Enhance error handling for JSON decoding (#24)

Improve error handling for non-JSON lines by printing to stderr instead of breaking the flow.

src/codexmcp/server.py

@@ -221,15 +221,18 @@ async def codex(
                 err_message = "codex error: " + line_dict.get("error", {}).get("message", "")
             if "error" in line_dict.get("type", ""):
                 error_msg = line_dict.get("message", "")
+                import re 
                 is_reconnecting = bool(re.match(r'^Reconnecting\.\.\.\s+\d+/\d+$', error_msg))
+                
                 if not is_reconnecting:
                     success = False if len(agent_messages) == 0 else success
                     err_message = "codex error: " + error_msg
-        except json.JSONDecodeError as error:
-            # Improved error handling: include problematic line
-            err_message = line
-            success = False
-            break
+                    
+        except json.JSONDecodeError:
+            import sys
+            print(f"Ignored non-JSON line: {line}", file=sys.stderr)
+            continue
+            
         except Exception as error:
             err_message = f"Unexpected error: {error}. Line: {line!r}"
             success = False