diff --git a/CogniwareIms/README.md b/CogniwareIms/README.md
index 0488a3c8bd..25a8746cb1 100644
--- a/CogniwareIms/README.md
+++ b/CogniwareIms/README.md
@@ -77,13 +77,6 @@ This system uses the OPEA megaservice pattern to orchestrate multiple microservi
 - **Reranking Microservice**: Improve retrieval quality (BAAI/bge-reranker-base)
 - **DataPrep Microservice**: Document ingestion and processing
 
-## Documentation
-
-- [Deployment Guide](docs/DEPLOYMENT_GUIDE.md)
-- [Data Setup](docs/DATA_SETUP.md)
-- [OPEA Compliance](docs/OPEA_COMPLIANCE_SUMMARY.md)
-- [Contributing](docs/CONTRIBUTING.md)
-
 ## License
 
 Apache 2.0 - See [LICENSE](LICENSE) file for details.
diff --git a/CogniwareIms/backend/app/services/dbqna_service.py b/CogniwareIms/backend/app/services/dbqna_service.py
index ff1a03c6de..8446f4861c 100644
--- a/CogniwareIms/backend/app/services/dbqna_service.py
+++ b/CogniwareIms/backend/app/services/dbqna_service.py
@@ -5,6 +5,7 @@
 Converts natural language to SQL and executes against inventory database
 """
 
+import json
 import logging
 import os
 from typing import Any, Dict, List, Optional
diff --git a/CogniwareIms/backend/app/services/opea_client.py b/CogniwareIms/backend/app/services/opea_client.py
index 24bbb36b21..f5429808c4 100644
--- a/CogniwareIms/backend/app/services/opea_client.py
+++ b/CogniwareIms/backend/app/services/opea_client.py
@@ -7,6 +7,7 @@
 from typing import Any, Dict, List, Optional
 
 import httpx
+from fastapi import HTTPException
 
 logger = logging.getLogger(__name__)
 
@@ -110,10 +111,23 @@ async def health_check_all(self) -> Dict[str, str]:
 
         status = {}
         for name, url in services.items():
-            status[name] = await check_service(url)
+            status[name] = await self._check_service(url)
 
         return status
 
+    async def _check_service(self, url: str) -> str:
+        """Check if a service is healthy."""
+        try:
+            async with httpx.AsyncClient(timeout=self.timeout) as client:
+                response = await client.get(f"{url}/health")
+                if response.status_code == 200:
+                    return "healthy"
+                else:
+                    return f"unhealthy (status: {response.status_code})"
+        except Exception as e:
+            logger.error(f"Health check failed for {url}: {e}")
+            return f"unhealthy (error: {str(e)})"
+
 
 # Global OPEA client instance
 opea_client = OPEAClient()