feat: Rebuild as Court Manager Dashboard v2

- Complete rewrite for single Court Manager user
- Feature 1: Player Management (CRUD, ELO, skill level)
- Feature 2: Court Reservation (timeline, override)
- Feature 3: Match Event Builder (3-step wizard)
  - Step 1: Event setup with player selection + stage calculator
  - Step 2: Stage configurator (Open/Skill/RR/Tournament)
  - Step 3: Auto bracket generation
- Feature 4: Live Court View (main dashboard, 2x2 grid)
- Event Control: score entry, bracket advancement, court assignment
- Screen view: TV display per court (/screen/:id)
- Seed: 8 players, 4 courts, 1 completed + 1 active event
- Routes: / players courts events events/new events/:id screen/:id

backend/app/routers/courts.py

@@ -0,0 +1,81 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session, joinedload
+from typing import List
+from datetime import datetime
+from ..database import get_db
+from ..models import Court, CourtReservation
+from ..schemas import CourtCreate, CourtStatusUpdate, ReservationCreate, ReservationOut, CourtOut
+
+router = APIRouter(prefix="/api/courts", tags=["courts"])
+
+
+@router.get("/", response_model=List[CourtOut])
+def list_courts(db: Session = Depends(get_db)):
+    courts = db.query(Court).options(joinedload(Court.reservations).joinedload(CourtReservation.player)).all()
+    return courts
+
+
+@router.post("/", response_model=CourtOut)
+def create_court(data: CourtCreate, db: Session = Depends(get_db)):
+    court = Court(**data.model_dump())
+    db.add(court)
+    db.commit()
+    db.refresh(court)
+    return court
+
+
+@router.get("/{court_id}", response_model=CourtOut)
+def get_court(court_id: int, db: Session = Depends(get_db)):
+    court = db.query(Court).options(joinedload(Court.reservations).joinedload(CourtReservation.player)).filter(Court.id == court_id).first()
+    if not court:
+        raise HTTPException(status_code=404, detail="Court not found")
+    return court
+
+
+@router.patch("/{court_id}/status")
+def update_court_status(court_id: int, data: CourtStatusUpdate, db: Session = Depends(get_db)):
+    court = db.query(Court).filter(Court.id == court_id).first()
+    if not court:
+        raise HTTPException(status_code=404, detail="Court not found")
+    valid_statuses = ["available", "in_use", "reserved", "maintenance"]
+    if data.status not in valid_statuses:
+        raise HTTPException(status_code=400, detail=f"Status must be one of {valid_statuses}")
+    court.status = data.status
+    db.commit()
+    return {"ok": True, "status": data.status}
+
+
+@router.get("/{court_id}/reservations", response_model=List[ReservationOut])
+def list_reservations(court_id: int, db: Session = Depends(get_db)):
+    return db.query(CourtReservation).filter(CourtReservation.court_id == court_id).order_by(CourtReservation.start_time).all()
+
+
+@router.post("/{court_id}/reservations", response_model=ReservationOut)
+def create_reservation(court_id: int, data: ReservationCreate, db: Session = Depends(get_db)):
+    court = db.query(Court).filter(Court.id == court_id).first()
+    if not court:
+        raise HTTPException(status_code=404, detail="Court not found")
+    reservation = CourtReservation(court_id=court_id, **data.model_dump())
+    db.add(reservation)
+    # Update court status to reserved if it's currently available
+    if court.status == "available":
+        court.status = "reserved"
+    db.commit()
+    db.refresh(reservation)
+    return reservation
+
+
+@router.delete("/reservations/{reservation_id}")
+def delete_reservation(reservation_id: int, db: Session = Depends(get_db)):
+    reservation = db.query(CourtReservation).filter(CourtReservation.id == reservation_id).first()
+    if not reservation:
+        raise HTTPException(status_code=404, detail="Reservation not found")
+    court = db.query(Court).filter(Court.id == reservation.court_id).first()
+    db.delete(reservation)
+    db.commit()
+    # Check if court has any remaining reservations
+    remaining = db.query(CourtReservation).filter(CourtReservation.court_id == reservation.court_id).count()
+    if remaining == 0 and court and court.status == "reserved":
+        court.status = "available"
+        db.commit()
+    return {"ok": True}