diff --git a/scripts/ci/ci_trace_report.py b/scripts/ci/ci_trace_report.py
index 42ce553c8..bbfe4a932 100755
--- a/scripts/ci/ci_trace_report.py
+++ b/scripts/ci/ci_trace_report.py
@@ -33,7 +33,6 @@ import argparse
 import urllib.request
 import urllib.error
 
-
 # ========== Default Configuration ==========
 DEFAULT_ENDPOINT = "https://proj-xtrace-495e81719a1fd9a2c5fd671eefafbe-cn-hangzhou.cn-hangzhou.log.aliyuncs.com/apm/trace/opentelemetry/v1/traces"
 DEFAULT_PROJECT = "proj-xtrace-495e81719a1fd9a2c5fd671eefafbe-cn-hangzhou"
@@ -42,6 +41,7 @@ DEFAULT_WORKSPACE = "agentloop-13b8d6efb7fde6e9b193eb982ade68e2"
 
 # ========== OTLP Protobuf Manual Encoding ==========
 
+
 def _encode_varint(value):
     result = bytearray()
     while value > 0x7F:
@@ -69,7 +69,11 @@ def _encode_int_field(field_number, value):
 
 
 def _encode_message_field(field_number, message_bytes):
-    return _encode_tag(field_number, 2) + _encode_varint(len(message_bytes)) + message_bytes
+    return (
+        _encode_tag(field_number, 2)
+        + _encode_varint(len(message_bytes))
+        + message_bytes
+    )
 
 
 def _encode_key_value(key, value_str):
@@ -84,9 +88,18 @@ def _encode_status(status_code, status_msg=""):
     return data
 
 
-def _encode_span(trace_id_bytes, span_id_bytes, parent_span_id_bytes,
-                 name, start_time_unix_nano, end_time_unix_nano,
-                 span_kind, attributes, status_code, status_msg=""):
+def _encode_span(
+    trace_id_bytes,
+    span_id_bytes,
+    parent_span_id_bytes,
+    name,
+    start_time_unix_nano,
+    end_time_unix_nano,
+    span_kind,
+    attributes,
+    status_code,
+    status_msg="",
+):
     data = b""
     data += _encode_bytes_field(1, trace_id_bytes)
     data += _encode_bytes_field(2, span_id_bytes)
@@ -129,6 +142,7 @@ def _encode_traces_data(resource_spans_bytes_list):
 
 # ========== Helper Functions ==========
 
+
 def _gen_trace_id():
     return uuid.uuid4().bytes
 
@@ -190,6 +204,7 @@ def _get_ci_attributes():
 
 # ========== Trace Building & Reporting ==========
 
+
 def build_trace(service_name, trace_name, status, duration_ms, attributes=None):
     """Build an OTLP trace payload (protobuf bytes). No external dependencies."""
     trace_id = _gen_trace_id()
@@ -224,9 +239,17 @@ def build_trace(service_name, trace_name, status, duration_ms, attributes=None):
     return _encode_traces_data([resource_spans])
 
 
-def report_ci_trace(service_name, trace_name, status="ok", duration_ms=1000,
-                    endpoint=None, license_key=None, project=None, workspace=None,
-                    extra_attributes=None):
+def report_ci_trace(
+    service_name,
+    trace_name,
+    status="ok",
+    duration_ms=1000,
+    endpoint=None,
+    license_key=None,
+    project=None,
+    workspace=None,
+    extra_attributes=None,
+):
     """
     Report CI Trace data. Returns (success: bool, message: str).
     Never raises exceptions; returns False on failure.
@@ -259,7 +282,9 @@ def report_ci_trace(service_name, trace_name, status="ok", duration_ms=1000,
             "x-cms-workspace": workspace,
         }
 
-        req = urllib.request.Request(endpoint, data=payload, headers=headers, method="POST")
+        req = urllib.request.Request(
+            endpoint, data=payload, headers=headers, method="POST"
+        )
         try:
             with urllib.request.urlopen(req, timeout=10) as resp:
                 status_code = resp.status
@@ -274,31 +299,45 @@ def report_ci_trace(service_name, trace_name, status="ok", duration_ms=1000,
                 f"({status}, {duration_ms}ms)"
             )
         else:
-            return False, (
-                f"[Trace] failed: HTTP {status_code} - {resp_body[:200]}"
-            )
+            return False, (f"[Trace] failed: HTTP {status_code} - {resp_body[:200]}")
     except Exception as e:
         return False, f"[Trace] error: {type(e).__name__}: {str(e)}"
 
 
 def main():
     parser = argparse.ArgumentParser(description="CI AgentLoop Trace Reporter")
-    parser.add_argument("--service", dest="service_name",
-                        default=os.getenv("TRACE_SERVICE", ""),
-                        help="Service name (also via TRACE_SERVICE env)")
-    parser.add_argument("--name", dest="trace_name",
-                        default=os.getenv("TRACE_NAME", ""),
-                        help="Trace name (also via TRACE_NAME env)")
-    parser.add_argument("--status", default=os.getenv("TRACE_STATUS", "ok"),
-                        choices=["ok", "error", "running"],
-                        help="Status: ok / error / running (default ok)")
-    parser.add_argument("--start-time", dest="start_time",
-                        default=os.getenv("TRACE_START_TIME", ""),
-                        help="Start timestamp (seconds) for duration calculation")
-    parser.add_argument("--duration-ms", dest="duration_ms", type=int, default=0,
-                        help="Direct duration in ms; takes precedence over --start-time")
-    parser.add_argument("--attrs", default="",
-                        help="Extra attributes (JSON string)")
+    parser.add_argument(
+        "--service",
+        dest="service_name",
+        default=os.getenv("TRACE_SERVICE", ""),
+        help="Service name (also via TRACE_SERVICE env)",
+    )
+    parser.add_argument(
+        "--name",
+        dest="trace_name",
+        default=os.getenv("TRACE_NAME", ""),
+        help="Trace name (also via TRACE_NAME env)",
+    )
+    parser.add_argument(
+        "--status",
+        default=os.getenv("TRACE_STATUS", "ok"),
+        choices=["ok", "error", "running"],
+        help="Status: ok / error / running (default ok)",
+    )
+    parser.add_argument(
+        "--start-time",
+        dest="start_time",
+        default=os.getenv("TRACE_START_TIME", ""),
+        help="Start timestamp (seconds) for duration calculation",
+    )
+    parser.add_argument(
+        "--duration-ms",
+        dest="duration_ms",
+        type=int,
+        default=0,
+        help="Direct duration in ms; takes precedence over --start-time",
+    )
+    parser.add_argument("--attrs", default="", help="Extra attributes (JSON string)")
 
     args = parser.parse_args()