcher lifecycle", () => {
        expect(counts.unsubscribes).toBe(0)
        return consumer
      }).pipe(withNative(native))
-      // Closing the layer scope tears the native subscription down while the
-      // consumer still holds a reference; the consumer's own release as its
-      // stream ends must not tear it down a second time.
      yield* Fiber.join(consumer)
      expect(counts.unsubscribes).toBe(1)
    })
  })
 })

-function provide(directory: string, vcs?: Location.Interface["vcs"], watcher?: Layer.Layer<Watcher.Service>) {
-  const locationLayer = Layer.succeed(
-    Location.Service,
-    Location.Service.of(location({ directory: AbsolutePath.make(directory) }, { vcs })),
-  )
-  const built = AppNodeBuilder.build(LocationWatcher.node, [
-    [Config.node, configLayer],
-    [Location.node, locationLayer],
-    ...(watcher ? ([[Watcher.node, watcher]] as const) : []),
-  ])
-  return Effect.provide(built)
-}
-
-function withTmp<A, E, R>(
-  f: (directory: string, vcs?: Location.Interface["vcs"]) => Effect.Effect<A, E, R>,
-  options?: {
-    vcs?: "git" | "hg"
-    init?: (directory: string) => Promise<void>
-    watcher?: Layer.Layer<Watcher.Service>
-  },
-) {
+function withTmp<A, E, R>(f: (directory: string) => Effect.Effect<A, E, R>) {
  return Effect.acquireRelease(
-    Effect.promise(async () => {
-      const tmp = await tmpdir()
-      if (options?.vcs === "hg") {
-        await fs.mkdir(path.join(tmp.path, ".hg"))
-        return { tmp, vcs: { type: "hg" as const, store: AbsolutePath.make(path.join(tmp.path, ".hg")) } }
-      }
-      if (options?.vcs !== "git") return { tmp, vcs: undefined }
-      await $`git init`.cwd(tmp.path).quiet()
-      await $`git config core.fsmonitor false`.cwd(tmp.path).quiet()
-      await $`git config commit.gpgsign false`.cwd(tmp.path).quiet()
-      await $`git config user.email test@opencode.test`.cwd(tmp.path).quiet()
-      await $`git config user.name Test`.cwd(tmp.path).quiet()
-      await $`git commit --allow-empty -m root`.cwd(tmp.path).quiet()
-      await options.init?.(tmp.path)
-      return { tmp, vcs: { type: "git" as const, store: AbsolutePath.make(path.join(tmp.path, ".git")) } }
-    }),
-    ({ tmp }) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
-  ).pipe(Effect.flatMap(({ tmp, vcs }) => f(tmp.path, vcs).pipe(provide(tmp.path, vcs, options?.watcher))))
+    Effect.promise(() => tmpdir()),
+    (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+  ).pipe(Effect.flatMap((tmp) => f(tmp.path)))
 }

-describe("LocationWatcher subscriptions", () => {
-  it.live("watches only exact Git branch metadata", () => {
-    const subscriptions: Watcher.WatchInput[] = []
-    const watcher = Layer.succeed(
-      Watcher.Service,
-      Watcher.Service.of({
-        subscribe: (input) => Effect.sync(() => subscriptions.push(input)).pipe(Effect.as(Stream.empty)),
-      }),
-    )
-    return withTmp(
-      (directory) =>
-        Effect.gen(function* () {
-          yield* LocationWatcher.Service
-          yield* Effect.sync(() => subscriptions.length).pipe(
-            Effect.filterOrFail((count) => count > 0),
-            Effect.retry(Schedule.spaced("10 millis")),
-          )
-          yield* Effect.sleep("10 millis")
-          expect(subscriptions).toEqual([{ path: path.join(directory, ".git", "HEAD"), type: "file" }])
-        }),
-      { vcs: "git", watcher },
-    )
-  })
-
-  it.live("watches only exact Hg branch metadata", () => {
-    const subscriptions: Watcher.WatchInput[] = []
-    const watcher = Layer.succeed(
-      Watcher.Service,
-      Watcher.Service.of({
-        subscribe: (input) => Effect.sync(() => subscriptions.push(input)).pipe(Effect.as(Stream.empty)),
-      }),
-    )
-    return withTmp(
-      (directory) =>
-        Effect.gen(function* () {
-          yield* LocationWatcher.Service
-          yield* Effect.sync(() => subscriptions.length).pipe(
-            Effect.filterOrFail((count) => count > 0),
-            Effect.retry(Schedule.spaced("10 millis")),
-          )
-          yield* Effect.sleep("10 millis")
-          expect(subscriptions).toEqual([{ path: path.join(directory, ".hg", "branch"), type: "file" }])
-        }),
-      { vcs: "hg", watcher },
-    )
-  })
-})
-
-function wait(check: (event: WatcherEvent) => boolean) {
-  return Effect.gen(function* () {
-    const bus = yield* Bus.Service
-    const deferred = yield* Deferred.make<WatcherEvent>()
-    const fiber = yield* bus.subscribe(FileSystem.Event.Changed).pipe(
-      Stream.runForEach((event) => {
-        if (!check(event.data)) return Effect.void
-        return Deferred.succeed(deferred, event.data).pipe(Effect.asVoid)
-      }),
-      Effect.forkScoped,
-    )
-    yield* Effect.yieldNow
-    return { deferred, fiber }
-  })
-}
-
-function maybeNextUpdate<E>(
-  check: (event: WatcherEvent) => boolean,
-  trigger: Effect.Effect<void, E>,
-  timeout: Duration.Input = "5 seconds",
-) {
-  return Effect.acquireUseRelease(
-    wait(check),
-    ({ deferred }) => trigger.pipe(Effect.andThen(Deferred.await(deferred)), Effect.timeoutOption(timeout)),
-    ({ fiber }) => Fiber.interrupt(fiber),
-  )
-}
-
-function nextUpdate<E>(check: (event: WatcherEvent) => boolean, trigger: Effect.Effect<void, E>) {
-  return Effect.gen(function* () {
-    const result = yield* maybeNextUpdate(check, trigger)
-    if (Option.isSome(result)) return result.value
-    return yield* Effect.fail(new Error("timed out waiting for file watcher update"))
-  })
-}
-
-function eventuallyUpdate<E>(check: (event: WatcherEvent) => boolean, trigger: () => Effect.Effect<void, E>) {
-  return Effect.gen(function* () {
-    while (true) {
-      const result = yield* maybeNextUpdate(check, trigger(), "250 millis")
-      if (Option.isSome(result)) return result.value
-    }
-  }).pipe(
-    Effect.timeoutOrElse({
-      duration: "5 seconds",
-      orElse: () => Effect.fail(new Error("timed out waiting for file watcher readiness")),
-    }),
-  )
-}
-
-function ready(file: string, eventFile = file) {
-  return Effect.gen(function* () {
-    const fs = yield* FSUtil.Service
-    const content = (yield* fs.readFileStringSafe(file)) ?? `ready-${Math.random()}`
-    yield* eventuallyUpdate(
-      (event) => event.file === eventFile,
-      () => fs.writeFileString(file, content),
-    ).pipe(Effect.asVoid)
-  })
-}
-
-describeNative("LocationWatcher", () => {
+describeNative("Watcher", () => {
  it.live("limits file watches to the exact target", () =>
    withTmp((directory) =>
      Effect.gen(function* () {
@@ -333,68 +172,4 @@ describeNative("LocationWatcher", () => {
      }).pipe(Effect.provide(AppNodeBuilder.build(Watcher.node))),
    ),
  )
-
-  it.live("publishes .git/HEAD events", () =>
-    withTmp(
-      (directory) =>
-        Effect.gen(function* () {
-          const fs = yield* FSUtil.Service
-          const head = path.join(directory, ".git", "HEAD")
-          const branch = `watch-${Math.random().toString(36).slice(2)}`
-          yield* ready(head)
-          yield* Effect.promise(() => $`git branch ${branch}`.cwd(directory).quiet())
-          expect(
-            yield* nextUpdate((event) => event.file === head, fs.writeFileString(head, `ref: refs/heads/${branch}\n`)),
-          ).toEqual({ file: head, event: "change" })
-        }),
-      { vcs: "git" },
-    ),
-  )
-
-  const describeSymlink = process.platform !== "win32" ? describe : describe.skip
-  describeSymlink("symlinked .git", () => {
-    it.live("publishes .git/HEAD events through a symlinked .git directory", () =>
-      withTmp(
-        (directory) =>
-          Effect.gen(function* () {
-            const afs = yield* FSUtil.Service
-            const actual = path.join(directory, "..", `actual_${path.basename(directory)}`)
-            yield* Effect.addFinalizer(() => Effect.promise(() => fs.rm(actual, { recursive: true, force: true })))
-            const head = path.join(directory, ".git", "HEAD")
-            yield* ready(head, path.join(actual, "HEAD"))
-            const branch = `watch-${Math.random().toString(36).slice(2)}`
-            yield* Effect.promise(() => $`git branch ${branch}`.cwd(directory).quiet())
-            expect(
-              yield* nextUpdate(
-                (event) => event.file === path.join(actual, "HEAD"),
-                afs.writeFileString(head, `ref: refs/heads/${branch}\n`),
-              ),
-            ).toEqual({ file: path.join(actual, "HEAD"), event: "change" })
-          }),
-        {
-          vcs: "git",
-          init: async (directory) => {
-            const actual = path.join(directory, "..", `actual_${path.basename(directory)}`)
-            await fs.rename(path.join(directory, ".git"), actual)
-            await fs.symlink(actual, path.join(directory, ".git"))
-          },
-        },
-      ),
-    )
-  })
-
-  it.live("publishes .hg/branch events", () =>
-    withTmp(
-      (directory) =>
-        Effect.gen(function* () {
-          const fs = yield* FSUtil.Service
-          const branch = path.join(directory, ".hg", "branch")
-          yield* ready(branch)
-          expect(
-            yield* nextUpdate((event) => event.file === branch, fs.writeFileString(branch, "feature\n")),
-          ).toMatchObject({ file: branch })
-        }),
-      { vcs: "hg" },
-    ),
-  )
 })
@@ -42,6 +42,27 @@ const model = (packageName: string | undefined, options: ModelOptions = {}) =>
    limit: options.limit ?? { context: 100, output: 20 },
  })

+function withEnv<A, E, R>(variables: Record<string, string | undefined>, effect: () => Effect.Effect<A, E, R>) {
+  return Effect.acquireUseRelease(
+    Effect.sync(() => {
+      const previous = Object.fromEntries(Object.keys(variables).map((key) => [key, process.env[key]]))
+      Object.entries(variables).forEach(([key, value]) => {
+        if (value === undefined) delete process.env[key]
+        else process.env[key] = value
+      })
+      return previous
+    }),
+    effect,
+    (previous) =>
+      Effect.sync(() => {
+        Object.entries(previous).forEach(([key, value]) => {
+          if (value === undefined) delete process.env[key]
+          else process.env[key] = value
+        })
+      }),
+  )
+}
+
 describe("ModelResolver", () => {
  it.effect("constructs native Azure requests with deployment IDs and projected resource URLs", () =>
    Effect.gen(function* () {
@@ -230,6 +251,42 @@ describe("ModelResolver", () => {
    }),
  )

+  it.effect("resolves provider URLs from environment without mutating the catalog model", () =>
+    withEnv({ ACME_HOST: "api.acme.test" }, () =>
+      Effect.gen(function* () {
+        const catalog = model(Provider.aisdk("@ai-sdk/openai-compatible"), {
+          settings: { baseURL: "https://${ACME_HOST}/v1" },
+        })
+        const resolved = yield* ModelResolver.fromCatalogModel(catalog)
+
+        expect(resolved.route.endpoint.baseURL).toBe("https://api.acme.test/v1")
+        expect(catalog.settings?.baseURL).toBe("https://${ACME_HOST}/v1")
+      }),
+    ),
+  )
+
+  it.effect("rejects unresolved provider URL variables before route construction", () =>
+    withEnv({ REQUIRED_HOST: undefined }, () =>
+      Effect.gen(function* () {
+        const failure = yield* ModelResolver.fromCatalogModel(
+          model(Provider.aisdk("@ai-sdk/openai-compatible"), {
+            settings: { baseURL: "https://${REQUIRED_HOST}/${REQUIRED_PATH}/v1" },
+          }),
+        ).pipe(Effect.flip)
+
+        expect(failure).toMatchObject({
+          _tag: "SessionRunnerModel.UnresolvedProviderVariablesError",
+          providerID: "test-provider",
+          modelID: "test-model",
+          variables: ["REQUIRED_HOST", "REQUIRED_PATH"],
+        })
+        expect(failure.message).toBe(
+          "Cannot initialize test-provider/test-model: REQUIRED_HOST, REQUIRED_PATH are required to resolve the provider endpoint",
+        )
+      }),
+    ),
+  )
+
  it.effect("overlays selected OpenAI variant settings and bodies", () =>
    Effect.gen(function* () {
      const catalog = model(Provider.aisdk("@ai-sdk/openai"), {
@@ -242,7 +242,7 @@ describe("ModelsDevPlugin", () => {
    }).pipe(Effect.provide(models(path.join(import.meta.dir, "fixtures", "models-dev.json")))),
  )

-  it.effect("resolves declared environment variables in provider and model URLs", () =>
+  it.effect("preserves provider and model URL templates in the catalog", () =>
    withEnv(
      {
        ACME_HOST: "api.acme.test",
@@ -298,10 +298,10 @@ describe("ModelsDevPlugin", () => {
          )

          expect((yield* catalog.provider.get(providerID))?.settings?.baseURL).toBe(
-            "https://api.acme.test/${UNDECLARED_HOST}/v1",
+            "https://${ACME_HOST}/${UNDECLARED_HOST}/v1",
          )
          expect((yield* catalog.model.get(providerID, modelID))?.settings?.baseURL).toBe(
-            "https://api.acme.test/${ACME_MODEL_PATH}/v1",
+            "https://${ACME_HOST}/${ACME_MODEL_PATH}/v1",
          )
        }),
    ),
@@ -19,6 +19,9 @@ import {
  HttpResponseDetails,
 } from "@opencode-ai/ai"
 import { Permission } from "@opencode-ai/core/permission"
+import { ID } from "@opencode-ai/core/model"
+import { ModelResolver } from "@opencode-ai/core/model-resolver"
+import { Provider } from "@opencode-ai/core/provider"
 import { Tool } from "@opencode-ai/schema/tool"
 import { toSessionError } from "@opencode-ai/core/session/to-session-error"
 import { SessionRunnerRetry } from "@opencode-ai/core/session/runner/retry"
@@ -91,6 +94,19 @@ describe("toSessionError", () => {
    })
  })

+  test("preserves unresolved provider endpoint errors", () => {
+    const error = new ModelResolver.UnresolvedProviderVariablesError({
+      providerID: Provider.ID.make("cloudflare-workers-ai"),
+      modelID: ID.make("model"),
+      variables: ["CLOUDFLARE_ACCOUNT_ID"],
+    })
+    expect(toSessionError(error)).toEqual({
+      type: "provider.no-route",
+      message:
+        "Cannot initialize cloudflare-workers-ai/model: CLOUDFLARE_ACCOUNT_ID is required to resolve the provider endpoint",
+    })
+  })
+
  test("retries only rate limits, provider-internal failures, and transport failures", () => {
    const eligible = [
      llm(new RateLimitReason({ message: "rate" })),
@@ -286,27 +286,30 @@ describe("ShellTool", () => {
    ),
  )

-  it.live("permissions compound commands separately", () =>
-    Effect.acquireUseRelease(
-      Effect.promise(() => tmpdir()),
-      (tmp) => {
-        reset()
-        return withSession(tmp.path, (registry) =>
-          executeTool(registry, call({ command: "printf one && printf two" }, "call-compound")),
-        ).pipe(
-          Effect.andThen(
-            Effect.sync(() => {
-              expect(assertions).toHaveLength(1)
-              expect(assertions[0]).toMatchObject({
-                resources: ["printf one", "printf two"],
-                save: ["printf *", "printf *"],
-              })
-            }),
-          ),
-        )
-      },
-      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]().then(() => undefined)),
-    ),
+  it.live(
+    "permissions compound commands separately",
+    () =>
+      Effect.acquireUseRelease(
+        Effect.promise(() => tmpdir()),
+        (tmp) => {
+          reset()
+          return withSession(tmp.path, (registry) =>
+            executeTool(registry, call({ command: "printf one && printf two" }, "call-compound")),
+          ).pipe(
+            Effect.andThen(
+              Effect.sync(() => {
+                expect(assertions).toHaveLength(1)
+                expect(assertions[0]).toMatchObject({
+                  resources: ["printf one", "printf two"],
+                  save: ["printf *", "printf *"],
+                })
+              }),
+            ),
+          )
+        },
+        (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]().then(() => undefined)),
+      ),
+    { timeout: 15_000 },
  )

  it.live(
@@ -8,7 +8,6 @@ import { Bus } from "@opencode-ai/core/bus"
 import { Location } from "@opencode-ai/core/location"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Vcs } from "@opencode-ai/core/vcs"
-import { FileSystem } from "@opencode-ai/schema/filesystem"
 import { VcsEvent } from "@opencode-ai/schema/vcs-event"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
@@ -42,7 +41,9 @@ const withTmp = <A, E, R>(f: (directory: string) => Effect.Effect<A, E, R>) =>

 const withHg = <A, E, R>(f: (directory: string) => Effect.Effect<A, E, R>) =>
  withTmp((directory) =>
-    Effect.promise(() => hg(directory, "init")).pipe(Effect.andThen(f(directory).pipe(provide(directory)))),
+    Effect.promise(() => hg(directory, "init")).pipe(
+      Effect.andThen(f(directory).pipe(provide(directory))),
+    ),
  )

 async function hg(directory: string, ...args: string[]) {
@@ -124,13 +125,7 @@ describeHg("Vcs mercurial", () => {
          .subscribe(VcsEvent.BranchUpdated)
          .pipe(Stream.take(1), Stream.runHead, Effect.forkScoped({ startImmediately: true }))
        yield* Effect.promise(() => hg(directory, "branch", "-q", "feature"))
-        expect(yield* vcs.info()).toEqual({ branch: { current: "default", default: "default" } })
-
-        yield* bus.publish(FileSystem.Event.Changed, {
-          file: path.join(directory, ".hg", "branch"),
-          event: "change",
-        })
-        expect(yield* Fiber.join(updated)).toMatchObject({
+        expect(yield* Fiber.join(updated).pipe(Effect.timeout("5 seconds"))).toMatchObject({
          _tag: "Some",
          value: { location: { directory }, data: { branch: "feature" } },
        })
@@ -8,27 +8,66 @@ import { Bus } from "@opencode-ai/core/bus"
 import { Location } from "@opencode-ai/core/location"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Vcs } from "@opencode-ai/core/vcs"
-import { FileSystem } from "@opencode-ai/schema/filesystem"
+import { Watcher } from "@opencode-ai/core/filesystem/watcher"
 import { VcsEvent } from "@opencode-ai/schema/vcs-event"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
 import { it } from "./lib/effect"

+const describeNative = process.env.CI ? describe.skip : describe
+
+const locationLayer = (directory: string, git?: boolean) =>
+  Layer.succeed(
+    Location.Service,
+    Location.Service.of(
+      location(
+        { directory: AbsolutePath.make(directory) },
+        git ? { vcs: { type: "git", store: AbsolutePath.make(path.join(directory, ".git")) } } : {},
+      ),
+    ),
+  )
+
 const provide = (directory: string, input: { git?: boolean } = {}) =>
+  Effect.provide(
+    LayerNode.compile(LayerNode.group([Vcs.node, Bus.node]), [[Location.node, locationLayer(directory, input.git)]]),
+  )
+
+function fakeWatcher() {
+  const subscriptions: Watcher.WatchInput[] = []
+  const active = new Set<(update: Watcher.Update) => void>()
+  const native = Watcher.Native.of({
+    subscribe: (input) =>
+      Effect.sync(() => {
+        subscriptions.push(
+          input.type === "file"
+            ? { path: input.target, type: "file" }
+            : input.ignore.length > 0
+              ? { path: input.target, type: "directory", ignore: input.ignore }
+              : { path: input.target, type: "directory" },
+        )
+        active.add(input.publish)
+        return {
+          unsubscribe: () => {
+            active.delete(input.publish)
+            return Promise.resolve()
+          },
+        }
+      }),
+  })
+  return {
+    subscriptions: () => [...subscriptions],
+    emit: (update: Watcher.Update) => {
+      for (const publish of active) publish(update)
+    },
+    layer: Watcher.layer().pipe(Layer.provide(Layer.succeed(Watcher.Native, native))),
+  }
+}
+
+const provideFake = (directory: string, fake: ReturnType<typeof fakeWatcher>, git = true) =>
  Effect.provide(
    LayerNode.compile(LayerNode.group([Vcs.node, Bus.node]), [
-      [
-        Location.node,
-        Layer.succeed(
-          Location.Service,
-          Location.Service.of(
-            location(
-              { directory: AbsolutePath.make(directory) },
-              input.git ? { vcs: { type: "git", store: AbsolutePath.make(path.join(directory, ".git")) } } : {},
-            ),
-          ),
-        ),
-      ],
+      [Location.node, locationLayer(directory, git)],
+      [Watcher.node, fake.layer],
    ]),
  )

@@ -93,35 +132,84 @@ describe("Vcs", () => {
    ),
  )

-  it.live("caches branch info and publishes HEAD changes", () =>
-    withGit((directory) =>
-      Effect.gen(function* () {
-        yield* Effect.promise(async () => {
-          await fs.writeFile(path.join(directory, "file.txt"), "one\n")
-          await commitAll(directory, "initial")
-        })
-        const vcs = yield* Vcs.Service
-        const bus = yield* Bus.Service
-        expect(yield* vcs.info()).toEqual({ branch: { current: "main", default: undefined } })
-
-        const updated = yield* bus
-          .subscribe(VcsEvent.BranchUpdated)
-          .pipe(Stream.take(1), Stream.runHead, Effect.forkScoped({ startImmediately: true }))
-        yield* Effect.promise(() => $`git checkout -q -b feature`.cwd(directory).quiet())
-
-        yield* bus.publish(FileSystem.Event.Changed, { file: path.join(directory, "HEAD"), event: "change" })
-        expect(yield* vcs.info()).toEqual({ branch: { current: "main", default: undefined } })
-
-        yield* bus.publish(FileSystem.Event.Changed, { file: path.join(directory, ".git", "HEAD"), event: "change" })
-        expect(yield* Fiber.join(updated)).toMatchObject({
-          _tag: "Some",
-          value: { location: { directory }, data: { branch: "feature" } },
-        })
-        expect(yield* vcs.info()).toEqual({ branch: { current: "feature", default: "main" } })
-      }),
-    ),
+  it.live("watches git branch metadata", () =>
+    withTmp((directory) => {
+      const fake = fakeWatcher()
+      return Effect.promise(() => initRepo(directory)).pipe(
+        Effect.andThen(
+          Effect.gen(function* () {
+            yield* Vcs.Service
+            expect(fake.subscriptions()).toHaveLength(1)
+            const git = fake.subscriptions()[0]
+            if (git?.type !== "directory") throw new Error("expected a directory watch")
+            expect(git.path).toBe(path.join(directory, ".git"))
+            expect(git.ignore ?? []).not.toContain("HEAD")
+            expect(git.ignore ?? []).toContain("objects")
+          }).pipe(provideFake(directory, fake)),
+        ),
+      )
+    }),
  )

+  it.live("caches branch info and publishes HEAD changes", () =>
+    withTmp((directory) => {
+      const fake = fakeWatcher()
+      return Effect.promise(async () => {
+        await initRepo(directory)
+        await fs.writeFile(path.join(directory, "file.txt"), "one\n")
+        await commitAll(directory, "initial")
+      }).pipe(
+        Effect.andThen(
+          Effect.gen(function* () {
+            const vcs = yield* Vcs.Service
+            const bus = yield* Bus.Service
+            expect(yield* vcs.info()).toMatchObject({ branch: { current: "main" } })
+
+            const updated = yield* bus
+              .subscribe(VcsEvent.BranchUpdated)
+              .pipe(Stream.take(1), Stream.runHead, Effect.forkScoped({ startImmediately: true }))
+            yield* Effect.promise(() => $`git checkout -q -b feature`.cwd(directory).quiet())
+            fake.emit({ type: "update", path: path.join(directory, ".git", "index.lock") })
+            expect(yield* vcs.info()).toMatchObject({ branch: { current: "main" } })
+
+            fake.emit({ type: "update", path: path.join(directory, ".git", "HEAD.lock") })
+            expect(yield* Fiber.join(updated)).toMatchObject({
+              _tag: "Some",
+              value: { location: { directory }, data: { branch: "feature" } },
+            })
+            expect(yield* vcs.info()).toMatchObject({ branch: { current: "feature" } })
+          }).pipe(provideFake(directory, fake)),
+        ),
+      )
+    }),
+  )
+
+  describeNative("native watches", () => {
+    it.live("publishes branch updates on git checkout", () =>
+      withGit((directory) =>
+        Effect.gen(function* () {
+          yield* Effect.promise(async () => {
+            await fs.writeFile(path.join(directory, "file.txt"), "one\n")
+            await commitAll(directory, "initial")
+          })
+          const vcs = yield* Vcs.Service
+          const bus = yield* Bus.Service
+          expect(yield* vcs.info()).toMatchObject({ branch: { current: "main" } })
+          const updated = yield* bus
+            .subscribe(VcsEvent.BranchUpdated)
+            .pipe(Stream.take(1), Stream.runHead, Effect.forkScoped({ startImmediately: true }))
+          yield* Effect.promise(() => $`git checkout -q -b feature`.cwd(directory).quiet())
+          expect(yield* Fiber.join(updated).pipe(Effect.timeout("5 seconds"))).toMatchObject({
+            _tag: "Some",
+            value: { data: { branch: "feature" } },
+          })
+          expect(yield* vcs.info()).toMatchObject({ branch: { current: "feature" } })
+        }),
+      ),
+      { timeout: 15_000 },
+    )
+  })
+
  it.live("diffs the working copy against HEAD with patches", () =>
    withGit((directory) =>
      Effect.gen(function* () {
@@ -31,9 +31,9 @@
  },
  "peerDependencies": {
    "@opencode-ai/theme": "workspace:*",
-    "@opentui/core": ">=0.4.5",
-    "@opentui/keymap": ">=0.4.5",
-    "@opentui/solid": ">=0.4.5",
+    "@opentui/core": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/keymap": "0.0.0-20260808-9ecf7c0a",
+    "@opentui/solid": "0.0.0-20260808-9ecf7c0a",
    "solid-js": ">=1.9.0"
  },
  "peerDependenciesMeta": {
@@ -12,7 +12,7 @@ export function generateSyntax(theme: ResolvedThemeTokens, mode: Mode) {
    rule(["prompt"], theme.hue.accent[step]),
    rule(["extmark.file"], feedback.warning.default, { bold: true }),
    rule(["extmark.agent"], theme.categorical[0][step], { bold: true }),
-    rule(["extmark.skill"], theme.categorical[1][step], { bold: true }),
+    rule(["extmark.skill"], (theme.categorical[1] ?? theme.categorical[0])[step], { bold: true }),
    // V1 migration preserves its selected/inverse foreground in this action state.
    rule(["extmark.paste"], theme.text.action.primary.focused, {
      background: feedback.warning.default,
@@ -93,7 +93,6 @@
    "@opentui/keymap": "catalog:",
    "@opentui/solid": "catalog:",
    "@solid-primitives/event-bus": "1.1.2",
-    "clipboardy": "4.0.0",
    "effect": "catalog:",
    "fuzzysort": "catalog:",
    "get-east-asian-width": "catalog:",
@@ -70,7 +70,7 @@ import { DialogAgent } from "./component/dialog-agent"
 import { DialogSessionList } from "./component/dialog-session-list"
 import { DialogOpen } from "./component/dialog-open"
 import { SessionTabs } from "./component/session-tabs"
-import { effectiveSessionTabPosition } from "./ui/layout"
+import { sessionTabsFitVertically } from "./ui/layout"
 import { ThemeErrorToast } from "./component/theme-error-toast"
 import { ThemeProvider, useTheme, useThemes } from "./context/theme"
 import { Home } from "./routes/home"
@@ -97,6 +97,7 @@ import { destroyRenderer } from "./util/renderer"
 import { cliErrorMessage, errorFormat } from "./util/error"
 import { AttentionProvider } from "./context/attention"
 import { StorageProvider } from "./context/storage"
+import { createTuiClipboard } from "./clipboard"

 registerOpencodeSpinner()

@@ -251,6 +252,13 @@ export const run = Effect.fn("Tui.run")(function* (input: TuiInput) {
          (renderer) => Effect.sync(() => destroyRenderer(renderer)),
        )
      })
+      const clipboard = yield* Effect.acquireRelease(
+        Effect.sync(() => createTuiClipboard(renderer)),
+        (clipboard) =>
+          Effect.tryPromise(() => clipboard.dispose()).pipe(
+            Effect.catch((error) => Effect.sync(() => log("error", "Failed to dispose TUI clipboard", { error }))),
+          ),
+      )
      win32DisableProcessedInput()
      const finalizers = new Set<() => Promise<void>>()
      yield* Effect.addFinalizer(() =>
@@ -287,7 +295,11 @@ export const run = Effect.fn("Tui.run")(function* (input: TuiInput) {
                <EpilogueProvider set={(value) => (exit.epilogue = value)}>
                  <TuiAppProvider value={input.app}>
                    <ErrorBoundary
-                      fallback={(error, reset) => <ErrorComponent error={error} reset={reset} mode={mode} />}
+                      fallback={(error, reset) => (
+                        <ClipboardProvider value={clipboard}>
+                          <ErrorComponent error={error} reset={reset} mode={mode} />
+                        </ClipboardProvider>
+                      )}
                    >
                      <TuiPathsProvider
                        value={{
@@ -336,7 +348,7 @@ export const run = Effect.fn("Tui.run")(function* (input: TuiInput) {
                                  skipInitialLoading: Boolean(process.env.OPENCODE_FAST_BOOT),
                                }}
                              >
-                                <ClipboardProvider>
+                                <ClipboardProvider value={clipboard}>
                                  <ArgsProvider {...input.args}>
                                    <ConfigProvider
                                      config={config}
@@ -504,7 +516,7 @@ function App(props: { pair?: DialogPairCredentials }) {
    if (!text || text.length === 0) return

    await clipboard
-      .write?.(text)
+      .write(text)
      .then(() => toast.show({ message: "Copied to clipboard", variant: "info" }))
      .catch(toast.error)

@@ -513,7 +525,7 @@ function App(props: { pair?: DialogPairCredentials }) {
  const terminalTitleEnabled = () => config.data.terminal?.title ?? true
  const copyOnSelectEnabled = () => config.data.terminal?.copy_on_select ?? process.platform !== "win32"
  const pasteSummaryEnabled = () => config.data.prompt?.paste !== "full"
-  const tabPosition = () => effectiveSessionTabPosition(config.data.tabs.position, dimensions().width)
+  const tabsVertical = () => config.data.tabs.layout === "vertical" && sessionTabsFitVertically(dimensions().width)
  const tabsVisible = () =>
    sessionTabs.enabled() && (sessionTabs.tabs().length > 0 || sessionTabs.newTab()) && route.data.type !== "plugin"

@@ -1198,13 +1210,13 @@ function App(props: { pair?: DialogPairCredentials }) {
      onMouseUp={copyOnSelectEnabled() ? () => Selection.copy(renderer, toast, clipboard) : undefined}
    >
      <box flexGrow={1} minHeight={0} flexDirection="row">
-        <Show when={tabsVisible() && tabPosition() === "left"}>
+        <Show when={tabsVisible() && tabsVertical()}>
          <SessionTabs orientation="vertical" />
        </Show>
        <box flexGrow={1} minWidth={0} flexDirection="column">
          <Show when={plugins.ready()}>
            <box flexGrow={1} minHeight={0} flexDirection="column">
-              <Show when={tabsVisible() && tabPosition() === "top"}>
+              <Show when={tabsVisible() && !tabsVertical()}>
                <SessionTabs />
              </Show>
              <Switch>
@@ -1224,16 +1236,10 @@ function App(props: { pair?: DialogPairCredentials }) {
                  />
                </Match>
              </Switch>
-              <Show when={tabsVisible() && tabPosition() === "bottom"}>
-                <SessionTabs />
-              </Show>
            </box>
            <PluginSlot name="app" input={{}} mode="all" />
          </Show>
        </box>
-        <Show when={tabsVisible() && tabPosition() === "right"}>
-          <SessionTabs orientation="vertical" />
-        </Show>
      </box>
      <Show when={devtools()}>
        <DevToolsBar />
@@ -1,125 +1,66 @@
-import { execFile, spawn } from "node:child_process"
-import { readFile, rm } from "node:fs/promises"
-import { platform, release, tmpdir } from "node:os"
-import path from "node:path"
-import { promisify } from "node:util"
+import {
+  createClipboard,
+  createHostClipboard,
+  createRendererClipboardAdapter,
+  decodePasteBytes,
+  type ClipboardService as CoreClipboardService,
+  type RendererClipboardBoundary,
+} from "@opentui/core"
+import type { ClipboardContent, ClipboardService } from "./context/clipboard"

-const exec = promisify(execFile)
+export type OwnedClipboardService = Required<ClipboardService> & Readonly<{ dispose(): Promise<void> }>

-function command(command: string, args: string[] = [], input?: string) {
-  return new Promise<Buffer>((resolve, reject) => {
-    const child = spawn(command, args, { stdio: [input === undefined ? "ignore" : "pipe", "pipe", "ignore"] })
-    const output: Buffer[] = []
-    child.on("error", reject)
-    child.stdout?.on("data", (chunk: Buffer) => output.push(chunk))
-    child.on("close", (code) => {
-      if (code === 0) return resolve(Buffer.concat(output))
-      reject(new Error(`${command} exited with code ${code}`))
-    })
-    if (input !== undefined) child.stdin?.end(input)
-  })
+export function createTuiClipboard(renderer: RendererClipboardBoundary): OwnedClipboardService {
+  return createClipboardAdapter(
+    createClipboard({
+      host: createHostClipboard(),
+      terminal: createRendererClipboardAdapter(renderer),
+    }),
+  )
 }

-function writeOsc52(text: string) {
-  if (!process.stdout.isTTY) return
-  const sequence = `\x1b]52;c;${Buffer.from(text).toString("base64")}\x07`
-  const passthrough = `\x1bPtmux;\x1b${sequence}\x1b\\`
-  process.stdout.write(process.env.TMUX ? sequence + passthrough : process.env.STY ? passthrough : sequence)
-}
-
-export async function read() {
-  if (platform() === "darwin") {
-    const file = path.join(tmpdir(), "opencode-clipboard.png")
-    try {
-      await exec("osascript", [
-        "-e",
-        'set imageData to the clipboard as "PNGf"',
-        "-e",
-        `set fileRef to open for access POSIX file "${file}" with write permission`,
-        "-e",
-        "set eof fileRef to 0",
-        "-e",
-        "write imageData to fileRef",
-        "-e",
-        "close access fileRef",
-      ])
-      return { data: (await readFile(file)).toString("base64"), mime: "image/png" }
-    } catch {
-      // Fall through to text clipboard.
-    } finally {
-      await rm(file, { force: true }).catch(() => {})
-    }
-  }
-
-  if (platform() === "win32" || release().includes("WSL")) {
-    const script =
-      "Add-Type -AssemblyName System.Windows.Forms; $img = [System.Windows.Forms.Clipboard]::GetImage(); if ($img) { $ms = New-Object System.IO.MemoryStream; $img.Save($ms, [System.Drawing.Imaging.ImageFormat]::Png); [System.Convert]::ToBase64String($ms.ToArray()) }"
-    const image = await command("powershell.exe", ["-NonInteractive", "-NoProfile", "-command", script]).catch(() =>
-      Buffer.alloc(0),
-    )
-    if (image.length) return { data: image.toString().trim(), mime: "image/png" }
-  }
-
-  if (platform() === "linux") {
-    const wayland = await command("wl-paste", ["-t", "image/png"]).catch(() => Buffer.alloc(0))
-    if (wayland.length) return { data: wayland.toString("base64"), mime: "image/png" }
-    const x11 = await command("xclip", ["-selection", "clipboard", "-t", "image/png", "-o"]).catch(() =>
-      Buffer.alloc(0),
-    )
-    if (x11.length) return { data: x11.toString("base64"), mime: "image/png" }
-  }
-
-  const { default: clipboardy } = await import("clipboardy")
-  const text = await clipboardy.read().catch(() => undefined)
-  if (text) return { data: text, mime: "text/plain" }
-}
-
-export function copyCommand(
-  os: NodeJS.Platform,
-  wayland: boolean,
-  has: (name: string) => boolean,
-): string[] | undefined {
-  if (os === "darwin" && has("osascript")) return ["osascript"]
-  if (os === "linux" && wayland && has("wl-copy")) return ["wl-copy"]
-  if (os === "linux" && has("xclip")) return ["xclip", "-selection", "clipboard"]
-  if (os === "linux" && has("xsel")) return ["xsel", "--clipboard", "--input"]
-  if (os === "win32" && has("powershell.exe")) {
-    return [
-      "powershell.exe",
-      "-NonInteractive",
-      "-NoProfile",
-      "-Command",
-      "[Console]::InputEncoding = [System.Text.Encoding]::UTF8; Set-Clipboard -Value ([Console]::In.ReadToEnd())",
-    ]
-  }
-}
-
-let copyMethod: Promise<(text: string) => Promise<void>> | undefined
-
-function getCopyMethod() {
-  return (copyMethod ??= (async () => {
-    const { which } = await import("@opencode-ai/core/util/which")
-    const native = copyCommand(platform(), Boolean(process.env.WAYLAND_DISPLAY), (name) => Boolean(which(name)))
-    if (native?.[0] === "osascript") {
-      return async (text: string) => {
-        const escaped = text.replace(/\\/g, "\\\\").replace(/"/g, '\\"')
-        await command("osascript", ["-e", `set the clipboard to "${escaped}"`]).catch(() => undefined)
+export function createClipboardAdapter(clipboard: CoreClipboardService): OwnedClipboardService {
+  return {
+    async read(): Promise<ClipboardContent | undefined> {
+      const result = await clipboard.read({
+        preferredTypes: ["image/png", "text/plain"],
+        selection: "clipboard",
+      })
+      if (result.status !== "read") {
+        if (result.status === "failed") throw result.error
+        if (result.status === "timed-out") throw new Error("Clipboard read timed out")
+        if (result.status === "limit-exceeded") {
+          throw new RangeError("Clipboard content exceeded configured read or image conversion limits")
+        }
+        return undefined
      }
-    }
-    if (native) {
-      return async (text: string) => {
-        await command(native[0], native.slice(1), text).catch(() => undefined)
-      }
-    }
-    return async (text: string) => {
-      const { default: clipboardy } = await import("clipboardy")
-      await clipboardy.write(text).catch(() => undefined)
-    }
-  })())
-}

-export async function write(text: string) {
-  writeOsc52(text)
-  const method = await getCopyMethod()
-  await method(text)
+      if (result.representation.mimeType === "image/png") {
+        return {
+          data: Buffer.from(result.representation.bytes).toString("base64"),
+          mime: result.representation.mimeType,
+        }
+      }
+      if (result.representation.mimeType === "text/plain") {
+        if (result.representation.bytes.length === 0) return undefined
+        return {
+          data: decodePasteBytes(result.representation.bytes),
+          mime: result.representation.mimeType,
+        }
+      }
+      throw new Error(`Unexpected clipboard MIME type: ${result.representation.mimeType}`)
+    },
+    async write(text) {
+      const result = await clipboard.writeText(text, {
+        destination: "all-available",
+        selection: "clipboard",
+      })
+      if (result.host.status === "written" || result.terminal.status === "attempted") return
+      if (result.host.status === "failed") throw result.host.error
+      throw new Error(`Clipboard write failed (host: ${result.host.status}, terminal: ${result.terminal.status})`)
+    },
+    dispose() {
+      return clipboard.dispose()
+    },
+  }
 }
@@ -1,5 +1,5 @@
 import { createMemo, createSignal } from "solid-js"
-import { TabPosition, useConfig } from "../config"
+import { useConfig } from "../config"
 import { useThemes } from "../context/theme"
 import { DialogSelect } from "../ui/dialog-select"
 import { useToast } from "../ui/toast"
@@ -84,6 +84,15 @@ export const settings: Setting[] = [
    values: ["none", "auto"],
    keywords: ["transcript", "messages"],
  },
+  {
+    title: "Transcript images",
+    category: "Session",
+    path: ["session", "image_preview"],
+    default: false,
+    values: [false, true],
+    labels: ["off", "on"],
+    keywords: ["attachments", "images", "tool output"],
+  },
  {
    title: "Enabled",
    category: "Tabs",
@@ -101,12 +110,12 @@ export const settings: Setting[] = [
    labels: ["current directory", "global"],
  },
  {
-    title: "Position",
+    title: "Layout",
    category: "Tabs",
-    path: ["tabs", "position"],
-    default: "top",
-    values: TabPosition.literals,
-    keywords: ["sidebar", "orientation", "layout"],
+    path: ["tabs", "layout"],
+    default: "horizontal",
+    values: ["horizontal", "vertical"],
+    keywords: ["sidebar", "orientation", "left"],
  },
  {
    title: "Layout",
@@ -188,6 +197,15 @@ export const settings: Setting[] = [
    values: ["compact", "full"],
    keywords: ["paste summary", "clipboard", "pasted content"],
  },
+  {
+    title: "Image previews",
+    category: "Input",
+    path: ["prompt", "image_preview"],
+    default: false,
+    values: [false, true],
+    labels: ["off", "on"],
+    keywords: ["attachments", "clipboard", "images", "prompt"],
+  },
  {
    title: "Leader timeout",
    category: "Input",
@@ -39,7 +39,7 @@ export function DialogDebug() {
      .map((entry) => `${entry.label}: ${entry.value}`)
      .join("\n")
    void clipboard
-      .write?.(text)
+      .write(text)
      .then(() => {
        setCopied(true)
        toast.show({ message: "Debug info copied to clipboard", variant: "info" })
@@ -0,0 +1,71 @@
+import { TextAttributes } from "@opentui/core"
+import { useTerminalDimensions } from "@opentui/solid"
+import { createMemo, createSignal } from "solid-js"
+import { Keymap } from "../context/keymap"
+import { useTheme } from "../context/theme"
+import { useDialog } from "../ui/dialog"
+
+type ImagePreviewItem = Readonly<{
+  uri: string
+  mention?: Readonly<{ text: string }>
+}>
+
+export function DialogImagePreview(props: { images: readonly ImagePreviewItem[]; initial: number }) {
+  const dialog = useDialog()
+  const dimensions = useTerminalDimensions()
+  const theme = useTheme("elevated")
+  const [index, setIndex] = createSignal(Math.max(0, Math.min(props.images.length - 1, props.initial)))
+  const [failed, setFailed] = createSignal(false)
+  const current = createMemo(() => props.images[index()])
+  const imageHeight = createMemo(() => Math.max(3, dimensions().height - 8))
+
+  dialog.setSize("xlarge")
+  dialog.setCentered(true)
+
+  function move(direction: number) {
+    if (props.images.length < 2) return
+    setFailed(false)
+    setIndex((value) => (value + direction + props.images.length) % props.images.length)
+  }
+
+  Keymap.createLayer(() => ({
+    mode: "modal",
+    commands: [
+      { bind: "left", title: "Previous image", group: "Dialog", run: () => move(-1) },
+      { bind: "right", title: "Next image", group: "Dialog", run: () => move(1) },
+    ],
+  }))
+
+  return (
+    <box id="prompt-image-viewer" paddingLeft={2} paddingRight={2} paddingBottom={1} gap={1}>
+      <box flexDirection="row" justifyContent="space-between">
+        <text attributes={TextAttributes.BOLD} fg={theme.text.default}>
+          Image {index() + 1} of {props.images.length}
+        </text>
+        <text fg={theme.text.subdued} onMouseUp={() => dialog.clear()}>
+          esc
+        </text>
+      </box>
+      <image
+        id="prompt-image-viewer-image"
+        source={current().uri}
+        fit="fit"
+        protocol="auto"
+        width="100%"
+        height={imageHeight()}
+        onError={() => setFailed(true)}
+      />
+      <box flexDirection="row" justifyContent="space-between">
+        <text fg={theme.text.subdued} onMouseUp={() => move(-1)}>
+          {props.images.length > 1 ? "← previous" : ""}
+        </text>
+        <text fg={failed() ? theme.text.feedback.error.default : theme.text.subdued} wrapMode="none" truncate>
+          {failed() ? "No preview" : (current().mention?.text ?? `Image ${index() + 1}`)}
+        </text>
+        <text fg={theme.text.subdued} onMouseUp={() => move(1)}>
+          {props.images.length > 1 ? "next →" : ""}
+        </text>
+      </box>
+    </box>
+  )
+}
@@ -492,7 +492,7 @@ function OAuthAuto(props: {
        run: () => {
          const value = props.attempt.instructions.match(/[A-Z0-9]{4}-[A-Z0-9]{4,5}/)?.[0] ?? props.attempt.url
          clipboard
-            .write?.(value)
+            .write(value)
            .then(() => toast.show({ message: "Copied to clipboard", variant: "info" }))
            .catch(toast.error)
        },
@@ -172,7 +172,6 @@ function DialogMcpError(props: { server: McpServer; onBack: () => void }) {
  onMount(() => dialog.setSize("large"))

  const copy = () => {
-    if (!clipboard.write) return
    void clipboard
      .write(error())
      .then(() => setCopied(true))
@@ -12,7 +12,7 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
  const exit = useExit()
  const clipboard = useClipboard()
  const app = useTuiApp()
-  const [copied, setCopied] = createSignal(false)
+  const [copyState, setCopyState] = createSignal<"idle" | "copied" | "failed">("idle")

  // Safe fallback palette per mode (mirrors theme/assets/opencode.json) since the
  // theme context may be the thing that crashed.
@@ -46,11 +46,19 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
  const issueURL = buildIssueURL(message, stack, app.version)

  const copyReport = () => {
-    void clipboard.write?.(issueURL.toString()).then(() => setCopied(true))
+    void clipboard
+      .write(issueURL.toString())
+      .then(() => setCopyState("copied"))
+      .catch(() => setCopyState("failed"))
  }

  const actions = [
-    { key: "c", label: () => (copied() ? "✓ Copied" : "Copy report"), copy: true, onUse: copyReport },
+    {
+      key: "c",
+      label: () => ({ idle: "Copy report", copied: "✓ Copied", failed: "Copy failed" })[copyState()],
+      copy: true,
+      onUse: copyReport,
+    },
    { key: "r", label: () => "Restart", onUse: props.reset },
    { key: "q", label: () => "Quit", onUse: () => exit() },
  ]
@@ -135,13 +143,20 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
          <For each={actions}>
            {(action, index) => {
              const isSelected = () => selected() === index()
-              const isCopied = () => action.copy && copied()
+              const copyColor = () =>
+                action.copy
+                  ? copyState() === "copied"
+                    ? colors.success
+                    : copyState() === "failed"
+                      ? colors.error
+                      : undefined
+                  : undefined
              return (
                <box flexDirection="column" alignItems="center" flexShrink={0}>
                  <box
                    onMouseDown={() => setSelected(index())}
                    onMouseUp={() => action.onUse()}
-                    backgroundColor={isCopied() ? colors.success : isSelected() ? colors.primary : colors.element}
+                    backgroundColor={copyColor() ?? (isSelected() ? colors.primary : colors.element)}
                    minWidth={15}
                    alignItems="center"
                    paddingLeft={2}
@@ -149,7 +164,7 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
                  >
                    <text
                      attributes={TextAttributes.BOLD}
-                      fg={isCopied() || isSelected() ? colors.onPrimary : colors.text}
+                      fg={copyColor() || isSelected() ? colors.onPrimary : colors.text}
                    >
                      {action.label()}
                    </text>
@@ -189,9 +204,11 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
        <Show when={showFooter()}>
          <box flexDirection="column" alignItems="center" flexShrink={0}>
            <text fg={colors.muted}>
-              {copied()
+              {copyState() === "copied"
                ? "Report copied — paste it into a new GitHub issue."
-                : "Copy the report and open a GitHub issue to help us fix this."}
+                : copyState() === "failed"
+                  ? "Clipboard write failed. Try again or report the crash manually."
+                  : "Copy the report and open a GitHub issue to help us fix this."}
            </text>
            <text fg={colors.muted}>OpenCode {app.version}</text>
          </box>
@@ -7,9 +7,8 @@ import {
  decodePasteBytes,
  type KeyEvent,
 } from "@opentui/core"
-import { createEffect, createMemo, onMount, createSignal, onCleanup, on, Show, Switch, Match } from "solid-js"
+import { createEffect, createMemo, onMount, createSignal, onCleanup, on, Show, Switch, Match, For } from "solid-js"
 import path from "path"
-import { fileURLToPath } from "url"
 import { useLocal } from "../../context/local"
 import { useTheme, useThemes } from "../../context/theme"
 import { tint } from "../../theme/color"
@@ -48,13 +47,20 @@ import { DialogSkill } from "../dialog-skill"
 import { useArgs } from "../../context/args"
 import { useConfig } from "../../config"
 import { usePromptMove } from "./move"
-import { readLocalAttachment } from "./local-attachment"
+import {
+  normalizePastedFilepath,
+  parsePastedFilepaths,
+  readLocalAttachment,
+  MAX_LOCAL_ATTACHMENT_BYTES,
+  type LocalAttachment,
+} from "./local-attachment"
 import { useData } from "../../context/data"
 import { useLocation } from "../../context/location"
 import { Keymap, type KeymapCommand } from "../../context/keymap"
 import { abbreviateHome } from "../../runtime"
 import { PluginSlot } from "../../plugin/render"
 import type { SessionPending } from "@opencode-ai/schema/session-pending"
+import { DialogImagePreview } from "../dialog-image-preview"

 export type PromptProps = {
  sessionID?: string
@@ -72,17 +78,6 @@ export type PromptProps = {
  }
 }

-function pastedFilepath(value: string, platform: string) {
-  const raw = value.replace(/^['"]+|['"]+$/g, "")
-  if (raw.startsWith("file://")) {
-    try {
-      return fileURLToPath(raw)
-    } catch {}
-  }
-  if (platform === "win32") return raw
-  return raw.replace(/\\(.)/g, "$1")
-}
-
 export type PromptRef = {
  focused: boolean
  current: PromptInfo
@@ -312,6 +307,41 @@ export function Prompt(props: PromptProps) {
    extmarkToPart: new Map(),
    interrupt: 0,
  })
+  let disposed = false
+  let pasteQueue = Promise.resolve()
+
+  function enqueuePaste(run: (changed: () => boolean) => Promise<void>) {
+    pasteQueue = pasteQueue
+      .then(async () => {
+        if (disposed || input.isDestroyed) return
+        const before = { sessionID: props.sessionID, mode: store.mode, text: input.plainText }
+        await run(
+          () =>
+            disposed ||
+            input.isDestroyed ||
+            props.sessionID !== before.sessionID ||
+            store.mode !== before.mode ||
+            input.plainText !== before.text,
+        )
+      })
+      .catch((error) => {
+        if (!disposed) toast.error(error)
+      })
+    return pasteQueue
+  }
+
+  const imageAttachments = createMemo(() =>
+    (store.prompt.files ?? []).filter((file) => typeof file.uri === "string" && file.uri.startsWith("data:image/")),
+  )
+  const imagePreviewHeight = createMemo(() => Math.max(4, Math.min(8, Math.floor(dimensions().height / 4))))
+  const imagePreviewWidth = createMemo(() => imagePreviewHeight() * 2)
+  const visibleImageAttachments = createMemo(() => imageAttachments().slice(0, 3))
+
+  function openImagePreview(initial: number) {
+    const images = imageAttachments()
+    if (images.length === 0) return
+    dialog.replace(() => <DialogImagePreview images={images} initial={initial} />)
+  }

  createEffect(
    on(
@@ -391,22 +421,32 @@ export function Prompt(props: PromptProps) {
        name: "prompt.paste",
        category: "Prompt",
        palette: undefined,
-        run: async (_input: string | undefined, event?: KeyEvent) => {
+        run: (_input: string | undefined, event?: KeyEvent) => {
          event?.preventDefault()
          event?.stopPropagation()
-          const content = await clipboard.read?.()
-          if (content?.mime.startsWith("image/")) {
-            await pasteAttachment({
-              filename: "clipboard",
-              uri: `data:${content.mime};base64,${content.data}`,
-            })
-            return
-          }
-          if (content?.mime === "text/plain") {
-            await pasteInputText(content.data)
-          }
+          return enqueuePaste(async (changed) => {
+            const content = await clipboard.read()
+            if (changed()) return
+            if (content?.mime.startsWith("image/")) {
+              pasteAttachment({
+                filename: "clipboard",
+                uri: `data:${content.mime};base64,${content.data}`,
+              })
+              return
+            }
+            if (content?.mime === "text/plain") {
+              await pasteInputText(content.data, changed)
+            }
+          })
        },
      },
+      {
+        title: "View image attachments",
+        name: "prompt.images.view",
+        category: "Prompt",
+        enabled: imageAttachments().length > 0,
+        run: () => openImagePreview(0),
+      },
      {
        title: "Interrupt session",
        name: "session.interrupt",
@@ -561,6 +601,7 @@ export function Prompt(props: PromptProps) {
      "prompt.submit",
      "prompt.editor",
      "prompt.editor_context.clear",
+      "prompt.images.view",
      "prompt.stash",
      "prompt.stash.pop",
      "prompt.stash.list",
@@ -614,6 +655,7 @@ export function Prompt(props: PromptProps) {
  })

  onCleanup(() => {
+    disposed = true
    if (store.prompt.text) {
      stashed = { prompt: unwrap(store.prompt), cursor: input.cursorOffset }
    }
@@ -1262,27 +1304,39 @@ export function Prompt(props: PromptProps) {
    return true
  }

-  async function pasteInputText(text: string) {
+  async function pasteInputText(text: string, changed: () => boolean) {
    const normalizedText = text.replace(/\r\n/g, "\n").replace(/\r/g, "\n")
    const pastedContent = normalizedText.trim()
-    const filepath = pastedFilepath(pastedContent, terminalEnvironment.platform)
+    const filepath = normalizePastedFilepath(pastedContent, terminalEnvironment.platform)
    const isUrl = /^(https?):\/\//.test(filepath)
    if (!isUrl) {
      const attachment = await readLocalAttachment(filepath)
-      const filename = path.basename(filepath)
-      if (attachment?.type === "text") {
-        pasteText(attachment.content, `[SVG: ${filename ?? "image"}]`)
+      if (attachment) {
+        if (changed()) return
+        pasteLocalAttachment(filepath, attachment)
        return
      }
-      if (attachment?.type === "binary") {
-        await pasteAttachment({
-          filename,
-          uri: `data:${attachment.mime};base64,${Buffer.from(attachment.content).toString("base64")}`,
-        })
-        return
+
+      const filepaths = parsePastedFilepaths(pastedContent, terminalEnvironment.platform)
+      if (filepaths.length > 1) {
+        let remaining = MAX_LOCAL_ATTACHMENT_BYTES
+        const attachments: Array<{ filepath: string; attachment: LocalAttachment }> = []
+        for (const candidate of filepaths) {
+          const next = await readLocalAttachment(candidate, remaining)
+          if (!next) break
+          remaining -= typeof next.content === "string" ? Buffer.byteLength(next.content) : next.content.byteLength
+          attachments.push({ filepath: candidate, attachment: next })
+        }
+        if (attachments.length === filepaths.length) {
+          if (changed()) return
+          for (const item of attachments) pasteLocalAttachment(item.filepath, item.attachment)
+          return
+        }
      }
    }

+    if (changed()) return
+
    const lineCount = (pastedContent.match(/\n/g)?.length ?? 0) + 1
    if ((lineCount >= 3 || pastedContent.length > 150) && config.prompt?.paste !== "full") {
      const extmark = input.extmarks.getAllForTypeId(promptPartTypeId).find((extmark) => {
@@ -1307,12 +1361,27 @@ export function Prompt(props: PromptProps) {
    }, 0)
  }

-  async function pasteAttachment(file: { filename?: string; uri: string }) {
+  function pasteLocalAttachment(filepath: string, attachment: LocalAttachment) {
+    const filename = path.basename(filepath)
+    if (attachment.type === "text") {
+      pasteText(attachment.content, `[SVG: ${filename || "image"}]`)
+      return
+    }
+    pasteAttachment({
+      filename,
+      uri: `data:${attachment.mime};base64,${Buffer.from(attachment.content).toString("base64")}`,
+    })
+  }
+
+  function pasteAttachment(file: { filename?: string; uri: string }) {
    const currentOffset = input.cursorOffset
    const extmarkStart = currentOffset
    const pdf = file.uri.startsWith("data:application/pdf;")
-    const prefix = pdf ? "data:application/pdf;" : "data:image/"
-    const count = store.prompt.files?.filter((attachment) => attachment.uri.startsWith(prefix)).length ?? 0
+    const count = pdf
+      ? (store.prompt.files?.filter(
+          (attachment) => typeof attachment.uri === "string" && attachment.uri.startsWith("data:application/pdf;"),
+        ).length ?? 0)
+      : imageAttachments().length
    const virtualText = pdf ? `[PDF ${count + 1}]` : `[Image ${count + 1}]`
    const extmarkEnd = extmarkStart + virtualText.length
    const textToInsert = virtualText + " "
@@ -1344,7 +1413,6 @@ export function Prompt(props: PromptProps) {
        draft.extmarkToPart.set(extmarkId, { type: "file", index })
      }),
    )
-    return
  }

  function clearPrompt() {
@@ -1468,6 +1536,74 @@ export function Prompt(props: PromptProps) {
            flexGrow={1}
            width="100%"
          >
+            <Show when={config.prompt?.image_preview && visibleImageAttachments().length > 0}>
+              <box
+                width="100%"
+                height={imagePreviewHeight() + 1}
+                flexDirection="row"
+                flexShrink={0}
+                justifyContent="flex-start"
+                gap={1}
+                paddingBottom={1}
+              >
+                <For each={visibleImageAttachments()}>
+                  {(file, index) => {
+                    const [failed, setFailed] = createSignal(false)
+                    return (
+                      <box
+                        width={imagePreviewWidth()}
+                        height={imagePreviewHeight()}
+                        flexBasis={imagePreviewWidth()}
+                        flexShrink={1}
+                        onMouseUp={(event: MouseEvent) => {
+                          if (event.button !== 0) return
+                          event.stopPropagation()
+                          openImagePreview(index())
+                        }}
+                      >
+                        <Show
+                          when={!failed()}
+                          fallback={
+                            <box width="100%" height="100%" alignItems="center" justifyContent="center">
+                              <text fg={theme.text.subdued}>No preview</text>
+                            </box>
+                          }
+                        >
+                          <image
+                            id={`prompt-image-preview-${index()}`}
+                            source={file.uri}
+                            fit="cover"
+                            protocol="auto"
+                            width="100%"
+                            height="100%"
+                            onError={() => setFailed(true)}
+                          />
+                        </Show>
+                      </box>
+                    )
+                  }}
+                </For>
+                <Show when={imageAttachments().length > visibleImageAttachments().length}>
+                  <box
+                    width={8}
+                    height={imagePreviewHeight()}
+                    flexBasis={8}
+                    flexShrink={1}
+                    alignItems="center"
+                    justifyContent="center"
+                    onMouseUp={(event: MouseEvent) => {
+                      if (event.button !== 0) return
+                      event.stopPropagation()
+                      openImagePreview(visibleImageAttachments().length)
+                    }}
+                  >
+                    <text fg={theme.text.subdued} wrapMode="none" truncate>
+                      +{imageAttachments().length - visibleImageAttachments().length} more
+                    </text>
+                  </box>
+                </Show>
+              </box>
+            </Show>
            <textarea
              width="100%"
              placeholder={placeholderText()}
@@ -1496,7 +1632,7 @@ export function Prompt(props: PromptProps) {
                // hangul) is flushed to plainText before we read it for submission.
                setTimeout(() => setTimeout(() => submit(), 0), 0)
              }}
-              onPaste={async (event: PasteEvent) => {
+              onPaste={(event: PasteEvent) => {
                if (props.disabled) {
                  event.preventDefault()
                  return
@@ -1506,11 +1642,10 @@ export function Prompt(props: PromptProps) {
                // Windows ConPTY/Terminal often sends CR-only newlines in bracketed paste
                // Replace CRLF first, then any remaining CR
                const normalizedText = decodePasteBytes(event.bytes).replace(/\r\n/g, "\n").replace(/\r/g, "\n")
-                const pastedContent = normalizedText.trim()

                // Windows Terminal <1.25 can surface image-only clipboard as an
                // empty bracketed paste. Windows Terminal 1.25+ does not.
-                if (!pastedContent) {
+                if (event.bytes.byteLength === 0) {
                  keymap.dispatch("prompt.paste")
                  return
                }
@@ -1519,7 +1654,7 @@ export function Prompt(props: PromptProps) {
                // default paste unless we suppress it first and handle insertion ourselves.
                event.preventDefault()

-                await pasteInputText(normalizedText)
+                void enqueuePaste((changed) => pasteInputText(normalizedText, changed))
              }}
              ref={(r: TextareaRenderable) => {
                input = r
@@ -1,9 +1,12 @@
-import { readFile } from "node:fs/promises"
 import path from "node:path"

+// Bound filesystem work per terminal paste; the byte budget also bounds staged data.
+const MAX_PASTED_FILEPATHS = 32
+export const MAX_LOCAL_ATTACHMENT_BYTES = 20 * 1024 * 1024
+
 export type LocalFiles = Readonly<{
-  readText(path: string): Promise<string>
-  readBytes(path: string): Promise<Uint8Array>
+  readText(path: string, maxBytes: number): Promise<string>
+  readBytes(path: string, maxBytes: number): Promise<Uint8Array>
  mime(path: string): Promise<string>
 }>

@@ -11,14 +14,15 @@ export type LocalAttachment =
  | Readonly<{ type: "text"; mime: "image/svg+xml"; content: string }>
  | Readonly<{ type: "binary"; mime: string; content: Uint8Array }>

-export function readLocalAttachment(file: string) {
+export function readLocalAttachment(file: string, maxBytes = MAX_LOCAL_ATTACHMENT_BYTES) {
  return readLocalAttachmentWith(
    {
-      readText: (value) => readFile(value, "utf8"),
-      readBytes: (value) => readFile(value),
+      readText: async (value, limit) => (await readFileBounded(value, limit)).toString("utf8"),
+      readBytes: readFileBounded,
      mime: async (value) => mimeTypes[path.extname(value).toLowerCase()] ?? "application/octet-stream",
    },
    file,
+    maxBytes,
  )
 }

@@ -33,16 +37,108 @@ const mimeTypes: Record<string, string> = {
  ".webp": "image/webp",
 }

-export async function readLocalAttachmentWith(files: LocalFiles, path: string): Promise<LocalAttachment | undefined> {
+async function readFileBounded(file: string, maxBytes: number) {
+  const source = Bun.file(file)
+  if (!(await source.exists())) throw new Error("Attachment does not exist")
+  if (source.size > maxBytes) throw new Error("Attachment exceeds the local file limit")
+  const content = Buffer.from(await source.slice(0, maxBytes + 1).arrayBuffer())
+  if (content.byteLength > maxBytes) throw new Error("Attachment exceeds the local file limit")
+  return content
+}
+
+export function normalizePastedFilepath(value: string, platform: string) {
+  const raw = value.replace(/^['"]+|['"]+$/g, "")
+  const url = decodeFileURL(raw, platform)
+  if (url) return url
+  if (platform === "win32") return raw
+  return raw.replace(/\\(.)/g, "$1")
+}
+
+function decodeFileURL(value: string, platform: string): string | undefined {
+  if (!value.startsWith("file://")) return undefined
+  try {
+    const url = new URL(value)
+    if (/%2f|%5c/i.test(url.pathname)) return undefined
+    const pathname = decodeURIComponent(url.pathname)
+    if (platform !== "win32") {
+      if (url.hostname && url.hostname !== "localhost") return undefined
+      return pathname
+    }
+    const local = pathname.replace(/^\/([A-Za-z]:)/, "$1").replaceAll("/", "\\")
+    if (url.hostname && url.hostname !== "localhost") return `\\\\${url.hostname}${local}`
+    return local
+  } catch {
+    return undefined
+  }
+}
+
+export function parsePastedFilepaths(value: string, platform: string) {
+  const result: string[] = []
+  let current = ""
+  let quote = ""
+
+  function push() {
+    if (!current) return
+    result.push(decodeFileURL(current, platform) ?? current)
+    current = ""
+  }
+
+  const input = value.includes("file://")
+    ? value
+        .split(/\r?\n/)
+        .filter((line) => !line.trimStart().startsWith("#"))
+        .join("\n")
+    : value
+  for (let index = 0; index < input.length; index++) {
+    const character = input[index]
+    if (quote) {
+      if (character === quote) {
+        quote = ""
+        continue
+      }
+      if (character === "\\" && platform !== "win32" && quote === '"' && index + 1 < input.length) {
+        current += input[++index]
+        continue
+      }
+      current += character
+      continue
+    }
+    if (character === "'" || character === '"') {
+      quote = character
+      continue
+    }
+    if (character === "\\" && platform !== "win32" && index + 1 < input.length) {
+      current += input[++index]
+      continue
+    }
+    if (/\s/.test(character)) {
+      push()
+      if (result.length > MAX_PASTED_FILEPATHS) return []
+      continue
+    }
+    current += character
+  }
+
+  if (quote) return []
+  push()
+  if (result.length > MAX_PASTED_FILEPATHS) return []
+  return result
+}
+
+export async function readLocalAttachmentWith(
+  files: LocalFiles,
+  path: string,
+  maxBytes = MAX_LOCAL_ATTACHMENT_BYTES,
+): Promise<LocalAttachment | undefined> {
  const mime = await files.mime(path).catch(() => undefined)
-  if (!mime) return
+  if (!mime) return undefined
+  if (!mime.startsWith("image/") && mime !== "application/pdf") return undefined
  if (mime === "image/svg+xml") {
-    const content = await files.readText(path).catch(() => undefined)
-    if (!content) return
+    const content = await files.readText(path, maxBytes).catch(() => undefined)
+    if (!content || Buffer.byteLength(content) > maxBytes) return undefined
    return { type: "text", mime, content }
  }
-  if (!mime.startsWith("image/") && mime !== "application/pdf") return
-  const content = await files.readBytes(path).catch(() => undefined)
-  if (!content) return
+  const content = await files.readBytes(path, maxBytes).catch(() => undefined)
+  if (!content || content.byteLength > maxBytes) return undefined
  return { type: "binary", mime, content }
 }
@@ -1,5 +1,5 @@
 import { RGBA, ScrollBoxRenderable, TextAttributes } from "@opentui/core"
-import { For, Show, createComputed, createEffect, createMemo, createSignal, untrack } from "solid-js"
+import { For, Show, createComputed, createEffect, createMemo, createSignal, onCleanup, untrack } from "solid-js"
 import { useTerminalDimensions } from "@opentui/solid"
 import { useConfig } from "../config"
 import { useSessionTabs } from "../context/session-tabs"
@@ -16,16 +16,19 @@ import {
  type SessionTab,
  type SessionTabUnread,
 } from "../context/session-tabs-model"
-import { createAnimatable, spring } from "../ui/animation"
+import { createAnimatable, spring, tween } from "../ui/animation"
 import { Locale } from "../util/locale"
 import { stringWidth } from "../util/string-width"
 import { TabPulse, unreadGlowIntensity } from "./tab-pulse"
 import { tint } from "../theme/color"
 import { SESSION_SIDEBAR_WIDTH } from "../ui/layout"
 import { projectName } from "../util/project"
+import { marqueeText } from "../util/marquee"

 // A long title fades out over its last cells instead of cutting hard.
 const FADE_WIDTH = 4
+const MARQUEE_DELAY = 600
+const MARQUEE_INTERVAL = 100

 type ContextController = ReturnType<typeof useSessionTabs>
 export type SessionTabsStatus = Omit<ReturnType<ContextController["status"]>, "unread"> & {
@@ -46,6 +49,41 @@ const NEW_SESSION_TAB: SessionTab = { sessionID: "new", title: NEW_SESSION_TAB_T
 const glowTextColor = (base: RGBA, glow: RGBA, index: number, width: number) =>
  tint(base, glow, 0.12 * unreadGlowIntensity(index, width))

+function fadeTitleColor(color: RGBA, background: RGBA, index: number, length: number, leading: number) {
+  const fade = (position: number) => (position <= 0 ? 0 : 0.2 + 0.72 * ((position - 1) / Math.max(1, FADE_WIDTH - 1)))
+  const start = index < FADE_WIDTH ? FADE_WIDTH - index : 0
+  const end = index - (length - FADE_WIDTH) + 1
+  const opacity = Math.max(fade(start) * leading, fade(end))
+  return opacity === 0 ? color : tint(color, background, opacity)
+}
+
+function createMarquee(hovered: () => string | undefined, animations: () => boolean) {
+  const [offset, setOffset] = createSignal(0)
+  const leading = createAnimatable({ opacity: 0 }, { enabled: animations, transition: tween({ duration: 0.25 }) })
+
+  createEffect(() => {
+    if (!hovered()) {
+      setOffset(0)
+      leading.jump({ opacity: 0 })
+      return
+    }
+    setOffset(0)
+    leading.jump({ opacity: 0 })
+    let interval: ReturnType<typeof setInterval> | undefined
+    const delay = setTimeout(() => {
+      setOffset(1)
+      leading.animate({ opacity: 1 })
+      interval = setInterval(() => setOffset((value) => value + 1), MARQUEE_INTERVAL)
+    }, MARQUEE_DELAY)
+    onCleanup(() => {
+      clearTimeout(delay)
+      if (interval) clearInterval(interval)
+    })
+  })
+
+  return { offset, leading: () => leading.value().opacity }
+}
+
 export function SessionTabs(
  props: { controller?: SessionTabsController; animations?: boolean; orientation?: "horizontal" | "vertical" } = {},
 ) {
@@ -69,6 +107,7 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
  const separatorUpperPulseColor = createMemo(() => tint(theme.background.default, theme.text.default, 0.04))
  const separatorLowerPulseColor = createMemo(() => tint(theme.background.default, theme.text.default, 0.05))
  const [hovered, setHovered] = createSignal<string>()
+  const marquee = createMarquee(hovered, animations)
  const [dragging, setDragging] = createSignal<string>()
  const [preview, setPreview] = createSignal<{ sessionID: string; index: number }>()
  const newTab = () => tabs.newTab?.() ?? false
@@ -144,7 +183,12 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
              const numberWidth = () => 2
              const titleWidth = () => Math.max(1, width() - numberWidth() - 2 - (hovered() === tab.sessionID ? 1 : 0))
              const title = () => tab.title ?? "Untitled session"
-              const visibleTitle = createMemo(() => Locale.takeWidth(title(), titleWidth()))
+              const scrolling = () => hovered() === tab.sessionID && marquee.offset() > 0
+              const visibleTitle = createMemo(() =>
+                scrolling()
+                  ? marqueeText(title(), titleWidth(), marquee.offset())
+                  : Locale.takeWidth(title(), titleWidth()),
+              )
              const visibleTitleParts = createMemo(() => Locale.graphemes(visibleTitle()))
              const titleFades = createMemo(() => stringWidth(title()) >= titleWidth() && titleWidth() > FADE_WIDTH)
              const detail = createMemo(() => {
@@ -206,9 +250,15 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
                const color = glows()
                  ? glowTextColor(foreground(), glowColor(), 1 + numberWidth() + index, width())
                  : foreground()
-                if (!titleFades() || index < visibleTitleParts().length - FADE_WIDTH) return color
-                const position = index - (visibleTitleParts().length - FADE_WIDTH)
-                return tint(color, pulseBackground(), 0.2 + 0.72 * (position / Math.max(1, FADE_WIDTH - 1)))
+                return titleFades()
+                  ? fadeTitleColor(
+                      color,
+                      pulseBackground(),
+                      index,
+                      visibleTitleParts().length,
+                      scrolling() ? marquee.leading() : 0,
+                    )
+                  : color
              }
              const release = () => {
                setDragging(undefined)
@@ -225,7 +275,10 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
                  backgroundColor={background()}
                  onMouseOver={() => setHovered(tab.sessionID)}
                  onMouseOut={() => setHovered(undefined)}
-                  onMouseDown={() => setDragging(tab.sessionID)}
+                  onMouseDown={() => {
+                    setHovered(tab.sessionID)
+                    setDragging(tab.sessionID)
+                  }}
                  onMouseUp={release}
                  onMouseDrag={(event) => {
                    if (!rail || tab === NEW_SESSION_TAB) return
@@ -382,6 +435,7 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
  const config = useConfig().data
  const animations = () => props.animations ?? config.animations ?? true
  const [hovered, setHovered] = createSignal<string>()
+  const marquee = createMarquee(hovered, animations)
  const [dragging, setDragging] = createSignal<string>()
  // A drag reorders a local preview and persists one move on release instead of writing
  // per slot crossing; the preview holds after release until the store reflects the move,
@@ -561,7 +615,12 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
          // Hovering reveals the close mark, so the title's right bound shifts left of it.
          const availableTitleWidth = () =>
            Math.max(1, width() - 1 - numberWidth() - (hovered() === tab.sessionID ? 2 : 0))
-          const visibleTitle = createMemo(() => Locale.takeWidth(title(), availableTitleWidth()))
+          const scrolling = () => hovered() === tab.sessionID && marquee.offset() > 0
+          const visibleTitle = createMemo(() =>
+            scrolling()
+              ? marqueeText(title(), availableTitleWidth(), marquee.offset())
+              : Locale.takeWidth(title(), availableTitleWidth()),
+          )
          const visibleTitleParts = createMemo(() => Locale.graphemes(visibleTitle()))
          const titleFades = createMemo(
            () => stringWidth(title()) >= availableTitleWidth() && availableTitleWidth() > FADE_WIDTH,
@@ -575,9 +634,15 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
          const characterColor = (index: number) => {
            const base = foreground()
            const color = glows() ? glowTextColor(base, glowColor(), 1 + numberWidth() + index, width()) : base
-            if (!titleFades() || index < visibleTitleParts().length - FADE_WIDTH) return color
-            const position = index - (visibleTitleParts().length - FADE_WIDTH)
-            return tint(color, background(), 0.2 + 0.72 * (position / Math.max(1, FADE_WIDTH - 1)))
+            return titleFades()
+              ? fadeTitleColor(
+                  color,
+                  background(),
+                  index,
+                  visibleTitleParts().length,
+                  scrolling() ? marquee.leading() : 0,
+                )
+              : color
          }
          // The running sweep's level under the number cell, reported by the pulse renderable.
          const [sweepLevel, setSweepLevel] = createSignal(0)
@@ -611,7 +676,10 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
              backgroundColor={background()}
              onMouseOver={() => setHovered(tab.sessionID)}
              onMouseOut={() => setHovered(undefined)}
-              onMouseDown={() => setDragging(tab.sessionID)}
+              onMouseDown={() => {
+                setHovered(tab.sessionID)
+                setDragging(tab.sessionID)
+              }}
              onMouseUp={release}
              onMouseDrag={(event) => {
                if (tab === NEW_SESSION_TAB) return
@@ -44,9 +44,6 @@ export const Cursor = Schema.Struct({
  }),
 }).annotate({ description: "Terminal cursor settings" })

-export const TabPosition = Schema.Literals(["top", "bottom", "left", "right"])
-export type TabPosition = Schema.Schema.Type<typeof TabPosition>
-
 export const Info = Schema.Struct({
  theme: Schema.optional(
    Schema.Struct({
@@ -117,6 +114,9 @@ export const Info = Schema.Struct({
      paste: Schema.optional(Schema.Literals(["compact", "full"])).annotate({
        description: "Display large pastes as compact placeholders or full text",
      }),
+      image_preview: Schema.optional(Schema.Boolean).annotate({
+        description: "Show image attachment previews above the prompt input",
+      }),
    }),
  ).annotate({ description: "Prompt input behavior" }),
  session: Schema.optional(
@@ -131,6 +131,9 @@ export const Info = Schema.Struct({
      grouping: Schema.optional(Schema.Literals(["auto", "none"])).annotate({
        description: "Group related transcript items automatically or render each item separately",
      }),
+      image_preview: Schema.optional(Schema.Boolean).annotate({
+        description: "Show user attachment and tool-result images in the session transcript",
+      }),
      markdown: Schema.optional(Schema.Literals(["source", "rendered"])).annotate({
        description: "Show Markdown syntax markers or conceal them in rendered transcript content",
      }),
@@ -144,8 +147,8 @@ export const Info = Schema.Struct({
      scope: Schema.optional(Schema.Literals(["global", "cwd"])).annotate({
        description: "Share tabs globally or keep a separate set for each working directory",
      }),
-      position: Schema.optional(TabPosition).annotate({
-        description: "Show tabs along the top, bottom, left, or right edge",
+      layout: Schema.optional(Schema.Literals(["horizontal", "vertical"])).annotate({
+        description: "Show tabs in a horizontal strip or vertical sidebar",
      }),
    }),
  ).annotate({ description: "Tab strip settings" }),
@@ -211,7 +214,7 @@ export type Resolved = Omit<Info, "attention" | "cursor" | "keybinds" | "leader"
  tabs: {
    enabled: boolean
    scope: "global" | "cwd"
-    position: TabPosition
+    layout: "horizontal" | "vertical"
  }
 }

@@ -253,7 +256,7 @@ export function resolve(input: Info, options: { terminalSuspend: boolean }): Res
      ...input.tabs,
      enabled: input.tabs?.enabled ?? true,
      scope: input.tabs?.scope ?? "cwd",
-      position: input.tabs?.position ?? "top",
+      layout: input.tabs?.layout ?? "horizontal",
    },
  }
 }
@@ -165,6 +165,7 @@ export const Definitions = {
  prompt_submit: keybind("none", "Submit prompt"),
  prompt_queue: keybind("alt+return", "Queue prompt"),
  prompt_editor_context_clear: keybind("none", "Clear editor context"),
+  prompt_images_view: keybind("<leader>i", "View image attachments"),
  prompt_skills: keybind("none", "Open skill selector"),
  prompt_stash: keybind("none", "Stash prompt"),
  prompt_stash_pop: keybind("none", "Pop stashed prompt"),
@@ -366,6 +367,7 @@ export const CommandMap = {
  prompt_submit: "prompt.submit",
  prompt_queue: "prompt.queue",
  prompt_editor_context_clear: "prompt.editor_context.clear",
+  prompt_images_view: "prompt.images.view",
  prompt_skills: "prompt.skills",
  prompt_stash: "prompt.stash",
  prompt_stash_pop: "prompt.stash.pop",
@@ -1,18 +1,19 @@
 import { createContext, type JSX, useContext } from "solid-js"
-import { read, write } from "../clipboard"

 export type ClipboardContent = Readonly<{ data: string; mime: string }>
 export type ClipboardService = Readonly<{
-  read?(): Promise<ClipboardContent | undefined>
-  write?(text: string): Promise<void>
+  read(): Promise<ClipboardContent | undefined>
+  write(text: string): Promise<void>
 }>
-const clipboard = { read, write }
-const ClipboardContext = createContext<ClipboardService>(clipboard)

-export function ClipboardProvider(props: { value?: ClipboardService; children: JSX.Element }) {
-  return <ClipboardContext.Provider value={props.value ?? clipboard}>{props.children}</ClipboardContext.Provider>
+const ClipboardContext = createContext<ClipboardService>()
+
+export function ClipboardProvider(props: { value: ClipboardService; children: JSX.Element }) {
+  return <ClipboardContext.Provider value={props.value}>{props.children}</ClipboardContext.Provider>
 }

 export function useClipboard() {
-  return useContext(ClipboardContext)
+  const value = useContext(ClipboardContext)
+  if (!value) throw new Error("useClipboard must be used within a ClipboardProvider")
+  return value
 }
@@ -437,7 +437,6 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
            if (!m) return
            if (route.data.type === "session") {
              setSessionDraft(route.data.sessionID, { ...m, variant: normalizeModelVariant(value) })
-              return
            }
            setPreferences("variant", modelPreferenceKey(m), normalizeModelVariant(value))
            savePreferences()
@@ -66,8 +66,12 @@ export function DialogMessage(props: {
                  : "text" in value
                    ? value.text
                    : ""
-            await clipboard.write?.(text)
-            dialog.clear()
+            try {
+              await clipboard.write(text)
+              dialog.clear()
+            } catch (error) {
+              toast.error(error)
+            }
          },
        },
        {
@@ -366,7 +366,7 @@ export function FormPrompt(props: { form: FormWithLocation }) {

  function copyExternal() {
    const current = externalField()
-    if (!current || !clipboard.write) return
+    if (!current) return
    void clipboard
      .write(current.url)
      .then(() => {
@@ -996,7 +996,7 @@ export function FormPrompt(props: { form: FormWithLocation }) {
          >
            enter <span style={{ fg: theme.text.subdued }}>{actionLabel()}</span>
          </text>
-          <Show when={externalField() && clipboard.write}>
+          <Show when={externalField()}>
            <text fg={theme.text.default} onMouseUp={copyExternal}>
              c <span style={{ fg: theme.text.subdued }}>copy</span>
            </text>
@@ -24,7 +24,7 @@ import { useTuiPaths, useTuiTerminalEnvironment } from "../../context/runtime"
 import { Spinner, SPINNER_FRAMES } from "../../component/spinner"
 import { PatchDiff } from "../../component/patch-diff"
 import { createSyntaxStyleMemo, ThemeContextProvider, useTheme, useThemes } from "../../context/theme"
-import { BoxRenderable, ScrollBoxRenderable, addDefaultParsers, TextAttributes, RGBA } from "@opentui/core"
+import { BoxRenderable, ScrollBoxRenderable, addDefaultParsers, TextAttributes, RGBA, MouseEvent } from "@opentui/core"
 import { Prompt, type PromptRef } from "../../component/prompt"
 import type {
  ModelInfo,
@@ -54,6 +54,7 @@ import { openEditor } from "../../editor"
 import { useDialog } from "../../ui/dialog"
 import { DialogSelect } from "../../ui/dialog-select"
 import { DialogSessionRename } from "../../component/dialog-session-rename"
+import { DialogImagePreview } from "../../component/dialog-image-preview"
 import { DialogMessage } from "./dialog-message"
 import { DialogFork } from "./dialog-fork"
 import { DialogTimeline } from "./dialog-timeline"
@@ -65,7 +66,7 @@ import { errorMessage } from "../../util/error"
 import { useToast } from "../../ui/toast"
 import stripAnsi from "strip-ansi"
 import { usePromptRef } from "../../context/prompt"
-import { sessionTabSidebarWidth } from "../../ui/layout"
+import { sessionTabsFitVertically, SESSION_SIDEBAR_WIDTH } from "../../ui/layout"
 import { projectedPromptInput } from "../../prompt/codec"
 import { useEpilogue } from "../../context/epilogue"
 import { normalizePath } from "../../util/path"
@@ -89,6 +90,7 @@ import {
  createSessionRows,
  messageBoundaryIDs,
  resolvePart,
+  turnDuration,
  type CacheUsage,
  type PartRef,
  type SessionRow,
@@ -102,11 +104,13 @@ import { useSessionTabs } from "../../context/session-tabs"
 import { createSingleFlight } from "../../util/single-flight"
 import type { SessionPending } from "@opencode-ai/schema/session-pending"
 import { generateThinkingSyntax } from "./thinking-syntax"
+import { createDelayedPresence } from "../../util/delayed-presence"

 addDefaultParsers(parsers.parsers)

 // Exclude temporary bottom space when measuring the real transcript height.
 const NAVIGATION_SLACK_ID = "session-navigation-slack"
+const BACKGROUND_TOOL_HINT_DELAY = 1_000

 // Tail-first transcript mounting: rows mounted with the session, then backfill cadence.
 // The tail comfortably overfills a tall viewport; backfill drains a 200-message transcript
@@ -225,7 +229,9 @@ export function Session() {
  const availableWidth = createMemo(
    () =>
      dimensions().width -
-      (config.tabs?.enabled ? sessionTabSidebarWidth(config.tabs.position, dimensions().width) : 0),
+      (config.tabs?.enabled && config.tabs.layout === "vertical" && sessionTabsFitVertically(dimensions().width)
+        ? SESSION_SIDEBAR_WIDTH
+        : 0),
  )
  const wide = createMemo(() => availableWidth() > 120)
  const sidebarVisible = createMemo(() => {
@@ -845,7 +851,7 @@ export function Session() {
        }

        clipboard
-          .write?.(text)
+          .write(text)
          .then(() => toast.show({ message: "Message copied to clipboard!", variant: "success" }))
          .catch(() => toast.show({ message: "Failed to copy to clipboard", variant: "error" }))
        dialog.clear()
@@ -863,7 +869,7 @@ export function Session() {
          const sessionData = session()
          if (!sessionData) return
          const transcript = formatSessionTranscript(sessionData, messages(), showThinking())
-          await clipboard.write?.(transcript)
+          await clipboard.write(transcript)
          toast.show({ message: "Session transcript copied to clipboard!", variant: "success" })
        } catch {
          toast.show({ message: "Failed to copy session transcript", variant: "error" })
@@ -897,7 +903,7 @@ export function Session() {
                ) + EOL

          if (options.action === "copy") {
-            await clipboard.write?.(content)
+            await clipboard.write(content)
            dialog.clear()
            toast.show({ message: "Copied to clipboard", variant: "success" })
            return
@@ -1324,18 +1330,20 @@ function turnTokenToolSummary(tool: SessionMessageAssistantTool) {
 function BackgroundToolHint(props: { messages: SessionMessageInfo[] }) {
  const theme = useTheme()
  const shortcut = Keymap.useShortcut("session.background")
-  const visible = createMemo(() => {
+  const running = createMemo(() => {
+    if (!shortcut()) return
    const current = props.messages.findLast(
      (message): message is SessionMessageAssistant => message.type === "assistant" && !message.time.completed,
    )
-    return (
-      current?.content.some((part) => {
-        if (part.type !== "tool" || part.state.status !== "running") return false
-        const display = toolDisplay(part.name)
-        return display === "shell" || display === "subagent"
-      }) ?? false
-    )
+    const part = current?.content.find((part): part is SessionMessageAssistantTool => {
+      if (part.type !== "tool" || part.state.status !== "running") return false
+      const name = canonicalToolName(part.name)
+      return name === "shell" || name === "subagent"
+    })
+    if (!current || !part) return
+    return `${current.id}:${part.id}`
  })
+  const visible = createDelayedPresence(running, BACKGROUND_TOOL_HINT_DELAY)
  return (
    <Show when={visible() && shortcut()}>
      {(value) => (
@@ -1585,8 +1593,9 @@ function SessionGroupView(props: {
          </InlineToolRow>
        </Show>
        <Show when={expanded() && grouped().length > 0}>
-          <For each={grouped()}>{(part) => <ToolPart part={part} />}</For>
+          <For each={grouped()}>{(part) => <ToolPart part={part} images={false} />}</For>
        </Show>
+        <ToolImages parts={grouped()} />
        <For each={pending()}>{(part) => <ToolPart part={part} />}</For>
      </Show>
    </Show>
@@ -1595,6 +1604,7 @@ function SessionGroupView(props: {

 function AssistantFooter(props: { message: SessionMessageAssistant }) {
  const ctx = use()
+  const data = useData()
  const local = useLocal()
  const dimensions = useTerminalDimensions()
  const theme = useTheme("elevated")
@@ -1605,9 +1615,7 @@ function AssistantFooter(props: { message: SessionMessageAssistant }) {
        .find((model) => model.providerID === props.message.model.providerID && model.id === props.message.model.id)
        ?.name ?? `${props.message.model.providerID}/${props.message.model.id}`,
  )
-  const duration = createMemo(() =>
-    props.message.time.completed ? props.message.time.completed - props.message.time.created : 0,
-  )
+  const duration = createMemo(() => turnDuration(props.message, data.session.message.list(ctx.sessionID)))
  const interrupted = createMemo(() => props.message.error?.message === "Step interrupted")
  return (
    <>
@@ -1891,6 +1899,11 @@ function UserMessage(props: { message: SessionMessageUser }) {
  const local = useLocal()
  const files = createMemo(() => props.message.files ?? [])
  const skills = createMemo(() => props.message.skills ?? [])
+  const images = createMemo(() =>
+    files().flatMap((file) =>
+      file.mime.startsWith("image/") ? [{ uri: `data:${file.mime};base64,${file.data}` }] : [],
+    ),
+  )
  const themes = useThemes()
  const theme = useTheme("elevated")
  const mode = themes.mode
@@ -1912,6 +1925,7 @@ function UserMessage(props: { message: SessionMessageUser }) {
        borderColor={delivery() ? theme.border.default : color()}
        customBorderChars={SplitBorder.customBorderChars}
      >
+        <SessionImages images={images()} paddingLeft={2} />
        <box
          onMouseOver={() => {
            setHover(true)
@@ -2204,7 +2218,7 @@ function TextPart(props: { last: boolean; part: SessionMessageAssistantText }) {

 // Pending messages moved to individual tool pending functions

-function ToolPart(props: { part: SessionMessageAssistantTool }) {
+function ToolPart(props: { part: SessionMessageAssistantTool; images?: boolean }) {
  const display = createMemo(() => toolDisplay(props.part.name))

  const toolprops = {
@@ -2228,7 +2242,7 @@ function ToolPart(props: { part: SessionMessageAssistantTool }) {
    },
  }

-  return (
+  const content = (
    <Switch>
      <Match when={display() === "shell"}>
        <Shell {...toolprops} />
@@ -2274,6 +2288,87 @@ function ToolPart(props: { part: SessionMessageAssistantTool }) {
      </Match>
    </Switch>
  )
+  return [
+    content,
+    <Show when={props.images !== false}>
+      <ToolImages parts={[props.part]} />
+    </Show>,
+  ]
+}
+
+function ToolImages(props: { parts: readonly SessionMessageAssistantTool[] }) {
+  const images = createMemo(() => props.parts.flatMap(inlineToolImages))
+  return <SessionImages images={images()} />
+}
+
+function SessionImages(props: { images: readonly { uri: string }[]; paddingLeft?: number }) {
+  const ctx = use()
+  const dialog = useDialog()
+  const dimensions = useTerminalDimensions()
+  const images = createMemo(() => (ctx.config.session?.image_preview ? props.images : []))
+  const height = createMemo(() => Math.max(4, Math.min(8, Math.floor(dimensions().height / 4))))
+  const visible = createMemo(() => images().slice(0, 3))
+
+  return (
+    <Show when={visible().length > 0}>
+      <box
+        flexDirection="row"
+        flexShrink={0}
+        paddingTop={1}
+        paddingLeft={props.paddingLeft ?? 3}
+        paddingRight={2}
+        paddingBottom={1}
+        gap={1}
+      >
+        <For each={visible()}>
+          {(image, index) => {
+            const [failed, setFailed] = createSignal(false)
+            return (
+              <box
+                width={height() * 2}
+                height={height()}
+                flexBasis={height() * 2}
+                flexShrink={1}
+                alignItems="center"
+                justifyContent="center"
+                onMouseUp={(event: MouseEvent) => {
+                  if (event.button !== 0) return
+                  event.stopPropagation()
+                  dialog.replace(() => <DialogImagePreview images={images()} initial={index()} />)
+                }}
+              >
+                <Show when={!failed()} fallback={<text>No preview</text>}>
+                  <image
+                    source={image.uri}
+                    fit="cover"
+                    protocol="auto"
+                    width="100%"
+                    height="100%"
+                    onError={() => setFailed(true)}
+                  />
+                </Show>
+              </box>
+            )
+          }}
+        </For>
+        <Show when={images().length > visible().length}>
+          <box width={8} height={height()} flexShrink={1} alignItems="center" justifyContent="center">
+            <text wrapMode="none" truncate>
+              +{images().length - visible().length} more
+            </text>
+          </box>
+        </Show>
+      </box>
+    </Show>
+  )
+}
+
+function inlineToolImages(part: SessionMessageAssistantTool) {
+  return toolDisplayContent(part.state).flatMap((content) =>
+    content.type === "file" && content.mime.startsWith("image/") && content.uri.startsWith("data:image/")
+      ? [{ uri: content.uri }]
+      : [],
+  )
 }

 type ToolProps = {
@@ -348,6 +348,15 @@ export function cacheReuseDrop(previous: CacheUsage | undefined, current: CacheU
  return drop > 0 ? drop : undefined
 }

+export function turnDuration(message: SessionMessageAssistant, messages: SessionMessageInfo[]) {
+  if (message.time.completed === undefined) return 0
+  const index = messages.findIndex((item) => item.id === message.id)
+  const input = messages
+    .slice(0, index === -1 ? messages.length : index)
+    .findLast((item) => item.type === "user" || item.type === "synthetic")
+  return Math.max(0, message.time.completed - (input?.time.created ?? message.time.created))
+}
+
 function hasTokenUsage(
  message: SessionMessageAssistant,
 ): message is SessionMessageAssistant & { tokens: NonNullable<SessionMessageAssistant["tokens"]> } {
@@ -212,7 +212,7 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
  const flatten = createMemo(() => props.flat && store.filter.length > 0)

  const grouped = createMemo<[string, DialogSelectOption<T>[]][]>(() => {
-    if (flatten()) return [["", filtered()]]
+    if (flatten()) return filtered().length ? [["", filtered()]] : []
    const result = pipe(
      filtered(),
      groupBy((x) => x.category ?? ""),
@@ -204,7 +204,7 @@ export function DialogProvider(props: ParentProps) {

  function copySelection() {
    const text = renderer.getSelection()?.getSelectedText()
-    if (!text || !clipboard.write) return false
+    if (!text) return false
    void clipboard.write(text).then(
      () => toast.show({ message: "Copied to clipboard", variant: "info" }),
      (error) => toast.error(error),
@@ -1,19 +1,6 @@
-import type { TabPosition } from "../config"
-
 export const SESSION_SIDEBAR_WIDTH = 42
 const SESSION_CONTENT_MIN_WIDTH = 44

 export function sessionTabsFitVertically(total: number) {
  return total >= SESSION_SIDEBAR_WIDTH + SESSION_CONTENT_MIN_WIDTH
 }
-
-export function effectiveSessionTabPosition(position: TabPosition, total: number): TabPosition {
-  if ((position === "left" || position === "right") && !sessionTabsFitVertically(total)) return "top"
-  return position
-}
-
-export function sessionTabSidebarWidth(position: TabPosition, total: number) {
-  const effective = effectiveSessionTabPosition(position, total)
-  if (effective === "left" || effective === "right") return SESSION_SIDEBAR_WIDTH
-  return 0
-}
@@ -0,0 +1,16 @@
+import { createEffect, createSignal, onCleanup, type Accessor } from "solid-js"
+
+export function createDelayedPresence<T>(source: Accessor<T | undefined>, delay: number) {
+  const [visible, setVisible] = createSignal(false)
+
+  createEffect(() => {
+    const value = source()
+    setVisible(false)
+    if (value === undefined) return
+
+    const timer = setTimeout(() => setVisible(true), delay)
+    onCleanup(() => clearTimeout(timer))
+  })
+
+  return visible
+}
@@ -0,0 +1,19 @@
+import { Locale } from "./locale"
+import { stringWidth } from "./string-width"
+
+const GAP = "    "
+
+export function marqueeText(value: string, width: number, offset: number) {
+  if (width <= 0) return ""
+  if (stringWidth(value) <= width || offset <= 0) return Locale.takeWidth(value, width)
+
+  const loop = value + GAP
+  const cursor = offset % stringWidth(loop)
+  const segments = Locale.graphemes(loop + loop)
+  const start = segments.reduce(
+    (state, segment, index) =>
+      state.width >= cursor ? state : { index: index + 1, width: state.width + stringWidth(segment) },
+    { index: 0, width: 0 },
+  ).index
+  return Locale.takeWidth(segments.slice(start).join(""), width)
+}
@@ -35,7 +35,7 @@ export function copy(renderer: Renderer, toast: Toast, clipboard: ClipboardServi
    focus?.getClipboardText && selection.selectedRenderables.includes(focus) ? focus.getClipboardText(text) : text

  clipboard
-    ?.write?.(clipboardText)
+    .write(clipboardText)
    .then(() => toast.show({ message: "Copied to clipboard", variant: "info" }))
    .catch(toast.error)

@@ -74,11 +74,11 @@ test("searches settings globally and opens the matching setting", async () => {
    await app.waitFor(() => app.renderer.currentFocusedEditor instanceof InputRenderable)

    app.mockInput.pressArrow("down")
-    for (const key of "sounds") app.mockInput.pressKey(key)
+    for (const key of "image preview") app.mockInput.pressKey(key)
    app.mockInput.pressEnter()
-    await app.waitForFrame((frame) => frame.includes("Settings") && frame.includes("Sounds"))
+    await app.waitForFrame((frame) => frame.includes("Settings") && frame.includes("Image previews"))
    app.mockInput.pressEnter()
-    await app.waitFor(() => current.attention?.sound === false)
+    await app.waitFor(() => current.prompt?.image_preview === true)
  } finally {
    app.renderer.destroy()
  }
@@ -87,6 +87,7 @@ async function mountSelect(
  initial: DialogSelectOption<string>[],
  current?: string,
  focusCurrent?: boolean,
+  select?: { flat?: boolean },
 ) {
  const state = path.join(root, "state")
  await mkdir(state, { recursive: true })
@@ -124,6 +125,7 @@ async function mountSelect(
            options={options()}
            current={current}
            focusCurrent={focusCurrent}
+            flat={select?.flat}
            onMove={(option) => moved.push(option.value)}
            onSelect={(option) => selected.push(option.value)}
          />
@@ -367,6 +369,34 @@ test("keeps the current option selected when options reorder", async () => {
  }
 })

+test("shows no-match and still closes after a flat filter goes empty", async () => {
+  await using tmp = await tmpdir()
+  const select = await mountSelect(
+    tmp.path,
+    [
+      { title: "models.dev", value: "models.dev", category: "Projects" },
+      { title: "opencode2", value: "opencode2", category: "Projects" },
+    ],
+    undefined,
+    undefined,
+    { flat: true },
+  )
+
+  try {
+    await select.app.waitForFrame((frame) => frame.includes("models.dev"))
+    await select.app.mockInput.typeText("models")
+    await select.app.waitForFrame((frame) => frame.includes("models.dev") && !frame.includes("opencode2"))
+    await select.app.mockInput.typeText(" missing")
+    await select.app.waitForFrame((frame) => frame.includes("No results found"))
+    expect(select.app.captureCharFrame()).not.toContain("models.dev")
+
+    select.app.mockInput.pressEscape()
+    await select.app.waitForFrame((frame) => !frame.includes("Mutable options") && !frame.includes("No results found"))
+  } finally {
+    select.app.renderer.destroy()
+  }
+})
+
 test("keeps the first row selected when current is only a marker", async () => {
  await using tmp = await tmpdir()
  const project = { title: "project", value: "project" }
@@ -60,6 +60,9 @@ async function mountForm(root: string, width = 80) {
      >
        <ClipboardProvider
          value={{
+            async read() {
+              return undefined
+            },
            write(text) {
              copied.push(text)
              return Promise.resolve()
@@ -1,6 +1,20 @@
 import { expect, test } from "bun:test"
 import type { SessionMessageAssistant, SessionMessageInfo } from "@opencode-ai/client"
-import { cacheReuseDrop, messageBoundaryIDs, reduceSessionRows } from "../../../src/routes/session/rows"
+import { cacheReuseDrop, messageBoundaryIDs, reduceSessionRows, turnDuration } from "../../../src/routes/session/rows"
+
+test("measures turn duration from the user prompt across assistant steps", () => {
+  const first = assistant("assistant-1", [])
+  first.time = { created: 8_000, completed: 11_000 }
+  const final = assistant("assistant-2", [])
+  final.time = { created: 27_000, completed: 30_000 }
+  const messages: SessionMessageInfo[] = [
+    { type: "user", id: "user-1", text: "Question", time: { created: 1_000 } },
+    first,
+    final,
+  ]
+
+  expect(turnDuration(final, messages)).toBe(29_000)
+})

 test("filters OpenAI cache quantization from cache reuse drops", () => {
  const openai = { id: "gpt", providerID: "openai" }
@@ -1,19 +1,129 @@
 import { expect, test } from "bun:test"
-import { copyCommand } from "../src/clipboard"
+import {
+  createClipboard,
+  type ClipboardReadOptions,
+  type ClipboardReadResult,
+  type ClipboardService as CoreClipboardService,
+  type ClipboardWriteOptions,
+  type ClipboardWriteResult,
+  type HostClipboardService,
+} from "@opentui/core"
+import { createClipboardAdapter } from "../src/clipboard"

-test("prefers Wayland clipboard when available", () => {
-  expect(copyCommand("linux", true, (name) => name === "wl-copy")).toEqual(["wl-copy"])
+function coreClipboard(options: {
+  read?: ClipboardReadResult
+  write?: ClipboardWriteResult
+  onRead?: (input: ClipboardReadOptions) => void
+  onWrite?: (text: string, input: ClipboardWriteOptions) => void
+}): CoreClipboardService {
+  return {
+    async read(input) {
+      options.onRead?.(input)
+      return options.read ?? { status: "empty" }
+    },
+    async writeText(text, input) {
+      options.onWrite?.(text, input)
+      return (
+        options.write ?? {
+          host: { status: "written" },
+          terminal: { status: "not-attempted", capability: "unknown" },
+        }
+      )
+    },
+    async clear() {
+      return {
+        host: { status: "cleared" },
+        terminal: { status: "not-attempted", capability: "unknown" },
+      }
+    },
+    async dispose() {},
+  }
+}
+
+test("adapts OpenTUI image and text reads", async () => {
+  const requests: ClipboardReadOptions[] = []
+  const image = createClipboardAdapter(
+    coreClipboard({
+      read: {
+        status: "read",
+        representation: { mimeType: "image/png", bytes: new Uint8Array([0, 1, 2, 255]) },
+      },
+      onRead: (input) => requests.push(input),
+    }),
+  )
+  const text = "line 1\r\n\t世界"
+  const plain = createClipboardAdapter(
+    coreClipboard({
+      read: {
+        status: "read",
+        representation: { mimeType: "text/plain", bytes: new TextEncoder().encode(text) },
+      },
+    }),
+  )
+
+  expect(await image.read()).toEqual({ data: "AAEC/w==", mime: "image/png" })
+  expect(await plain.read()).toEqual({ data: text, mime: "text/plain" })
+  expect(requests).toEqual([{ preferredTypes: ["image/png", "text/plain"], selection: "clipboard" }])
 })

-test("uses osascript on macOS", () => {
-  expect(copyCommand("darwin", false, (name) => name === "osascript")).toEqual(["osascript"])
+test("uses all available routes but skips the process host remotely", async () => {
+  const writes = { host: 0, terminal: 0 }
+  const host: HostClipboardService = {
+    maxWriteBytes: 8 * 1024 * 1024,
+    async read() {
+      return { status: "empty" }
+    },
+    async writeText() {
+      writes.host++
+      return { status: "written" }
+    },
+    async clear() {
+      return { status: "cleared" }
+    },
+    async dispose() {},
+  }
+  const clipboard = createClipboardAdapter(
+    createClipboard({
+      host,
+      terminal: {
+        remote: true,
+        writeText() {
+          writes.terminal++
+          return { status: "attempted", capability: "supported" }
+        },
+        clear() {
+          return { status: "attempted", capability: "supported" }
+        },
+      },
+    }),
+  )
+
+  expect(await clipboard.write("hello")).toBeUndefined()
+  expect(writes).toEqual({ host: 0, terminal: 1 })
 })

-test("falls back through X11 clipboard commands", () => {
-  expect(copyCommand("linux", true, (name) => name === "xclip")).toEqual(["xclip", "-selection", "clipboard"])
-  expect(copyCommand("linux", false, (name) => name === "xsel")).toEqual(["xsel", "--clipboard", "--input"])
-})
+test("rejects only when no clipboard route accepted the write", async () => {
+  const writes: [string, ClipboardWriteOptions][] = []
+  const failure = new Error("native clipboard failed")
+  const fallback = createClipboardAdapter(
+    coreClipboard({
+      write: {
+        host: { status: "written" },
+        terminal: { status: "local-failure", capability: "supported" },
+      },
+    }),
+  )
+  const clipboard = createClipboardAdapter(
+    coreClipboard({
+      write: {
+        host: { status: "failed", error: failure },
+        terminal: { status: "local-failure", capability: "supported" },
+      },
+      onWrite: (text, input) => writes.push([text, input]),
+    }),
+  )

-test("returns undefined when native clipboard is unavailable", () => {
-  expect(copyCommand("linux", false, () => false)).toBeUndefined()
+  expect(await fallback.write("hello")).toBeUndefined()
+  expect(await clipboard.write("hello").then(undefined, (error) => error)).toBe(failure)
+  expect(writes).toEqual([["hello", { destination: "all-available", selection: "clipboard" }]])
 })
@@ -2,8 +2,8 @@
 import { testRender } from "@opentui/solid"
 import { expect, test } from "bun:test"
 import { Schema } from "effect"
-import { resolve, ConfigProvider, Info, TabPosition, useConfig, type Interface } from "../src/config"
-import { settingID, settings } from "../src/component/dialog-config"
+import { resolve, ConfigProvider, Info, useConfig, type Interface } from "../src/config"
+import { settings } from "../src/component/dialog-config"

 test("validates mini replay settings", () => {
  const decode = Schema.decodeUnknownSync(Info)
@@ -18,11 +18,13 @@ test("validates mini replay settings", () => {
 test("validates the session tabs setting", () => {
  const decode = Schema.decodeUnknownSync(Info)

-  expect(decode({ tabs: { enabled: true, position: "right" } })).toEqual({
-    tabs: { enabled: true, position: "right" },
+  expect(decode({ tabs: { enabled: true, layout: "vertical" } })).toEqual({
+    tabs: { enabled: true, layout: "vertical" },
  })
-  expect(() => decode({ tabs: { position: "vertical" } })).toThrow()
+  expect(() => decode({ tabs: { layout: true } })).toThrow()
  expect(() => decode({ tabs: { enabled: "on" } })).toThrow()
+  expect(decode({ prompt: { image_preview: true } })).toEqual({ prompt: { image_preview: true } })
+  expect(decode({ session: { image_preview: true } })).toEqual({ session: { image_preview: true } })
 })

 test("resolves nested config and keybind defaults", () => {
@@ -42,15 +44,13 @@ test("resolves nested config and keybind defaults", () => {
  expect(config.scroll).toEqual({ speed: 2, acceleration: true })
  expect(config.diffs).toEqual({ view: "split" })
  expect(config.debug).toEqual({ devtools: true })
-  expect(config.tabs).toEqual({ enabled: true, scope: "cwd", position: "top" })
+  expect(config.tabs).toEqual({ enabled: true, scope: "cwd", layout: "horizontal" })
 })

 test("shows resolved tab defaults in settings", () => {
-  expect(settings.find((setting) => settingID(setting) === "tabs.enabled")?.default).toBe(true)
-  expect(settings.find((setting) => settingID(setting) === "tabs.scope")?.default).toBe("cwd")
-  const position = settings.find((setting) => settingID(setting) === "tabs.position")
-  expect(position?.default).toBe("top")
-  expect(position?.values).toBe(TabPosition.literals)
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.enabled")?.default).toBe(true)
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.scope")?.default).toBe("cwd")
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.layout")?.default).toBe("horizontal")
 })

 test("provides config and its host interface", async () => {
@@ -7,6 +7,14 @@ import {
 } from "../../src/context/runtime"
 import type { ParentProps } from "solid-js"
 import { LogProvider, type LogSink } from "../../src/context/log"
+import { ClipboardProvider, type ClipboardService } from "../../src/context/clipboard"
+
+const clipboard: ClipboardService = {
+  async read() {
+    return undefined
+  },
+  async write() {},
+}

 export function TestTuiContexts(
  props: ParentProps<{
@@ -14,6 +22,7 @@ export function TestTuiContexts(
    directory?: string
    paths?: Partial<TuiPaths>
    log?: LogSink
+    clipboard?: ClipboardService
  }>,
 ) {
  return (
@@ -28,7 +37,9 @@ export function TestTuiContexts(
        }}
      >
        <TuiTerminalEnvironmentProvider value={{ platform: "linux" }}>
-          <TuiStartupProvider value={{ skipInitialLoading: false }}>{props.children}</TuiStartupProvider>
+          <TuiStartupProvider value={{ skipInitialLoading: false }}>
+            <ClipboardProvider value={props.clipboard ?? clipboard}>{props.children}</ClipboardProvider>
+          </TuiStartupProvider>
        </TuiTerminalEnvironmentProvider>
      </TuiPathsProvider>
    </LogProvider>
@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import { readLocalAttachmentWith } from "../../src/component/prompt/local-attachment"
+import { parsePastedFilepaths, readLocalAttachmentWith } from "../../src/component/prompt/local-attachment"
 import type { LocalFiles } from "../../src/component/prompt/local-attachment"

 function files(input: { mime: string; text?: string; bytes?: Uint8Array }): LocalFiles {
@@ -11,6 +11,44 @@ function files(input: { mime: string; text?: string; bytes?: Uint8Array }): Loca
 }

 describe("prompt local attachments", () => {
+  test("parses multi-file drops from POSIX, URI-list, and Windows terminals", () => {
+    expect(parsePastedFilepaths("'/tmp/one image.png' /tmp/two\\ image.webp", "linux")).toEqual([
+      "/tmp/one image.png",
+      "/tmp/two image.webp",
+    ])
+    expect(parsePastedFilepaths("file:///tmp/one%20image.png\r\nfile:///tmp/two.webp", "linux")).toEqual([
+      "/tmp/one image.png",
+      "/tmp/two.webp",
+    ])
+    expect(parsePastedFilepaths("# dropped files\nfile:///tmp/one.png\nfile:///tmp/two.webp", "linux")).toEqual([
+      "/tmp/one.png",
+      "/tmp/two.webp",
+    ])
+    expect(parsePastedFilepaths("/tmp/one\\\\image.png /tmp/two.webp", "linux")).toEqual([
+      "/tmp/one\\image.png",
+      "/tmp/two.webp",
+    ])
+    expect(parsePastedFilepaths('"C:\\one image.png" "C:\\two.webp"', "win32")).toEqual([
+      "C:\\one image.png",
+      "C:\\two.webp",
+    ])
+    expect(parsePastedFilepaths("file:///C:/one%20image.png\r\nfile://server/share/two.webp", "win32")).toEqual([
+      "C:\\one image.png",
+      "\\\\server\\share\\two.webp",
+    ])
+    expect(parsePastedFilepaths('"/tmp/O\'Brien.png" /tmp/two.webp', "linux")).toEqual([
+      "/tmp/O'Brien.png",
+      "/tmp/two.webp",
+    ])
+  })
+
+  test("rejects unbounded and malformed multi-file drops", () => {
+    expect(parsePastedFilepaths("'/tmp/one.png /tmp/two.png", "linux")).toEqual([])
+    expect(
+      parsePastedFilepaths(Array.from({ length: 33 }, (_, index) => `/tmp/${index}.png`).join(" "), "linux"),
+    ).toEqual([])
+  })
+
  test("reads SVG attachments as text", async () => {
    expect(await readLocalAttachmentWith(files({ mime: "image/svg+xml", text: "<svg />" }), "/tmp/image.svg")).toEqual({
      type: "text",
@@ -39,5 +77,8 @@ describe("prompt local attachments", () => {
        "/tmp/missing.png",
      ),
    ).toBeUndefined()
+    expect(
+      await readLocalAttachmentWith(files({ mime: "image/png", bytes: new Uint8Array(2) }), "/tmp/large.png", 1),
+    ).toBeUndefined()
  })
 })
@@ -2,6 +2,7 @@ import { expect, test } from "bun:test"
 import { RGBA } from "@opentui/core"
 import {
  DEFAULT_THEME,
+  generateSyntax,
  resolveTheme,
  resolveThemeDocument,
  selectTheme,
@@ -42,6 +43,14 @@ test("validates and resolves categorical hues in configured order", () => {
  expect(() => resolveSource({ version: 2, light: { categorical: ["magenta"] } }, "light")).toThrow("Invalid theme")
 })

+test("generates syntax with one categorical hue", () => {
+  const theme = resolveSource({ version: 2, light: { categorical: ["red"] } }, "light")
+  const syntax = generateSyntax(theme, "light")
+
+  expect(syntax.getStyleId("extmark.skill")).not.toBeNull()
+  syntax.destroy()
+})
+
 test("uses the default categorical order for direct definitions", () => {
  const theme = resolveTheme({ ...light, categorical: undefined })

@@ -1,27 +1,8 @@
 import { expect, test } from "bun:test"
-import { TabPosition } from "../../src/config"
-import {
-  effectiveSessionTabPosition,
-  SESSION_SIDEBAR_WIDTH,
-  sessionTabSidebarWidth,
-  sessionTabsFitVertically,
-} from "../../src/ui/layout"
+import { sessionTabsFitVertically, SESSION_SIDEBAR_WIDTH } from "../../src/ui/layout"

 test("vertical tabs match the session sidebar and preserve compact content width", () => {
  expect(SESSION_SIDEBAR_WIDTH).toBe(42)
  expect(sessionTabsFitVertically(86)).toBe(true)
  expect(sessionTabsFitVertically(85)).toBe(false)
 })
-
-test("preserves all tab positions when they fit", () => {
-  expect(TabPosition.literals.map((position) => effectiveSessionTabPosition(position, 120))).toEqual([
-    ...TabPosition.literals,
-  ])
-})
-
-test("falls side tabs back to the top strip when narrow", () => {
-  expect(effectiveSessionTabPosition("left", 85)).toBe("top")
-  expect(effectiveSessionTabPosition("right", 85)).toBe("top")
-  expect(sessionTabSidebarWidth("left", 85)).toBe(0)
-  expect(sessionTabSidebarWidth("right", 86)).toBe(SESSION_SIDEBAR_WIDTH)
-})
@@ -0,0 +1,55 @@
+import { expect, jest, test } from "bun:test"
+import { createRoot, createSignal } from "solid-js"
+import { createDelayedPresence } from "../../src/util/delayed-presence"
+
+test("shows only after the same value remains present for the delay", async () => {
+  jest.useFakeTimers()
+  const scope = createRoot((dispose) => {
+    const [value, setValue] = createSignal<string>()
+    return { dispose, setValue, visible: createDelayedPresence(value, 1_000) }
+  })
+
+  try {
+    scope.setValue("first")
+    await Promise.resolve()
+    jest.advanceTimersByTime(500)
+    expect(scope.visible()).toBe(false)
+
+    scope.setValue("second")
+    await Promise.resolve()
+    jest.advanceTimersByTime(999)
+    expect(scope.visible()).toBe(false)
+    jest.advanceTimersByTime(1)
+    expect(scope.visible()).toBe(true)
+  } finally {
+    scope.dispose()
+    jest.useRealTimers()
+  }
+})
+
+test("cancels the delay when the value disappears or the owner is disposed", async () => {
+  jest.useFakeTimers()
+  const scope = createRoot((dispose) => {
+    const [value, setValue] = createSignal<string>()
+    return { dispose, setValue, visible: createDelayedPresence(value, 1_000) }
+  })
+
+  try {
+    scope.setValue("running")
+    await Promise.resolve()
+    jest.advanceTimersByTime(500)
+    scope.setValue(undefined)
+    await Promise.resolve()
+    jest.advanceTimersByTime(1_000)
+    expect(scope.visible()).toBe(false)
+
+    scope.setValue("running")
+    await Promise.resolve()
+    scope.dispose()
+    jest.advanceTimersByTime(1_000)
+    expect(scope.visible()).toBe(false)
+  } finally {
+    scope.dispose()
+    jest.useRealTimers()
+  }
+})
@@ -0,0 +1,22 @@
+import { describe, expect, test } from "bun:test"
+import { marqueeText } from "../../src/util/marquee"
+import { stringWidth } from "../../src/util/string-width"
+
+describe("marquee text", () => {
+  test("keeps short text stationary", () => {
+    expect(marqueeText("Short", 10, 8)).toBe("Short")
+  })
+
+  test("starts clipped and scrolls through a long title", () => {
+    expect(marqueeText("A long session title", 8, 0)).toBe("A long s")
+    expect(marqueeText("A long session title", 8, 2)).toBe("long ses")
+    expect(marqueeText("A long session title", 8, 15)).toBe("title   ")
+    expect(marqueeText("A long session title", 8, 20)).toBe("    A lo")
+  })
+
+  test("clips wide graphemes to terminal cells", () => {
+    const frame = marqueeText("Plan 🧭 the release", 8, 5)
+    expect(frame).toBe("🧭 the r")
+    expect(stringWidth(frame)).toBeLessThanOrEqual(8)
+  })
+})
Author	SHA1	Message	Date
Aiden Cline	868a303b31	fix(core): move branch watch into Vcs LocationWatcher only existed to republish git/hg metadata as filesystem.changed for Vcs. Nothing else consumed those events. Vcs now owns the Parcel watch, same as skills and config.	2026-08-10 17:46:45 -05:00
Aiden Cline	e5b576ce3a	fix(core): restore parcel watch for git HEAD Bun fs.watch misses git's atomic HEAD.lock rename, so checkout never refreshed the cached branch. Watch the git dir with Parcel like dev, keeping only HEAD and HEAD.lock.	2026-08-10 17:35:50 -05:00
opencode-agent[bot]	33296e7959	test(app): make offset observer scheduling deterministic (#41602 ) Co-authored-by: Aiden Cline <aidenpcline@gmail.com>	2026-08-10 17:24:05 -05:00
Simon Klee	283258e95b	feat(tui): add clipboard image previews and transcript rendering (#41603 ) Use the OpenTUI clipboard service for image input, show image previews in the prompt, and render transcript images with interactive previews. Note this includes upgrade of opentui to 0.5.1 + anomalyco/opentui#1271	2026-08-10 22:51:39 +02:00
opencode-agent[bot]	d7a7256bb6	test: stabilize Windows CI timing (#41600 ) Co-authored-by: Aiden Cline <aidenpcline@gmail.com>	2026-08-10 15:25:55 -05:00
Aiden Cline	eec55fa5f8	fix(tui): keep model variant across new session (#41591 )	2026-08-10 15:13:23 -05:00
Aiden Cline	7ff27ca8cf	fix(core): resolve provider URL variables at runtime (#41580 )	2026-08-10 15:03:47 -05:00
Aiden Cline	b62dc4a636	fix(tui): show empty state when a flat picker has no matches (#41585 )	2026-08-10 14:26:29 -05:00
opencode-agent[bot]	ceec9f5b66	fix(tui): measure complete turn duration (#41508 ) Co-authored-by: Simon Klee <hello@simonklee.dk>	2026-08-10 20:27:22 +02:00
Kit Langton	bbb1b5e7d0	fix(tui): delay background work hint (#41577 )	2026-08-10 13:47:31 -04:00
Kit Langton	f0b8ad1242	feat(tui): marquee hovered tab titles (#41566 )	2026-08-10 13:47:21 -04:00
opencode-agent[bot]	be53e3bd81	chore: generate	2026-08-10 17:00:23 +00:00
Dax Raad	c22942c1f3	fix(core): tolerate unavailable wellknown config	2026-08-10 12:57:41 -04:00
opencode-agent[bot]	6895728add	fix(tui): support single-color themes (#41572 )	2026-08-10 12:54:37 -04:00
Aiden Cline	16aad9e6ad	fix(core): derive fallback message for empty AI SDK provider errors (#41450 )	2026-08-10 11:19:44 -05:00