Merge PR #275: fix(batch_runner): preserve traceback when batch worker fails

Authored by batuhankocyigit. Adds explicit traceback logging for batch worker failures and improves tool dispatch error logging in registry.

batch_runner.py

@@ -914,6 +914,9 @@ class BatchRunner:
                     for result in pool.imap_unordered(_process_batch_worker, tasks):
                         results.append(result)
                         progress.update(task, advance=1)
+                except Exception as e:
+                    logger.error("Batch worker failed: %s", e, exc_info=True)
+                    raise
                 finally:
                     root_logger.setLevel(original_level)
         

tools/registry.py

@@ -125,7 +125,7 @@ class ToolRegistry:
                 return _run_async(entry.handler(args, **kwargs))
             return entry.handler(args, **kwargs)
         except Exception as e:
-            logger.error("Tool %s dispatch error: %s", name, e)
+            logger.exception("Tool %s dispatch error: %s", name, e)
             return json.dumps({"error": f"Tool execution failed: {type(e).__name__}: {e}"})
 
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