refactor: update relative imports to resolve pathing issues after project restructuring

server/app.py

@@ -3,7 +3,7 @@ import uvicorn
 from fastapi import FastAPI, HTTPException, Query
 from fastapi.middleware.cors import CORSMiddleware
 
-from .server.models import CodeReviewAction, CodeReviewState, StepResponse, ResetResponse
+from .models import CodeReviewAction, CodeReviewState, StepResponse, ResetResponse
 from .environment import CodeReviewEnvironment
 
 app = FastAPI(

server/environment.py

@@ -1,5 +1,5 @@
 from typing import Dict, Any, Tuple, Optional
-from .server.models import CodeReviewAction, CodeReviewObservation, CodeReviewState
+from .models import CodeReviewAction, CodeReviewObservation, CodeReviewState
 
 MAX_STEPS = 3