update

backend/routes.py

@@ -24,7 +24,7 @@ from models import (
     GuideChatRequest, GuideChatResponse,
     ProgressUpdate, ProgressResponse, ProjectResponse, ProviderInfo,
 )
-from paths import bausteine_path, bausteine_topics, guide_content_path, project_dir
+from paths import bausteine_path, bausteine_topics, guide_content_path, project_dir, topic_dir
 
 router = APIRouter(prefix="/api")
 
@@ -54,6 +54,7 @@ async def add_topic(req: TopicCreateRequest):
 @router.delete("/topics")
 async def remove_topic(topic: str):
     await delete_topic(topic)
+    shutil.rmtree(topic_dir(topic), ignore_errors=True)
     return {"ok": True}