diff --git a/.claude/hooks/.diagnostics_state.json b/.claude/hooks/.diagnostics_state.json
deleted file mode 100644
index 3f6df996..00000000
--- a/.claude/hooks/.diagnostics_state.json
+++ /dev/null
@@ -1 +0,0 @@
-{"file": "/home/patrick/Projects/AIPass/src/aipass/api/tests/test_usage_tracker.py", "errors": [{"line": 372, "message": "E501: Line too long (139 > 120)"}, {"line": 387, "message": "E501: Line too long (126 > 120)"}, {"line": 394, "message": "E501: Line too long (139 > 120)"}, {"line": 408, "message": "E501: Line too long (123 > 120)"}, {"line": 415, "message": "E501: Line too long (139 > 120)"}, {"line": 438, "message": "E501: Line too long (139 > 120)"}]}
\ No newline at end of file
diff --git a/src/aipass/spawn/apps/handlers/file_ops.py b/src/aipass/spawn/apps/handlers/file_ops.py
index 17de0e9b..c3fc907c 100644
--- a/src/aipass/spawn/apps/handlers/file_ops.py
+++ b/src/aipass/spawn/apps/handlers/file_ops.py
@@ -76,7 +76,10 @@ def copy_template(template_dir, target_dir, replacements):
                 shutil.copy2(item, dest)
                 copied.append(f"{dest_rel} (binary)")
 
-    json_handler.log_operation("template_copied", data={"target": str(target_dir)})
+    try:
+        json_handler.log_operation("template_copied", data={"target": str(target_dir)})
+    except Exception as exc:
+        logger.info("json_handler.log_operation failed (non-fatal): %s", exc)
 
     return copied, skipped