fix routes

backend/api/routes.py

@@ -1,3 +1,5 @@
+import logging
+
 from fastapi import APIRouter, HTTPException
 
 from backend.ai.analyzer import analyze_business_description, analyze_custom_task
@@ -24,11 +26,16 @@ from backend.storage.database import db
 
 router = APIRouter()
 executor = WorkflowExecutor()
+logger = logging.getLogger(__name__)
 
 
 @router.post("/analyze")
 def analyze(request: AnalyzeRequest) -> dict:
-    analysis = analyze_business_description(request.description)
+    try:
+        analysis = analyze_business_description(request.description)
+    except Exception as exc:
+        logger.exception("Analyze request failed")
+        raise HTTPException(status_code=500, detail=f"Analyze failed: {exc}") from exc
     owner = db.ensure_owner(request.owner_id, request.owner_email)
     owner["business_description"] = request.description
     owner["business_analysis"] = analysis
@@ -39,30 +46,42 @@ def analyze(request: AnalyzeRequest) -> dict:
 @router.post("/custom-task")
 def custom_task(request: CustomTaskRequest) -> dict:
     owner = db.get_owner(request.owner_id)
-    return analyze_custom_task(
-        business_description=owner.get("business_description", ""),
-        existing_workflows=db.list_workflows(request.owner_id),
-        custom_task=request.custom_task,
-    )
+    try:
+        return analyze_custom_task(
+            business_description=owner.get("business_description", ""),
+            existing_workflows=db.list_workflows(request.owner_id),
+            custom_task=request.custom_task,
+        )
+    except Exception as exc:
+        logger.exception("Custom task analysis failed")
+        raise HTTPException(status_code=500, detail=f"Custom task analysis failed: {exc}") from exc
 
 
 @router.post("/suggest-workflows")
 def suggest_workflows(request: WorkflowSuggestionRequest) -> dict:
     owner = db.get_owner(request.owner_id)
-    return suggest_workflow_options(
-        task_name=request.task_name,
-        task_description=request.task_description,
-        category=request.category,
-        spreadsheet_info=owner.get("spreadsheet_config", {"connected": False}),
-        uploaded_files=db.list_data_files(request.owner_id),
-    )
+    try:
+        return suggest_workflow_options(
+            task_name=request.task_name,
+            task_description=request.task_description,
+            category=request.category,
+            spreadsheet_info=owner.get("spreadsheet_config", {"connected": False}),
+            uploaded_files=db.list_data_files(request.owner_id),
+        )
+    except Exception as exc:
+        logger.exception("Workflow suggestion failed")
+        raise HTTPException(status_code=500, detail=f"Workflow suggestion failed: {exc}") from exc
 
 
 @router.post("/build-workflow", response_model=BuildWorkflowResponse)
 def build_workflow(request: BuildWorkflowRequest) -> BuildWorkflowResponse:
     owner = db.get_owner(request.owner_id)
-    workflow_json = build_workflow_definition(request=request, owner=owner)
-    compiled = compile_workflow(workflow_json)
+    try:
+        workflow_json = build_workflow_definition(request=request, owner=owner)
+        compiled = compile_workflow(workflow_json)
+    except Exception as exc:
+        logger.exception("Workflow build failed")
+        raise HTTPException(status_code=500, detail=f"Workflow build failed: {exc}") from exc
     return BuildWorkflowResponse(workflow=compiled)
 
 
@@ -119,3 +138,15 @@ def simulate_run(owner_id: str, workflow_id: str, trigger: dict) -> dict:
     result = executor.execute(workflow, trigger, db=db, owner_id=owner_id)
     db.save_execution_log(owner_id, workflow_id, trigger, result["steps"], result["outcome"], result.get("error"))
     return result
+
+
+@router.get("/debug/vertex")
+def debug_vertex() -> dict:
+    from backend.ai.client import vertex_client
+
+    try:
+        text = vertex_client.generate_text("Reply with exactly: Vertex debug ok")
+        return {"status": "ok", "response": text}
+    except Exception as exc:
+        logger.exception("Vertex debug call failed")
+        raise HTTPException(status_code=500, detail=f"Vertex debug failed: {exc}") from exc