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feat(FN-882): add loop detection recovery with compact-and-resume

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- Add ContextLimitDetector to detect agent loops via repeated tool call patterns
- Implement compact-and-resume strategy: summarize conversation and restart agent from current step
- Add loop recovery to StuckTaskDetector with configurable attempt tracking and retry limits
- Extend executor with automatic loop recovery on context limit detection
- Add loop recovery support to pi executor with same compact-and-resume pattern
- Add comprehensive tests for context-limit-detector, stuck-task-detector loop detection, executor, and pi recovery
- Add changeset for patch bump to @gsxdsm/fusion
- Update README with loop detection and recovery documentation
This commit is contained in:
gsxdsm
2026-04-04 19:47:48 -07:00
parent c0b1c2ae30
commit 4c2be10d73
12 changed files with 846 additions and 6 deletions
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packages/engine/package.json
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@@ -19,7 +19,7 @@
"build": "tsc",
"typecheck": "tsc --noEmit",
"test": "vitest run --exclude src/executor.test.ts && pnpm run test:executor",
"test:executor": "vitest run src/executor.test.ts -t \"TaskExecutor with semaphore|TaskExecutor worktreeInitCommand|TaskExecutor worktree naming\" && vitest run src/executor.test.ts -t \"TaskExecutor worktree recovery\" && vitest run src/executor.test.ts -t \"TaskExecutor dependency-based worktree creation\" && vitest run src/executor.test.ts -t \"TaskExecutor worktree pool integration|WorktreePool capacity|Merger worktree pool integration\" && vitest run src/executor.test.ts -t \"buildExecutionPrompt|summarizeToolArgs|TaskExecutor pause behavior|TaskExecutor global pause behavior|TaskExecutor enginePaused soft pause\" && vitest run src/executor.test.ts -t \"Code review verdict|RETHINK verdict handling|Plan RETHINK verdict handling|E2E review pipeline|task_add_dep tool|TaskExecutor usage limit detection|Per-task model overrides|Invalid transition error handling|TaskExecutor task_done with summary|Workflow Steps Execution|Real-time steering injection\""
"test:executor": "vitest run src/executor.test.ts -t \"TaskExecutor with semaphore|TaskExecutor worktreeInitCommand|TaskExecutor worktree naming\" && vitest run src/executor.test.ts -t \"TaskExecutor worktree recovery\" && vitest run src/executor.test.ts -t \"TaskExecutor dependency-based worktree creation\" && vitest run src/executor.test.ts -t \"TaskExecutor worktree pool integration|WorktreePool capacity|Merger worktree pool integration\" && vitest run src/executor.test.ts -t \"buildExecutionPrompt|summarizeToolArgs|TaskExecutor pause behavior|TaskExecutor global pause behavior|TaskExecutor enginePaused soft pause\" && vitest run src/executor.test.ts -t \"Code review verdict|RETHINK verdict handling|Plan RETHINK verdict handling|E2E review pipeline|task_add_dep tool|TaskExecutor usage limit detection|Per-task model overrides|Invalid transition error handling|TaskExecutor task_done with summary|Workflow Steps Execution|Real-time steering injection|TaskExecutor loop recovery\""
},
"dependencies": {
"@fusion/core": "workspace:*",