feat: Sprint 3 frontend dashboards with Alpine.js + Jinja2

- Login page with JWT auth and role-based redirect
- CS Dashboard: KPI cards, priority breakdown, recent tickets
- FM Dashboard: tech workload, aging analysis, emergency alerts
- CEO Dashboard: executive KPIs, charts, risk indicators
- All Issues: filterable/sortable ticket table with pagination
- Create Issue: form with category tree, property/unit selector, photo uploads
- Issue Detail: full timeline, photo gallery, SLA status, action modals
- Role-based nav bar: CS/FM/Executive links adapt to user role
- Base template: shared Alpine.js app state, toast notifications, loading overlay

AGENTS.md

@@ -53,6 +53,19 @@ Users, units, and categories are auto-seeded on first startup via lifespan hook:
 | POST | `/api/whatsapp/mock` | No | Mock WhatsApp |
 | GET | `/api/whatsapp/mock-log` | No | Recent mock submissions |
 
+### Pages (Sprint 3) — Jinja2 templates at `app/templates/`
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| GET | `/login` | No | Login page |
+| GET | `/dashboard/cs` | Client | CS dashboard |
+| GET | `/dashboard/fm` | Client | FM dashboard |
+| GET | `/dashboard/ceo` | Client | CEO dashboard |
+| GET | `/tickets` | Client | All Issues filterable table |
+| GET | `/tickets/new` | Client | Create Issue form |
+| GET | `/tickets/{id}` | Client | Issue detail with timeline |
+
+Frontend: Alpine.js (CDN) + Tailwind CSS (CDN). Auth state in localStorage. Role-based nav routing in `base.html`.
+
 ### Tickets (Sprint 2)
 | Method | Path | Auth | Description |
 |--------|------|------|-------------|