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

app/routers/pages.py

@@ -0,0 +1,50 @@
+"""Frontend page routes — serve Jinja2 HTML templates for the SPA-like dashboard."""
+
+from __future__ import annotations
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from fastapi import APIRouter, Request
+from fastapi.responses import HTMLResponse
+from fastapi.templating import Jinja2Templates
+
+router = APIRouter(tags=["pages"])
+
+templates = Jinja2Templates(directory=str(Path(__file__).resolve().parent.parent / "templates"))
+
+
+@router.get("/login", response_class=HTMLResponse)
+async def login_page(request: Request):
+    return templates.TemplateResponse(request, "login.html")
+
+
+@router.get("/dashboard/cs", response_class=HTMLResponse)
+async def cs_dashboard(request: Request):
+    return templates.TemplateResponse(request, "dashboard/cs.html")
+
+
+@router.get("/dashboard/fm", response_class=HTMLResponse)
+async def fm_dashboard(request: Request):
+    return templates.TemplateResponse(request, "dashboard/fm.html")
+
+
+@router.get("/dashboard/ceo", response_class=HTMLResponse)
+async def ceo_dashboard(request: Request):
+    return templates.TemplateResponse(request, "dashboard/ceo.html")
+
+
+@router.get("/tickets", response_class=HTMLResponse)
+async def ticket_list(request: Request):
+    return templates.TemplateResponse(request, "tickets/list.html")
+
+
+@router.get("/tickets/new", response_class=HTMLResponse)
+async def create_ticket_page(request: Request):
+    return templates.TemplateResponse(request, "tickets/new.html")
+
+
+@router.get("/tickets/{ticket_id}", response_class=HTMLResponse)
+async def ticket_detail_page(request: Request, ticket_id: int):
+    return templates.TemplateResponse(request, "tickets/detail.html", context={"ticket_id": ticket_id})