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PR1 of Phase B per docs/superpowers/specs/2026-04-28-phase-b-insights-alerts-design.md. Lays the foundation that PRs 2-10 will fill in with behaviour. Schema (migration 0014): - alerts table with rule-engine fields (rule_id, severity, link, entity_type/id, fingerprint, fired/dismissed/acknowledged/resolved timestamps, jsonb metadata). Partial-unique fingerprint index keeps one open row per (port, rule, entity); separate indexes power severity-filtered and time-ordered queries. - analytics_snapshots (port_id, metric_id) -> jsonb cache + computedAt for the 15-min recurring refresh. - expenses: duplicate_of self-FK, dedup_scanned_at, ocr_status/raw/ confidence; partial index on (port, vendor, amount, date) where duplicate_of IS NULL drives the dedup heuristic. - audit_logs.search_text: GENERATED ALWAYS tsvector over action+entity_type+entity_id+user_id, GIN-indexed (drizzle can't model GENERATED ALWAYS in TS yet, so the migration appends manual ALTER + the GIN index). Service skeletons in src/lib/services/: - alerts.service.ts: fingerprintFor, reconcileAlertsForPort (upsert + auto-resolve), dismiss, acknowledge, listAlertsForPort. - alert-rules.ts: RULE_REGISTRY of 10 rule evaluators (currently no-op); PR2 fills in the bodies. - analytics.service.ts: readSnapshot/writeSnapshot with 15-min TTL + no-op compute* stubs for the four chart series; PR3 fills behavior. - expense-dedup.service.ts: scanForDuplicates + markBestDuplicate using the partial dedup index. PR8 wires the BullMQ trigger. - expense-ocr.service.ts: OcrResult/OcrLineItem types + ocrReceipt stub. PR9 wires Claude Vision (Haiku 4.5 + ephemeral system-prompt cache). - audit-search.service.ts: tsvector @@ plainto_tsquery + cursor pagination on (createdAt, id). PR10 wires the admin UI. tsc clean, lint clean, vitest 675/675 (one unrelated AES random-output flake passes solo). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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