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/players.py

@@ -0,0 +1,52 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List
+from ..database import get_db
+from ..models import Player
+from ..schemas import PlayerCreate, PlayerUpdate, PlayerOut
+
+router = APIRouter(prefix="/api/players", tags=["players"])
+
+
+@router.get("/", response_model=List[PlayerOut])
+def list_players(db: Session = Depends(get_db)):
+    return db.query(Player).order_by(Player.elo.desc()).all()
+
+
+@router.post("/", response_model=PlayerOut)
+def create_player(data: PlayerCreate, db: Session = Depends(get_db)):
+    player = Player(**data.model_dump())
+    db.add(player)
+    db.commit()
+    db.refresh(player)
+    return player
+
+
+@router.get("/{player_id}", response_model=PlayerOut)
+def get_player(player_id: int, db: Session = Depends(get_db)):
+    player = db.query(Player).filter(Player.id == player_id).first()
+    if not player:
+        raise HTTPException(status_code=404, detail="Player not found")
+    return player
+
+
+@router.put("/{player_id}", response_model=PlayerOut)
+def update_player(player_id: int, data: PlayerUpdate, db: Session = Depends(get_db)):
+    player = db.query(Player).filter(Player.id == player_id).first()
+    if not player:
+        raise HTTPException(status_code=404, detail="Player not found")
+    for k, v in data.model_dump(exclude_none=True).items():
+        setattr(player, k, v)
+    db.commit()
+    db.refresh(player)
+    return player
+
+
+@router.delete("/{player_id}")
+def delete_player(player_id: int, db: Session = Depends(get_db)):
+    player = db.query(Player).filter(Player.id == player_id).first()
+    if not player:
+        raise HTTPException(status_code=404, detail="Player not found")
+    db.delete(player)
+    db.commit()
+    return {"ok": True}