Improve file existence checks and error reporting

Enhanced file validation in AgentExecutor by logging file paths and existence, and providing detailed error messages listing missing files instead of a generic error. This aids debugging and improves user feedback when required files are missing.

openhands_poc/executor.py

@@ -155,13 +155,22 @@ class AgentExecutor:
         drawing_path = self._get_file_path(drawing_file)
         spec_path = self._get_file_path(spec_file)
 
+        # Debug: Log paths and existence
+        print(f"[Executor.classify] Schedule path: {schedule_path}, exists: {Path(schedule_path).exists()}")
+        print(f"[Executor.classify] Drawing path: {drawing_path}, exists: {Path(drawing_path).exists()}")
+        print(f"[Executor.classify] Spec path: {spec_path}, exists: {Path(spec_path).exists()}")
+
         # Validate files exist
-        if not all([
-            Path(schedule_path).exists(),
-            Path(drawing_path).exists(),
-            Path(spec_path).exists(),
-        ]):
-            return "unsupported", {"error": "One or more files do not exist"}
+        missing_files = []
+        if not Path(schedule_path).exists():
+            missing_files.append(f"Schedule: {schedule_path}")
+        if not Path(drawing_path).exists():
+            missing_files.append(f"Drawing: {drawing_path}")
+        if not Path(spec_path).exists():
+            missing_files.append(f"Spec: {spec_path}")
+
+        if missing_files:
+            return "unsupported", {"error": f"Files not found: {', '.join(missing_files)}"}
 
         # Run classification
         return await self.receptionist_agent.classify_documents_async(
@@ -228,13 +237,22 @@ class AgentExecutor:
         drawing_path = self._get_file_path(drawing_file)
         spec_path = self._get_file_path(spec_file)
 
+        # Debug: Log paths and existence
+        print(f"[Executor] Schedule path: {schedule_path}, exists: {Path(schedule_path).exists()}")
+        print(f"[Executor] Drawing path: {drawing_path}, exists: {Path(drawing_path).exists()}")
+        print(f"[Executor] Spec path: {spec_path}, exists: {Path(spec_path).exists()}")
+
         # Validate files exist
-        if not all([
-            Path(schedule_path).exists(),
-            Path(drawing_path).exists(),
-            Path(spec_path).exists(),
-        ]):
-            return "", {"error": "One or more files do not exist"}
+        missing_files = []
+        if not Path(schedule_path).exists():
+            missing_files.append(f"Schedule: {schedule_path}")
+        if not Path(drawing_path).exists():
+            missing_files.append(f"Drawing: {drawing_path}")
+        if not Path(spec_path).exists():
+            missing_files.append(f"Spec: {spec_path}")
+
+        if missing_files:
+            return "", {"error": f"Files not found: {', '.join(missing_files)}"}
 
         try:
             # Step 1: Classify documents with ReceptionistAgentSDK