fix: resolve all flake8 lint errors (118 → 0)

src/api/project_routes.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict
 
 from fastapi import APIRouter, HTTPException, Query
 
@@ -76,7 +76,7 @@ async def list_projects():
 async def create_project(body: Dict[str, Any]):
     reg = _registry()
     try:
-        info = reg.create_project(
+        reg.create_project(
             body["id"], body["name"],
             agents=body.get("agents", []),
             description=body.get("description", ""),