feat(trash): /api/trash blueprint + flip REST DELETE handlers to soft-delete

src/fabledassistant/app.py

@@ -26,6 +26,7 @@ from fabledassistant.routes.search import search_bp
 from fabledassistant.routes.profile import profile_bp
 from fabledassistant.routes.knowledge import knowledge_bp
 from fabledassistant.routes.rulebooks import rulebooks_bp
+from fabledassistant.routes.trash import trash_bp
 from fabledassistant.mcp import mount_mcp
 
 STATIC_DIR = Path(__file__).parent / "static"
@@ -85,6 +86,7 @@ def create_app() -> Quart:
     app.register_blueprint(profile_bp)
     app.register_blueprint(knowledge_bp)
     app.register_blueprint(rulebooks_bp)
+    app.register_blueprint(trash_bp)
 
     @app.before_request
     async def before_request():