fix: PLT-866: Additional logging for async job creation (#8282)

Co-authored-by: triklozoid <[email protected]>

Author: triklozoid

label_studio/core/redis.py

@@ -18,13 +18,24 @@
 
 def _truncate_args_for_logging(args, kwargs, max_length=30):
     try:
-        truncated_args = [repr(arg)[:max_length] + ('...' if len(repr(arg)) > max_length else '') for arg in args]
 
-        truncated_kwargs = {
-            k: repr(v)[:max_length] + ('...' if len(repr(v)) > max_length else '')
-            for k, v in kwargs.items()
-            if k != 'on_failure'
-        }
+        def _truncate_scalar(value):
+            v_repr = repr(value)
+            return v_repr[:max_length] + ('...' if len(v_repr) > max_length else '')
+
+        def _truncate_top_level(value):
+            # If dict at the top level, expand only one level of keys
+            if isinstance(value, dict):
+                parts = []
+                for dk, dv in value.items():
+                    # Do NOT recurse: treat nested dicts as scalars
+                    parts.append(f'{repr(dk)}: {_truncate_scalar(dv)}')
+                return '{' + ', '.join(parts) + '}'
+            return _truncate_scalar(value)
+
+        truncated_args = [_truncate_top_level(arg) for arg in args]
+
+        truncated_kwargs = {k: _truncate_top_level(v) for k, v in kwargs.items() if k != 'on_failure'}
 
         result = []
         if truncated_args: