From 854ef6d5ba21245862a2e3d816e6fe6e2130b194 Mon Sep 17 00:00:00 2001
From: Your Name <user@example.com>
Date: Tue, 17 Mar 2026 17:40:38 +0530
Subject: [PATCH 1/3] Fix: Hide sensitive configuration errors from UI

---
 backend/agents.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/agents.py b/backend/agents.py
index ecba861..901a525 100644
--- a/backend/agents.py
+++ b/backend/agents.py
@@ -578,4 +578,5 @@ async def handle_chat(self, session_id: str, query: str, reset: bool = False) ->
             print(f"Error in handle_chat: {e}")
             import traceback
             traceback.print_exc()
-            return f"Error: {e}"
+            return "I'm sorry, I encountered an internal server error and cannot process your request right now."
+

From 04e342fafbb8ca4b22a556431183165207bd020c Mon Sep 17 00:00:00 2001
From: Your Name <user@example.com>
Date: Fri, 20 Mar 2026 15:19:42 +0530
Subject: [PATCH 2/3] Enhance: Replace generic prints with logger.exception()
 as suggested in review

---
 backend/agents.py | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/backend/agents.py b/backend/agents.py
index 901a525..70fb109 100644
--- a/backend/agents.py
+++ b/backend/agents.py
@@ -10,6 +10,15 @@
 
 from ks_search_tool import general_search, general_search_async, global_fuzzy_keyword_search
 from retrieval import get_retriever
+import logging
+
+# Configure logger
+logger = logging.getLogger(__name__)
+if not logger.handlers:
+    _h = logging.StreamHandler()
+    _h.setFormatter(logging.Formatter("%(asctime)s [%(levelname)s] %(name)s: %(message)s"))
+    logger.addHandler(_h)
+    logger.setLevel(logging.INFO)
 
 #  LLM (Gemini) client setup 
 try:
@@ -574,9 +583,7 @@ async def handle_chat(self, session_id: str, query: str, reset: bool = False) ->
             if len(self.chat_history[session_id]) > 20:
                 self.chat_history[session_id] = self.chat_history[session_id][-20:]
             return response_text
-        except Exception as e:
-            print(f"Error in handle_chat: {e}")
-            import traceback
-            traceback.print_exc()
+        except Exception:
+            logger.exception("Error in handle_chat")
             return "I'm sorry, I encountered an internal server error and cannot process your request right now."
 

From 1c8b1e5c870cb096947fc40d9e225b375c6e3a95 Mon Sep 17 00:00:00 2001
From: Your Name <user@example.com>
Date: Sat, 21 Mar 2026 19:46:57 +0530
Subject: [PATCH 3/3] Resolve agent logging conflict manually

---
 backend/agents.py         | 8 +++-----
 backend/package-lock.json | 6 ++++++
 2 files changed, 9 insertions(+), 5 deletions(-)
 create mode 100644 backend/package-lock.json

diff --git a/backend/agents.py b/backend/agents.py
index 4fa1a47..10788c9 100644
--- a/backend/agents.py
+++ b/backend/agents.py
@@ -585,8 +585,6 @@ async def handle_chat(self, session_id: str, query: str, reset: bool = False) ->
             if len(self.chat_history[session_id]) > 20:
                 self.chat_history[session_id] = self.chat_history[session_id][-20:]
             return response_text
-        except Exception as e:
-            print(f"Error in handle_chat: {e}")
-            import traceback
-            traceback.print_exc()
-            return f"Error: {e}"
+        except Exception:
+            logger.exception("Error in handle_chat")
+            return "I'm sorry, I encountered an internal server error and cannot process your request right now."
diff --git a/backend/package-lock.json b/backend/package-lock.json
new file mode 100644
index 0000000..dfb18f1
--- /dev/null
+++ b/backend/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "backend",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}