feat(config): load repo-root .env via python-dotenv

server/app.py

@@ -5,10 +5,13 @@ import time
 import uuid
 from typing import Literal, Optional
 
+from dotenv import load_dotenv
 from fastapi import Depends, FastAPI, Header, HTTPException, Response
 from pydantic import BaseModel, Field, model_validator
 
 
+load_dotenv(dotenv_path=".env", override=False)
+
 app = FastAPI(title="clickthrough", version="0.1.0")