feat: add generated-code leakage detector - #340
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Flags production source files that import from generated, mock, fixture, or test directories (__generated__, __mocks__, __fixtures__, fixtures/, test-utils/, .mock.ts, .generated.ts) and files with @generated headers. - Path-based detection (high confidence 0.85) for known generated/test directory patterns and file suffixes - Content-based detection (confidence 0.75) for @generated markers in the first 500 chars of resolved import targets - Excludes test files (.test, .spec, .stories, __tests__/) from flagging - Added to core and ai-assisted-maintainer packs - 12 test cases covering positive detections and false-positive guards Closes ColumbusLabs#313 Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
Implements the generated-code leakage detector requested in #313.
Flags production source files that import from generated, mock, fixture, or test directories — the defining failure mode of AI-scaffolded codebases where a mock or fixture import leaks into the production bundle.
Detection strategy
__generated__/,__mocks__/,__tests__/,__snapshots__/,__fixtures__/,fixtures/,test-utils/,testing/,.fixtures/,.mocks/, and file suffixes.mock.*,.generated.*.@generatedorAUTO-GENERATEDmarkers in the first 500 characters..test.*,.spec.*,.stories.*and files inside test directories) are never flagged — these are expected to consume fixtures.Pack membership
Added to
coreandai-assisted-maintainerpacks, since this debt pattern is common in all TS/JS codebases and especially prevalent in AI-assisted development.Rule ID
generated-code-leakageTests
12 test cases covering:
__generated__,__mocks__,__fixtures__,fixtures/,.mock.ts,@generatedheaderValidation
Existing detector tests (
storyOnlyComponent,deadAbstraction) pass unchanged.Closes #313
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