Etape 1 OK, sans optionnel

backend/app/schemas/api.py

@@ -1,14 +1,27 @@
 from pydantic import BaseModel
-from typing import Optional, Any
+from typing import Optional, Any, List, Dict
 
 
 class WorkflowRequest(BaseModel):
     user_input: str
-
+    user_feedback: Optional[str] = None
+    chat_history: Optional[List[Dict[str, str]]] = []
+    spec: Optional[dict] = {}
+    status: Optional[str] = "start"
+    loop_count: Optional[int] = 0
+    existing_project: Optional[Any] = None
+    generated_code: Optional[Any] = None
+    qa_result: Optional[Any] = None
+    is_completed: Optional[bool] = False
 
 class WorkflowResponse(BaseModel):
+    user_input: str
+    user_feedback: Optional[str] = None
+    chat_history: Optional[List[Dict[str, str]]] = []
+    spec: dict
     status: str
-    spec: Optional[dict] = None
-    existing_project: Optional[dict] = None
+    loop_count: int
+    existing_project: Optional[Any] = None
     generated_code: Optional[Any] = None
-    qa_result: Optional[Any] = None
+    qa_result: Optional[Any] = None
+    is_completed: bool