fix: clear design cache when activating a design

backend/app/api/design_generator.py

@@ -11,6 +11,7 @@ from fastapi import APIRouter, HTTPException
 from pydantic import BaseModel
 
 from app.config import get_settings
+from app.api.designs import design_service
 
 router = APIRouter()
 settings = get_settings()
@@ -194,6 +195,9 @@ async def activate_design(slug: str):
     content = content.replace("status: draft", "status: active")
     metadata_path.write_text(content)
 
+    # Clear the design service cache so the new status is picked up
+    design_service.clear_cache()
+
     return {"status": "activated", "slug": slug}