diag(todo-continuation): add comprehensive debug logging for session idle handling

Add [TODO-DIAG] console.error statements throughout the todo continuation
enforcer to help diagnose why continuation prompts aren't being injected.

Changes:
- Add session.idle event handler diagnostic in handler.ts
- Add detailed blocking reason logging in idle-event.ts for all gate checks
- Update JSON schema to reflect circuit breaker config changes

🤖 Generated with assistance of [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)

.github/workflows/publish-platform.yml

@@ -59,20 +59,39 @@ jobs:
       - name: Check if already published
         id: check
         run: |
-          PKG_NAME="oh-my-opencode-${{ matrix.platform }}"
           VERSION="${{ inputs.version }}"
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/${PKG_NAME}/${VERSION}")
-          # Convert platform name for output (replace - with _)
           PLATFORM_KEY="${{ matrix.platform }}"
           PLATFORM_KEY="${PLATFORM_KEY//-/_}"
-          if [ "$STATUS" = "200" ]; then
+          
+          # Check oh-my-opencode
+          OC_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/oh-my-opencode-${{ matrix.platform }}/${VERSION}")
+          # Check oh-my-openagent
+          OA_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/oh-my-openagent-${{ matrix.platform }}/${VERSION}")
+          
+          echo "oh-my-opencode-${{ matrix.platform }}@${VERSION}: ${OC_STATUS}"
+          echo "oh-my-openagent-${{ matrix.platform }}@${VERSION}: ${OA_STATUS}"
+          
+          if [ "$OC_STATUS" = "200" ]; then
+            echo "skip_opencode=true" >> $GITHUB_OUTPUT
+            echo "✓ oh-my-opencode-${{ matrix.platform }}@${VERSION} already published"
+          else
+            echo "skip_opencode=false" >> $GITHUB_OUTPUT
+            echo "→ oh-my-opencode-${{ matrix.platform }}@${VERSION} needs publishing"
+          fi
+          
+          if [ "$OA_STATUS" = "200" ]; then
+            echo "skip_openagent=true" >> $GITHUB_OUTPUT
+            echo "✓ oh-my-openagent-${{ matrix.platform }}@${VERSION} already published"
+          else
+            echo "skip_openagent=false" >> $GITHUB_OUTPUT
+            echo "→ oh-my-openagent-${{ matrix.platform }}@${VERSION} needs publishing"
+          fi
+          
+          # Skip build only if BOTH are already published
+          if [ "$OC_STATUS" = "200" ] && [ "$OA_STATUS" = "200" ]; then
             echo "skip=true" >> $GITHUB_OUTPUT
-            echo "skip_${PLATFORM_KEY}=true" >> $GITHUB_OUTPUT
-            echo "✓ ${PKG_NAME}@${VERSION} already published"
           else
             echo "skip=false" >> $GITHUB_OUTPUT
-            echo "skip_${PLATFORM_KEY}=false" >> $GITHUB_OUTPUT
-            echo "→ ${PKG_NAME}@${VERSION} needs publishing"
           fi
 
       - name: Update version in package.json
@@ -207,23 +226,38 @@ jobs:
       matrix:
         platform: [darwin-arm64, darwin-x64, darwin-x64-baseline, linux-x64, linux-x64-baseline, linux-arm64, linux-x64-musl, linux-x64-musl-baseline, linux-arm64-musl, windows-x64, windows-x64-baseline]
     steps:
-      - name: Check if oh-my-opencode already published
+      - name: Check if already published
         id: check
         run: |
-          PKG_NAME="oh-my-opencode-${{ matrix.platform }}"
           VERSION="${{ inputs.version }}"
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/${PKG_NAME}/${VERSION}")
-          if [ "$STATUS" = "200" ]; then
-            echo "skip=true" >> $GITHUB_OUTPUT
-            echo "✓ ${PKG_NAME}@${VERSION} already published, skipping"
+          
+          OC_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/oh-my-opencode-${{ matrix.platform }}/${VERSION}")
+          OA_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/oh-my-openagent-${{ matrix.platform }}/${VERSION}")
+          
+          if [ "$OC_STATUS" = "200" ]; then
+            echo "skip_opencode=true" >> $GITHUB_OUTPUT
+            echo "✓ oh-my-opencode-${{ matrix.platform }}@${VERSION} already published"
           else
-            echo "skip=false" >> $GITHUB_OUTPUT
-            echo "→ ${PKG_NAME}@${VERSION} will be published"
+            echo "skip_opencode=false" >> $GITHUB_OUTPUT
+          fi
+          
+          if [ "$OA_STATUS" = "200" ]; then
+            echo "skip_openagent=true" >> $GITHUB_OUTPUT
+            echo "✓ oh-my-openagent-${{ matrix.platform }}@${VERSION} already published"
+          else
+            echo "skip_openagent=false" >> $GITHUB_OUTPUT
+          fi
+          
+          # Need artifact if either package needs publishing
+          if [ "$OC_STATUS" = "200" ] && [ "$OA_STATUS" = "200" ]; then
+            echo "skip_all=true" >> $GITHUB_OUTPUT
+          else
+            echo "skip_all=false" >> $GITHUB_OUTPUT
           fi
 
       - name: Download artifact
         id: download
-        if: steps.check.outputs.skip != 'true'
+        if: steps.check.outputs.skip_all != 'true'
         continue-on-error: true
         uses: actions/download-artifact@v4
         with:
@@ -231,7 +265,7 @@ jobs:
           path: .
 
       - name: Extract artifact
-        if: steps.check.outputs.skip != 'true' && steps.download.outcome == 'success'
+        if: steps.check.outputs.skip_all != 'true' && steps.download.outcome == 'success'
         run: |
           PLATFORM="${{ matrix.platform }}"
           mkdir -p packages/${PLATFORM}
@@ -247,13 +281,13 @@ jobs:
           ls -la packages/${PLATFORM}/bin/
 
       - uses: actions/setup-node@v4
-        if: steps.check.outputs.skip != 'true' && steps.download.outcome == 'success'
+        if: steps.check.outputs.skip_all != 'true' && steps.download.outcome == 'success'
         with:
           node-version: "24"
           registry-url: "https://registry.npmjs.org"
 
-      - name: Publish ${{ matrix.platform }}
-        if: steps.check.outputs.skip != 'true' && steps.download.outcome == 'success'
+      - name: Publish oh-my-opencode-${{ matrix.platform }}
+        if: steps.check.outputs.skip_opencode != 'true' && steps.download.outcome == 'success'
         run: |
           cd packages/${{ matrix.platform }}
           
@@ -267,3 +301,25 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}
           NPM_CONFIG_PROVENANCE: true
         timeout-minutes: 15
+
+      - name: Publish oh-my-openagent-${{ matrix.platform }}
+        if: steps.check.outputs.skip_openagent != 'true' && steps.download.outcome == 'success'
+        run: |
+          cd packages/${{ matrix.platform }}
+          
+          # Rename package for oh-my-openagent
+          jq --arg name "oh-my-openagent-${{ matrix.platform }}" \
+             --arg desc "Platform-specific binary for oh-my-openagent (${{ matrix.platform }})" \
+             '.name = $name | .description = $desc | .bin = {"oh-my-openagent": (.bin | to_entries | .[0].value)}' \
+             package.json > tmp.json && mv tmp.json package.json
+          
+          TAG_ARG=""
+          if [ -n "${{ inputs.dist_tag }}" ]; then
+            TAG_ARG="--tag ${{ inputs.dist_tag }}"
+          fi
+          
+          npm publish --access public --provenance $TAG_ARG
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}
+          NPM_CONFIG_PROVENANCE: true
+        timeout-minutes: 15

.github/workflows/publish.yml

@@ -216,6 +216,48 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}
           NPM_CONFIG_PROVENANCE: true
 
+      - name: Check if oh-my-openagent already published
+        id: check-openagent
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://registry.npmjs.org/oh-my-openagent/${VERSION}")
+          if [ "$STATUS" = "200" ]; then
+            echo "skip=true" >> $GITHUB_OUTPUT
+            echo "✓ oh-my-openagent@${VERSION} already published"
+          else
+            echo "skip=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Publish oh-my-openagent
+        if: steps.check-openagent.outputs.skip != 'true'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          
+          # Update package name, version, and optionalDependencies for oh-my-openagent
+          jq --arg v "$VERSION" '
+            .name = "oh-my-openagent" |
+            .version = $v |
+            .optionalDependencies = (
+              .optionalDependencies | to_entries |
+              map(.key = (.key | sub("^oh-my-opencode-"; "oh-my-openagent-")) | .value = $v) |
+              from_entries
+            )
+          ' package.json > tmp.json && mv tmp.json package.json
+          
+          TAG_ARG=""
+          if [ -n "${{ steps.version.outputs.dist_tag }}" ]; then
+            TAG_ARG="--tag ${{ steps.version.outputs.dist_tag }}"
+          fi
+          npm publish --access public --provenance $TAG_ARG || echo "::warning::oh-my-openagent publish failed"
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}
+          NPM_CONFIG_PROVENANCE: true
+
+      - name: Restore package.json
+        if: steps.check-openagent.outputs.skip != 'true'
+        run: |
+          git checkout -- package.json
+
   trigger-platform:
     runs-on: ubuntu-latest
     needs: publish-main

.opencode/skills/github-triage/SKILL.md

@@ -136,7 +136,36 @@ fi
 
 ---
 
-## Phase 3: Spawn Subagents
+## Phase 3: Spawn Subagents (Individual Tool Calls)
+
+**CRITICAL: Create tasks ONE BY ONE using individual `task_create` tool calls. NEVER batch or script.**
+
+For each item, execute these steps sequentially:
+
+### Step 3.1: Create Task Record
+```typescript
+task_create(
+  subject="Triage: #{number} {title}",
+  description="GitHub {issue|PR} triage analysis - {type}",
+  metadata={"type": "{ISSUE_QUESTION|ISSUE_BUG|ISSUE_FEATURE|ISSUE_OTHER|PR_BUGFIX|PR_OTHER}", "number": {number}}
+)
+```
+
+### Step 3.2: Spawn Analysis Subagent (Background)
+```typescript
+task(
+  category="quick",
+  run_in_background=true,
+  load_skills=[],
+  prompt=SUBAGENT_PROMPT
+)
+```
+
+**ABSOLUTE RULES for Subagents:**
+- **ONLY ANALYZE** - Never take action on GitHub (no comments, merges, closes)
+- **READ-ONLY** - Use tools only for reading code/GitHub data
+- **WRITE REPORT ONLY** - Output goes to `{REPORT_DIR}/{issue|pr}-{number}.md` via Write tool
+- **EVIDENCE REQUIRED** - Every claim must have GitHub permalink as proof
 
 ```
 For each item:
@@ -170,6 +199,7 @@ ABSOLUTE RULES (violating ANY = critical failure):
 - Your ONLY writable output: {REPORT_DIR}/{issue|pr}-{number}.md via the Write tool
 ```
 
+
 ---
 
 ### ISSUE_QUESTION

assets/oh-my-opencode.schema.json

@@ -3708,20 +3708,18 @@
         "circuitBreaker": {
           "type": "object",
           "properties": {
+            "enabled": {
+              "type": "boolean"
+            },
             "maxToolCalls": {
               "type": "integer",
               "minimum": 10,
               "maximum": 9007199254740991
             },
-            "windowSize": {
+            "consecutiveThreshold": {
               "type": "integer",
               "minimum": 5,
               "maximum": 9007199254740991
-            },
-            "repetitionThresholdPercent": {
-              "type": "number",
-              "exclusiveMinimum": 0,
-              "maximum": 100
             }
           },
           "additionalProperties": false

signatures/cla.json

@@ -2223,6 +2223,22 @@
       "created_at": "2026-03-17T08:27:45Z",
       "repoId": 1108837393,
       "pullRequestNo": 2640
+    },
+    {
+      "name": "tad-hq",
+      "id": 213478119,
+      "comment_id": 4077697128,
+      "created_at": "2026-03-17T20:07:09Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 2655
+    },
+    {
+      "name": "ogormans-deptstack",
+      "id": 208788555,
+      "comment_id": 4077893096,
+      "created_at": "2026-03-17T20:42:42Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 2656
     }
   ]
 }

src/agents/builtin-agents/resolve-file-uri.test.ts

@@ -1,20 +1,32 @@
-import { afterAll, beforeAll, describe, expect, test } from "bun:test"
+import { afterAll, beforeAll, describe, expect, mock, test } from "bun:test"
 import { mkdirSync, rmSync, writeFileSync } from "node:fs"
-import { homedir, tmpdir } from "node:os"
+import * as os from "node:os"
+import { tmpdir } from "node:os"
 import { join } from "node:path"
-import { resolvePromptAppend } from "./resolve-file-uri"
+
+const originalHomedir = os.homedir.bind(os)
+let mockedHomeDir = ""
+let moduleImportCounter = 0
+let resolvePromptAppend: typeof import("./resolve-file-uri").resolvePromptAppend
+
+mock.module("node:os", () => ({
+  ...os,
+  homedir: () => mockedHomeDir || originalHomedir(),
+}))
 
 describe("resolvePromptAppend", () => {
   const fixtureRoot = join(tmpdir(), `resolve-file-uri-${Date.now()}`)
   const configDir = join(fixtureRoot, "config")
-  const homeFixtureDir = join(homedir(), `.resolve-file-uri-home-${Date.now()}`)
+  const homeFixtureRoot = join(fixtureRoot, "home")
+  const homeFixtureDir = join(homeFixtureRoot, "fixture-home")
 
   const absoluteFilePath = join(fixtureRoot, "absolute.txt")
   const relativeFilePath = join(configDir, "relative.txt")
   const spacedFilePath = join(fixtureRoot, "with space.txt")
   const homeFilePath = join(homeFixtureDir, "home.txt")
 
-  beforeAll(() => {
+  beforeAll(async () => {
+    mockedHomeDir = homeFixtureRoot
     mkdirSync(fixtureRoot, { recursive: true })
     mkdirSync(configDir, { recursive: true })
     mkdirSync(homeFixtureDir, { recursive: true })
@@ -23,11 +35,14 @@ describe("resolvePromptAppend", () => {
     writeFileSync(relativeFilePath, "relative-content", "utf8")
     writeFileSync(spacedFilePath, "encoded-content", "utf8")
     writeFileSync(homeFilePath, "home-content", "utf8")
+
+    moduleImportCounter += 1
+    ;({ resolvePromptAppend } = await import(`./resolve-file-uri?test=${moduleImportCounter}`))
   })
 
   afterAll(() => {
     rmSync(fixtureRoot, { recursive: true, force: true })
-    rmSync(homeFixtureDir, { recursive: true, force: true })
+    mock.restore()
   })
 
   test("returns non-file URI strings unchanged", () => {
@@ -65,7 +80,7 @@ describe("resolvePromptAppend", () => {
 
   test("resolves home directory URI path", () => {
     //#given
-    const input = `file://~/${homeFixtureDir.split("/").pop()}/home.txt`
+    const input = "file://~/fixture-home/home.txt"
 
     //#when
     const resolved = resolvePromptAppend(input)

src/cli/run/output-renderer.ts

@@ -45,26 +45,26 @@ export function writePaddedText(
     return { output: text, atLineStart: text.endsWith("\n") }
   }
 
-  let output = ""
+  const parts: string[] = []
   let lineStart = atLineStart
 
   for (let i = 0; i < text.length; i++) {
     const ch = text[i]
     if (lineStart) {
-      output += "  "
+      parts.push("  ")
       lineStart = false
     }
 
     if (ch === "\n") {
-      output += "  \n"
+      parts.push("  \n")
       lineStart = true
       continue
     }
 
-    output += ch
+    parts.push(ch)
   }
 
-  return { output, atLineStart: lineStart }
+  return { output: parts.join(""), atLineStart: lineStart }
 }
 
 function colorizeWithProfileColor(text: string, hexColor?: string): string {

src/config/schema/background-task-circuit-breaker.test.ts

@@ -8,27 +8,24 @@ describe("BackgroundTaskConfigSchema.circuitBreaker", () => {
       const result = BackgroundTaskConfigSchema.parse({
         circuitBreaker: {
           maxToolCalls: 150,
-          windowSize: 10,
-          repetitionThresholdPercent: 70,
+          consecutiveThreshold: 10,
         },
       })
-
       expect(result.circuitBreaker).toEqual({
         maxToolCalls: 150,
-        windowSize: 10,
-        repetitionThresholdPercent: 70,
+        consecutiveThreshold: 10,
       })
     })
   })
 
-  describe("#given windowSize below minimum", () => {
+  describe("#given consecutiveThreshold below minimum", () => {
     test("#when parsed #then throws ZodError", () => {
       let thrownError: unknown
 
       try {
         BackgroundTaskConfigSchema.parse({
           circuitBreaker: {
-            windowSize: 4,
+            consecutiveThreshold: 4,
           },
         })
       } catch (error) {
@@ -39,14 +36,14 @@ describe("BackgroundTaskConfigSchema.circuitBreaker", () => {
     })
   })
 
-  describe("#given repetitionThresholdPercent is zero", () => {
+  describe("#given consecutiveThreshold is zero", () => {
     test("#when parsed #then throws ZodError", () => {
       let thrownError: unknown
 
       try {
         BackgroundTaskConfigSchema.parse({
           circuitBreaker: {
-            repetitionThresholdPercent: 0,
+            consecutiveThreshold: 0,
           },
         })
       } catch (error) {

src/config/schema/background-task.ts

@@ -1,9 +1,9 @@
 import { z } from "zod"
 
 const CircuitBreakerConfigSchema = z.object({
+  enabled: z.boolean().optional(),
   maxToolCalls: z.number().int().min(10).optional(),
-  windowSize: z.number().int().min(5).optional(),
-  repetitionThresholdPercent: z.number().gt(0).max(100).optional(),
+  consecutiveThreshold: z.number().int().min(5).optional(),
 })
 
 export const BackgroundTaskConfigSchema = z.object({

src/config/schema/hooks.ts

@@ -51,6 +51,7 @@ export const HookNameSchema = z.enum([
   "anthropic-effort",
   "hashline-read-enhancer",
   "read-image-resizer",
+  "todo-description-override",
 ])
 
 export type HookName = z.infer<typeof HookNameSchema>

src/features/background-agent/constants.ts

@@ -7,8 +7,8 @@ export const MIN_STABILITY_TIME_MS = 10 * 1000
 export const DEFAULT_STALE_TIMEOUT_MS = 1_200_000
 export const DEFAULT_MESSAGE_STALENESS_TIMEOUT_MS = 1_800_000
 export const DEFAULT_MAX_TOOL_CALLS = 200
-export const DEFAULT_CIRCUIT_BREAKER_WINDOW_SIZE = 20
-export const DEFAULT_CIRCUIT_BREAKER_REPETITION_THRESHOLD_PERCENT = 80
+export const DEFAULT_CIRCUIT_BREAKER_CONSECUTIVE_THRESHOLD = 20
+export const DEFAULT_CIRCUIT_BREAKER_ENABLED = true
 export const MIN_RUNTIME_BEFORE_STALE_MS = 30_000
 export const MIN_IDLE_TIME_MS = 5000
 export const POLLING_INTERVAL_MS = 3000

src/features/background-agent/loop-detector.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import {
+  createToolCallSignature,
   detectRepetitiveToolUse,
   recordToolCall,
   resolveCircuitBreakerSettings,
@@ -17,6 +18,17 @@ function buildWindow(
   )
 }
 
+function buildWindowWithInputs(
+  calls: Array<{ tool: string; input?: Record<string, unknown> }>,
+  override?: Parameters<typeof resolveCircuitBreakerSettings>[0]
+) {
+  const settings = resolveCircuitBreakerSettings(override)
+  return calls.reduce(
+    (window, { tool, input }) => recordToolCall(window, tool, settings, input),
+    undefined as ReturnType<typeof recordToolCall> | undefined
+  )
+}
+
 describe("loop-detector", () => {
   describe("resolveCircuitBreakerSettings", () => {
     describe("#given nested circuit breaker config", () => {
@@ -25,18 +37,91 @@ describe("loop-detector", () => {
           maxToolCalls: 200,
           circuitBreaker: {
             maxToolCalls: 120,
-            windowSize: 10,
-            repetitionThresholdPercent: 70,
+            consecutiveThreshold: 7,
           },
         })
 
         expect(result).toEqual({
+          enabled: true,
           maxToolCalls: 120,
-          windowSize: 10,
-          repetitionThresholdPercent: 70,
+          consecutiveThreshold: 7,
         })
       })
     })
+
+    describe("#given no enabled config", () => {
+      test("#when resolved #then enabled defaults to true", () => {
+        const result = resolveCircuitBreakerSettings({
+          circuitBreaker: {
+            maxToolCalls: 100,
+            consecutiveThreshold: 5,
+          },
+        })
+
+        expect(result.enabled).toBe(true)
+      })
+    })
+
+    describe("#given enabled is false in config", () => {
+      test("#when resolved #then enabled is false", () => {
+        const result = resolveCircuitBreakerSettings({
+          circuitBreaker: {
+            enabled: false,
+            maxToolCalls: 100,
+            consecutiveThreshold: 5,
+          },
+        })
+
+        expect(result.enabled).toBe(false)
+      })
+    })
+
+    describe("#given enabled is true in config", () => {
+      test("#when resolved #then enabled is true", () => {
+        const result = resolveCircuitBreakerSettings({
+          circuitBreaker: {
+            enabled: true,
+            maxToolCalls: 100,
+            consecutiveThreshold: 5,
+          },
+        })
+
+        expect(result.enabled).toBe(true)
+      })
+    })
+  })
+
+  describe("createToolCallSignature", () => {
+    test("#given tool with input #when signature created #then includes tool and sorted input", () => {
+      const result = createToolCallSignature("read", { filePath: "/a.ts" })
+
+      expect(result).toBe('read::{"filePath":"/a.ts"}')
+    })
+
+    test("#given tool with undefined input #when signature created #then returns bare tool name", () => {
+      const result = createToolCallSignature("read", undefined)
+
+      expect(result).toBe("read")
+    })
+
+    test("#given tool with null input #when signature created #then returns bare tool name", () => {
+      const result = createToolCallSignature("read", null)
+
+      expect(result).toBe("read")
+    })
+
+    test("#given tool with empty object input #when signature created #then returns bare tool name", () => {
+      const result = createToolCallSignature("read", {})
+
+      expect(result).toBe("read")
+    })
+
+    test("#given same input different key order #when signatures compared #then they are equal", () => {
+      const first = createToolCallSignature("read", { filePath: "/a.ts", offset: 0 })
+      const second = createToolCallSignature("read", { offset: 0, filePath: "/a.ts" })
+
+      expect(first).toBe(second)
+    })
   })
 
   describe("detectRepetitiveToolUse", () => {
@@ -61,55 +146,93 @@ describe("loop-detector", () => {
       })
     })
 
-    describe("#given the same tool dominates the recent window", () => {
+    describe("#given the same tool is called consecutively", () => {
       test("#when evaluated #then it triggers", () => {
-        const window = buildWindow([
-          "read",
-          "read",
-          "read",
-          "edit",
-          "read",
-          "read",
-          "read",
-          "read",
-          "grep",
-          "read",
-        ], {
-          circuitBreaker: {
-            windowSize: 10,
-            repetitionThresholdPercent: 80,
-          },
-        })
+        const window = buildWindow(Array.from({ length: 20 }, () => "read"))
 
         const result = detectRepetitiveToolUse(window)
 
         expect(result).toEqual({
           triggered: true,
           toolName: "read",
-          repeatedCount: 8,
-          sampleSize: 10,
-          thresholdPercent: 80,
+          repeatedCount: 20,
         })
       })
     })
 
-    describe("#given the window is not full yet", () => {
-      test("#when the current sample crosses the threshold #then it still triggers", () => {
-        const window = buildWindow(["read", "read", "edit", "read", "read", "read", "read", "read"], {
-          circuitBreaker: {
-            windowSize: 10,
-            repetitionThresholdPercent: 80,
-          },
-        })
+    describe("#given consecutive calls are interrupted by different tool", () => {
+      test("#when evaluated #then it does not trigger", () => {
+        const window = buildWindow([
+          ...Array.from({ length: 19 }, () => "read"),
+          "edit",
+          "read",
+        ])
 
         const result = detectRepetitiveToolUse(window)
 
+        expect(result).toEqual({ triggered: false })
+      })
+    })
+
+    describe("#given threshold boundary", () => {
+      test("#when below threshold #then it does not trigger", () => {
+        const belowThresholdWindow = buildWindow(Array.from({ length: 19 }, () => "read"))
+
+        const result = detectRepetitiveToolUse(belowThresholdWindow)
+
+        expect(result).toEqual({ triggered: false })
+      })
+
+      test("#when equal to threshold #then it triggers", () => {
+        const atThresholdWindow = buildWindow(Array.from({ length: 20 }, () => "read"))
+
+        const result = detectRepetitiveToolUse(atThresholdWindow)
+
         expect(result).toEqual({
           triggered: true,
           toolName: "read",
-          repeatedCount: 7,
-          sampleSize: 8,
-          thresholdPercent: 80,
+          repeatedCount: 20,
+        })
+      })
+    })
+
+    describe("#given same tool with different file inputs", () => {
+      test("#when evaluated #then it does not trigger", () => {
+        const calls = Array.from({ length: 20 }, (_, i) => ({
+          tool: "read",
+          input: { filePath: `/src/file-${i}.ts` },
+        }))
+        const window = buildWindowWithInputs(calls)
+        const result = detectRepetitiveToolUse(window)
+        expect(result.triggered).toBe(false)
+      })
+    })
+
+    describe("#given same tool with identical file inputs", () => {
+      test("#when evaluated #then it triggers with bare tool name", () => {
+        const calls = Array.from({ length: 20 }, () => ({
+          tool: "read",
+          input: { filePath: "/src/same.ts" },
+        }))
+        const window = buildWindowWithInputs(calls)
+        const result = detectRepetitiveToolUse(window)
+        expect(result).toEqual({
+          triggered: true,
+          toolName: "read",
+          repeatedCount: 20,
+        })
+      })
+    })
+
+    describe("#given tool calls with no input", () => {
+      test("#when evaluated #then it triggers", () => {
+        const calls = Array.from({ length: 20 }, () => ({ tool: "read" }))
+        const window = buildWindowWithInputs(calls)
+        const result = detectRepetitiveToolUse(window)
+        expect(result).toEqual({
+          triggered: true,
+          toolName: "read",
+          repeatedCount: 20,
         })
       })
     })

src/features/background-agent/loop-detector.ts

@@ -1,96 +1,94 @@
 import type { BackgroundTaskConfig } from "../../config/schema"
 import {
-  DEFAULT_CIRCUIT_BREAKER_REPETITION_THRESHOLD_PERCENT,
-  DEFAULT_CIRCUIT_BREAKER_WINDOW_SIZE,
+  DEFAULT_CIRCUIT_BREAKER_ENABLED,
+  DEFAULT_CIRCUIT_BREAKER_CONSECUTIVE_THRESHOLD,
   DEFAULT_MAX_TOOL_CALLS,
 } from "./constants"
 import type { ToolCallWindow } from "./types"
 
 export interface CircuitBreakerSettings {
+  enabled: boolean
   maxToolCalls: number
-  windowSize: number
-  repetitionThresholdPercent: number
+  consecutiveThreshold: number
 }
 
 export interface ToolLoopDetectionResult {
   triggered: boolean
   toolName?: string
   repeatedCount?: number
-  sampleSize?: number
-  thresholdPercent?: number
 }
 
 export function resolveCircuitBreakerSettings(
   config?: BackgroundTaskConfig
 ): CircuitBreakerSettings {
   return {
+    enabled: config?.circuitBreaker?.enabled ?? DEFAULT_CIRCUIT_BREAKER_ENABLED,
     maxToolCalls:
       config?.circuitBreaker?.maxToolCalls ?? config?.maxToolCalls ?? DEFAULT_MAX_TOOL_CALLS,
-    windowSize: config?.circuitBreaker?.windowSize ?? DEFAULT_CIRCUIT_BREAKER_WINDOW_SIZE,
-    repetitionThresholdPercent:
-      config?.circuitBreaker?.repetitionThresholdPercent ??
-      DEFAULT_CIRCUIT_BREAKER_REPETITION_THRESHOLD_PERCENT,
+    consecutiveThreshold:
+      config?.circuitBreaker?.consecutiveThreshold ?? DEFAULT_CIRCUIT_BREAKER_CONSECUTIVE_THRESHOLD,
   }
 }
 
 export function recordToolCall(
   window: ToolCallWindow | undefined,
   toolName: string,
-  settings: CircuitBreakerSettings
+  settings: CircuitBreakerSettings,
+  toolInput?: Record<string, unknown> | null
 ): ToolCallWindow {
-  const previous = window?.toolNames ?? []
-  const toolNames = [...previous, toolName].slice(-settings.windowSize)
+  const signature = createToolCallSignature(toolName, toolInput)
+
+  if (window && window.lastSignature === signature) {
+    return {
+      lastSignature: signature,
+      consecutiveCount: window.consecutiveCount + 1,
+      threshold: settings.consecutiveThreshold,
+    }
+  }
 
   return {
-    toolNames,
-    windowSize: settings.windowSize,
-    thresholdPercent: settings.repetitionThresholdPercent,
+    lastSignature: signature,
+    consecutiveCount: 1,
+    threshold: settings.consecutiveThreshold,
   }
 }
 
+function sortObject(obj: unknown): unknown {
+  if (obj === null || obj === undefined) return obj
+  if (typeof obj !== "object") return obj
+  if (Array.isArray(obj)) return obj.map(sortObject)
+
+  const sorted: Record<string, unknown> = {}
+  const keys = Object.keys(obj as Record<string, unknown>).sort()
+  for (const key of keys) {
+    sorted[key] = sortObject((obj as Record<string, unknown>)[key])
+  }
+  return sorted
+}
+
+export function createToolCallSignature(
+  toolName: string,
+  toolInput?: Record<string, unknown> | null
+): string {
+  if (toolInput === undefined || toolInput === null) {
+    return toolName
+  }
+  if (Object.keys(toolInput).length === 0) {
+    return toolName
+  }
+  return `${toolName}::${JSON.stringify(sortObject(toolInput))}`
+}
+
 export function detectRepetitiveToolUse(
   window: ToolCallWindow | undefined
 ): ToolLoopDetectionResult {
-  if (!window || window.toolNames.length === 0) {
-    return { triggered: false }
-  }
-
-  const counts = new Map<string, number>()
-  for (const toolName of window.toolNames) {
-    counts.set(toolName, (counts.get(toolName) ?? 0) + 1)
-  }
-
-  let repeatedTool: string | undefined
-  let repeatedCount = 0
-
-  for (const [toolName, count] of counts.entries()) {
-    if (count > repeatedCount) {
-      repeatedTool = toolName
-      repeatedCount = count
-    }
-  }
-
-  const sampleSize = window.toolNames.length
-  const minimumSampleSize = Math.min(
-    window.windowSize,
-    Math.ceil((window.windowSize * window.thresholdPercent) / 100)
-  )
-
-  if (sampleSize < minimumSampleSize) {
-    return { triggered: false }
-  }
-
-  const thresholdCount = Math.ceil((sampleSize * window.thresholdPercent) / 100)
-
-  if (!repeatedTool || repeatedCount < thresholdCount) {
+  if (!window || window.consecutiveCount < window.threshold) {
     return { triggered: false }
   }
 
   return {
     triggered: true,
-    toolName: repeatedTool,
-    repeatedCount,
-    sampleSize,
-    thresholdPercent: window.thresholdPercent,
+    toolName: window.lastSignature.split("::")[0],
+    repeatedCount: window.consecutiveCount,
   }
 }

src/features/background-agent/manager-circuit-breaker.test.ts

@@ -38,12 +38,11 @@ async function flushAsyncWork() {
 }
 
 describe("BackgroundManager circuit breaker", () => {
-  describe("#given the same tool dominates the recent window", () => {
-    test("#when tool events arrive #then the task is cancelled early", async () => {
+  describe("#given the same tool is called consecutively", () => {
+    test("#when consecutive tool events arrive #then the task is cancelled", async () => {
       const manager = createManager({
         circuitBreaker: {
-          windowSize: 20,
-          repetitionThresholdPercent: 80,
+          consecutiveThreshold: 20,
         },
       })
       const task: BackgroundTask = {
@@ -63,38 +62,17 @@ describe("BackgroundManager circuit breaker", () => {
       }
       getTaskMap(manager).set(task.id, task)
 
-      for (const toolName of [
-        "read",
-        "read",
-        "grep",
-        "read",
-        "edit",
-        "read",
-        "read",
-        "bash",
-        "read",
-        "read",
-        "read",
-        "glob",
-        "read",
-        "read",
-        "read",
-        "read",
-        "read",
-        "read",
-        "read",
-        "read",
-      ]) {
+      for (let i = 0; i < 20; i++) {
         manager.handleEvent({
           type: "message.part.updated",
-          properties: { sessionID: task.sessionID, type: "tool", tool: toolName },
+          properties: { sessionID: task.sessionID, type: "tool", tool: "read" },
         })
       }
 
       await flushAsyncWork()
 
       expect(task.status).toBe("cancelled")
-      expect(task.error).toContain("repeatedly called read 16/20 times")
+      expect(task.error).toContain("read 20 consecutive times")
     })
   })
 
@@ -102,8 +80,7 @@ describe("BackgroundManager circuit breaker", () => {
     test("#when the window fills #then the task keeps running", async () => {
       const manager = createManager({
         circuitBreaker: {
-          windowSize: 10,
-          repetitionThresholdPercent: 80,
+          consecutiveThreshold: 10,
         },
       })
       const task: BackgroundTask = {
@@ -153,8 +130,7 @@ describe("BackgroundManager circuit breaker", () => {
       const manager = createManager({
         maxToolCalls: 3,
         circuitBreaker: {
-          windowSize: 10,
-          repetitionThresholdPercent: 95,
+          consecutiveThreshold: 95,
         },
       })
       const task: BackgroundTask = {
@@ -193,8 +169,7 @@ describe("BackgroundManager circuit breaker", () => {
       const manager = createManager({
         maxToolCalls: 2,
         circuitBreaker: {
-          windowSize: 5,
-          repetitionThresholdPercent: 80,
+          consecutiveThreshold: 5,
         },
       })
       const task: BackgroundTask = {
@@ -233,7 +208,180 @@ describe("BackgroundManager circuit breaker", () => {
 
       expect(task.status).toBe("running")
       expect(task.progress?.toolCalls).toBe(1)
-      expect(task.progress?.countedToolPartIDs).toEqual(["tool-1"])
+      expect(task.progress?.countedToolPartIDs).toEqual(new Set(["tool-1"]))
+    })
+  })
+
+  describe("#given same tool reading different files", () => {
+    test("#when tool events arrive with state.input #then task keeps running", async () => {
+      const manager = createManager({
+        circuitBreaker: {
+          consecutiveThreshold: 20,
+        },
+      })
+      const task: BackgroundTask = {
+        id: "task-diff-files-1",
+        sessionID: "session-diff-files-1",
+        parentSessionID: "parent-1",
+        parentMessageID: "msg-1",
+        description: "Reading different files",
+        prompt: "work",
+        agent: "explore",
+        status: "running",
+        startedAt: new Date(Date.now() - 60_000),
+        progress: {
+          toolCalls: 0,
+          lastUpdate: new Date(Date.now() - 60_000),
+        },
+      }
+      getTaskMap(manager).set(task.id, task)
+
+      for (let i = 0; i < 20; i++) {
+        manager.handleEvent({
+          type: "message.part.updated",
+          properties: {
+            part: {
+              sessionID: task.sessionID,
+              type: "tool",
+              tool: "read",
+              state: { status: "running", input: { filePath: `/src/file-${i}.ts` } },
+            },
+          },
+        })
+      }
+
+      await flushAsyncWork()
+
+      expect(task.status).toBe("running")
+      expect(task.progress?.toolCalls).toBe(20)
+    })
+  })
+
+  describe("#given same tool reading same file repeatedly", () => {
+    test("#when tool events arrive with state.input #then task is cancelled with bare tool name in error", async () => {
+      const manager = createManager({
+        circuitBreaker: {
+          consecutiveThreshold: 20,
+        },
+      })
+      const task: BackgroundTask = {
+        id: "task-same-file-1",
+        sessionID: "session-same-file-1",
+        parentSessionID: "parent-1",
+        parentMessageID: "msg-1",
+        description: "Reading same file repeatedly",
+        prompt: "work",
+        agent: "explore",
+        status: "running",
+        startedAt: new Date(Date.now() - 60_000),
+        progress: {
+          toolCalls: 0,
+          lastUpdate: new Date(Date.now() - 60_000),
+        },
+      }
+      getTaskMap(manager).set(task.id, task)
+
+      for (let i = 0; i < 20; i++) {
+        manager.handleEvent({
+          type: "message.part.updated",
+          properties: {
+            part: {
+              sessionID: task.sessionID,
+              type: "tool",
+              tool: "read",
+              state: { status: "running", input: { filePath: "/src/same.ts" } },
+            },
+          },
+        })
+      }
+
+      await flushAsyncWork()
+
+      expect(task.status).toBe("cancelled")
+      expect(task.error).toContain("read 20 consecutive times")
+      expect(task.error).not.toContain("::")
+    })
+  })
+
+  describe("#given circuit breaker enabled is false", () => {
+    test("#when repetitive tools arrive #then task keeps running", async () => {
+      const manager = createManager({
+        circuitBreaker: {
+          enabled: false,
+          consecutiveThreshold: 20,
+        },
+      })
+      const task: BackgroundTask = {
+        id: "task-disabled-1",
+        sessionID: "session-disabled-1",
+        parentSessionID: "parent-1",
+        parentMessageID: "msg-1",
+        description: "Disabled circuit breaker task",
+        prompt: "work",
+        agent: "explore",
+        status: "running",
+        startedAt: new Date(Date.now() - 60_000),
+        progress: {
+          toolCalls: 0,
+          lastUpdate: new Date(Date.now() - 60_000),
+        },
+      }
+      getTaskMap(manager).set(task.id, task)
+
+      for (let i = 0; i < 20; i++) {
+        manager.handleEvent({
+          type: "message.part.updated",
+          properties: {
+            sessionID: task.sessionID,
+            type: "tool",
+            tool: "read",
+          },
+        })
+      }
+
+      await flushAsyncWork()
+
+      expect(task.status).toBe("running")
+    })
+  })
+
+  describe("#given circuit breaker enabled is false but absolute cap is low", () => {
+    test("#when max tool calls exceeded #then task is still cancelled by absolute cap", async () => {
+      const manager = createManager({
+        maxToolCalls: 3,
+        circuitBreaker: {
+          enabled: false,
+          consecutiveThreshold: 95,
+        },
+      })
+      const task: BackgroundTask = {
+        id: "task-cap-disabled-1",
+        sessionID: "session-cap-disabled-1",
+        parentSessionID: "parent-1",
+        parentMessageID: "msg-1",
+        description: "Backstop task with disabled circuit breaker",
+        prompt: "work",
+        agent: "explore",
+        status: "running",
+        startedAt: new Date(Date.now() - 60_000),
+        progress: {
+          toolCalls: 0,
+          lastUpdate: new Date(Date.now() - 60_000),
+        },
+      }
+      getTaskMap(manager).set(task.id, task)
+
+      for (const toolName of ["read", "grep", "edit"]) {
+        manager.handleEvent({
+          type: "message.part.updated",
+          properties: { sessionID: task.sessionID, type: "tool", tool: toolName },
+        })
+      }
+
+      await flushAsyncWork()
+
+      expect(task.status).toBe("cancelled")
+      expect(task.error).toContain("maximum tool call limit (3)")
     })
   })
 })

src/features/background-agent/manager.polling.test.ts

@@ -153,4 +153,42 @@ describe("BackgroundManager pollRunningTasks", () => {
       expect(task.status).toBe("running")
     })
   })
+
+  describe("#given a running task whose session has terminal non-idle status", () => {
+    test('#when session status is "interrupted" #then completes the task', async () => {
+      //#given
+      const manager = createManagerWithClient({
+        status: async () => ({ data: { "ses-interrupted": { type: "interrupted" } } }),
+      })
+      const task = createRunningTask("ses-interrupted")
+      injectTask(manager, task)
+
+      //#when
+      const poll = (manager as unknown as { pollRunningTasks: () => Promise<void> }).pollRunningTasks
+      await poll.call(manager)
+      manager.shutdown()
+
+      //#then
+      expect(task.status).toBe("completed")
+      expect(task.completedAt).toBeDefined()
+    })
+
+    test('#when session status is an unknown type #then completes the task', async () => {
+      //#given
+      const manager = createManagerWithClient({
+        status: async () => ({ data: { "ses-unknown": { type: "some-weird-status" } } }),
+      })
+      const task = createRunningTask("ses-unknown")
+      injectTask(manager, task)
+
+      //#when
+      const poll = (manager as unknown as { pollRunningTasks: () => Promise<void> }).pollRunningTasks
+      await poll.call(manager)
+      manager.shutdown()
+
+      //#then
+      expect(task.status).toBe("completed")
+      expect(task.completedAt).toBeDefined()
+    })
+  })
 })

src/features/background-agent/manager.ts

@@ -52,10 +52,12 @@ import { join } from "node:path"
 import { pruneStaleTasksAndNotifications } from "./task-poller"
 import { checkAndInterruptStaleTasks } from "./task-poller"
 import { removeTaskToastTracking } from "./remove-task-toast-tracking"
+import { isActiveSessionStatus, isTerminalSessionStatus } from "./session-status-classifier"
 import {
   detectRepetitiveToolUse,
   recordToolCall,
   resolveCircuitBreakerSettings,
+  type CircuitBreakerSettings,
 } from "./loop-detector"
 import {
   createSubagentDepthLimitError,
@@ -74,7 +76,7 @@ interface MessagePartInfo {
   sessionID?: string
   type?: string
   tool?: string
-  state?: { status?: string }
+  state?: { status?: string; input?: Record<string, unknown> }
 }
 
 interface EventProperties {
@@ -151,6 +153,7 @@ export class BackgroundManager {
   private preStartDescendantReservations: Set<string>
   private enableParentSessionNotifications: boolean
   readonly taskHistory = new TaskHistory()
+  private cachedCircuitBreakerSettings?: CircuitBreakerSettings
 
   constructor(
     ctx: PluginInput,
@@ -900,47 +903,49 @@ export class BackgroundManager {
       task.progress.lastUpdate = new Date()
 
       if (partInfo?.type === "tool" || partInfo?.tool) {
-        const countedToolPartIDs = task.progress.countedToolPartIDs ?? []
+        const countedToolPartIDs = task.progress.countedToolPartIDs ?? new Set<string>()
         const shouldCountToolCall =
           !partInfo.id ||
           partInfo.state?.status !== "running" ||
-          !countedToolPartIDs.includes(partInfo.id)
+          !countedToolPartIDs.has(partInfo.id)
 
         if (!shouldCountToolCall) {
           return
         }
 
         if (partInfo.id && partInfo.state?.status === "running") {
-          task.progress.countedToolPartIDs = [...countedToolPartIDs, partInfo.id]
+          countedToolPartIDs.add(partInfo.id)
+          task.progress.countedToolPartIDs = countedToolPartIDs
         }
 
         task.progress.toolCalls += 1
         task.progress.lastTool = partInfo.tool
-        const circuitBreaker = resolveCircuitBreakerSettings(this.config)
+        const circuitBreaker = this.cachedCircuitBreakerSettings ?? (this.cachedCircuitBreakerSettings = resolveCircuitBreakerSettings(this.config))
         if (partInfo.tool) {
-          task.progress.toolCallWindow = recordToolCall(
-            task.progress.toolCallWindow,
-            partInfo.tool,
-            circuitBreaker
-          )
+         task.progress.toolCallWindow = recordToolCall(
+             task.progress.toolCallWindow,
+             partInfo.tool,
+             circuitBreaker,
+             partInfo.state?.input
+           )
 
-          const loopDetection = detectRepetitiveToolUse(task.progress.toolCallWindow)
-          if (loopDetection.triggered) {
-            log("[background-agent] Circuit breaker: repetitive tool usage detected", {
-              taskId: task.id,
-              agent: task.agent,
-              sessionID,
-              toolName: loopDetection.toolName,
-              repeatedCount: loopDetection.repeatedCount,
-              sampleSize: loopDetection.sampleSize,
-              thresholdPercent: loopDetection.thresholdPercent,
-            })
-            void this.cancelTask(task.id, {
-              source: "circuit-breaker",
-              reason: `Subagent repeatedly called ${loopDetection.toolName} ${loopDetection.repeatedCount}/${loopDetection.sampleSize} times in the recent tool-call window (${loopDetection.thresholdPercent}% threshold). This usually indicates an infinite loop. The task was automatically cancelled to prevent excessive token usage.`,
-            })
-            return
-          }
+           if (circuitBreaker.enabled) {
+             const loopDetection = detectRepetitiveToolUse(task.progress.toolCallWindow)
+             if (loopDetection.triggered) {
+               log("[background-agent] Circuit breaker: consecutive tool usage detected", {
+                 taskId: task.id,
+                 agent: task.agent,
+                 sessionID,
+                 toolName: loopDetection.toolName,
+                 repeatedCount: loopDetection.repeatedCount,
+               })
+               void this.cancelTask(task.id, {
+                 source: "circuit-breaker",
+                 reason: `Subagent called ${loopDetection.toolName} ${loopDetection.repeatedCount} consecutive times (threshold: ${circuitBreaker.consecutiveThreshold}). This usually indicates an infinite loop. The task was automatically cancelled to prevent excessive token usage.`,
+               })
+               return
+             }
+           }
         }
 
         const maxToolCalls = circuitBreaker.maxToolCalls
@@ -1779,11 +1784,9 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
           }
         }
 
-        // Match sync-session-poller pattern: only skip completion check when
-        // status EXISTS and is not idle (i.e., session is actively running).
-        // When sessionStatus is undefined, the session has completed and dropped
-        // from the status response — fall through to completion detection.
-        if (sessionStatus && sessionStatus.type !== "idle") {
+        // Only skip completion when session status is actively running.
+        // Unknown or terminal statuses (like "interrupted") fall through to completion.
+        if (sessionStatus && isActiveSessionStatus(sessionStatus.type)) {
           log("[background-agent] Session still running, relying on event-based progress:", {
             taskId: task.id,
             sessionID,
@@ -1793,6 +1796,24 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
           continue
         }
 
+        // Explicit terminal non-idle status (e.g., "interrupted") — complete immediately,
+        // skipping output validation (session will never produce more output).
+        // Unknown statuses fall through to the idle/gone path with output validation.
+        if (sessionStatus && isTerminalSessionStatus(sessionStatus.type)) {
+          await this.tryCompleteTask(task, `polling (terminal session status: ${sessionStatus.type})`)
+          continue
+        }
+
+        // Unknown non-idle status — not active, not terminal, not idle.
+        // Fall through to idle/gone completion path with output validation.
+        if (sessionStatus && sessionStatus.type !== "idle") {
+          log("[background-agent] Unknown session status, treating as potentially idle:", {
+            taskId: task.id,
+            sessionID,
+            sessionStatus: sessionStatus.type,
+          })
+        }
+
         // Session is idle or no longer in status response (completed/disappeared)
         const completionSource = sessionStatus?.type === "idle"
           ? "polling (idle status)"

src/features/background-agent/session-status-classifier.test.ts

@@ -0,0 +1,66 @@
+import { describe, test, expect, mock } from "bun:test"
+import { isActiveSessionStatus, isTerminalSessionStatus } from "./session-status-classifier"
+
+const mockLog = mock()
+mock.module("../../shared", () => ({ log: mockLog }))
+
+describe("isActiveSessionStatus", () => {
+  describe("#given a known active session status", () => {
+    test('#when type is "busy" #then returns true', () => {
+      expect(isActiveSessionStatus("busy")).toBe(true)
+    })
+
+    test('#when type is "retry" #then returns true', () => {
+      expect(isActiveSessionStatus("retry")).toBe(true)
+    })
+
+    test('#when type is "running" #then returns true', () => {
+      expect(isActiveSessionStatus("running")).toBe(true)
+    })
+  })
+
+  describe("#given a known terminal session status", () => {
+    test('#when type is "idle" #then returns false', () => {
+      expect(isActiveSessionStatus("idle")).toBe(false)
+    })
+
+    test('#when type is "interrupted" #then returns false and does not log', () => {
+      mockLog.mockClear()
+      expect(isActiveSessionStatus("interrupted")).toBe(false)
+      expect(mockLog).not.toHaveBeenCalled()
+    })
+  })
+
+  describe("#given an unknown session status", () => {
+    test('#when type is an arbitrary unknown string #then returns false and logs warning', () => {
+      mockLog.mockClear()
+      expect(isActiveSessionStatus("some-unknown-status")).toBe(false)
+      expect(mockLog).toHaveBeenCalledWith(
+        "[background-agent] Unknown session status type encountered:",
+        "some-unknown-status",
+      )
+    })
+
+    test('#when type is empty string #then returns false', () => {
+      expect(isActiveSessionStatus("")).toBe(false)
+    })
+  })
+})
+
+describe("isTerminalSessionStatus", () => {
+  test('#when type is "interrupted" #then returns true', () => {
+    expect(isTerminalSessionStatus("interrupted")).toBe(true)
+  })
+
+  test('#when type is "idle" #then returns false (idle is handled separately)', () => {
+    expect(isTerminalSessionStatus("idle")).toBe(false)
+  })
+
+  test('#when type is "busy" #then returns false', () => {
+    expect(isTerminalSessionStatus("busy")).toBe(false)
+  })
+
+  test('#when type is an unknown string #then returns false', () => {
+    expect(isTerminalSessionStatus("some-unknown")).toBe(false)
+  })
+})

src/features/background-agent/session-status-classifier.ts

@@ -0,0 +1,20 @@
+import { log } from "../../shared"
+
+const ACTIVE_SESSION_STATUSES = new Set(["busy", "retry", "running"])
+const KNOWN_TERMINAL_STATUSES = new Set(["idle", "interrupted"])
+
+export function isActiveSessionStatus(type: string): boolean {
+  if (ACTIVE_SESSION_STATUSES.has(type)) {
+    return true
+  }
+
+  if (!KNOWN_TERMINAL_STATUSES.has(type)) {
+    log("[background-agent] Unknown session status type encountered:", type)
+  }
+
+  return false
+}
+
+export function isTerminalSessionStatus(type: string): boolean {
+  return KNOWN_TERMINAL_STATUSES.has(type) && type !== "idle"
+}

src/features/background-agent/task-poller.test.ts

@@ -417,6 +417,56 @@ describe("checkAndInterruptStaleTasks", () => {
     expect(task.status).toBe("cancelled")
     expect(onTaskInterrupted).toHaveBeenCalledWith(task)
   })
+
+  it('should NOT protect task when session has terminal non-idle status like "interrupted"', async () => {
+    //#given — lastUpdate is 5min old, session is "interrupted" (terminal, not active)
+    const task = createRunningTask({
+      startedAt: new Date(Date.now() - 300_000),
+      progress: {
+        toolCalls: 2,
+        lastUpdate: new Date(Date.now() - 300_000),
+      },
+    })
+
+    //#when — session status is "interrupted" (terminal)
+    await checkAndInterruptStaleTasks({
+      tasks: [task],
+      client: mockClient as never,
+      config: { staleTimeoutMs: 180_000 },
+      concurrencyManager: mockConcurrencyManager as never,
+      notifyParentSession: mockNotify,
+      sessionStatuses: { "ses-1": { type: "interrupted" } },
+    })
+
+    //#then — terminal statuses should not protect from stale timeout
+    expect(task.status).toBe("cancelled")
+    expect(task.error).toContain("Stale timeout")
+  })
+
+  it('should NOT protect task when session has unknown status type', async () => {
+    //#given — lastUpdate is 5min old, session has an unknown status
+    const task = createRunningTask({
+      startedAt: new Date(Date.now() - 300_000),
+      progress: {
+        toolCalls: 2,
+        lastUpdate: new Date(Date.now() - 300_000),
+      },
+    })
+
+    //#when — session has unknown status type
+    await checkAndInterruptStaleTasks({
+      tasks: [task],
+      client: mockClient as never,
+      config: { staleTimeoutMs: 180_000 },
+      concurrencyManager: mockConcurrencyManager as never,
+      notifyParentSession: mockNotify,
+      sessionStatuses: { "ses-1": { type: "some-weird-status" } },
+    })
+
+    //#then — unknown statuses should not protect from stale timeout
+    expect(task.status).toBe("cancelled")
+    expect(task.error).toContain("Stale timeout")
+  })
 })
 
 describe("pruneStaleTasksAndNotifications", () => {

src/features/background-agent/task-poller.ts

@@ -14,6 +14,7 @@ import {
 } from "./constants"
 import { removeTaskToastTracking } from "./remove-task-toast-tracking"
 
+import { isActiveSessionStatus } from "./session-status-classifier"
 const TERMINAL_TASK_STATUSES = new Set<BackgroundTask["status"]>([
   "completed",
   "error",
@@ -120,7 +121,7 @@ export async function checkAndInterruptStaleTasks(args: {
     if (!startedAt || !sessionID) continue
 
     const sessionStatus = sessionStatuses?.[sessionID]?.type
-    const sessionIsRunning = sessionStatus !== undefined && sessionStatus !== "idle"
+    const sessionIsRunning = sessionStatus !== undefined && isActiveSessionStatus(sessionStatus)
     const runtime = now - startedAt.getTime()
 
     if (!task.progress?.lastUpdate) {

src/features/background-agent/types.ts

@@ -10,16 +10,16 @@ export type BackgroundTaskStatus =
   | "interrupt"
 
 export interface ToolCallWindow {
-  toolNames: string[]
-  windowSize: number
-  thresholdPercent: number
+  lastSignature: string
+  consecutiveCount: number
+  threshold: number
 }
 
 export interface TaskProgress {
   toolCalls: number
   lastTool?: string
   toolCallWindow?: ToolCallWindow
-  countedToolPartIDs?: string[]
+  countedToolPartIDs?: Set<string>
   lastUpdate: Date
   lastMessage?: string
   lastMessageAt?: Date

src/features/builtin-commands/templates/start-work.ts

@@ -7,7 +7,7 @@ export const START_WORK_TEMPLATE = `You are starting a Sisyphus work session.
   - \`--worktree <path>\` (optional): absolute path to an existing git worktree to work in
     - If specified and valid: hook pre-sets worktree_path in boulder.json
     - If specified but invalid: you must run \`git worktree add <path> <branch>\` first
-    - If omitted: you MUST choose or create a worktree (see Worktree Setup below)
+    - If omitted: work directly in the current project directory (no worktree)
 
 ## WHAT TO DO
 
@@ -24,7 +24,7 @@ export const START_WORK_TEMPLATE = `You are starting a Sisyphus work session.
      - If ONE plan: auto-select it
      - If MULTIPLE plans: show list with timestamps, ask user to select
 
-4. **Worktree Setup** (when \`worktree_path\` not already set in boulder.json):
+4. **Worktree Setup** (ONLY when \`--worktree\` was explicitly specified and \`worktree_path\` not already set in boulder.json):
    1. \`git worktree list --porcelain\` — see available worktrees
    2. Create: \`git worktree add <absolute-path> <branch-or-HEAD>\`
    3. Update boulder.json to add \`"worktree_path": "<absolute-path>"\`
@@ -86,6 +86,38 @@ Reading plan and beginning execution...
 
 - The session_id is injected by the hook - use it directly
 - Always update boulder.json BEFORE starting work
-- Always set worktree_path in boulder.json before executing any tasks
+- If worktree_path is set in boulder.json, all work happens inside that worktree directory
 - Read the FULL plan file before delegating any tasks
-- Follow atlas delegation protocols (7-section format)`
+- Follow atlas delegation protocols (7-section format)
+
+## TASK BREAKDOWN (MANDATORY)
+
+After reading the plan file, you MUST decompose every plan task into granular, implementation-level sub-steps and register ALL of them as task/todo items BEFORE starting any work.
+
+**How to break down**:
+- Each plan checkbox item (e.g., \`- [ ] Add user authentication\`) must be split into concrete, actionable sub-tasks
+- Sub-tasks should be specific enough that each one touches a clear set of files/functions
+- Include: file to modify, what to change, expected behavior, and how to verify
+- Do NOT leave any task vague — "implement feature X" is NOT acceptable; "add validateToken() to src/auth/middleware.ts that checks JWT expiry and returns 401" IS acceptable
+
+**Example breakdown**:
+Plan task: \`- [ ] Add rate limiting to API\`
+→ Todo items:
+  1. Create \`src/middleware/rate-limiter.ts\` with sliding window algorithm (max 100 req/min per IP)
+  2. Add RateLimiter middleware to \`src/app.ts\` router chain, before auth middleware
+  3. Add rate limit headers (X-RateLimit-Limit, X-RateLimit-Remaining) to response in \`rate-limiter.ts\`
+  4. Add test: verify 429 response after exceeding limit in \`src/middleware/rate-limiter.test.ts\`
+  5. Add test: verify headers are present on normal responses
+
+Register these as task/todo items so progress is tracked and visible throughout the session.
+
+## WORKTREE COMPLETION
+
+When working in a worktree (\`worktree_path\` is set in boulder.json) and ALL plan tasks are complete:
+1. Commit all remaining changes in the worktree
+2. Switch to the main working directory (the original repo, NOT the worktree)
+3. Merge the worktree branch into the current branch: \`git merge <worktree-branch>\`
+4. If merge succeeds, clean up: \`git worktree remove <worktree-path>\`
+5. Remove the boulder.json state
+
+This is the DEFAULT behavior when \`--worktree\` was used. Skip merge only if the user explicitly instructs otherwise (e.g., asks to create a PR instead).`

src/hooks/anthropic-context-window-limit-recovery/parser.ts

@@ -70,7 +70,7 @@ function isTokenLimitError(text: string): boolean {
     return false
   }
   const lower = text.toLowerCase()
-  return TOKEN_LIMIT_KEYWORDS.some((kw) => lower.includes(kw.toLowerCase()))
+  return TOKEN_LIMIT_KEYWORDS.some((kw) => lower.includes(kw))
 }
 
 export function parseAnthropicTokenLimitError(err: unknown): ParsedTokenLimitError | null {

src/hooks/atlas/session-last-agent.ts

@@ -18,9 +18,9 @@ function getLastAgentFromMessageDir(messageDir: string): string | null {
     const files = readdirSync(messageDir)
       .filter((fileName) => fileName.endsWith(".json"))
       .sort()
-      .reverse()
 
-    for (const fileName of files) {
+    for (let i = files.length - 1; i >= 0; i--) {
+      const fileName = files[i]
       try {
         const content = readFileSync(join(messageDir, fileName), "utf-8")
         const parsed = JSON.parse(content) as { agent?: unknown }

src/hooks/auto-slash-command/executor.ts

@@ -44,12 +44,6 @@ export interface ExecutorOptions {
   agent?: string
 }
 
-function filterDiscoveredCommandsByScope(
-  commands: DiscoveredCommandInfo[],
-  scope: DiscoveredCommandInfo["scope"],
-): DiscoveredCommandInfo[] {
-  return commands.filter(command => command.scope === scope)
-}
 
 async function discoverAllCommands(options?: ExecutorOptions): Promise<CommandInfo[]> {
   const discoveredCommands = discoverCommandsSync(process.cwd(), {
@@ -60,14 +54,18 @@ async function discoverAllCommands(options?: ExecutorOptions): Promise<CommandIn
   const skills = options?.skills ?? await discoverAllSkills()
   const skillCommands = skills.map(skillToCommandInfo)
 
+  const scopeOrder: DiscoveredCommandInfo["scope"][] = ["project", "user", "opencode-project", "opencode", "builtin", "plugin"]
+  const grouped = new Map<string, DiscoveredCommandInfo[]>()
+  for (const cmd of discoveredCommands) {
+    const list = grouped.get(cmd.scope) ?? []
+    list.push(cmd)
+    grouped.set(cmd.scope, list)
+  }
+  const orderedCommands = scopeOrder.flatMap((scope) => grouped.get(scope) ?? [])
+
   return [
     ...skillCommands,
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "project"),
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "user"),
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "opencode-project"),
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "opencode"),
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "builtin"),
-    ...filterDiscoveredCommandsByScope(discoveredCommands, "plugin"),
+    ...orderedCommands,
   ]
 }
 

src/hooks/claude-code-hooks/handlers/tool-execute-after-handler.ts

@@ -79,8 +79,6 @@ export function createToolExecuteAfterHandler(ctx: PluginInput, config: PluginCo
 			return
 		}
 
-		const claudeConfig = await loadClaudeHooksConfig()
-		const extendedConfig = await loadPluginExtendedConfig()
 
 		const cachedInput = getToolInput(input.sessionID, input.tool, input.callID) || {}
 
@@ -96,6 +94,9 @@ export function createToolExecuteAfterHandler(ctx: PluginInput, config: PluginCo
 			return
 		}
 
+		const claudeConfig = await loadClaudeHooksConfig()
+		const extendedConfig = await loadPluginExtendedConfig()
+
 		const postClient: PostToolUseClient = {
 			session: {
 				messages: (opts) => ctx.client.session.messages(opts),

src/hooks/claude-code-hooks/handlers/tool-execute-before-handler.ts

@@ -43,8 +43,6 @@ export function createToolExecuteBeforeHandler(ctx: PluginInput, config: PluginC
 			log("todowrite: parsed todos string to array", { sessionID: input.sessionID })
 		}
 
-		const claudeConfig = await loadClaudeHooksConfig()
-		const extendedConfig = await loadPluginExtendedConfig()
 
 		appendTranscriptEntry(input.sessionID, {
 			type: "tool_use",
@@ -59,6 +57,9 @@ export function createToolExecuteBeforeHandler(ctx: PluginInput, config: PluginC
 			return
 		}
 
+		const claudeConfig = await loadClaudeHooksConfig()
+		const extendedConfig = await loadPluginExtendedConfig()
+
 		const preCtx: PreToolUseContext = {
 			sessionId: input.sessionID,
 			toolName: input.tool,

src/hooks/comment-checker/hook.ts

@@ -3,6 +3,18 @@ import type { CommentCheckerConfig } from "../../config/schema"
 
 import z from "zod"
 
+const ApplyPatchMetadataSchema = z.object({
+  files: z.array(
+    z.object({
+      filePath: z.string(),
+      movePath: z.string().optional(),
+      before: z.string(),
+      after: z.string(),
+      type: z.string().optional(),
+    }),
+  ),
+})
+
 import {
   initializeCommentCheckerCli,
   getCommentCheckerCliPathPromise,
@@ -104,17 +116,6 @@ export function createCommentCheckerHooks(config?: CommentCheckerConfig) {
         return
       }
 
-      const ApplyPatchMetadataSchema = z.object({
-        files: z.array(
-          z.object({
-            filePath: z.string(),
-            movePath: z.string().optional(),
-            before: z.string(),
-            after: z.string(),
-            type: z.string().optional(),
-          }),
-        ),
-      })
 
       if (toolLower === "apply_patch") {
         const parsed = ApplyPatchMetadataSchema.safeParse(output.metadata)

src/hooks/index.ts

@@ -52,3 +52,4 @@ export { createWriteExistingFileGuardHook } from "./write-existing-file-guard";
 export { createHashlineReadEnhancerHook } from "./hashline-read-enhancer";
 export { createJsonErrorRecoveryHook, JSON_ERROR_TOOL_EXCLUDE_LIST, JSON_ERROR_PATTERNS, JSON_ERROR_REMINDER } from "./json-error-recovery";
 export { createReadImageResizerHook } from "./read-image-resizer"
+export { createTodoDescriptionOverrideHook } from "./todo-description-override"

src/hooks/ralph-loop/completion-handler.ts

@@ -23,6 +23,10 @@ export async function handleDetectedCompletion(
 	const { sessionID, state, loopState, directory, apiTimeoutMs } = input
 
 	if (state.ultrawork && !state.verification_pending) {
+		if (state.verification_session_id) {
+			ctx.client.session.abort({ path: { id: state.verification_session_id } }).catch(() => {})
+		}
+
 		const verificationState = loopState.markVerificationPending(sessionID)
 		if (!verificationState) {
 			log(`[${HOOK_NAME}] Failed to transition ultrawork loop to verification`, {

src/hooks/ralph-loop/ulw-loop-verification.test.ts

@@ -10,6 +10,7 @@ describe("ulw-loop verification", () => {
 	const testDir = join(tmpdir(), `ulw-loop-verification-${Date.now()}`)
 	let promptCalls: Array<{ sessionID: string; text: string }>
 	let toastCalls: Array<{ title: string; message: string; variant: string }>
+	let abortCalls: Array<{ id: string }>
 	let parentTranscriptPath: string
 	let oracleTranscriptPath: string
 
@@ -25,6 +26,10 @@ describe("ulw-loop verification", () => {
 						return {}
 					},
 					messages: async () => ({ data: [] }),
+					abort: async (opts: { path: { id: string } }) => {
+						abortCalls.push({ id: opts.path.id })
+						return {}
+					},
 				},
 				tui: {
 					showToast: async (opts: { body: { title: string; message: string; variant: string } }) => {
@@ -40,6 +45,7 @@ describe("ulw-loop verification", () => {
 	beforeEach(() => {
 		promptCalls = []
 		toastCalls = []
+		abortCalls = []
 		parentTranscriptPath = join(testDir, "transcript-parent.jsonl")
 		oracleTranscriptPath = join(testDir, "transcript-oracle.jsonl")
 
@@ -385,4 +391,96 @@ describe("ulw-loop verification", () => {
 		expect(promptCalls).toHaveLength(2)
 		expect(promptCalls[1]?.text).toContain("Verification failed")
 	})
+
+	test("#given oracle verification fails #when loop restarts #then old oracle session is aborted", async () => {
+		const sessionMessages: Record<string, unknown[]> = {
+			"session-123": [{}, {}, {}],
+		}
+		const hook = createRalphLoopHook({
+			...createMockPluginInput(),
+			client: {
+				...createMockPluginInput().client,
+				session: {
+					...createMockPluginInput().client.session,
+					messages: async (opts: { path: { id: string } }) => ({
+						data: sessionMessages[opts.path.id] ?? [],
+					}),
+				},
+			},
+		} as Parameters<typeof createRalphLoopHook>[0], {
+			getTranscriptPath: (sessionID) => sessionID === "ses-oracle" ? oracleTranscriptPath : parentTranscriptPath,
+		})
+		hook.startLoop("session-123", "Build API", { ultrawork: true })
+		writeFileSync(
+			parentTranscriptPath,
+			`${JSON.stringify({ type: "tool_result", timestamp: new Date().toISOString(), tool_output: { output: "done <promise>DONE</promise>" } })}\n`,
+		)
+
+		await hook.event({ event: { type: "session.idle", properties: { sessionID: "session-123" } } })
+		writeState(testDir, {
+			...hook.getState()!,
+			verification_session_id: "ses-oracle",
+		})
+		writeFileSync(
+			oracleTranscriptPath,
+			`${JSON.stringify({ type: "tool_result", timestamp: new Date().toISOString(), tool_output: { output: "verification failed: missing tests" } })}\n`,
+		)
+
+		await hook.event({ event: { type: "session.idle", properties: { sessionID: "ses-oracle" } } })
+
+		expect(abortCalls).toHaveLength(1)
+		expect(abortCalls[0].id).toBe("ses-oracle")
+	})
+
+	test("#given ulw loop re-enters verification #when DONE detected again after failed verification #then previous verification session is aborted", async () => {
+		const sessionMessages: Record<string, unknown[]> = {
+			"session-123": [{}, {}, {}],
+		}
+		const hook = createRalphLoopHook({
+			...createMockPluginInput(),
+			client: {
+				...createMockPluginInput().client,
+				session: {
+					...createMockPluginInput().client.session,
+					messages: async (opts: { path: { id: string } }) => ({
+						data: sessionMessages[opts.path.id] ?? [],
+					}),
+				},
+			},
+		} as Parameters<typeof createRalphLoopHook>[0], {
+			getTranscriptPath: (sessionID) => sessionID === "ses-oracle" ? oracleTranscriptPath : parentTranscriptPath,
+		})
+		hook.startLoop("session-123", "Build API", { ultrawork: true })
+		writeFileSync(
+			parentTranscriptPath,
+			`${JSON.stringify({ type: "tool_result", timestamp: new Date().toISOString(), tool_output: { output: "done <promise>DONE</promise>" } })}\n`,
+		)
+
+		await hook.event({ event: { type: "session.idle", properties: { sessionID: "session-123" } } })
+		writeState(testDir, {
+			...hook.getState()!,
+			verification_session_id: "ses-oracle",
+		})
+		writeFileSync(
+			oracleTranscriptPath,
+			`${JSON.stringify({ type: "tool_result", timestamp: new Date().toISOString(), tool_output: { output: "failed" } })}\n`,
+		)
+
+		await hook.event({ event: { type: "session.idle", properties: { sessionID: "ses-oracle" } } })
+		abortCalls.length = 0
+
+		writeFileSync(
+			parentTranscriptPath,
+			`${JSON.stringify({ type: "tool_result", timestamp: new Date().toISOString(), tool_output: { output: "fixed it <promise>DONE</promise>" } })}\n`,
+		)
+		writeState(testDir, {
+			...hook.getState()!,
+			verification_session_id: "ses-oracle-old",
+		})
+
+		await hook.event({ event: { type: "session.idle", properties: { sessionID: "session-123" } } })
+
+		expect(abortCalls).toHaveLength(1)
+		expect(abortCalls[0].id).toBe("ses-oracle-old")
+	})
 })

src/hooks/ralph-loop/verification-failure-handler.ts

@@ -68,6 +68,10 @@ export async function handleFailedVerification(
 		return false
 	}
 
+	if (state.verification_session_id) {
+		ctx.client.session.abort({ path: { id: state.verification_session_id } }).catch(() => {})
+	}
+
 	const resumedState = loopState.restartAfterFailedVerification(
 		parentSessionID,
 		messageCountAtStart,

src/hooks/runtime-fallback/error-classifier.ts

@@ -28,6 +28,8 @@ export function getErrorMessage(error: unknown): string {
   }
 }
 
+const DEFAULT_RETRY_PATTERN = new RegExp(`\\b(${DEFAULT_CONFIG.retry_on_errors.join("|")})\\b`)
+
 export function extractStatusCode(error: unknown, retryOnErrors?: number[]): number | undefined {
   if (!error) return undefined
 
@@ -45,8 +47,9 @@ export function extractStatusCode(error: unknown, retryOnErrors?: number[]): num
     return statusCode
   }
 
-  const codes = retryOnErrors ?? DEFAULT_CONFIG.retry_on_errors
-  const pattern = new RegExp(`\\b(${codes.join("|")})\\b`)
+  const pattern = retryOnErrors 
+    ? new RegExp(`\\b(${retryOnErrors.join("|")})\\b`)
+    : DEFAULT_RETRY_PATTERN
   const message = getErrorMessage(error)
   const statusMatch = message.match(pattern)
   if (statusMatch) {

src/hooks/think-mode/detector.ts

@@ -32,8 +32,10 @@ const MULTILINGUAL_KEYWORDS = [
   "fikir", "berfikir",
 ]
 
-const MULTILINGUAL_PATTERNS = MULTILINGUAL_KEYWORDS.map((kw) => new RegExp(kw, "i"))
-const THINK_PATTERNS = [...ENGLISH_PATTERNS, ...MULTILINGUAL_PATTERNS]
+const COMBINED_THINK_PATTERN = new RegExp(
+  `\\b(?:ultrathink|think)\\b|${MULTILINGUAL_KEYWORDS.join("|")}`,
+  "i"
+)
 
 const CODE_BLOCK_PATTERN = /```[\s\S]*?```/g
 const INLINE_CODE_PATTERN = /`[^`]+`/g
@@ -44,7 +46,7 @@ function removeCodeBlocks(text: string): string {
 
 export function detectThinkKeyword(text: string): boolean {
   const textWithoutCode = removeCodeBlocks(text)
-  return THINK_PATTERNS.some((pattern) => pattern.test(textWithoutCode))
+  return COMBINED_THINK_PATTERN.test(textWithoutCode)
 }
 
 export function extractPromptText(

src/hooks/todo-continuation-enforcer/handler.ts

@@ -31,6 +31,10 @@ export function createTodoContinuationHandler(args: {
   return async ({ event }: { event: { type: string; properties?: unknown } }): Promise<void> => {
     const props = event.properties as Record<string, unknown> | undefined
 
+    if (event.type === "session.idle") {
+      console.error(`[TODO-DIAG] handler received session.idle event`, { sessionID: (props?.sessionID as string) })
+    }
+
     if (event.type === "session.error") {
       const sessionID = props?.sessionID as string | undefined
       if (!sessionID) return

src/hooks/todo-continuation-enforcer/idle-event.ts

@@ -43,10 +43,12 @@ export async function handleSessionIdle(args: {
   } = args
 
   log(`[${HOOK_NAME}] session.idle`, { sessionID })
+  console.error(`[TODO-DIAG] session.idle fired for ${sessionID}`)
 
   const state = sessionStateStore.getState(sessionID)
   if (state.isRecovering) {
     log(`[${HOOK_NAME}] Skipped: in recovery`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: isRecovering=true`)
     return
   }
 
@@ -54,6 +56,7 @@ export async function handleSessionIdle(args: {
     const timeSinceAbort = Date.now() - state.abortDetectedAt
     if (timeSinceAbort < ABORT_WINDOW_MS) {
       log(`[${HOOK_NAME}] Skipped: abort detected via event ${timeSinceAbort}ms ago`, { sessionID })
+      console.error(`[TODO-DIAG] BLOCKED: abort detected ${timeSinceAbort}ms ago`)
       state.abortDetectedAt = undefined
       return
     }
@@ -66,6 +69,7 @@ export async function handleSessionIdle(args: {
 
   if (hasRunningBgTasks) {
     log(`[${HOOK_NAME}] Skipped: background tasks running`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: background tasks running`, backgroundManager?.getTasksByParentSession(sessionID).filter((t: {status:string}) => t.status === 'running').map((t: {id:string, status:string}) => t.id))
     return
   }
 
@@ -77,10 +81,12 @@ export async function handleSessionIdle(args: {
     const messages = normalizeSDKResponse(messagesResp, [] as Array<{ info?: MessageInfo }>)
     if (isLastAssistantMessageAborted(messages)) {
       log(`[${HOOK_NAME}] Skipped: last assistant message was aborted (API fallback)`, { sessionID })
+      console.error(`[TODO-DIAG] BLOCKED: last assistant message aborted`)
       return
     }
     if (hasUnansweredQuestion(messages)) {
       log(`[${HOOK_NAME}] Skipped: pending question awaiting user response`, { sessionID })
+      console.error(`[TODO-DIAG] BLOCKED: hasUnansweredQuestion=true`)
       return
     }
   } catch (error) {
@@ -93,24 +99,30 @@ export async function handleSessionIdle(args: {
     todos = normalizeSDKResponse(response, [] as Todo[], { preferResponseOnMissingData: true })
   } catch (error) {
     log(`[${HOOK_NAME}] Todo fetch failed`, { sessionID, error: String(error) })
+    console.error(`[TODO-DIAG] BLOCKED: todo fetch failed`, String(error))
     return
   }
 
   if (!todos || todos.length === 0) {
+    sessionStateStore.resetContinuationProgress(sessionID)
     sessionStateStore.resetContinuationProgress(sessionID)
     log(`[${HOOK_NAME}] No todos`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: no todos`)
     return
   }
 
   const incompleteCount = getIncompleteCount(todos)
   if (incompleteCount === 0) {
+    sessionStateStore.resetContinuationProgress(sessionID)
     sessionStateStore.resetContinuationProgress(sessionID)
     log(`[${HOOK_NAME}] All todos complete`, { sessionID, total: todos.length })
+    console.error(`[TODO-DIAG] BLOCKED: all todos complete (${todos.length})`)
     return
   }
 
   if (state.inFlight) {
     log(`[${HOOK_NAME}] Skipped: injection in flight`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: inFlight=true`)
     return
   }
 
@@ -124,22 +136,16 @@ export async function handleSessionIdle(args: {
   }
 
   if (state.consecutiveFailures >= MAX_CONSECUTIVE_FAILURES) {
-    log(`[${HOOK_NAME}] Skipped: max consecutive failures reached`, {
-      sessionID,
-      consecutiveFailures: state.consecutiveFailures,
-      maxConsecutiveFailures: MAX_CONSECUTIVE_FAILURES,
-    })
+    log(`[${HOOK_NAME}] Skipped: max consecutive failures reached`, { sessionID, consecutiveFailures: state.consecutiveFailures })
+    console.error(`[TODO-DIAG] BLOCKED: consecutiveFailures=${state.consecutiveFailures} >= ${MAX_CONSECUTIVE_FAILURES}`)
     return
   }
 
   const effectiveCooldown =
     CONTINUATION_COOLDOWN_MS * Math.pow(2, Math.min(state.consecutiveFailures, 5))
   if (state.lastInjectedAt && Date.now() - state.lastInjectedAt < effectiveCooldown) {
-    log(`[${HOOK_NAME}] Skipped: cooldown active`, {
-      sessionID,
-      effectiveCooldown,
-      consecutiveFailures: state.consecutiveFailures,
-    })
+    log(`[${HOOK_NAME}] Skipped: cooldown active`, { sessionID, effectiveCooldown, consecutiveFailures: state.consecutiveFailures })
+    console.error(`[TODO-DIAG] BLOCKED: cooldown active (${effectiveCooldown}ms, failures=${state.consecutiveFailures})`)
     return
   }
 
@@ -165,10 +171,12 @@ export async function handleSessionIdle(args: {
   const resolvedAgentName = resolvedInfo?.agent
   if (resolvedAgentName && skipAgents.some(s => getAgentConfigKey(s) === getAgentConfigKey(resolvedAgentName))) {
     log(`[${HOOK_NAME}] Skipped: agent in skipAgents list`, { sessionID, agent: resolvedAgentName })
+    console.error(`[TODO-DIAG] BLOCKED: agent '${resolvedAgentName}' in skipAgents`)
     return
   }
   if ((compactionGuardActive || encounteredCompaction) && !resolvedInfo?.agent) {
     log(`[${HOOK_NAME}] Skipped: compaction occurred but no agent info resolved`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: compaction guard + no agent`)
     return
   }
   if (state.recentCompactionAt && resolvedInfo?.agent) {
@@ -177,18 +185,22 @@ export async function handleSessionIdle(args: {
 
   if (isContinuationStopped?.(sessionID)) {
     log(`[${HOOK_NAME}] Skipped: continuation stopped for session`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: isContinuationStopped=true`)
     return
   }
 
   if (shouldSkipContinuation?.(sessionID)) {
     log(`[${HOOK_NAME}] Skipped: another continuation hook already injected`, { sessionID })
+    console.error(`[TODO-DIAG] BLOCKED: shouldSkipContinuation=true (gptPermissionContinuation recently injected)`)
     return
   }
 
   const progressUpdate = sessionStateStore.trackContinuationProgress(sessionID, incompleteCount, todos)
   if (shouldStopForStagnation({ sessionID, incompleteCount, progressUpdate })) {
+    console.error(`[TODO-DIAG] BLOCKED: stagnation detected (count=${progressUpdate.stagnationCount})`)
     return
   }
+  console.error(`[TODO-DIAG] PASSED all gates! Starting countdown (${incompleteCount}/${todos.length} incomplete)`)
   startCountdown({
     ctx,
     sessionID,

src/hooks/todo-description-override/description.ts

@@ -0,0 +1,28 @@
+export const TODOWRITE_DESCRIPTION = `Use this tool to create and manage a structured task list for tracking progress on multi-step work.
+
+## Todo Format (MANDATORY)
+
+Each todo title MUST encode four elements: WHERE, WHY, HOW, and EXPECTED RESULT.
+
+Format: "[WHERE] [HOW] to [WHY] — expect [RESULT]"
+
+GOOD:
+- "src/utils/validation.ts: Add validateEmail() for input sanitization — returns boolean"
+- "UserService.create(): Call validateEmail() before DB insert — rejects invalid emails with 400"
+- "validation.test.ts: Add test for missing @ sign — expect validateEmail('foo') to return false"
+
+BAD:
+- "Implement email validation" (where? how? what result?)
+- "Add dark mode" (this is a feature, not a todo)
+- "Fix auth" (what file? what changes? what's expected?)
+
+## Granularity Rules
+
+Each todo MUST be a single atomic action completable in 1-3 tool calls. If it needs more, split it.
+
+**Size test**: Can you complete this todo by editing one file or running one command? If not, it's too big.
+
+## Task Management
+- One in_progress at a time. Complete it before starting the next.
+- Mark completed immediately after finishing each item.
+- Skip this tool for single trivial tasks (one-step, obvious action).`

src/hooks/todo-description-override/hook.ts

@@ -0,0 +1,14 @@
+import { TODOWRITE_DESCRIPTION } from "./description"
+
+export function createTodoDescriptionOverrideHook() {
+  return {
+    "tool.definition": async (
+      input: { toolID: string },
+      output: { description: string; parameters: unknown },
+    ) => {
+      if (input.toolID === "todowrite") {
+        output.description = TODOWRITE_DESCRIPTION
+      }
+    },
+  }
+}

src/hooks/todo-description-override/index.test.ts

@@ -0,0 +1,40 @@
+import { describe, it, expect } from "bun:test"
+import { createTodoDescriptionOverrideHook } from "./hook"
+import { TODOWRITE_DESCRIPTION } from "./description"
+
+describe("createTodoDescriptionOverrideHook", () => {
+  describe("#given hook is created", () => {
+    describe("#when tool.definition is called with todowrite", () => {
+      it("#then should override the description", async () => {
+        const hook = createTodoDescriptionOverrideHook()
+        const output = { description: "original description", parameters: {} }
+
+        await hook["tool.definition"]({ toolID: "todowrite" }, output)
+
+        expect(output.description).toBe(TODOWRITE_DESCRIPTION)
+      })
+    })
+
+    describe("#when tool.definition is called with non-todowrite tool", () => {
+      it("#then should not modify the description", async () => {
+        const hook = createTodoDescriptionOverrideHook()
+        const output = { description: "original description", parameters: {} }
+
+        await hook["tool.definition"]({ toolID: "bash" }, output)
+
+        expect(output.description).toBe("original description")
+      })
+    })
+
+    describe("#when tool.definition is called with TodoWrite (case-insensitive)", () => {
+      it("#then should not override for different casing since OpenCode sends lowercase", async () => {
+        const hook = createTodoDescriptionOverrideHook()
+        const output = { description: "original description", parameters: {} }
+
+        await hook["tool.definition"]({ toolID: "TodoWrite" }, output)
+
+        expect(output.description).toBe("original description")
+      })
+    })
+  })
+})

src/hooks/todo-description-override/index.ts

@@ -0,0 +1 @@
+export { createTodoDescriptionOverrideHook } from "./hook"

src/plugin-interface.ts

@@ -32,10 +32,7 @@ export function createPluginInterface(args: {
   return {
     tool: tools,
 
-    "chat.params": async (input: unknown, output: unknown) => {
-      const handler = createChatParamsHandler({ anthropicEffort: hooks.anthropicEffort })
-      await handler(input, output)
-    },
+    "chat.params": createChatParamsHandler({ anthropicEffort: hooks.anthropicEffort }),
 
     "chat.headers": createChatHeadersHandler({ ctx }),
 
@@ -71,5 +68,9 @@ export function createPluginInterface(args: {
       ctx,
       hooks,
     }),
+
+    "tool.definition": async (input, output) => {
+      await hooks.todoDescriptionOverride?.["tool.definition"]?.(input, output)
+    },
   }
 }

src/plugin/hooks/create-tool-guard-hooks.ts

@@ -14,6 +14,7 @@ import {
   createHashlineReadEnhancerHook,
   createReadImageResizerHook,
   createJsonErrorRecoveryHook,
+  createTodoDescriptionOverrideHook,
 } from "../../hooks"
 import {
   getOpenCodeVersion,
@@ -35,6 +36,7 @@ export type ToolGuardHooks = {
   hashlineReadEnhancer: ReturnType<typeof createHashlineReadEnhancerHook> | null
   jsonErrorRecovery: ReturnType<typeof createJsonErrorRecoveryHook> | null
   readImageResizer: ReturnType<typeof createReadImageResizerHook> | null
+  todoDescriptionOverride: ReturnType<typeof createTodoDescriptionOverrideHook> | null
 }
 
 export function createToolGuardHooks(args: {
@@ -111,6 +113,10 @@ export function createToolGuardHooks(args: {
     ? safeHook("read-image-resizer", () => createReadImageResizerHook(ctx))
     : null
 
+  const todoDescriptionOverride = isHookEnabled("todo-description-override")
+    ? safeHook("todo-description-override", () => createTodoDescriptionOverrideHook())
+    : null
+
   return {
     commentChecker,
     toolOutputTruncator,
@@ -123,5 +129,6 @@ export function createToolGuardHooks(args: {
     hashlineReadEnhancer,
     jsonErrorRecovery,
     readImageResizer,
+    todoDescriptionOverride,
   }
 }

src/shared/connected-providers-cache.test.ts

@@ -1,45 +1,30 @@
 /// <reference types="bun-types" />
 
-import { beforeAll, beforeEach, afterEach, describe, expect, mock, test } from "bun:test"
+import { beforeEach, afterEach, describe, expect, test } from "bun:test"
 
 import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs"
 import { tmpdir } from "node:os"
 import { join } from "node:path"
-import * as dataPath from "./data-path"
+import {
+	createConnectedProvidersCacheStore,
+} from "./connected-providers-cache"
 
+let fakeUserCacheRoot = ""
 let testCacheDir = ""
-let moduleImportCounter = 0
-
-const getOmoOpenCodeCacheDirMock = mock(() => testCacheDir)
-
-let updateConnectedProvidersCache: typeof import("./connected-providers-cache").updateConnectedProvidersCache
-let readProviderModelsCache: typeof import("./connected-providers-cache").readProviderModelsCache
-
-async function prepareConnectedProvidersCacheTestModule(): Promise<void> {
-	testCacheDir = mkdtempSync(join(tmpdir(), "connected-providers-cache-test-"))
-	getOmoOpenCodeCacheDirMock.mockClear()
-	mock.module("./data-path", () => ({
-		getOmoOpenCodeCacheDir: getOmoOpenCodeCacheDirMock,
-	}))
-	moduleImportCounter += 1
-	;({ updateConnectedProvidersCache, readProviderModelsCache } = await import(`./connected-providers-cache?test=${moduleImportCounter}`))
-}
+let testCacheStore: ReturnType<typeof createConnectedProvidersCacheStore>
 
 describe("updateConnectedProvidersCache", () => {
-	beforeAll(() => {
-		mock.restore()
-	})
-
-	beforeEach(async () => {
-		mock.restore()
-		await prepareConnectedProvidersCacheTestModule()
+	beforeEach(() => {
+		fakeUserCacheRoot = mkdtempSync(join(tmpdir(), "connected-providers-user-cache-"))
+		testCacheDir = join(fakeUserCacheRoot, "oh-my-opencode")
+		testCacheStore = createConnectedProvidersCacheStore(() => testCacheDir)
 	})
 
 	afterEach(() => {
-		mock.restore()
-		if (existsSync(testCacheDir)) {
-			rmSync(testCacheDir, { recursive: true, force: true })
+		if (existsSync(fakeUserCacheRoot)) {
+			rmSync(fakeUserCacheRoot, { recursive: true, force: true })
 		}
+		fakeUserCacheRoot = ""
 		testCacheDir = ""
 	})
 
@@ -76,10 +61,10 @@ describe("updateConnectedProvidersCache", () => {
 		}
 
 		//#when
-		await updateConnectedProvidersCache(mockClient)
+		await testCacheStore.updateConnectedProvidersCache(mockClient)
 
 		//#then
-		const cache = readProviderModelsCache()
+		const cache = testCacheStore.readProviderModelsCache()
 		expect(cache).not.toBeNull()
 		expect(cache!.connected).toEqual(["openai", "anthropic"])
 		expect(cache!.models).toEqual({
@@ -109,10 +94,10 @@ describe("updateConnectedProvidersCache", () => {
 		}
 
 		//#when
-		await updateConnectedProvidersCache(mockClient)
+		await testCacheStore.updateConnectedProvidersCache(mockClient)
 
 		//#then
-		const cache = readProviderModelsCache()
+		const cache = testCacheStore.readProviderModelsCache()
 		expect(cache).not.toBeNull()
 		expect(cache!.models).toEqual({})
 	})
@@ -130,10 +115,10 @@ describe("updateConnectedProvidersCache", () => {
 		}
 
 		//#when
-		await updateConnectedProvidersCache(mockClient)
+		await testCacheStore.updateConnectedProvidersCache(mockClient)
 
 		//#then
-		const cache = readProviderModelsCache()
+		const cache = testCacheStore.readProviderModelsCache()
 		expect(cache).not.toBeNull()
 		expect(cache!.models).toEqual({})
 	})
@@ -143,25 +128,44 @@ describe("updateConnectedProvidersCache", () => {
 		const mockClient = {}
 
 		//#when
-		await updateConnectedProvidersCache(mockClient)
+		await testCacheStore.updateConnectedProvidersCache(mockClient)
 
 		//#then
-		const cache = readProviderModelsCache()
+		const cache = testCacheStore.readProviderModelsCache()
 		expect(cache).toBeNull()
 	})
 
-	test("does not remove the user's real cache directory during test setup", async () => {
+	test("does not remove unrelated files in the cache directory", async () => {
 		//#given
-		const realCacheDir = join(dataPath.getCacheDir(), "oh-my-opencode")
+		const realCacheDir = join(fakeUserCacheRoot, "oh-my-opencode")
 		const sentinelPath = join(realCacheDir, "connected-providers-cache.test-sentinel.json")
 		mkdirSync(realCacheDir, { recursive: true })
 		writeFileSync(sentinelPath, JSON.stringify({ keep: true }))
 
+		const mockClient = {
+			provider: {
+				list: async () => ({
+					data: {
+						connected: ["openai"],
+						all: [
+							{
+								id: "openai",
+								models: {
+									"gpt-5.4": { id: "gpt-5.4" },
+								},
+							},
+						],
+					},
+				}),
+			},
+		}
+
 		try {
 			//#when
-			await prepareConnectedProvidersCacheTestModule()
+			await testCacheStore.updateConnectedProvidersCache(mockClient)
 
 			//#then
+			expect(testCacheStore.readConnectedProvidersCache()).toEqual(["openai"])
 			expect(existsSync(sentinelPath)).toBe(true)
 			expect(readFileSync(sentinelPath, "utf-8")).toBe(JSON.stringify({ keep: true }))
 		} finally {

src/shared/connected-providers-cache.ts

@@ -25,172 +25,190 @@ interface ProviderModelsCache {
 	updatedAt: string
 }
 
-function getCacheFilePath(filename: string): string {
-	return join(dataPath.getOmoOpenCodeCacheDir(), filename)
-}
-
-function ensureCacheDir(): void {
-	const cacheDir = dataPath.getOmoOpenCodeCacheDir()
-	if (!existsSync(cacheDir)) {
-		mkdirSync(cacheDir, { recursive: true })
-	}
-}
-
-/**
- * Read the connected providers cache.
- * Returns the list of connected provider IDs, or null if cache doesn't exist.
- */
-export function readConnectedProvidersCache(): string[] | null {
-	const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
-
-	if (!existsSync(cacheFile)) {
-		log("[connected-providers-cache] Cache file not found", { cacheFile })
-		return null
+export function createConnectedProvidersCacheStore(
+	getCacheDir: () => string = dataPath.getOmoOpenCodeCacheDir
+) {
+	function getCacheFilePath(filename: string): string {
+		return join(getCacheDir(), filename)
 	}
 
-	try {
-		const content = readFileSync(cacheFile, "utf-8")
-		const data = JSON.parse(content) as ConnectedProvidersCache
-		log("[connected-providers-cache] Read cache", { count: data.connected.length, updatedAt: data.updatedAt })
-		return data.connected
-	} catch (err) {
-		log("[connected-providers-cache] Error reading cache", { error: String(err) })
-		return null
-	}
-}
+	let memConnected: string[] | null | undefined
+	let memProviderModels: ProviderModelsCache | null | undefined
 
-/**
- * Check if connected providers cache exists.
- */
-export function hasConnectedProvidersCache(): boolean {
-	const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
-	return existsSync(cacheFile)
-}
-
-/**
- * Write the connected providers cache.
- */
-function writeConnectedProvidersCache(connected: string[]): void {
-	ensureCacheDir()
-	const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
-
-	const data: ConnectedProvidersCache = {
-		connected,
-		updatedAt: new Date().toISOString(),
+	function ensureCacheDir(): void {
+		const cacheDir = getCacheDir()
+		if (!existsSync(cacheDir)) {
+			mkdirSync(cacheDir, { recursive: true })
+		}
 	}
 
-	try {
-		writeFileSync(cacheFile, JSON.stringify(data, null, 2))
-		log("[connected-providers-cache] Cache written", { count: connected.length })
-	} catch (err) {
-		log("[connected-providers-cache] Error writing cache", { error: String(err) })
-	}
-}
+	function readConnectedProvidersCache(): string[] | null {
+		if (memConnected !== undefined) return memConnected
+		const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
 
-/**
- * Read the provider-models cache.
- * Returns the cache data, or null if cache doesn't exist.
- */
-export function readProviderModelsCache(): ProviderModelsCache | null {
-	const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
-
-	if (!existsSync(cacheFile)) {
-		log("[connected-providers-cache] Provider-models cache file not found", { cacheFile })
-		return null
-	}
-
-	try {
-		const content = readFileSync(cacheFile, "utf-8")
-		const data = JSON.parse(content) as ProviderModelsCache
-		log("[connected-providers-cache] Read provider-models cache", { 
-			providerCount: Object.keys(data.models).length, 
-			updatedAt: data.updatedAt 
-		})
-		return data
-	} catch (err) {
-		log("[connected-providers-cache] Error reading provider-models cache", { error: String(err) })
-		return null
-	}
-}
-
-/**
- * Check if provider-models cache exists.
- */
-export function hasProviderModelsCache(): boolean {
-	const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
-	return existsSync(cacheFile)
-}
-
-/**
- * Write the provider-models cache.
- */
-export function writeProviderModelsCache(data: { models: Record<string, string[]>; connected: string[] }): void {
-	ensureCacheDir()
-	const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
-
-	const cacheData: ProviderModelsCache = {
-		...data,
-		updatedAt: new Date().toISOString(),
-	}
-
-	try {
-		writeFileSync(cacheFile, JSON.stringify(cacheData, null, 2))
-		log("[connected-providers-cache] Provider-models cache written", { 
-			providerCount: Object.keys(data.models).length 
-		})
-	} catch (err) {
-		log("[connected-providers-cache] Error writing provider-models cache", { error: String(err) })
-	}
-}
-
-/**
- * Update the connected providers cache by fetching from the client.
- * Also updates the provider-models cache with model lists per provider.
- */
-export async function updateConnectedProvidersCache(client: {
-	provider?: {
-		list?: () => Promise<{
-			data?: {
-				connected?: string[]
-				all?: Array<{ id: string; models?: Record<string, unknown> }>
-			}
-		}>
-	}
-}): Promise<void> {
-	if (!client?.provider?.list) {
-		log("[connected-providers-cache] client.provider.list not available")
-		return
-	}
-
-	try {
-		const result = await client.provider.list()
-		const connected = result.data?.connected ?? []
-		log("[connected-providers-cache] Fetched connected providers", { count: connected.length, providers: connected })
-
-		writeConnectedProvidersCache(connected)
-
-		const modelsByProvider: Record<string, string[]> = {}
-		const allProviders = result.data?.all ?? []
-
-		for (const provider of allProviders) {
-			if (provider.models) {
-				const modelIds = Object.keys(provider.models)
-				if (modelIds.length > 0) {
-					modelsByProvider[provider.id] = modelIds
-				}
-			}
+		if (!existsSync(cacheFile)) {
+			log("[connected-providers-cache] Cache file not found", { cacheFile })
+			memConnected = null
+			return null
 		}
 
-		log("[connected-providers-cache] Extracted models from provider list", {
-			providerCount: Object.keys(modelsByProvider).length,
-			totalModels: Object.values(modelsByProvider).reduce((sum, ids) => sum + ids.length, 0),
-		})
+		try {
+			const content = readFileSync(cacheFile, "utf-8")
+			const data = JSON.parse(content) as ConnectedProvidersCache
+			log("[connected-providers-cache] Read cache", { count: data.connected.length, updatedAt: data.updatedAt })
+			memConnected = data.connected
+			return data.connected
+		} catch (err) {
+			log("[connected-providers-cache] Error reading cache", { error: String(err) })
+			memConnected = null
+			return null
+		}
+	}
 
-		writeProviderModelsCache({
-			models: modelsByProvider,
+	function hasConnectedProvidersCache(): boolean {
+		const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
+		return existsSync(cacheFile)
+	}
+
+	function writeConnectedProvidersCache(connected: string[]): void {
+		ensureCacheDir()
+		const cacheFile = getCacheFilePath(CONNECTED_PROVIDERS_CACHE_FILE)
+
+		const data: ConnectedProvidersCache = {
 			connected,
-		})
-	} catch (err) {
-		log("[connected-providers-cache] Error updating cache", { error: String(err) })
+			updatedAt: new Date().toISOString(),
+		}
+
+		try {
+			writeFileSync(cacheFile, JSON.stringify(data, null, 2))
+			memConnected = connected
+			log("[connected-providers-cache] Cache written", { count: connected.length })
+		} catch (err) {
+			log("[connected-providers-cache] Error writing cache", { error: String(err) })
+		}
+	}
+
+	function readProviderModelsCache(): ProviderModelsCache | null {
+		if (memProviderModels !== undefined) return memProviderModels
+		const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
+
+		if (!existsSync(cacheFile)) {
+			log("[connected-providers-cache] Provider-models cache file not found", { cacheFile })
+			memProviderModels = null
+			return null
+		}
+
+		try {
+			const content = readFileSync(cacheFile, "utf-8")
+			const data = JSON.parse(content) as ProviderModelsCache
+			log("[connected-providers-cache] Read provider-models cache", {
+				providerCount: Object.keys(data.models).length,
+				updatedAt: data.updatedAt,
+			})
+			memProviderModels = data
+			return data
+		} catch (err) {
+			log("[connected-providers-cache] Error reading provider-models cache", { error: String(err) })
+			memProviderModels = null
+			return null
+		}
+	}
+
+	function hasProviderModelsCache(): boolean {
+		const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
+		return existsSync(cacheFile)
+	}
+
+	function writeProviderModelsCache(data: { models: Record<string, string[]>; connected: string[] }): void {
+		ensureCacheDir()
+		const cacheFile = getCacheFilePath(PROVIDER_MODELS_CACHE_FILE)
+
+		const cacheData: ProviderModelsCache = {
+			...data,
+			updatedAt: new Date().toISOString(),
+		}
+
+		try {
+			writeFileSync(cacheFile, JSON.stringify(cacheData, null, 2))
+			memProviderModels = cacheData
+			log("[connected-providers-cache] Provider-models cache written", {
+				providerCount: Object.keys(data.models).length,
+			})
+		} catch (err) {
+			log("[connected-providers-cache] Error writing provider-models cache", { error: String(err) })
+		}
+	}
+
+	async function updateConnectedProvidersCache(client: {
+		provider?: {
+			list?: () => Promise<{
+				data?: {
+					connected?: string[]
+					all?: Array<{ id: string; models?: Record<string, unknown> }>
+				}
+			}>
+		}
+	}): Promise<void> {
+		if (!client?.provider?.list) {
+			log("[connected-providers-cache] client.provider.list not available")
+			return
+		}
+
+		try {
+			const result = await client.provider.list()
+			const connected = result.data?.connected ?? []
+			log("[connected-providers-cache] Fetched connected providers", {
+				count: connected.length,
+				providers: connected,
+			})
+
+			writeConnectedProvidersCache(connected)
+
+			const modelsByProvider: Record<string, string[]> = {}
+			const allProviders = result.data?.all ?? []
+
+			for (const provider of allProviders) {
+				if (provider.models) {
+					const modelIds = Object.keys(provider.models)
+					if (modelIds.length > 0) {
+						modelsByProvider[provider.id] = modelIds
+					}
+				}
+			}
+
+			log("[connected-providers-cache] Extracted models from provider list", {
+				providerCount: Object.keys(modelsByProvider).length,
+				totalModels: Object.values(modelsByProvider).reduce((sum, ids) => sum + ids.length, 0),
+			})
+
+			writeProviderModelsCache({
+				models: modelsByProvider,
+				connected,
+			})
+		} catch (err) {
+			log("[connected-providers-cache] Error updating cache", { error: String(err) })
+		}
+	}
+
+	return {
+		readConnectedProvidersCache,
+		hasConnectedProvidersCache,
+		readProviderModelsCache,
+		hasProviderModelsCache,
+		writeProviderModelsCache,
+		updateConnectedProvidersCache,
 	}
 }
+
+const defaultConnectedProvidersCacheStore = createConnectedProvidersCacheStore(
+	() => dataPath.getOmoOpenCodeCacheDir()
+)
+
+export const {
+	readConnectedProvidersCache,
+	hasConnectedProvidersCache,
+	readProviderModelsCache,
+	hasProviderModelsCache,
+	writeProviderModelsCache,
+	updateConnectedProvidersCache,
+} = defaultConnectedProvidersCacheStore

src/shared/file-reference-resolver.ts

@@ -74,7 +74,7 @@ export async function resolveFileReferencesInText(
 
   let resolved = text
   for (const [pattern, replacement] of replacements.entries()) {
-    resolved = resolved.split(pattern).join(replacement)
+    resolved = resolved.replaceAll(pattern, replacement)
   }
 
   if (findFileReferences(resolved).length > 0 && depth + 1 < maxDepth) {

src/shared/logger.ts

@@ -1,16 +1,42 @@
-// Shared logging utility for the plugin
-
 import * as fs from "fs"
 import * as os from "os"
 import * as path from "path"
 
 const logFile = path.join(os.tmpdir(), "oh-my-opencode.log")
 
+let buffer: string[] = []
+let flushTimer: ReturnType<typeof setTimeout> | null = null
+const FLUSH_INTERVAL_MS = 500
+const BUFFER_SIZE_LIMIT = 50
+
+function flush(): void {
+  if (buffer.length === 0) return
+  const data = buffer.join("")
+  buffer = []
+  try {
+    fs.appendFileSync(logFile, data)
+  } catch {
+  }
+}
+
+function scheduleFlush(): void {
+  if (flushTimer) return
+  flushTimer = setTimeout(() => {
+    flushTimer = null
+    flush()
+  }, FLUSH_INTERVAL_MS)
+}
+
 export function log(message: string, data?: unknown): void {
   try {
     const timestamp = new Date().toISOString()
     const logEntry = `[${timestamp}] ${message} ${data ? JSON.stringify(data) : ""}\n`
-    fs.appendFileSync(logFile, logEntry)
+    buffer.push(logEntry)
+    if (buffer.length >= BUFFER_SIZE_LIMIT) {
+      flush()
+    } else {
+      scheduleFlush()
+    }
   } catch {
   }
 }

src/shared/pattern-matcher.ts

@@ -9,6 +9,8 @@ function escapeRegexExceptAsterisk(str: string): string {
   return str.replace(/[.+?^${}()|[\]\\]/g, "\\$&")
 }
 
+const regexCache = new Map<string, RegExp>()
+
 export function matchesToolMatcher(toolName: string, matcher: string): boolean {
   if (!matcher) {
     return true
@@ -17,8 +19,12 @@ export function matchesToolMatcher(toolName: string, matcher: string): boolean {
   return patterns.some((p) => {
     if (p.includes("*")) {
       // First escape regex special chars (except *), then convert * to .*
-      const escaped = escapeRegexExceptAsterisk(p)
-      const regex = new RegExp(`^${escaped.replace(/\*/g, ".*")}$`, "i")
+      let regex = regexCache.get(p)
+      if (!regex) {
+        const escaped = escapeRegexExceptAsterisk(p)
+        regex = new RegExp(`^${escaped.replace(/\*/g, ".*")}$`, "i")
+        regexCache.set(p, regex)
+      }
       return regex.test(toolName)
     }
     return p.toLowerCase() === toolName.toLowerCase()

src/shared/port-utils.test.ts

@@ -1,4 +1,4 @@
-import { describe, it, expect, beforeAll, afterAll } from "bun:test"
+import { afterEach, beforeEach, describe, expect, it, spyOn } from "bun:test"
 import {
   isPortAvailable,
   findAvailablePort,
@@ -6,96 +6,283 @@ import {
   DEFAULT_SERVER_PORT,
 } from "./port-utils"
 
+const HOSTNAME = "127.0.0.1"
+const REAL_PORT_SEARCH_WINDOW = 200
+
+function supportsRealSocketBinding(): boolean {
+  try {
+    const server = Bun.serve({
+      port: 0,
+      hostname: HOSTNAME,
+      fetch: () => new Response("probe"),
+    })
+    server.stop(true)
+    return true
+  } catch {
+    return false
+  }
+}
+
+const canBindRealSockets = supportsRealSocketBinding()
+
 describe("port-utils", () => {
-  describe("isPortAvailable", () => {
-    it("#given unused port #when checking availability #then returns true", async () => {
-      const port = 59999
-      const result = await isPortAvailable(port)
-      expect(result).toBe(true)
-    })
-
-    it("#given port in use #when checking availability #then returns false", async () => {
-      const port = 59998
-      const blocker = Bun.serve({
+  if (canBindRealSockets) {
+    function startRealBlocker(port: number = 0) {
+      return Bun.serve({
         port,
-        hostname: "127.0.0.1",
+        hostname: HOSTNAME,
         fetch: () => new Response("blocked"),
       })
+    }
 
-      try {
-        const result = await isPortAvailable(port)
-        expect(result).toBe(false)
-      } finally {
-        blocker.stop(true)
+    async function findContiguousAvailableStart(length: number): Promise<number> {
+      const probe = startRealBlocker()
+      const seedPort = probe.port
+      probe.stop(true)
+
+      for (let candidate = seedPort; candidate < seedPort + REAL_PORT_SEARCH_WINDOW; candidate++) {
+        const checks = await Promise.all(
+          Array.from({ length }, async (_, offset) => isPortAvailable(candidate + offset, HOSTNAME))
+        )
+        if (checks.every(Boolean)) {
+          return candidate
+        }
       }
-    })
-  })
 
-  describe("findAvailablePort", () => {
-    it("#given start port available #when finding port #then returns start port", async () => {
-      const startPort = 59997
-      const result = await findAvailablePort(startPort)
-      expect(result).toBe(startPort)
-    })
+      throw new Error(`Could not find ${length} contiguous available ports`)
+    }
 
-    it("#given start port blocked #when finding port #then returns next available", async () => {
-      const startPort = 59996
-      const blocker = Bun.serve({
-        port: startPort,
-        hostname: "127.0.0.1",
-        fetch: () => new Response("blocked"),
+    describe("with real sockets", () => {
+      describe("isPortAvailable", () => {
+        it("#given unused port #when checking availability #then returns true", async () => {
+          const blocker = startRealBlocker()
+          const port = blocker.port
+          blocker.stop(true)
+
+          const result = await isPortAvailable(port)
+          expect(result).toBe(true)
+        })
+
+        it("#given port in use #when checking availability #then returns false", async () => {
+          const blocker = startRealBlocker()
+          const port = blocker.port
+
+          try {
+            const result = await isPortAvailable(port)
+            expect(result).toBe(false)
+          } finally {
+            blocker.stop(true)
+          }
+        })
       })
 
-      try {
-        const result = await findAvailablePort(startPort)
-        expect(result).toBe(startPort + 1)
-      } finally {
-        blocker.stop(true)
-      }
-    })
+      describe("findAvailablePort", () => {
+        it("#given start port available #when finding port #then returns start port", async () => {
+          const startPort = await findContiguousAvailableStart(1)
+          const result = await findAvailablePort(startPort)
+          expect(result).toBe(startPort)
+        })
 
-    it("#given multiple ports blocked #when finding port #then skips all blocked", async () => {
-      const startPort = 59993
-      const blockers = [
-        Bun.serve({ port: startPort, hostname: "127.0.0.1", fetch: () => new Response() }),
-        Bun.serve({ port: startPort + 1, hostname: "127.0.0.1", fetch: () => new Response() }),
-        Bun.serve({ port: startPort + 2, hostname: "127.0.0.1", fetch: () => new Response() }),
-      ]
+        it("#given start port blocked #when finding port #then returns next available", async () => {
+          const startPort = await findContiguousAvailableStart(2)
+          const blocker = startRealBlocker(startPort)
 
-      try {
-        const result = await findAvailablePort(startPort)
-        expect(result).toBe(startPort + 3)
-      } finally {
-        blockers.forEach((b) => b.stop(true))
-      }
-    })
-  })
+          try {
+            const result = await findAvailablePort(startPort)
+            expect(result).toBe(startPort + 1)
+          } finally {
+            blocker.stop(true)
+          }
+        })
 
-  describe("getAvailableServerPort", () => {
-    it("#given preferred port available #when getting port #then returns preferred with wasAutoSelected=false", async () => {
-      const preferredPort = 59990
-      const result = await getAvailableServerPort(preferredPort)
-      expect(result.port).toBe(preferredPort)
-      expect(result.wasAutoSelected).toBe(false)
-    })
+        it("#given multiple ports blocked #when finding port #then skips all blocked", async () => {
+          const startPort = await findContiguousAvailableStart(4)
+          const blockers = [
+            startRealBlocker(startPort),
+            startRealBlocker(startPort + 1),
+            startRealBlocker(startPort + 2),
+          ]
 
-    it("#given preferred port blocked #when getting port #then returns alternative with wasAutoSelected=true", async () => {
-      const preferredPort = 59989
-      const blocker = Bun.serve({
-        port: preferredPort,
-        hostname: "127.0.0.1",
-        fetch: () => new Response("blocked"),
+          try {
+            const result = await findAvailablePort(startPort)
+            expect(result).toBe(startPort + 3)
+          } finally {
+            blockers.forEach((blocker) => blocker.stop(true))
+          }
+        })
       })
 
-      try {
-        const result = await getAvailableServerPort(preferredPort)
-        expect(result.port).toBeGreaterThan(preferredPort)
-        expect(result.wasAutoSelected).toBe(true)
-      } finally {
-        blocker.stop(true)
-      }
+      describe("getAvailableServerPort", () => {
+        it("#given preferred port available #when getting port #then returns preferred with wasAutoSelected=false", async () => {
+          const preferredPort = await findContiguousAvailableStart(1)
+          const result = await getAvailableServerPort(preferredPort)
+          expect(result.port).toBe(preferredPort)
+          expect(result.wasAutoSelected).toBe(false)
+        })
+
+        it("#given preferred port blocked #when getting port #then returns alternative with wasAutoSelected=true", async () => {
+          const preferredPort = await findContiguousAvailableStart(2)
+          const blocker = startRealBlocker(preferredPort)
+
+          try {
+            const result = await getAvailableServerPort(preferredPort)
+            expect(result.port).toBe(preferredPort + 1)
+            expect(result.wasAutoSelected).toBe(true)
+          } finally {
+            blocker.stop(true)
+          }
+        })
+      })
     })
-  })
+  } else {
+    const blockedSockets = new Set<string>()
+    let serveSpy: ReturnType<typeof spyOn>
+
+    function getSocketKey(port: number, hostname: string): string {
+      return `${hostname}:${port}`
+    }
+
+    beforeEach(() => {
+      blockedSockets.clear()
+      serveSpy = spyOn(Bun, "serve").mockImplementation(({ port, hostname }) => {
+        if (typeof port !== "number") {
+          throw new Error("Test expected numeric port")
+        }
+        const resolvedHostname = typeof hostname === "string" ? hostname : HOSTNAME
+        const socketKey = getSocketKey(port, resolvedHostname)
+
+        if (blockedSockets.has(socketKey)) {
+          const error = new Error(`Failed to start server. Is port ${port} in use?`) as Error & {
+            code?: string
+            syscall?: string
+            errno?: number
+            address?: string
+            port?: number
+          }
+          error.code = "EADDRINUSE"
+          error.syscall = "listen"
+          error.errno = 0
+          error.address = resolvedHostname
+          error.port = port
+          throw error
+        }
+
+        blockedSockets.add(socketKey)
+        return {
+          stop: (_force?: boolean) => {
+            blockedSockets.delete(socketKey)
+          },
+        } as { stop: (force?: boolean) => void }
+      })
+    })
+
+    afterEach(() => {
+      expect(blockedSockets.size).toBe(0)
+      serveSpy.mockRestore()
+      blockedSockets.clear()
+    })
+
+    describe("with mocked sockets fallback", () => {
+      describe("isPortAvailable", () => {
+        it("#given unused port #when checking availability #then returns true", async () => {
+          const port = 59999
+
+          const result = await isPortAvailable(port)
+          expect(result).toBe(true)
+          expect(blockedSockets.size).toBe(0)
+        })
+
+        it("#given port in use #when checking availability #then returns false", async () => {
+          const port = 59998
+          const blocker = Bun.serve({
+            port,
+            hostname: HOSTNAME,
+            fetch: () => new Response("blocked"),
+          })
+
+          try {
+            const result = await isPortAvailable(port)
+            expect(result).toBe(false)
+          } finally {
+            blocker.stop(true)
+          }
+        })
+
+        it("#given custom hostname #when checking availability #then passes hostname through to Bun.serve", async () => {
+          const hostname = "192.0.2.10"
+          await isPortAvailable(59995, hostname)
+
+          expect(serveSpy.mock.calls[0]?.[0]?.hostname).toBe(hostname)
+        })
+      })
+
+      describe("findAvailablePort", () => {
+        it("#given start port available #when finding port #then returns start port", async () => {
+          const startPort = 59997
+          const result = await findAvailablePort(startPort)
+          expect(result).toBe(startPort)
+        })
+
+        it("#given start port blocked #when finding port #then returns next available", async () => {
+          const startPort = 59996
+          const blocker = Bun.serve({
+            port: startPort,
+            hostname: HOSTNAME,
+            fetch: () => new Response("blocked"),
+          })
+
+          try {
+            const result = await findAvailablePort(startPort)
+            expect(result).toBe(startPort + 1)
+          } finally {
+            blocker.stop(true)
+          }
+        })
+
+        it("#given multiple ports blocked #when finding port #then skips all blocked", async () => {
+          const startPort = 59993
+          const blockers = [
+            Bun.serve({ port: startPort, hostname: HOSTNAME, fetch: () => new Response() }),
+            Bun.serve({ port: startPort + 1, hostname: HOSTNAME, fetch: () => new Response() }),
+            Bun.serve({ port: startPort + 2, hostname: HOSTNAME, fetch: () => new Response() }),
+          ]
+
+          try {
+            const result = await findAvailablePort(startPort)
+            expect(result).toBe(startPort + 3)
+          } finally {
+            blockers.forEach((blocker) => blocker.stop(true))
+          }
+        })
+      })
+
+      describe("getAvailableServerPort", () => {
+        it("#given preferred port available #when getting port #then returns preferred with wasAutoSelected=false", async () => {
+          const preferredPort = 59990
+          const result = await getAvailableServerPort(preferredPort)
+          expect(result.port).toBe(preferredPort)
+          expect(result.wasAutoSelected).toBe(false)
+        })
+
+        it("#given preferred port blocked #when getting port #then returns alternative with wasAutoSelected=true", async () => {
+          const preferredPort = 59989
+          const blocker = Bun.serve({
+            port: preferredPort,
+            hostname: HOSTNAME,
+            fetch: () => new Response("blocked"),
+          })
+
+          try {
+            const result = await getAvailableServerPort(preferredPort)
+            expect(result.port).toBe(preferredPort + 1)
+            expect(result.wasAutoSelected).toBe(true)
+          } finally {
+            blocker.stop(true)
+          }
+        })
+      })
+    })
+  }
 
   describe("DEFAULT_SERVER_PORT", () => {
     it("#given constant #when accessed #then returns 4096", () => {

src/tools/hashline-edit/edit-operations.ts

@@ -11,6 +11,14 @@ import {
 } from "./edit-operation-primitives"
 import { validateLineRefs } from "./validation"
 
+function arraysEqual(a: string[], b: string[]): boolean {
+  if (a.length !== b.length) return false
+  for (let i = 0; i < a.length; i++) {
+    if (a[i] !== b[i]) return false
+  }
+  return true
+}
+
 export interface HashlineApplyReport {
   content: string
   noopEdits: number
@@ -51,7 +59,7 @@ export function applyHashlineEditsWithReport(content: string, edits: HashlineEdi
         const next = edit.end
           ? applyReplaceLines(lines, edit.pos, edit.end, edit.lines, { skipValidation: true })
           : applySetLine(lines, edit.pos, edit.lines, { skipValidation: true })
-        if (next.join("\n") === lines.join("\n")) {
+        if (arraysEqual(next, lines)) {
           noopEdits += 1
           break
         }
@@ -62,7 +70,7 @@ export function applyHashlineEditsWithReport(content: string, edits: HashlineEdi
         const next = edit.pos
           ? applyInsertAfter(lines, edit.pos, edit.lines, { skipValidation: true })
           : applyAppend(lines, edit.lines)
-        if (next.join("\n") === lines.join("\n")) {
+        if (arraysEqual(next, lines)) {
           noopEdits += 1
           break
         }
@@ -73,7 +81,7 @@ export function applyHashlineEditsWithReport(content: string, edits: HashlineEdi
         const next = edit.pos
           ? applyInsertBefore(lines, edit.pos, edit.lines, { skipValidation: true })
           : applyPrepend(lines, edit.lines)
-        if (next.join("\n") === lines.join("\n")) {
+        if (arraysEqual(next, lines)) {
           noopEdits += 1
           break
         }

src/tools/hashline-edit/hash-computation.ts

@@ -86,15 +86,17 @@ export async function* streamHashLinesFromUtf8(
     pending += text
     const chunksToYield: string[] = []
 
+    let lastIdx = 0
     while (true) {
-      const idx = pending.indexOf("\n")
+      const idx = pending.indexOf("\n", lastIdx)
       if (idx === -1) break
-      const line = pending.slice(0, idx)
-      pending = pending.slice(idx + 1)
+      const line = pending.slice(lastIdx, idx)
+      lastIdx = idx + 1
       endedWithNewline = true
       chunksToYield.push(...pushLine(line))
     }
 
+    pending = pending.slice(lastIdx)
     if (pending.length > 0) endedWithNewline = false
     return chunksToYield
   }

src/tools/hashline-edit/hashline-edit-diff.ts

@@ -4,7 +4,7 @@ export function generateHashlineDiff(oldContent: string, newContent: string, fil
   const oldLines = oldContent.split("\n")
   const newLines = newContent.split("\n")
 
-  let diff = `--- ${filePath}\n+++ ${filePath}\n`
+  const parts: string[] = [`--- ${filePath}\n+++ ${filePath}\n`]
   const maxLines = Math.max(oldLines.length, newLines.length)
 
   for (let i = 0; i < maxLines; i += 1) {
@@ -14,18 +14,18 @@ export function generateHashlineDiff(oldContent: string, newContent: string, fil
     const hash = computeLineHash(lineNum, newLine)
 
     if (i >= oldLines.length) {
-      diff += `+ ${lineNum}#${hash}|${newLine}\n`
+      parts.push(`+ ${lineNum}#${hash}|${newLine}\n`)
       continue
     }
     if (i >= newLines.length) {
-      diff += `- ${lineNum}#  |${oldLine}\n`
+      parts.push(`- ${lineNum}#  |${oldLine}\n`)
       continue
     }
     if (oldLine !== newLine) {
-      diff += `- ${lineNum}#  |${oldLine}\n`
-      diff += `+ ${lineNum}#${hash}|${newLine}\n`
+      parts.push(`- ${lineNum}#  |${oldLine}\n`)
+      parts.push(`+ ${lineNum}#${hash}|${newLine}\n`)
     }
   }
 
-  return diff
+  return parts.join("")
 }

src/tools/task/task-list.ts

@@ -45,6 +45,8 @@ Returns summary format: id, subject, status, owner, blockedBy (not full descript
         }
       }
 
+      const taskMap = new Map(allTasks.map((t) => [t.id, t]))
+
       // Filter out completed and deleted tasks
       const activeTasks = allTasks.filter(
         (task) => task.status !== "completed" && task.status !== "deleted"
@@ -54,7 +56,7 @@ Returns summary format: id, subject, status, owner, blockedBy (not full descript
       const summaries: TaskSummary[] = activeTasks.map((task) => {
         // Filter blockedBy to only include unresolved (non-completed) blockers
         const unresolvedBlockers = task.blockedBy.filter((blockerId) => {
-          const blockerTask = allTasks.find((t) => t.id === blockerId)
+          const blockerTask = taskMap.get(blockerId)
           // Include if blocker doesn't exist (missing) or if it's not completed
           return !blockerTask || blockerTask.status !== "completed"
         })