- Fix pg-boss Job type imports (PgBoss.Job -> Job from pg-boss)
- Replace deprecated teamConcurrency with localConcurrency
- Add null checks for possibly undefined values (clients, import rows)
- Fix tone type narrowing in profile.ts
- Fix test type assertions (non-null assertions, explicit Record types)
- Extract auth middleware into shared module
- Fix rate limiter Map generic type
- Email templates: CRUD API with categories, placeholders ({{firstName}}, etc.), usage tracking, default per category
- Client segments: save filtered views with multi-criteria filters (stage, tags, industry, city, state, contact dates, email/phone presence)
- Segment preview: test filters before saving, returns matching client list
- Filter options: GET /api/segments/filter-options returns unique values for all filterable fields
- New tables: email_templates, client_segments (auto-created via db:push)
