feat: add API routers for network, tasks, calendar, and services

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/routers/calendar.py

@@ -0,0 +1,15 @@
+from datetime import datetime, timedelta
+from fastapi import APIRouter, Query
+
+router = APIRouter(prefix="/api/calendar", tags=["calendar"])
+
+
+@router.get("/events")
+async def get_events(
+    days: int = Query(default=7, ge=1, le=30),
+):
+    from main import odoo_client
+    today = datetime.now().strftime("%Y-%m-%d")
+    end = (datetime.now() + timedelta(days=days)).strftime("%Y-%m-%d")
+    events = await odoo_client.get_calendar_events(date_from=today, date_to=end)
+    return {"events": events, "date_from": today, "date_to": end}