add initialize endpoint

src/api/v1/router.py

@@ -46,6 +46,21 @@ async def insurance_chat(request: models.InsuranceChatRequest):
         # raise e
         raise HTTPException(status_code=500, detail=f"Error processing chat request: {str(e)}")
 
+@router.post("/initialize", response_model=models.InitializeChatResponse)
+async def init_chat(request: models.InitializeChatRequest):
+    application = None
+    if request.context and request.context.application:
+        application = request.context.application
+    elif request.context and request.context.applicationDTO:
+        application = json.loads(base64.b64decode(request.context.applicationDTO).decode())
+
+    result = await chat_service.initialize_chat(str(request.userId), application)
+    return models.InitializeChatResponse(
+        session_id=result["session_id"],
+        answer=result["answer"],
+    )
+
+
 @router.post("/estimation", response_model=models.EstimationResponse)
 async def estimate(request: models.EstimationRequest):
     """Handle insurance estimation requests"""