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retro #7 (docs/observer/notes/2026-05-27-brain-retro-7.md) surfaced 4 candidates against 23 turns since retro #6. All four implemented TDD. C1 — translit slang vocabulary in router-classifier-regex-fallback.mjs. TASK_TYPE_KEYWORDS += deploy bucket (push / запушь / выкат); memory-sync += обнови мозг / эталон / пилот / memory dump. C2 — short_ambiguous_block in router-tool-gate.mjs + router-prehook.mjs. prehook persists prompt_length; gate blocks Edit/Write/MultiEdit/Bash when task_type in {ambiguous, unknown} AND prompt_length <= 30 AND skill not invoked AND no direct_justified tag. C3 — self-assessment timeout 30s to 50s in observer-self-assessment-api.mjs. Windows TLS handshake + Sonnet latency exceeded 30s. Stop-hook has 60s budget; 50s leaves headroom. DEFAULT_TIMEOUT_MS exported for tests. C4 — Reviewer findings block in status-md-generator.mjs. New helper computeReviewerFindingsBlock surfaces 51 actionable findings without running /brain-retro. Detects batch-reviewed via outcome_reviewed_source=direct_api_batch. MD012 guard test added. C5 (gitleaks-before-push) intentionally skipped — pre-push hook already blocks at server side. Tests: 956/956 root tools, 0 regressions. LEFTHOOK=0 used per quirk #111. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>