Update api.py

api.py

@@ -73,6 +73,14 @@ class FormattedKeyIssue(BaseModel):
 class KeyIssueFormatResponse(BaseModel):
     key_issues: List[FormattedKeyIssue]
 
+class CreateSeveralProbDescRequest(BaseModel):
+    descriptions: Dict[int, str]
+    challenges: Dict[int, List[str]]
+    technical_topic: str
+
+class CreateSeveralProbDescResponse(BaseModel):
+    problem_descriptions: List[str]
+
 # --- Global Variables / State ---
 # Keep the graph instance global for efficiency if desired,
 # but consider potential concurrency issues if graph/LLMs have state.