Hardened db.ts — added statement_timeout: 30000, idle_in_transaction_session_timeout: 10000, created transaction() helper (BEGIN/COMMIT/ROLLBACK).
Multi-step API routes wrapped in transactions — Events POST, Conversations POST use atomic blocks.
Fixed leads pagination — status filter pushed into SQL WHERE (no client-side filtering after LIMIT/OFFSET), added SELECT COUNT(*) for total.
Rewrote dashboard — SQL aggregations (COUNT + GROUP BY + date_trunc) replace loading all leads into memory.
Optimized conversations GET — merged duplicate correlated subqueries into single LEFT JOIN LATERAL.
Created migration 021_performance_indexes.sql — 8 missing indexes + set_session_user_context() function caching current_user_hierarchy_level() as session variable (avoids per-query RLS join).
Fixed build error — duplicate const other in conversations route. Also fixed a TypeScript never error in dashboard breakdown map.
Verified — npx tsc --noEmit clean, npm test (13 pass, 7 integration skip gracefully), npx next build succeeds.
- scripts/run-migrations.mjs: auto-applies unapplied .sql files on
npm run dev/setup via psql, tracks state in _migrations table
- 020_fixes.sql: sets password_change_required=FALSE for all users,
fixes audit_password_change UUID cast, re-enables trigger
- package.json: hook migrations into dev:precheck
- setup.mjs: hook into npm run setup
- run_all.sql: add 020_fixes.sql to migration order
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