fix(test): update test payloads to use snake_case after camelCase removal

server/src/handlers/meta.rs

@@ -609,7 +609,7 @@ mod tests {
 
         let code_handler = LogCodeChangeHandler;
         let args_code = json!({
-            "filePath": "main.rs",
+            "file_path": "main.rs",
             "description": "refactor",
             "git_commit": "def",
             "git_branch": "main"