fix: replace silent exception swallowing with proper logging

src/cleveragents/langgraph/nodes.py

@@ -210,8 +210,7 @@ class Node:  # pylint: disable=too-many-instance-attributes
         try:
             agent_response = await agent.process_message(agent_input, context)
         except Exception as e:  # pylint: disable=broad-exception-caught
-            # Catch all agent exceptions to prevent node failure
-            self.logger.error("Agent %s execution failed: %s", agent.name, e)
+            self.logger.error("Agent %s execution failed: %s", agent.name, e, exc_info=True)
             agent_response = f"Error processing message: {str(e)}"
 
         # Return state updates

src/cleveragents/templates/base.py

@@ -249,8 +249,8 @@ class BaseTemplate(ABC):
                             # Replace single quotes with double quotes for JSON parsing
                             json_str = rendered.replace("'", '"')
                             return json.loads(json_str)
-                        except Exception:  # pylint: disable=broad-exception-caught
-                            pass
+                        except (json.JSONDecodeError, ValueError) as e:
+                            logger.debug("Failed to parse as JSON: %s", e)
 
                     try:
                         # Try to parse as number
@@ -284,7 +284,8 @@ class BaseTemplate(ABC):
 
                     try:
                         return yaml.safe_load(rendered)
-                    except Exception:  # pylint: disable=broad-exception-caught
+                    except yaml.YAMLError as e:
+                        logger.warning("Failed to parse YAML in conditional: %s", e)
                         return rendered
                 # Condition was false, exclude this section
                 return None

src/cleveragents/templates/graph_templates.py

@@ -91,9 +91,13 @@ class GraphTemplate(BaseTemplate):
                                 agent_ref,
                                 node_name,
                             )
-                    except Exception:  # pylint: disable=broad-exception-caught
-                        # Not a local reference, probably a global agent name
-                        pass
+                    except Exception as e:  # pylint: disable=broad-exception-caught
+                        logger.debug(
+                            "Could not resolve agent reference '%s' in node '%s': %s",
+                            agent_ref,
+                            node_name,
+                            e
+                        )
 
             processed_nodes[node_name] = node_config
 

src/cleveragents/templates/stream_templates.py

@@ -105,9 +105,12 @@ class StreamTemplate(BaseTemplate):
                             logger.debug(
                                 "Resolved agent reference '%s' in stream operator", agent_ref
                             )
-                    except Exception:  # pylint: disable=broad-exception-caught
-                        # Not a local reference, probably a global agent name
-                        pass
+                    except Exception as e:  # pylint: disable=broad-exception-caught
+                        logger.debug(
+                            "Could not resolve agent reference '%s' in stream operator: %s",
+                            agent_ref,
+                            e
+                        )
 
             # Handle graph references in graph_execute operators
             if op_type == "graph_execute" and "graph" in op_params:
@@ -127,9 +130,12 @@ class StreamTemplate(BaseTemplate):
                             logger.debug(
                                 "Resolved graph reference '%s' in stream operator", graph_ref
                             )
-                    except Exception:  # pylint: disable=broad-exception-caught
-                        # Not a local reference, probably a global graph name
-                        pass
+                    except Exception as e:  # pylint: disable=broad-exception-caught
+                        logger.debug(
+                            "Could not resolve graph reference '%s' in stream operator: %s",
+                            graph_ref,
+                            e
+                        )
 
             processed_operators.append(operator)