Add SOLD OUT badge and improve deployment docs

- Add SOLD OUT overlay on car detail page image
- Add SOLD OUT badge next to car name
- Add Sold Out status in Admin Cars detail view
- Add soldout field to Car TypeScript interface
- Create PRODUCTION_VALUES.md for deployment reference
- Update CLAUDE.md with CRITICAL deployment section
- Update TROUBLESHOOTING.md with recurring errors

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/app/api/vehicle_requests.py

@@ -4,7 +4,7 @@ from typing import List
 from datetime import datetime, timedelta
 
 from ..database import get_db
-from ..models import VehicleRequest, RequestVehicle, PurchasedVehicle, User, DealerInfo, SystemSettings
+from ..models import VehicleRequest, RequestVehicle, PurchasedVehicle, User, DealerInfo, SystemSettings, Car
 from ..schemas import (
     VehicleRequestCreate, VehicleRequestResponse,
     RequestVehicleCreate, RequestVehicleResponse, RequestVehicleApprove,
@@ -100,9 +100,21 @@ def get_my_requests(
         else:
             approved_vehicles = []
 
+        # Enrich approved vehicles with latest soldout status from cars table
+        enriched_vehicles = []
+        for v in approved_vehicles:
+            vehicle_response = RequestVehicleResponse.model_validate(v)
+            # Get latest soldout status from cars table
+            if v.car_id:
+                car = db.query(Car).filter(Car.id == v.car_id).first()
+                if car:
+                    # Add soldout status to car_data
+                    vehicle_response.car_data = {**vehicle_response.car_data, "soldout": car.soldout}
+            enriched_vehicles.append(vehicle_response)
+
         result.append(VehicleRequestWithVehicles(
             request=VehicleRequestResponse.model_validate(req),
-            approved_vehicles=[RequestVehicleResponse.model_validate(v) for v in approved_vehicles]
+            approved_vehicles=enriched_vehicles
         ))
 
     return result
@@ -189,9 +201,30 @@ def admin_get_request_detail(
     if not request:
         raise HTTPException(status_code=404, detail="Request not found")
 
+    # Import CarPerformanceCheck for PDF status
+    from ..models import CarPerformanceCheck
+
+    # Enrich with PDF status and soldout
+    enriched_vehicles = []
+    for v in request.recommended_vehicles:
+        vehicle_response = RequestVehicleResponse.model_validate(v)
+
+        # Get PDF status and soldout from car
+        if v.car_id:
+            car = db.query(Car).filter(Car.id == v.car_id).first()
+            perf_check = db.query(CarPerformanceCheck).filter(CarPerformanceCheck.car_id == v.car_id).first()
+
+            vehicle_response.car_data = {
+                **vehicle_response.car_data,
+                "soldout": car.soldout if car else False,
+                "has_pdf": bool(perf_check and perf_check.pdf_path),
+                "check_num": perf_check.check_number if perf_check else None,
+            }
+        enriched_vehicles.append(vehicle_response)
+
     return VehicleRequestWithVehicles(
         request=VehicleRequestResponse.model_validate(request),
-        approved_vehicles=[RequestVehicleResponse.model_validate(v) for v in request.recommended_vehicles]
+        approved_vehicles=enriched_vehicles
     )
 
 
@@ -202,7 +235,7 @@ def admin_add_vehicle(
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db)
 ):
-    """Admin: Add a vehicle to a request"""
+    """Admin: Add a vehicle to a request (also imports to cars table)"""
     if not current_user.is_admin:
         raise HTTPException(status_code=403, detail="Admin access required")
 
@@ -210,9 +243,51 @@ def admin_add_vehicle(
     if not request:
         raise HTTPException(status_code=404, detail="Request not found")
 
+    # Extract car data
+    car_data = vehicle_data.car_data
+    source_id = str(car_data.get("id", ""))
+
+    # Check if car already exists in cars table
+    existing_car = None
+    if source_id:
+        existing_car = db.query(Car).filter(
+            Car.source == "carmodoo",
+            Car.source_id == source_id
+        ).first()
+
+    car_id = None
+    if existing_car:
+        car_id = existing_car.id
+    elif source_id:
+        # Create new car record from car_data
+        new_car = Car(
+            source="carmodoo",
+            source_id=source_id,
+            car_name=car_data.get("car_name", ""),
+            year=car_data.get("year"),
+            mileage=car_data.get("mileage"),
+            price_krw=car_data.get("original_price"),
+            fuel=car_data.get("fuel"),
+            transmission=car_data.get("transmission"),
+            color=car_data.get("color"),
+            displacement=car_data.get("displacement"),
+            margin_krw=car_data.get("korea_margin"),
+            margin_mn=car_data.get("mongolia_margin"),
+            check_num=car_data.get("check_num"),
+            is_displayed=True,  # Displayed so user can view recommended car
+            status="active"
+        )
+        db.add(new_car)
+        db.flush()
+        car_id = new_car.id
+
+        # Update car_data with local car_id for frontend
+        car_data["local_car_id"] = car_id
+
     vehicle = RequestVehicle(
         request_id=request_id,
-        car_data=vehicle_data.car_data,
+        car_id=car_id,
+        car_data=car_data,
         is_approved=vehicle_data.is_approved,
         approved_at=datetime.utcnow() if vehicle_data.is_approved else None
     )