Initial commit: Happy Up monorepo through Sprint 5.

Document-driven MVP with FastAPI backend, Vue H5, WeChat mini shell, product demo, and Docker dev stack.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/app/routers/admin.py

@@ -0,0 +1,20 @@
+from fastapi import APIRouter, Depends, Request
+from sqlalchemy.orm import Session
+
+from app.core.response import ok
+from app.db.models import User
+from app.db.session import get_db
+from app.deps import require_staff
+from app.services import admin as admin_service
+
+router = APIRouter(prefix="/api/admin", tags=["Admin"])
+
+
+@router.get("/dashboard")
+def admin_dashboard(
+    request: Request,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_staff),
+):
+    metrics = admin_service.get_dashboard_metrics(db, tenant_id=current_user.tenant_id)
+    return ok(metrics, request_id=request.state.request_id)