feat(multimodal-looker): prioritize gpt-5.3-codex medium over gemini in fallback chain

2026-03-04 11:21:44 +09:00
46 changed files with 126 additions and 4544 deletions
--- a/.openchrome/hints/hints-2026-03-09.jsonl
+++ b/.openchrome/hints/hints-2026-03-09.jsonl
--- a/.openchrome/timeline/timeline-2026-03-09.jsonl
+++ b/.openchrome/timeline/timeline-2026-03-09.jsonl
--- a/bun.lock
+++ b/bun.lock
@@ -1,6 +1,6 @@
 {
  "lockfileVersion": 1,
-  "configVersion": 1,
+  "configVersion": 0,
  "workspaces": {
    "": {
      "name": "oh-my-opencode",
@@ -10,8 +10,8 @@
        "@clack/prompts": "^0.11.0",
        "@code-yeongyu/comment-checker": "^0.7.0",
        "@modelcontextprotocol/sdk": "^1.25.2",
-        "@opencode-ai/plugin": "^1.2.16",
-        "@opencode-ai/sdk": "^1.2.17",
+        "@opencode-ai/plugin": "^1.1.19",
+        "@opencode-ai/sdk": "^1.1.19",
        "commander": "^14.0.2",
        "detect-libc": "^2.0.0",
        "diff": "^8.0.3",
@@ -48,45 +48,42 @@
    "@ast-grep/napi",
    "@code-yeongyu/comment-checker",
  ],
-  "overrides": {
-    "@opencode-ai/sdk": "^1.2.17",
-  },
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@@ -94,29 +91,29 @@

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    "@types/picomatch": ["@types/picomatch@3.0.2", "", {}, "sha512-n0i8TD3UDB7paoMMxA3Y65vUncFJXjcUf7lQY7YyKGl6031FNjfsLs6pdLFCy2GNFxItPJG8GvvpbZc2skH7WA=="],

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

-    "ajv": ["ajv@8.18.0", "", { "dependencies": { "fast-deep-equal": "^3.1.3", "fast-uri": "^3.0.1", "json-schema-traverse": "^1.0.0", "require-from-string": "^2.0.2" } }, "sha512-PlXPeEWMXMZ7sPYOHqmDyCJzcfNrUr3fGNKtezX14ykXOEIvyK81d+qydx89KY5O71FKMPaQ2vBfBFI5NHR63A=="],
+    "ajv": ["ajv@8.17.1", "", { "dependencies": { "fast-deep-equal": "^3.1.3", "fast-uri": "^3.0.1", "json-schema-traverse": "^1.0.0", "require-from-string": "^2.0.2" } }, "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g=="],

    "ajv-formats": ["ajv-formats@3.0.1", "", { "dependencies": { "ajv": "^8.0.0" } }, "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ=="],

    "argparse": ["argparse@2.0.1", "", {}, "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="],

-    "body-parser": ["body-parser@2.2.2", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.3", "http-errors": "^2.0.0", "iconv-lite": "^0.7.0", "on-finished": "^2.4.1", "qs": "^6.14.1", "raw-body": "^3.0.1", "type-is": "^2.0.1" } }, "sha512-oP5VkATKlNwcgvxi0vM0p/D3n2C3EReYVX+DNYs5TjZFn/oQt2j+4sVJtSMr18pdRr8wjTcBl6LoV+FUwzPmNA=="],
+    "body-parser": ["body-parser@2.2.1", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.3", "http-errors": "^2.0.0", "iconv-lite": "^0.7.0", "on-finished": "^2.4.1", "qs": "^6.14.0", "raw-body": "^3.0.1", "type-is": "^2.0.1" } }, "sha512-nfDwkulwiZYQIGwxdy0RUmowMhKcFVcYXUU7m4QlKYim1rUtg83xm2yjZ40QjDuc291AJjjeSc9b++AWHSgSHw=="],

    "bun-types": ["bun-types@1.3.6", "", { "dependencies": { "@types/node": "*" } }, "sha512-OlFwHcnNV99r//9v5IIOgQ9Uk37gZqrNMCcqEaExdkVq3Avwqok1bJFmvGMCkCE0FqzdY8VMOZpfpR3lwI+CsQ=="],

@@ -126,7 +123,7 @@

    "call-bound": ["call-bound@1.0.4", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.2", "get-intrinsic": "^1.3.0" } }, "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg=="],

-    "commander": ["commander@14.0.3", "", {}, "sha512-H+y0Jo/T1RZ9qPP4Eh1pkcQcLRglraJaSLoyOtHxu6AapkjWVCy2Sit1QQ4x3Dng8qDlSsZEet7g5Pq06MvTgw=="],
+    "commander": ["commander@14.0.2", "", {}, "sha512-TywoWNNRbhoD0BXs1P3ZEScW8W5iKrnbithIl0YH+uCmBd0QpPOA8yc82DS3BIE5Ma6FnBVUsJ7wVUDz4dvOWQ=="],

    "content-disposition": ["content-disposition@1.0.1", "", {}, "sha512-oIXISMynqSqm241k6kcQ5UwttDILMK4BiurCfGEREw6+X9jkkpEe5T9FZaApyLGGOnFuyMWZpdolTXMtvEJ08Q=="],

@@ -136,7 +133,7 @@

    "cookie-signature": ["cookie-signature@1.2.2", "", {}, "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg=="],

-    "cors": ["cors@2.8.6", "", { "dependencies": { "object-assign": "^4", "vary": "^1" } }, "sha512-tJtZBBHA6vjIAaF6EnIaq6laBBP9aq/Y3ouVJjEfoHbRBcHBAHYcMh/w8LDrk2PvIMMq8gmopa5D4V8RmbrxGw=="],
+    "cors": ["cors@2.8.5", "", { "dependencies": { "object-assign": "^4", "vary": "^1" } }, "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g=="],

    "cross-spawn": ["cross-spawn@7.0.6", "", { "dependencies": { "path-key": "^3.1.0", "shebang-command": "^2.0.0", "which": "^2.0.1" } }, "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA=="],

@@ -194,11 +191,11 @@

    "hasown": ["hasown@2.0.2", "", { "dependencies": { "function-bind": "^1.1.2" } }, "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ=="],

-    "hono": ["hono@4.12.5", "", {}, "sha512-3qq+FUBtlTHhtYxbxheZgY8NIFnkkC/MR8u5TTsr7YZ3wixryQ3cCwn3iZbg8p8B88iDBBAYSfZDS75t8MN7Vg=="],
+    "hono": ["hono@4.12.0", "", {}, "sha512-NekXntS5M94pUfiVZ8oXXK/kkri+5WpX2/Ik+LVsl+uvw+soj4roXIsPqO+XsWrAw20mOzaXOZf3Q7PfB9A/IA=="],

    "http-errors": ["http-errors@2.0.1", "", { "dependencies": { "depd": "~2.0.0", "inherits": "~2.0.4", "setprototypeof": "~1.2.0", "statuses": "~2.0.2", "toidentifier": "~1.0.1" } }, "sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ=="],

-    "iconv-lite": ["iconv-lite@0.7.2", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw=="],
+    "iconv-lite": ["iconv-lite@0.7.1", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-2Tth85cXwGFHfvRgZWszZSvdo+0Xsqmw8k8ZwxScfcBneNUraK+dxRxRm24nszx80Y0TVio8kKLt5sLE7ZCLlw=="],

    "inherits": ["inherits@2.0.4", "", {}, "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="],

@@ -278,7 +275,7 @@

    "proxy-addr": ["proxy-addr@2.0.7", "", { "dependencies": { "forwarded": "0.2.0", "ipaddr.js": "1.9.1" } }, "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg=="],

-    "qs": ["qs@6.15.0", "", { "dependencies": { "side-channel": "^1.1.0" } }, "sha512-mAZTtNCeetKMH+pSjrb76NAM8V9a05I9aBZOHztWy/UqcJdQYNsf59vrRKWnojAT9Y+GbIvoTBC++CPHqpDBhQ=="],
+    "qs": ["qs@6.14.1", "", { "dependencies": { "side-channel": "^1.1.0" } }, "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ=="],

    "range-parser": ["range-parser@1.2.1", "", {}, "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg=="],

@@ -318,7 +315,7 @@

    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],

-    "undici-types": ["undici-types@7.18.2", "", {}, "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w=="],
+    "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],

    "unpipe": ["unpipe@1.0.0", "", {}, "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="],

@@ -330,10 +327,8 @@

    "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="],

-    "zod": ["zod@4.3.6", "", {}, "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg=="],
+    "zod": ["zod@4.1.8", "", {}, "sha512-5R1P+WwQqmmMIEACyzSvo4JXHY5WiAFHRMg+zBZKgKS+Q1viRa0C1hmUKtHltoIFKtIdki3pRxkmpP74jnNYHQ=="],

    "zod-to-json-schema": ["zod-to-json-schema@3.25.1", "", { "peerDependencies": { "zod": "^3.25 || ^4" } }, "sha512-pM/SU9d3YAggzi6MtR4h7ruuQlqKtad8e9S0fmxcMi+ueAK5Korys/aWcV9LIIHTVbj01NdzxcnXSN+O74ZIVA=="],
-
-    "@opencode-ai/plugin/zod": ["zod@4.1.8", "", {}, "sha512-5R1P+WwQqmmMIEACyzSvo4JXHY5WiAFHRMg+zBZKgKS+Q1viRa0C1hmUKtHltoIFKtIdki3pRxkmpP74jnNYHQ=="],
  }
 }
--- a/package.json
+++ b/package.json
@@ -56,8 +56,8 @@
    "@clack/prompts": "^0.11.0",
    "@code-yeongyu/comment-checker": "^0.7.0",
    "@modelcontextprotocol/sdk": "^1.25.2",
-    "@opencode-ai/plugin": "^1.2.16",
-    "@opencode-ai/sdk": "^1.2.17",
+    "@opencode-ai/plugin": "^1.1.19",
+    "@opencode-ai/sdk": "^1.1.19",
    "commander": "^14.0.2",
    "detect-libc": "^2.0.0",
    "diff": "^8.0.3",
@@ -87,9 +87,6 @@
    "oh-my-opencode-windows-x64": "3.10.0",
    "oh-my-opencode-windows-x64-baseline": "3.10.0"
  },
-  "overrides": {
-    "@opencode-ai/sdk": "^1.2.17"
-  },
  "trustedDependencies": [
    "@ast-grep/cli",
    "@ast-grep/napi",
--- a/packages/darwin-arm64/bin/index.js.map
+++ b/packages/darwin-arm64/bin/index.js.map
--- a/packages/darwin-x64-baseline/bin/index.js.map
+++ b/packages/darwin-x64-baseline/bin/index.js.map
--- a/packages/darwin-x64/bin/index.js.map
+++ b/packages/darwin-x64/bin/index.js.map
--- a/packages/linux-arm64-musl/bin/index.js.map
+++ b/packages/linux-arm64-musl/bin/index.js.map
--- a/packages/linux-arm64/bin/index.js.map
+++ b/packages/linux-arm64/bin/index.js.map
--- a/packages/linux-x64-baseline/bin/index.js.map
+++ b/packages/linux-x64-baseline/bin/index.js.map
--- a/packages/linux-x64-musl-baseline/bin/index.js.map
+++ b/packages/linux-x64-musl-baseline/bin/index.js.map
--- a/packages/linux-x64-musl/bin/index.js.map
+++ b/packages/linux-x64-musl/bin/index.js.map
--- a/packages/linux-x64/bin/index.js.map
+++ b/packages/linux-x64/bin/index.js.map
--- a/packages/windows-x64-baseline/bin/index.js.map
+++ b/packages/windows-x64-baseline/bin/index.js.map
--- a/packages/windows-x64/bin/index.js.map
+++ b/packages/windows-x64/bin/index.js.map
--- a/signatures/cla.json
+++ b/signatures/cla.json
@@ -1895,94 +1895,6 @@
      "created_at": "2026-03-04T00:43:53Z",
      "repoId": 1108837393,
      "pullRequestNo": 2277
-    },
-    {
-      "name": "chan1103",
-      "id": 241870013,
-      "comment_id": 3996082243,
-      "created_at": "2026-03-04T08:40:54Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2288
-    },
-    {
-      "name": "SeeYouCowboi",
-      "id": 103308766,
-      "comment_id": 3996126396,
-      "created_at": "2026-03-04T08:50:32Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2291
-    },
-    {
-      "name": "guazi04",
-      "id": 134621827,
-      "comment_id": 3996644267,
-      "created_at": "2026-03-04T10:31:44Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2293
-    },
-    {
-      "name": "brandonwebb-vista",
-      "id": 237281185,
-      "comment_id": 3998901238,
-      "created_at": "2026-03-04T17:07:00Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2299
-    },
-    {
-      "name": "RaviTharuma",
-      "id": 25951435,
-      "comment_id": 4000536638,
-      "created_at": "2026-03-04T21:53:38Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2302
-    },
-    {
-      "name": "Romanok2805",
-      "id": 37216910,
-      "comment_id": 4001032410,
-      "created_at": "2026-03-04T23:51:02Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2306
-    },
-    {
-      "name": "Vacbo",
-      "id": 53411412,
-      "comment_id": 4002083771,
-      "created_at": "2026-03-05T04:19:50Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2310
-    },
-    {
-      "name": "Wangmerlyn",
-      "id": 29993182,
-      "comment_id": 4004271570,
-      "created_at": "2026-03-05T11:08:09Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2318
-    },
-    {
-      "name": "mInrOz",
-      "id": 14320143,
-      "comment_id": 4004791744,
-      "created_at": "2026-03-05T12:42:30Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2321
-    },
-    {
-      "name": "hkc5",
-      "id": 142545736,
-      "comment_id": 4006670642,
-      "created_at": "2026-03-05T17:49:07Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2327
-    },
-    {
-      "name": "mrosnerr",
-      "id": 3758430,
-      "comment_id": 4006707281,
-      "created_at": "2026-03-05T17:55:33Z",
-      "repoId": 1108837393,
-      "pullRequestNo": 2328
    }
  ]
 }
--- a/src/agents/anti-duplication.test.ts
+++ b/src/agents/anti-duplication.test.ts
@@ -1,92 +0,0 @@
-/// <reference types="bun-types" />
-
-import { describe, it, expect } from "bun:test"
-import { buildAntiDuplicationSection } from "./dynamic-agent-prompt-builder"
-
-describe("buildAntiDuplicationSection", () => {
-  it("#given no arguments #when building anti-duplication section #then returns comprehensive rule section", () => {
-    //#given: no special configuration needed
-
-    //#when: building the anti-duplication section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should contain the anti-duplication rule with all key concepts
-    expect(result).toContain("Anti-Duplication Rule")
-    expect(result).toContain("CRITICAL")
-    expect(result).toContain("DO NOT perform the same search yourself")
-  })
-
-  it("#given no arguments #when building #then explicitly forbids manual re-search after delegation", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should explicitly list forbidden behaviors
-    expect(result).toContain("FORBIDDEN")
-    expect(result).toContain("manually grep/search for the same information")
-    expect(result).toContain("Re-doing the research")
-  })
-
-  it("#given no arguments #when building #then allows non-overlapping work", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should explicitly allow non-overlapping work
-    expect(result).toContain("ALLOWED")
-    expect(result).toContain("non-overlapping work")
-    expect(result).toContain("work that doesn't depend on the delegated research")
-  })
-
-  it("#given no arguments #when building #then includes wait-for-results instructions", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should include instructions for waiting properly
-    expect(result).toContain("Wait for Results Properly")
-    expect(result).toContain("End your response")
-    expect(result).toContain("Wait for the completion notification")
-    expect(result).toContain("background_output")
-  })
-
-  it("#given no arguments #when building #then explains why this matters", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should explain the purpose
-    expect(result).toContain("Why This Matters")
-    expect(result).toContain("Wasted tokens")
-    expect(result).toContain("Confusion")
-    expect(result).toContain("Efficiency")
-  })
-
-  it("#given no arguments #when building #then provides code examples", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should include examples
-    expect(result).toContain("Example")
-    expect(result).toContain("WRONG")
-    expect(result).toContain("CORRECT")
-    expect(result).toContain("task(subagent_type=")
-  })
-
-  it("#given no arguments #when building #then uses proper markdown formatting", () => {
-    //#given: no special configuration
-
-    //#when: building the section
-    const result = buildAntiDuplicationSection()
-
-    //#then: should be wrapped in Anti_Duplication tag
-    expect(result).toContain("<Anti_Duplication>")
-    expect(result).toContain("</Anti_Duplication>")
-  })
-})
--- a/src/agents/atlas/atlas-prompt.test.ts
+++ b/src/agents/atlas/atlas-prompt.test.ts
@@ -1,118 +0,0 @@
-import { describe, test, expect } from "bun:test"
-import { ATLAS_SYSTEM_PROMPT } from "./default"
-import { ATLAS_GPT_SYSTEM_PROMPT } from "./gpt"
-import { ATLAS_GEMINI_SYSTEM_PROMPT } from "./gemini"
-
-describe("Atlas prompts auto-continue policy", () => {
-  test("default variant should forbid asking user for continuation confirmation", () => {
-    // given
-    const prompt = ATLAS_SYSTEM_PROMPT
-
-    // when
-    const lowerPrompt = prompt.toLowerCase()
-
-    // then
-    expect(lowerPrompt).toContain("auto-continue policy")
-    expect(lowerPrompt).toContain("never ask the user")
-    expect(lowerPrompt).toContain("should i continue")
-    expect(lowerPrompt).toContain("proceed to next task")
-    expect(lowerPrompt).toContain("approval-style")
-    expect(lowerPrompt).toContain("auto-continue immediately")
-  })
-
-  test("gpt variant should forbid asking user for continuation confirmation", () => {
-    // given
-    const prompt = ATLAS_GPT_SYSTEM_PROMPT
-
-    // when
-    const lowerPrompt = prompt.toLowerCase()
-
-    // then
-    expect(lowerPrompt).toContain("auto-continue policy")
-    expect(lowerPrompt).toContain("never ask the user")
-    expect(lowerPrompt).toContain("should i continue")
-    expect(lowerPrompt).toContain("proceed to next task")
-    expect(lowerPrompt).toContain("approval-style")
-    expect(lowerPrompt).toContain("auto-continue immediately")
-  })
-
-  test("gemini variant should forbid asking user for continuation confirmation", () => {
-    // given
-    const prompt = ATLAS_GEMINI_SYSTEM_PROMPT
-
-    // when
-    const lowerPrompt = prompt.toLowerCase()
-
-    // then
-    expect(lowerPrompt).toContain("auto-continue policy")
-    expect(lowerPrompt).toContain("never ask the user")
-    expect(lowerPrompt).toContain("should i continue")
-    expect(lowerPrompt).toContain("proceed to next task")
-    expect(lowerPrompt).toContain("approval-style")
-    expect(lowerPrompt).toContain("auto-continue immediately")
-  })
-
-  test("all variants should require immediate continuation after verification passes", () => {
-    // given
-    const prompts = [ATLAS_SYSTEM_PROMPT, ATLAS_GPT_SYSTEM_PROMPT, ATLAS_GEMINI_SYSTEM_PROMPT]
-
-    // when / then
-    for (const prompt of prompts) {
-      const lowerPrompt = prompt.toLowerCase()
-      expect(lowerPrompt).toMatch(/auto-continue immediately after verification/)
-      expect(lowerPrompt).toMatch(/immediately delegate next task/)
-    }
-  })
-
-  test("all variants should define when user interaction is actually needed", () => {
-    // given
-    const prompts = [ATLAS_SYSTEM_PROMPT, ATLAS_GPT_SYSTEM_PROMPT, ATLAS_GEMINI_SYSTEM_PROMPT]
-
-    // when / then
-    for (const prompt of prompts) {
-      const lowerPrompt = prompt.toLowerCase()
-      expect(lowerPrompt).toMatch(/only pause.*truly blocked/)
-      expect(lowerPrompt).toMatch(/plan needs clarification|blocked by external/)
-    }
-  })
-})
-
-describe("Atlas prompts plan path consistency", () => {
-  test("default variant should use .sisyphus/plans/{plan-name}.md path", () => {
-    // given
-    const prompt = ATLAS_SYSTEM_PROMPT
-
-    // when / then
-    expect(prompt).toContain(".sisyphus/plans/{plan-name}.md")
-    expect(prompt).not.toContain(".sisyphus/tasks/{plan-name}.yaml")
-    expect(prompt).not.toContain(".sisyphus/tasks/")
-  })
-
-  test("gpt variant should use .sisyphus/plans/{plan-name}.md path", () => {
-    // given
-    const prompt = ATLAS_GPT_SYSTEM_PROMPT
-
-    // when / then
-    expect(prompt).toContain(".sisyphus/plans/{plan-name}.md")
-    expect(prompt).not.toContain(".sisyphus/tasks/")
-  })
-
-  test("gemini variant should use .sisyphus/plans/{plan-name}.md path", () => {
-    // given
-    const prompt = ATLAS_GEMINI_SYSTEM_PROMPT
-
-    // when / then
-    expect(prompt).toContain(".sisyphus/plans/{plan-name}.md")
-    expect(prompt).not.toContain(".sisyphus/tasks/")
-  })
-
-  test("all variants should read plan file after verification", () => {
-    // given
-    const prompts = [ATLAS_SYSTEM_PROMPT, ATLAS_GPT_SYSTEM_PROMPT, ATLAS_GEMINI_SYSTEM_PROMPT]
-
-    // when / then
-    for (const prompt of prompts) {
-      expect(prompt).toMatch(/read[\s\S]*?\.sisyphus\/plans\//)
-    }
-  })
-})
--- a/src/agents/atlas/default.ts
+++ b/src/agents/atlas/default.ts
@@ -99,29 +99,6 @@ Every \`task()\` prompt MUST include ALL 6 sections:
 **If your prompt is under 30 lines, it's TOO SHORT.**
 </delegation_system>

-<auto_continue>
-## AUTO-CONTINUE POLICY (STRICT)
-
-**CRITICAL: NEVER ask the user "should I continue", "proceed to next task", or any approval-style questions between plan steps.**
-
-**You MUST auto-continue immediately after verification passes:**
- After any delegation completes and passes verification → Immediately delegate next task
- Do NOT wait for user input, do NOT ask "should I continue"
- Only pause or ask if you are truly blocked by missing information, an external dependency, or a critical failure
-
-**The only time you ask the user:**
- Plan needs clarification or modification before execution
- Blocked by an external dependency beyond your control
- Critical failure prevents any further progress
-
-**Auto-continue examples:**
- Task A done → Verify → Pass → Immediately start Task B
- Task fails → Retry 3x → Still fails → Document → Move to next independent task
- NEVER: "Should I continue to the next task?"
-
-**This is NOT optional. This is core to your role as orchestrator.**
-</auto_continue>
-
 <workflow>
 ## Step 0: Register Tracking

@@ -237,7 +214,7 @@ After EVERY delegation, complete ALL of these steps — no shortcuts:

 After verification, READ the plan file directly — every time, no exceptions:
 \`\`\`
-Read(".sisyphus/plans/{plan-name}.md")
+Read(".sisyphus/tasks/{plan-name}.yaml")
 \`\`\`
 Count remaining \`- [ ]\` tasks. This is your ground truth for what comes next.

--- a/src/agents/atlas/gemini.ts
+++ b/src/agents/atlas/gemini.ts
@@ -116,29 +116,6 @@ Every \`task()\` prompt MUST include ALL 6 sections:
 **Minimum 30 lines per delegation prompt. Under 30 lines = the subagent WILL fail.**
 </delegation_system>

-<auto_continue>
-## AUTO-CONTINUE POLICY (STRICT)
-
-**CRITICAL: NEVER ask the user "should I continue", "proceed to next task", or any approval-style questions between plan steps.**
-
-**You MUST auto-continue immediately after verification passes:**
- After any delegation completes and passes verification → Immediately delegate next task
- Do NOT wait for user input, do NOT ask "should I continue"
- Only pause or ask if you are truly blocked by missing information, an external dependency, or a critical failure
-
-**The only time you ask the user:**
- Plan needs clarification or modification before execution
- Blocked by an external dependency beyond your control
- Critical failure prevents any further progress
-
-**Auto-continue examples:**
- Task A done → Verify → Pass → Immediately start Task B
- Task fails → Retry 3x → Still fails → Document → Move to next independent task
- NEVER: "Should I continue to the next task?"
-
-**This is NOT optional. This is core to your role as orchestrator.**
-</auto_continue>
-
 <workflow>
 ## Step 0: Register Tracking

--- a/src/agents/atlas/gpt.ts
+++ b/src/agents/atlas/gpt.ts
@@ -48,10 +48,9 @@ Complete ALL tasks in a work plan via \`task()\` until fully done.
 </scope_and_design_constraints>

 <uncertainty_and_ambiguity>
- During initial plan analysis, if a task is ambiguous or underspecified:
+- If a task is ambiguous or underspecified:
  - Ask 1-3 precise clarifying questions, OR
  - State your interpretation explicitly and proceed with the simplest approach.
- Once execution has started, do NOT stop to ask for continuation or approval between steps.
 - Never fabricate task details, file paths, or requirements.
 - Prefer language like "Based on the plan..." instead of absolute claims.
 - When unsure about parallelization, default to sequential execution.
@@ -135,29 +134,6 @@ Every \`task()\` prompt MUST include ALL 6 sections:
 **Minimum 30 lines per delegation prompt.**
 </delegation_system>

-<auto_continue>
-## AUTO-CONTINUE POLICY (STRICT)
-
-**CRITICAL: NEVER ask the user "should I continue", "proceed to next task", or any approval-style questions between plan steps.**
-
-**You MUST auto-continue immediately after verification passes:**
- After any delegation completes and passes verification → Immediately delegate next task
- Do NOT wait for user input, do NOT ask "should I continue"
- Only pause or ask if you are truly blocked by missing information, an external dependency, or a critical failure
-
-**The only time you ask the user:**
- Plan needs clarification or modification before execution
- Blocked by an external dependency beyond your control
- Critical failure prevents any further progress
-
-**Auto-continue examples:**
- Task A done → Verify → Pass → Immediately start Task B
- Task fails → Retry 3x → Still fails → Document → Move to next independent task
- NEVER: "Should I continue to the next task?"
-
-**This is NOT optional. This is core to your role as orchestrator.**
-</auto_continue>
-
 <workflow>
 ## Step 0: Register Tracking

--- a/src/agents/delegation-trust-prompt.test.ts
+++ b/src/agents/delegation-trust-prompt.test.ts
@@ -1,88 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { createSisyphusAgent } from "./sisyphus"
-import { createHephaestusAgent } from "./hephaestus"
-import { buildSisyphusJuniorPrompt } from "./sisyphus-junior/agent"
-import {
-  buildAntiDuplicationSection,
-  buildExploreSection,
-  type AvailableAgent,
-} from "./dynamic-agent-prompt-builder"
-
-const exploreAgent = {
-  name: "explore",
-  description: "Contextual grep specialist",
-  metadata: {
-    category: "advisor",
-    cost: "FREE",
-    promptAlias: "Explore",
-    triggers: [],
-    useWhen: ["Multiple search angles needed"],
-    avoidWhen: ["Single keyword search is enough"],
-  },
-} satisfies AvailableAgent
-
-describe("delegation trust prompt rules", () => {
-  test("buildAntiDuplicationSection explains overlap is forbidden", () => {
-    // given
-    const section = buildAntiDuplicationSection()
-
-    // when / then
-    expect(section).toContain("DO NOT perform the same search yourself")
-    expect(section).toContain("non-overlapping work")
-    expect(section).toContain("End your response")
-  })
-
-  test("buildExploreSection includes delegation trust rule", () => {
-    // given
-    const agents = [exploreAgent]
-
-    // when
-    const section = buildExploreSection(agents)
-
-    // then
-    expect(section).toContain("Delegation Trust Rule")
-    expect(section).toContain("do **not** manually perform that same search yourself")
-  })
-
-  test("Sisyphus prompt forbids duplicate delegated exploration", () => {
-    // given
-    const agent = createSisyphusAgent("anthropic/claude-sonnet-4-6", [exploreAgent])
-
-    // when
-    const prompt = agent.prompt
-
-    // then
-    expect(prompt).toContain("Continue only with non-overlapping work")
-    expect(prompt).toContain("DO NOT perform the same search yourself")
-  })
-
-  test("Hephaestus prompt forbids duplicate delegated exploration", () => {
-    // given
-    const agent = createHephaestusAgent("openai/gpt-5.2", [exploreAgent])
-
-    // when
-    const prompt = agent.prompt
-
-    // then
-    expect(prompt).toContain("Continue only with non-overlapping work after launching background agents")
-    expect(prompt).toContain("DO NOT perform the same search yourself")
-  })
-
-  test("Sisyphus-Junior GPT prompt forbids duplicate delegated exploration", () => {
-    // given
-    const prompt = buildSisyphusJuniorPrompt("openai/gpt-5.2", false)
-
-    // when / then
-    expect(prompt).toContain("continue only with non-overlapping work while they search")
-    expect(prompt).toContain("DO NOT perform the same search yourself")
-  })
-
-  test("Sisyphus-Junior Gemini prompt forbids duplicate delegated exploration", () => {
-    // given
-    const prompt = buildSisyphusJuniorPrompt("google/gemini-3.1-pro", false)
-
-    // when / then
-    expect(prompt).toContain("continue only with non-overlapping work while they search")
-    expect(prompt).toContain("DO NOT perform the same search yourself")
-  })
-})
--- a/src/agents/dynamic-agent-prompt-builder.ts
+++ b/src/agents/dynamic-agent-prompt-builder.ts
@@ -118,8 +118,6 @@ export function buildExploreSection(agents: AvailableAgent[]): string {

 Use it as a **peer tool**, not a fallback. Fire liberally.

-**Delegation Trust Rule:** Once you fire an explore agent for a search, do **not** manually perform that same search yourself. Use direct tools only for non-overlapping work or when you intentionally skipped delegation.
-
 **Use Direct Tools when:**
 ${avoidWhen.map((w) => `- ${w}`).join("\n")}

@@ -310,7 +308,6 @@ export function buildAntiPatternsSection(): string {
    "- **Search**: Firing agents for single-line typos or obvious syntax errors",
    "- **Debugging**: Shotgun debugging, random changes",
    "- **Background Tasks**: Polling `background_output` on running tasks — end response and wait for notification",
-    "- **Delegation Duplication**: Delegating exploration to explore/librarian and then manually doing the same search yourself",
    "- **Oracle**: Delivering answer without collecting Oracle results",
  ]

@@ -412,52 +409,3 @@ export function buildUltraworkSection(

  return lines.join("\n")
 }
-
-// Anti-duplication section for agent prompts
-export function buildAntiDuplicationSection(): string {
-  return `<Anti_Duplication>
-## Anti-Duplication Rule (CRITICAL)
-
-Once you delegate exploration to explore/librarian agents, **DO NOT perform the same search yourself**.
-
-### What this means:
-
-**FORBIDDEN:**
- After firing explore/librarian, manually grep/search for the same information
- Re-doing the research the agents were just tasked with
- "Just quickly checking" the same files the background agents are checking
-
-**ALLOWED:**
- Continue with **non-overlapping work** — work that doesn't depend on the delegated research
- Work on unrelated parts of the codebase
- Preparation work (e.g., setting up files, configs) that can proceed independently
-
-### Wait for Results Properly:
-
-When you need the delegated results but they're not ready:
-
-1. **End your response** — do NOT continue with work that depends on those results
-2. **Wait for the completion notification** — the system will trigger your next turn
-3. **Then** collect results via \`background_output(task_id="...")\`
-4. **Do NOT** impatiently re-search the same topics while waiting
-
-### Why This Matters:
-
- **Wasted tokens**: Duplicate exploration wastes your context budget
- **Confusion**: You might contradict the agent's findings
- **Efficiency**: The whole point of delegation is parallel throughput
-
-### Example:
-
-\`\`\`typescript
-// WRONG: After delegating, re-doing the search
-task(subagent_type="explore", run_in_background=true, ...)
-// Then immediately grep for the same thing yourself — FORBIDDEN
-
-// CORRECT: Continue non-overlapping work
-task(subagent_type="explore", run_in_background=true, ...)
-// Work on a different, unrelated file while they search
-// End your response and wait for the notification
-\`\`\`
-</Anti_Duplication>`
-}
--- a/src/agents/hephaestus.ts
+++ b/src/agents/hephaestus.ts
@@ -16,7 +16,6 @@ import {
  buildOracleSection,
  buildHardBlocksSection,
  buildAntiPatternsSection,
-  buildAntiDuplicationSection,
  categorizeTools,
 } from "./dynamic-agent-prompt-builder";

@@ -291,13 +290,11 @@ Prompt structure for each agent:
 - Fire 2-5 explore agents in parallel for any non-trivial codebase question
 - Parallelize independent file reads — don't read files one at a time
 - NEVER use \`run_in_background=false\` for explore/librarian
- Continue only with non-overlapping work after launching background agents
+- Continue your work immediately after launching background agents
 - Collect results with \`background_output(task_id="...")\` when needed
 - BEFORE final answer, cancel DISPOSABLE tasks individually: \`background_cancel(taskId="bg_explore_xxx")\`, \`background_cancel(taskId="bg_librarian_xxx")\`
 - **NEVER use \`background_cancel(all=true)\`** — it kills tasks whose results you haven't collected yet

-${buildAntiDuplicationSection()}
-
 ### Search Stop Conditions

 STOP searching when:
--- a/src/agents/sisyphus-junior/gemini.ts
+++ b/src/agents/sisyphus-junior/gemini.ts
@@ -9,7 +9,6 @@
 */

 import { resolvePromptAppend } from "../builtin-agents/resolve-file-uri"
-import { buildAntiDuplicationSection } from "../dynamic-agent-prompt-builder"

 export function buildGeminiSisyphusJuniorPrompt(
  useTaskSystem: boolean,
@@ -59,7 +58,7 @@ Before responding, ask yourself: What tools do I need to call? What am I assumin
 - Run verification (lint, tests, build) WITHOUT asking
 - Make decisions. Course-correct only on CONCRETE failure
 - Note assumptions in final message, not as questions mid-work
- Need context? Fire explore/librarian via call_omo_agent IMMEDIATELY — continue only with non-overlapping work while they search
+- Need context? Fire explore/librarian via call_omo_agent IMMEDIATELY — keep working while they search

 ## Scope Discipline

@@ -78,15 +77,13 @@ Before responding, ask yourself: What tools do I need to call? What am I assumin

 <tool_usage_rules>
 - Parallelize independent tool calls: multiple file reads, grep searches, agent fires — all at once
- Explore/Librarian via call_omo_agent = background research. Fire them and continue only with non-overlapping work
+- Explore/Librarian via call_omo_agent = background research. Fire them and keep working
 - After any file edit: restate what changed, where, and what validation follows
 - Prefer tools over guessing whenever you need specific data (files, configs, patterns)
 - ALWAYS use tools over internal knowledge for file contents, project state, and verification
 - **DO NOT SKIP tool calls because you think you already know the answer. You DON'T.**
 </tool_usage_rules>

-${buildAntiDuplicationSection()}
-
 ${taskDiscipline}

 ## Progress Updates
--- a/src/agents/sisyphus-junior/gpt.ts
+++ b/src/agents/sisyphus-junior/gpt.ts
@@ -7,7 +7,6 @@
 */

 import { resolvePromptAppend } from "../builtin-agents/resolve-file-uri"
-import { buildAntiDuplicationSection } from "../dynamic-agent-prompt-builder"

 export function buildGptSisyphusJuniorPrompt(
  useTaskSystem: boolean,
@@ -41,7 +40,7 @@ When blocked: try a different approach → decompose the problem → challenge a
 - Run verification (lint, tests, build) WITHOUT asking
 - Make decisions. Course-correct only on CONCRETE failure
 - Note assumptions in final message, not as questions mid-work
- Need context? Fire explore/librarian via call_omo_agent IMMEDIATELY — continue only with non-overlapping work while they search
+- Need context? Fire explore/librarian via call_omo_agent IMMEDIATELY — keep working while they search

 ## Scope Discipline

@@ -59,14 +58,12 @@ When blocked: try a different approach → decompose the problem → challenge a

 <tool_usage_rules>
 - Parallelize independent tool calls: multiple file reads, grep searches, agent fires — all at once
- Explore/Librarian via call_omo_agent = background research. Fire them and continue only with non-overlapping work
+- Explore/Librarian via call_omo_agent = background research. Fire them and keep working
 - After any file edit: restate what changed, where, and what validation follows
 - Prefer tools over guessing whenever you need specific data (files, configs, patterns)
 - ALWAYS use tools over internal knowledge for file contents, project state, and verification
 </tool_usage_rules>

-${buildAntiDuplicationSection()}
-
 ${taskDiscipline}

 ## Progress Updates
--- a/src/agents/sisyphus.ts
+++ b/src/agents/sisyphus.ts
@@ -35,7 +35,6 @@ import {
  buildAntiPatternsSection,
  buildDeepParallelSection,
  buildNonClaudePlannerSection,
-  buildAntiDuplicationSection,
  categorizeTools,
 } from "./dynamic-agent-prompt-builder";

@@ -334,7 +333,7 @@ task(subagent_type="explore", run_in_background=true, load_skills=[], descriptio
 // Reference Grep (external)
 task(subagent_type="librarian", run_in_background=true, load_skills=[], description="Find JWT security docs", prompt="I'm implementing JWT auth and need current security best practices to choose token storage (httpOnly cookies vs localStorage) and set expiration policy. Find: OWASP auth guidelines, recommended token lifetimes, refresh token rotation strategies, common JWT vulnerabilities. Skip 'what is JWT' tutorials — production security guidance only.")
 task(subagent_type="librarian", run_in_background=true, load_skills=[], description="Find Express auth patterns", prompt="I'm building Express auth middleware and need production-quality patterns to structure my middleware chain. Find how established Express apps (1000+ stars) handle: middleware ordering, token refresh, role-based access control, auth error propagation. Skip basic tutorials — I need battle-tested patterns with proper error handling.")
-// Continue only with non-overlapping work. System notifies on completion — collect with background_output then.
+// Continue working immediately. System notifies on completion — collect with background_output then.

 // WRONG: Sequential or blocking
 result = task(..., run_in_background=false)  // Never wait synchronously for explore/librarian
@@ -342,13 +341,11 @@ result = task(..., run_in_background=false)  // Never wait synchronously for exp

 ### Background Result Collection:
 1. Launch parallel agents \u2192 receive task_ids
-2. Continue only with non-overlapping work
+2. Continue immediate work
 3. System sends \`<system-reminder>\` on each task completion — then call \`background_output(task_id="...")\`
 4. Need results not yet ready? **End your response.** The notification will trigger your next turn.
 5. Cleanup: Cancel disposable tasks individually via \`background_cancel(taskId="...")\`

-${buildAntiDuplicationSection()}
-
 ### Search Stop Conditions

 STOP searching when:
--- a/src/cli/snapshots/model-fallback.test.ts.snap
+++ b/src/cli/snapshots/model-fallback.test.ts.snap
@@ -83,7 +83,7 @@ exports[`generateModelConfig single native provider uses Claude models when only
      "variant": "max",
    },
    "multimodal-looker": {
-      "model": "opencode/glm-4.7-free",
+      "model": "anthropic/claude-haiku-4-5",
    },
    "oracle": {
      "model": "anthropic/claude-opus-4-6",
@@ -145,7 +145,7 @@ exports[`generateModelConfig single native provider uses Claude models with isMa
      "variant": "max",
    },
    "multimodal-looker": {
-      "model": "opencode/glm-4.7-free",
+      "model": "anthropic/claude-haiku-4-5",
    },
    "oracle": {
      "model": "anthropic/claude-opus-4-6",
@@ -600,7 +600,7 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models when on
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "opencode/claude-sonnet-4-5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "opencode/claude-haiku-4-5",
@@ -675,7 +675,7 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models with is
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "opencode/claude-sonnet-4-5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "opencode/claude-haiku-4-5",
@@ -994,7 +994,7 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + OpenCode Zen
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "anthropic/claude-haiku-4-5",
@@ -1271,7 +1271,7 @@ exports[`generateModelConfig mixed provider scenarios uses all fallback provider
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "github-copilot/claude-sonnet-4.5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "opencode/claude-haiku-4-5",
@@ -1346,7 +1346,7 @@ exports[`generateModelConfig mixed provider scenarios uses all providers togethe
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "anthropic/claude-haiku-4-5",
@@ -1421,7 +1421,7 @@ exports[`generateModelConfig mixed provider scenarios uses all providers with is
  "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/dev/assets/oh-my-opencode.schema.json",
  "agents": {
    "atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
+      "model": "opencode/kimi-k2.5-free",
    },
    "explore": {
      "model": "anthropic/claude-haiku-4-5",
--- a/src/cli/config-manager.test.ts
+++ b/src/cli/config-manager.test.ts
@@ -323,7 +323,7 @@ describe("generateOmoConfig - model fallback system", () => {
    expect((result.agents as Record<string, { model: string }>).sisyphus).toBeUndefined()
    // #then Oracle should use native OpenAI (first fallback entry)
    expect((result.agents as Record<string, { model: string }>).oracle.model).toBe("openai/gpt-5.2")
-    // #then multimodal-looker should use native OpenAI (first fallback entry is gpt-5.3-codex)
+    // #then multimodal-looker should use native OpenAI (fallback within native tier)
    expect((result.agents as Record<string, { model: string }>)["multimodal-looker"].model).toBe("openai/gpt-5.3-codex")
  })

--- a/src/cli/model-fallback-requirements.ts
+++ b/src/cli/model-fallback-requirements.ts
@@ -9,6 +9,7 @@ export const CLI_AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
      { providers: ["kimi-for-coding"], model: "k2p5" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["zai-coding-plan"], model: "glm-4.7" },
      { providers: ["opencode"], model: "glm-4.7-free" },
    ],
@@ -44,9 +45,11 @@ export const CLI_AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  "multimodal-looker": {
    fallbackChain: [
      { providers: ["openai", "opencode"], model: "gpt-5.3-codex", variant: "medium" },
-      { providers: ["kimi-for-coding"], model: "k2p5" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-flash" },
      { providers: ["zai-coding-plan"], model: "glm-4.6v" },
+      { providers: ["kimi-for-coding"], model: "k2p5" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
+      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-haiku-4-5" },
      { providers: ["opencode"], model: "gpt-5-nano" },
    ],
  },
@@ -54,6 +57,7 @@ export const CLI_AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
      { providers: ["kimi-for-coding"], model: "k2p5" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2", variant: "high" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3.1-pro" },
    ],
@@ -62,6 +66,7 @@ export const CLI_AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
      { providers: ["kimi-for-coding"], model: "k2p5" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2", variant: "high" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3.1-pro", variant: "high" },
    ],
@@ -76,6 +81,7 @@ export const CLI_AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  atlas: {
    fallbackChain: [
      { providers: ["kimi-for-coding"], model: "k2p5" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-5" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3.1-pro" },
--- a/src/hooks/model-fallback/hook.test.ts
+++ b/src/hooks/model-fallback/hook.test.ts
@@ -134,8 +134,8 @@ describe("model fallback hook", () => {

    //#then - chain should progress to entry[1], not repeat entry[0]
    expect(secondOutput.message["model"]).toEqual({
-      providerID: "zai-coding-plan",
-      modelID: "glm-5",
+      providerID: "opencode",
+      modelID: "kimi-k2.5-free",
    })
    expect(secondOutput.message["variant"]).toBeUndefined()
  })
--- a/src/plugin/event.model-fallback.test.ts
+++ b/src/plugin/event.model-fallback.test.ts
@@ -334,8 +334,8 @@ describe("createEventHandler - model fallback", () => {

    //#then - second fallback entry applied (chain advanced)
    expect(second.message["model"]).toEqual({
-      providerID: "zai-coding-plan",
-      modelID: "glm-5",
+      providerID: "opencode",
+      modelID: "kimi-k2.5-free",
    })
    expect(second.message["variant"]).toBeUndefined()
    expect(abortCalls).toEqual([sessionID, sessionID])
--- a/src/plugin/system-transform.ts
+++ b/src/plugin/system-transform.ts
@@ -1,5 +1,5 @@
 export function createSystemTransformHandler(): (
-  input: { sessionID?: string; model: { id: string; providerID: string; [key: string]: unknown } },
+  input: { sessionID: string },
  output: { system: string[] },
 ) => Promise<void> {
  return async (): Promise<void> => {}
--- a/src/shared/model-requirements.test.ts
+++ b/src/shared/model-requirements.test.ts
@@ -31,7 +31,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
    // #then - fallbackChain has claude-opus-4-6 first, big-pickle last
    expect(sisyphus).toBeDefined()
    expect(sisyphus.fallbackChain).toBeArray()
-    expect(sisyphus.fallbackChain).toHaveLength(3)
+    expect(sisyphus.fallbackChain).toHaveLength(4)
    expect(sisyphus.requiresAnyModel).toBe(true)

    const primary = sisyphus.fallbackChain[0]
@@ -39,7 +39,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
    expect(primary.model).toBe("claude-opus-4-6")
    expect(primary.variant).toBe("max")

-    const last = sisyphus.fallbackChain[2]
+    const last = sisyphus.fallbackChain[3]
    expect(last.providers[0]).toBe("opencode")
    expect(last.model).toBe("big-pickle")
  })
@@ -91,7 +91,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
    const multimodalLooker = AGENT_MODEL_REQUIREMENTS["multimodal-looker"]

    // when - accessing multimodal-looker requirement
-    // then - fallbackChain: gpt-5.3-codex -> k2p5 -> gemini-3-flash -> glm-4.6v -> gpt-5-nano
+    // then - fallbackChain exists with gpt-5.3-codex first, gemini second, gpt-5-nano last
    expect(multimodalLooker).toBeDefined()
    expect(multimodalLooker.fallbackChain).toBeArray()
    expect(multimodalLooker.fallbackChain).toHaveLength(5)
@@ -102,11 +102,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
    expect(primary.variant).toBe("medium")

    const secondary = multimodalLooker.fallbackChain[1]
-    expect(secondary.providers).toEqual(["kimi-for-coding"])
-    expect(secondary.model).toBe("k2p5")
-
-    const tertiary = multimodalLooker.fallbackChain[2]
-    expect(tertiary.model).toBe("gemini-3-flash")
+    expect(secondary.model).toBe("gemini-3-flash")

    const last = multimodalLooker.fallbackChain[4]
    expect(last.providers).toEqual(["openai", "github-copilot", "opencode"])
@@ -161,19 +157,19 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
    expect(primary.providers[0]).toBe("openai")
  })

-  test("atlas has valid fallbackChain with claude-sonnet-4-6 as primary", () => {
+  test("atlas has valid fallbackChain with kimi-k2.5-free as primary", () => {
    // given - atlas agent requirement
    const atlas = AGENT_MODEL_REQUIREMENTS["atlas"]

    // when - accessing Atlas requirement
-    // then - fallbackChain exists with claude-sonnet-4-6 as first entry
+    // then - fallbackChain exists with kimi-k2.5-free as first entry
    expect(atlas).toBeDefined()
    expect(atlas.fallbackChain).toBeArray()
    expect(atlas.fallbackChain.length).toBeGreaterThan(0)

    const primary = atlas.fallbackChain[0]
-    expect(primary.model).toBe("claude-sonnet-4-6")
-    expect(primary.providers[0]).toBe("anthropic")
+    expect(primary.model).toBe("kimi-k2.5-free")
+    expect(primary.providers[0]).toBe("opencode")
  })

  test("hephaestus supports openai, github-copilot, venice, and opencode providers", () => {
@@ -343,23 +339,27 @@ describe("CATEGORY_MODEL_REQUIREMENTS", () => {
    expect(primary.providers[0]).toBe("google")
  })

-  test("writing has valid fallbackChain with gemini-3-flash as primary", () => {
+  test("writing has valid fallbackChain with kimi-k2.5-free as primary", () => {
    // given - writing category requirement
    const writing = CATEGORY_MODEL_REQUIREMENTS["writing"]

    // when - accessing writing requirement
-    // then - fallbackChain: gemini-3-flash -> claude-sonnet-4-6
+    // then - fallbackChain: kimi-k2.5-free -> gemini-3-flash -> claude-sonnet-4-6
    expect(writing).toBeDefined()
    expect(writing.fallbackChain).toBeArray()
-    expect(writing.fallbackChain).toHaveLength(2)
+    expect(writing.fallbackChain).toHaveLength(3)

    const primary = writing.fallbackChain[0]
-    expect(primary.model).toBe("gemini-3-flash")
-    expect(primary.providers[0]).toBe("google")
+    expect(primary.model).toBe("kimi-k2.5-free")
+    expect(primary.providers[0]).toBe("opencode")

    const second = writing.fallbackChain[1]
-    expect(second.model).toBe("claude-sonnet-4-6")
-    expect(second.providers[0]).toBe("anthropic")
+    expect(second.model).toBe("gemini-3-flash")
+    expect(second.providers[0]).toBe("google")
+
+    const third = writing.fallbackChain[2]
+    expect(third.model).toBe("claude-sonnet-4-6")
+    expect(third.providers[0]).toBe("anthropic")
  })

  test("all 8 categories have valid fallbackChain arrays", () => {
--- a/src/shared/model-requirements.ts
+++ b/src/shared/model-requirements.ts
@@ -16,6 +16,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  sisyphus: {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["zai-coding-plan", "opencode"], model: "glm-5" },
      { providers: ["opencode"], model: "big-pickle" },
    ],
@@ -53,8 +54,8 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  "multimodal-looker": {
    fallbackChain: [
      { providers: ["openai", "opencode"], model: "gpt-5.3-codex", variant: "medium" },
-      { providers: ["kimi-for-coding"], model: "k2p5" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-flash" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["zai-coding-plan"], model: "glm-4.6v" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5-nano" },
    ],
@@ -63,12 +64,14 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2", variant: "high" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3.1-pro" },
    ],
  },
  metis: {
    fallbackChain: [
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-6", variant: "max" },
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2", variant: "high" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3.1-pro", variant: "high" },
    ],
@@ -82,6 +85,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  },
  atlas: {
    fallbackChain: [
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-6" },
      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2" },
    ],
@@ -142,6 +146,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
  },
  writing: {
    fallbackChain: [
+      { providers: ["opencode"], model: "kimi-k2.5-free" },
      { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-flash" },
      { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-6" },
    ],
--- a/src/tools/background-task/constants.ts
+++ b/src/tools/background-task/constants.ts
@@ -2,6 +2,6 @@ export const BACKGROUND_TASK_DESCRIPTION = `Run agent task in background. Return

 Use \`background_output\` to get results. Prompts MUST be in English.`

-export const BACKGROUND_OUTPUT_DESCRIPTION = `Get output from background task. Use full_session=true to fetch session messages with filters. System notifies on completion, so block=true rarely needed. - Timeout values are in milliseconds (ms), NOT seconds.`
+export const BACKGROUND_OUTPUT_DESCRIPTION = `Get output from background task. Use full_session=true to fetch session messages with filters. System notifies on completion, so block=true rarely needed.`

 export const BACKGROUND_CANCEL_DESCRIPTION = `Cancel running background task(s). Use all=true to cancel ALL before final answer.`
--- a/src/tools/background-task/create-background-output.ts
+++ b/src/tools/background-task/create-background-output.ts
@@ -87,6 +87,7 @@ export function createBackgroundOutput(manager: BackgroundOutputManager, client:

        const shouldBlock = args.block === true
        const timeoutMs = Math.min(args.timeout ?? 60000, 600000)
+        const fullSession = args.full_session ?? true

        let resolvedTask = task

@@ -122,10 +123,6 @@ export function createBackgroundOutput(manager: BackgroundOutputManager, client:
        }

        const isActive = isTaskActiveStatus(resolvedTask.status)
-        const fullSessionProvided = args.full_session !== undefined
-        const fullSession = fullSessionProvided
-          ? (args.full_session ?? true)
-          : !isActive
        const includeThinking = isActive || (args.include_thinking ?? false)
        const includeToolResults = isActive || (args.include_tool_results ?? false)

--- a/src/tools/delegate-task/background-continuation.ts
+++ b/src/tools/delegate-task/background-continuation.ts
@@ -33,7 +33,6 @@ export async function executeBackgroundContinuation(
        run_in_background: args.run_in_background,
        sessionId: task.sessionID,
        command: args.command,
-        model: task.model ? { providerID: task.model.providerID, modelID: task.model.modelID } : undefined,
      },
    }
    await ctx.metadata?.(bgContMeta)
--- a/src/tools/delegate-task/background-task.test.ts
+++ b/src/tools/delegate-task/background-task.test.ts
@@ -1,158 +0,0 @@
-const bunTest = require("bun:test")
-const describeFn = bunTest.describe
-const testFn = bunTest.test
-const expectFn = bunTest.expect
-const beforeEachFn = bunTest.beforeEach
-const afterEachFn = bunTest.afterEach
-
-const { executeBackgroundTask } = require("./background-task")
-const { __setTimingConfig, __resetTimingConfig } = require("./timing")
-
-describeFn("executeBackgroundTask output/session metadata compatibility", () => {
-  beforeEachFn(() => {
-    //#given - reduce waiting to keep tests fast
-    __setTimingConfig({
-      WAIT_FOR_SESSION_INTERVAL_MS: 1,
-      WAIT_FOR_SESSION_TIMEOUT_MS: 2,
-    })
-  })
-
-  afterEachFn(() => {
-    __resetTimingConfig()
-  })
-
-  testFn("does not emit synthetic pending session metadata when session id is unresolved", async () => {
-    //#given - launched task without resolved subagent session id
-    const metadataCalls: any[] = []
-    const manager = {
-      launch: async () => ({
-        id: "bg_unresolved",
-        sessionID: undefined,
-        description: "Unresolved session",
-        agent: "explore",
-        status: "running",
-      }),
-      getTask: () => undefined,
-    }
-
-    const result = await executeBackgroundTask(
-      {
-        description: "Unresolved session",
-        prompt: "check",
-        run_in_background: true,
-        load_skills: [],
-      },
-      {
-        sessionID: "ses_parent",
-        callID: "call_1",
-        metadata: async (value: any) => metadataCalls.push(value),
-        abort: new AbortController().signal,
-      },
-      { manager },
-      { sessionID: "ses_parent", messageID: "msg_1" },
-      "explore",
-      undefined,
-      undefined,
-      undefined,
-    )
-
-    //#then - output and metadata should avoid fake session markers
-    expectFn(result).not.toContain("<task_metadata>")
-    expectFn(result).not.toContain("session_id: undefined")
-    expectFn(result).not.toContain("session_id: pending")
-    expectFn(metadataCalls).toHaveLength(1)
-    expectFn("sessionId" in metadataCalls[0].metadata).toBe(false)
-  })
-
-  testFn("emits task metadata session_id when real session id is available", async () => {
-    //#given - launched task with resolved subagent session id
-    const metadataCalls: any[] = []
-    const manager = {
-      launch: async () => ({
-        id: "bg_resolved",
-        sessionID: "ses_sub_123",
-        description: "Resolved session",
-        agent: "explore",
-        status: "running",
-      }),
-      getTask: () => ({ sessionID: "ses_sub_123" }),
-    }
-
-    const result = await executeBackgroundTask(
-      {
-        description: "Resolved session",
-        prompt: "check",
-        run_in_background: true,
-        load_skills: [],
-      },
-      {
-        sessionID: "ses_parent",
-        callID: "call_2",
-        metadata: async (value: any) => metadataCalls.push(value),
-        abort: new AbortController().signal,
-      },
-      { manager },
-      { sessionID: "ses_parent", messageID: "msg_2" },
-      "explore",
-      undefined,
-      undefined,
-      undefined,
-    )
-
-    //#then - output and metadata should include canonical session linkage
-    expectFn(result).toContain("<task_metadata>")
-    expectFn(result).toContain("session_id: ses_sub_123")
-    expectFn(result).toContain("task_id: ses_sub_123")
-    expectFn(result).toContain("background_task_id: bg_resolved")
-    expectFn(result).toContain("Background Task ID: bg_resolved")
-    expectFn(metadataCalls).toHaveLength(1)
-    expectFn(metadataCalls[0].metadata.sessionId).toBe("ses_sub_123")
-  })
-
-  testFn("captures late-resolved session id and emits synced metadata", async () => {
-    //#given - background task session id appears after launch via manager polling
-    const metadataCalls: any[] = []
-    let reads = 0
-    const manager = {
-      launch: async () => ({
-        id: "bg_late",
-        sessionID: undefined,
-        description: "Late session",
-        agent: "explore",
-        status: "running",
-      }),
-      getTask: () => {
-        reads += 1
-        return reads >= 2 ? { sessionID: "ses_late_123" } : undefined
-      },
-    }
-
-    const result = await executeBackgroundTask(
-      {
-        description: "Late session",
-        prompt: "check",
-        run_in_background: true,
-        load_skills: [],
-      },
-      {
-        sessionID: "ses_parent",
-        callID: "call_3",
-        metadata: async (value: any) => metadataCalls.push(value),
-        abort: new AbortController().signal,
-      },
-      { manager },
-      { sessionID: "ses_parent", messageID: "msg_3" },
-      "explore",
-      undefined,
-      undefined,
-      undefined,
-    )
-
-    //#then - late session id still propagates to task metadata contract
-    expectFn(result).toContain("session_id: ses_late_123")
-    expectFn(result).toContain("task_id: ses_late_123")
-    expectFn(result).toContain("background_task_id: bg_late")
-    expectFn(metadataCalls).toHaveLength(1)
-    expectFn(metadataCalls[0].metadata.sessionId).toBe("ses_late_123")
-  })
-})
--- a/src/tools/delegate-task/background-task.ts
+++ b/src/tools/delegate-task/background-task.ts
@@ -56,39 +56,36 @@ export async function executeBackgroundTask(
      SessionCategoryRegistry.register(sessionId, args.category)
    }

-    const metadata = {
-      prompt: args.prompt,
-      agent: task.agent,
-      category: args.category,
-      load_skills: args.load_skills,
-      description: args.description,
-      run_in_background: args.run_in_background,
-      command: args.command,
-      ...(sessionId ? { sessionId } : {}),
-      ...(categoryModel ? { model: { providerID: categoryModel.providerID, modelID: categoryModel.modelID } } : {}),
-    }
-
    const unstableMeta = {
      title: args.description,
-      metadata,
+      metadata: {
+        prompt: args.prompt,
+        agent: task.agent,
+        category: args.category,
+        load_skills: args.load_skills,
+        description: args.description,
+        run_in_background: args.run_in_background,
+        sessionId: sessionId ?? "pending",
+        command: args.command,
+      },
    }
    await ctx.metadata?.(unstableMeta)
    if (ctx.callID) {
      storeToolMetadata(ctx.sessionID, ctx.callID, unstableMeta)
    }

-    const taskMetadataBlock = sessionId
-      ? `\n\n<task_metadata>\nsession_id: ${sessionId}\ntask_id: ${sessionId}\nbackground_task_id: ${task.id}\n</task_metadata>`
-      : ""
-
    return `Background task launched.

-Background Task ID: ${task.id}
+Task ID: ${task.id}
 Description: ${task.description}
 Agent: ${task.agent}${args.category ? ` (category: ${args.category})` : ""}
 Status: ${task.status}

-System notifies on completion. Use \`background_output\` with task_id="${task.id}" to check.${taskMetadataBlock}`
+System notifies on completion. Use \`background_output\` with task_id="${task.id}" to check.
+
+<task_metadata>
+session_id: ${sessionId}
+</task_metadata>`
  } catch (error) {
    return formatDetailedError(error, {
      operation: "Launch background task",
--- a/src/tools/delegate-task/metadata-model-unification.test.ts
+++ b/src/tools/delegate-task/metadata-model-unification.test.ts
@@ -1,172 +0,0 @@
-const { describe, test, expect, mock } = require("bun:test")
-
-import type { DelegateTaskArgs, ToolContextWithMetadata } from "./types"
-import type { ParentContext } from "./executor-types"
-
-const MODEL = { providerID: "anthropic", modelID: "claude-sonnet-4-6" }
-
-function makeMockCtx(): ToolContextWithMetadata & { captured: any[] } {
-  const captured: any[] = []
-  return {
-    sessionID: "ses_parent",
-    messageID: "msg_parent",
-    agent: "sisyphus",
-    abort: new AbortController().signal,
-    callID: "call_001",
-    metadata: async (input: any) => { captured.push(input) },
-    captured,
-  }
-}
-
-const parentContext: ParentContext = {
-  sessionID: "ses_parent",
-  messageID: "msg_parent",
-  agent: "sisyphus",
-  model: MODEL,
-}
-
-describe("metadata model unification", () => {
-  describe("#given delegate-task executors", () => {
-    describe("#when metadata is set during execution", () => {
-
-      test("#then sync-task metadata includes model", async () => {
-        const { executeSyncTask } = require("./sync-task")
-        const ctx = makeMockCtx()
-        const deps = {
-          createSyncSession: async () => ({ ok: true, sessionID: "ses_sync" }),
-          sendSyncPrompt: async () => null,
-          pollSyncSession: async () => null,
-          fetchSyncResult: async () => ({ ok: true as const, textContent: "done" }),
-        }
-        const args: DelegateTaskArgs = {
-          description: "test", prompt: "do it",
-          category: "quick", load_skills: [], run_in_background: false,
-        }
-
-        await executeSyncTask(args, ctx, {
-          client: { session: { create: async () => ({ data: { id: "ses_sync" } }) } },
-          directory: "/tmp",
-          onSyncSessionCreated: null,
-        }, parentContext, "explore", MODEL, undefined, undefined, undefined, deps)
-
-        const meta = ctx.captured.find((m: any) => m.metadata?.sessionId)
-        expect(meta).toBeDefined()
-        expect(meta.metadata.model).toEqual(MODEL)
-      })
-
-      test("#then background-task metadata includes model", async () => {
-        const { executeBackgroundTask } = require("./background-task")
-        const ctx = makeMockCtx()
-        const args: DelegateTaskArgs = {
-          description: "test", prompt: "do it",
-          load_skills: [], run_in_background: true, subagent_type: "explore",
-        }
-
-        await executeBackgroundTask(args, ctx, {
-          manager: {
-            launch: async () => ({
-              id: "bg_1", description: "test", agent: "explore",
-              status: "pending", sessionID: "ses_bg", model: MODEL,
-            }),
-            getTask: () => undefined,
-          },
-        } as any, parentContext, "explore", MODEL, undefined)
-
-        const meta = ctx.captured.find((m: any) => m.metadata?.sessionId)
-        expect(meta).toBeDefined()
-        expect(meta.metadata.model).toEqual(MODEL)
-      })
-
-      test("#then unstable-agent-task metadata includes model", async () => {
-        const { executeUnstableAgentTask } = require("./unstable-agent-task")
-        const ctx = makeMockCtx()
-        const args: DelegateTaskArgs = {
-          description: "test", prompt: "do it",
-          category: "quick", load_skills: [], run_in_background: false,
-        }
-
-        const launchedTask = {
-          id: "bg_unstable", description: "test", agent: "explore",
-          status: "completed", sessionID: "ses_unstable", model: MODEL,
-        }
-        const result = await executeUnstableAgentTask(
-          args, ctx,
-          {
-            manager: {
-              launch: async () => launchedTask,
-              getTask: () => launchedTask,
-            },
-            client: {
-              session: {
-                status: async () => ({ data: { ses_unstable: { type: "idle" } } }),
-                messages: async () => ({
-                  data: [{
-                    info: { role: "assistant", time: { created: 1 } },
-                    parts: [{ type: "text", text: "done" }],
-                  }],
-                }),
-              },
-            },
-            syncPollTimeoutMs: 100,
-          } as any,
-          parentContext, "explore", MODEL, undefined, "anthropic/claude-sonnet-4-6",
-        )
-
-        const meta = ctx.captured.find((m: any) => m.metadata?.sessionId)
-        expect(meta).toBeDefined()
-        expect(meta.metadata.model).toEqual(MODEL)
-      })
-
-      test("#then background-continuation metadata includes model from task", async () => {
-        const { executeBackgroundContinuation } = require("./background-continuation")
-        const ctx = makeMockCtx()
-        const args: DelegateTaskArgs = {
-          description: "continue", prompt: "keep going",
-          load_skills: [], run_in_background: true, session_id: "ses_resumed",
-        }
-
-        await executeBackgroundContinuation(args, ctx, {
-          manager: {
-            resume: async () => ({
-              id: "bg_2", description: "continue", agent: "explore",
-              status: "running", sessionID: "ses_resumed", model: MODEL,
-            }),
-          },
-        } as any, parentContext)
-
-        const meta = ctx.captured.find((m: any) => m.metadata?.sessionId)
-        expect(meta).toBeDefined()
-        expect(meta.metadata.model).toEqual(MODEL)
-      })
-
-      test("#then sync-continuation metadata includes model from resumed session", async () => {
-        const { executeSyncContinuation } = require("./sync-continuation")
-        const ctx = makeMockCtx()
-        const args: DelegateTaskArgs = {
-          description: "continue", prompt: "keep going",
-          load_skills: [], run_in_background: false, session_id: "ses_cont",
-        }
-
-        const deps = {
-          pollSyncSession: async () => null,
-          fetchSyncResult: async () => ({ ok: true as const, textContent: "done" }),
-        }
-
-        await executeSyncContinuation(args, ctx, {
-          client: {
-            session: {
-              messages: async () => ({
-                data: [{ info: { agent: "explore", model: MODEL, providerID: "anthropic", modelID: "claude-sonnet-4-6" } }],
-              }),
-              prompt: async () => ({}),
-            },
-          },
-        } as any, deps)
-
-        const meta = ctx.captured.find((m: any) => m.metadata?.sessionId)
-        expect(meta).toBeDefined()
-        expect(meta.metadata.model).toEqual(MODEL)
-      })
-    })
-  })
-})
--- a/src/tools/delegate-task/sync-continuation.ts
+++ b/src/tools/delegate-task/sync-continuation.ts
@@ -32,7 +32,22 @@ export async function executeSyncContinuation(
    })
  }

-  let syncContMeta: { title: string; metadata: Record<string, unknown> } | undefined
+  const syncContMeta = {
+    title: `Continue: ${args.description}`,
+    metadata: {
+      prompt: args.prompt,
+      load_skills: args.load_skills,
+      description: args.description,
+      run_in_background: args.run_in_background,
+      sessionId: args.session_id,
+      sync: true,
+      command: args.command,
+    },
+  }
+  await ctx.metadata?.(syncContMeta)
+  if (ctx.callID) {
+    storeToolMetadata(ctx.sessionID, ctx.callID, syncContMeta)
+  }

  let resumeAgent: string | undefined
  let resumeModel: { providerID: string; modelID: string } | undefined
@@ -63,24 +78,6 @@ export async function executeSyncContinuation(
      resumeVariant = resumeMessage?.model?.variant
    }

-    syncContMeta = {
-      title: `Continue: ${args.description}`,
-      metadata: {
-        prompt: args.prompt,
-        load_skills: args.load_skills,
-        description: args.description,
-        run_in_background: args.run_in_background,
-        sessionId: args.session_id,
-        sync: true,
-        command: args.command,
-        model: resumeModel,
-      },
-    }
-    await ctx.metadata?.(syncContMeta)
-    if (ctx.callID) {
-      storeToolMetadata(ctx.sessionID, ctx.callID, syncContMeta)
-    }
-
    const allowTask = isPlanFamily(resumeAgent)
    const tools = {
      ...(resumeAgent ? getAgentToolRestrictions(resumeAgent) : {}),
--- a/src/tools/delegate-task/sync-task.ts
+++ b/src/tools/delegate-task/sync-task.ts
@@ -91,7 +91,6 @@ export async function executeSyncTask(
        sessionId: sessionID,
        sync: true,
        command: args.command,
-        model: categoryModel ? { providerID: categoryModel.providerID, modelID: categoryModel.modelID } : undefined,
      },
    }
    await ctx.metadata?.(syncTaskMeta)
--- a/src/tools/delegate-task/unstable-agent-task.ts
+++ b/src/tools/delegate-task/unstable-agent-task.ts
@@ -66,7 +66,6 @@ export async function executeUnstableAgentTask(
        run_in_background: args.run_in_background,
        sessionId: sessionID,
        command: args.command,
-        model: categoryModel ? { providerID: categoryModel.providerID, modelID: categoryModel.modelID } : undefined,
      },
    }
    await ctx.metadata?.(bgTaskMeta)
--- a/src/tools/look-at/tools.test.ts
+++ b/src/tools/look-at/tools.test.ts
@@ -456,96 +456,6 @@ describe("look-at tool", () => {
    })
  })

-  describe("createLookAt unhandled error resilience", () => {
-    const createToolContext = (): ToolContext => ({
-      sessionID: "parent-session",
-      messageID: "parent-message",
-      agent: "sisyphus",
-      directory: "/project",
-      worktree: "/project",
-      abort: new AbortController().signal,
-      metadata: () => {},
-      ask: async () => {},
-    })
-
-    // given session.create throws (network error, not error response)
-    // when LookAt tool executed
-    // then returns error string instead of crashing
-    test("catches session.create throw and returns error string", async () => {
-      const mockClient = {
-        session: {
-          get: async () => ({ data: { directory: "/project" } }),
-          create: async () => { throw new Error("ECONNREFUSED: connection refused") },
-        },
-      }
-
-      const tool = createLookAt({
-        client: mockClient,
-        directory: "/project",
-      } as any)
-
-      const result = await tool.execute(
-        { file_path: "/test/file.png", goal: "analyze" },
-        createToolContext(),
-      )
-      expect(result).toContain("Error")
-      expect(result).toContain("ECONNREFUSED")
-    })
-
-    // given session.messages throws unexpectedly
-    // when LookAt tool executed
-    // then returns error string instead of crashing
-    test("catches session.messages throw and returns error string", async () => {
-      const mockClient = {
-        app: {
-          agents: async () => ({ data: [] }),
-        },
-        session: {
-          get: async () => ({ data: { directory: "/project" } }),
-          create: async () => ({ data: { id: "ses_msg_throw" } }),
-          prompt: async () => ({}),
-          messages: async () => { throw new Error("Unexpected server error") },
-        },
-      }
-
-      const tool = createLookAt({
-        client: mockClient,
-        directory: "/project",
-      } as any)
-
-      const result = await tool.execute(
-        { file_path: "/test/file.png", goal: "analyze" },
-        createToolContext(),
-      )
-      expect(result).toContain("Error")
-      expect(result).toContain("Unexpected server error")
-    })
-
-    // given a non-Error object is thrown
-    // when LookAt tool executed
-    // then still returns error string
-    test("handles non-Error thrown objects gracefully", async () => {
-      const mockClient = {
-        session: {
-          get: async () => ({ data: { directory: "/project" } }),
-          create: async () => { throw "string error thrown" },
-        },
-      }
-
-      const tool = createLookAt({
-        client: mockClient,
-        directory: "/project",
-      } as any)
-
-      const result = await tool.execute(
-        { file_path: "/test/file.png", goal: "analyze" },
-        createToolContext(),
-      )
-      expect(result).toContain("Error")
-      expect(result).toContain("string error thrown")
-    })
-  })
-
  describe("createLookAt with image_data", () => {
    // given base64 image data is provided
    // when LookAt tool executed
--- a/src/tools/look-at/tools.ts
+++ b/src/tools/look-at/tools.ts
@@ -217,10 +217,6 @@ Original error: ${createResult.error}`

        log(`[look_at] Got response, length: ${responseText.length}`)
        return responseText
-      } catch (error) {
-        const errorMessage = error instanceof Error ? error.message : String(error)
-        log(`[look_at] Unexpected error analyzing ${sourceDescription}:`, error)
-        return `Error: Failed to analyze ${sourceDescription}: ${errorMessage}`
      } finally {
        if (tempConversionPath) {
          cleanupConvertedImage(tempConversionPath)