feat(topic-fence): Phase 2 — topic drift detection (F1=0.900)#246

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lizable wants to merge 22 commits intomksglu:nextfrom

lizable:feature/topic-fence

Commits on Apr 5, 2026

docs: add Cursor additional_context upstream limitation to README
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Commits on Apr 6, 2026

ci: update install stats
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Commits on Apr 7, 2026

ci: update install stats
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Commits on Apr 8, 2026

Commits on Apr 9, 2026

Commits on Apr 10, 2026

ci: update install stats
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feat(topic-fence): Phase 1 — topic signal extraction

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docs(topic-fence): phased plan, purpose, and design notes

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docs(topic-fence): Phase 2 drift scoring spec + empirical validation

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docs(topic-fence): Phase 2 implementation plan

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feat(topic-fence): add extended stopwords and Porter-inspired stemmer
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feat(topic-fence): apply Path A tokenization in extractKeywords
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feat(topic-fence): add Phase 2 env var config and clamp helpers
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feat(topic-fence): implement scoreDrift with 2-consecutive-pair rule
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test(topic-fence): add defensive scoreDrift tests U7-U11
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feat(session-db): add recent option to getEvents for reverse-ordered queries
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feat(topic-fence): wire drift scoring into extractUserEvents
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feat(topic-fence): query topic history in UserPromptSubmit hook
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test(topic-fence): add Path A fidelity check against eval-drift reference
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Commits on Apr 11, 2026

test(topic-fence): consolidate tests into session-extract.test.ts
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