fix(repair-agent): add git push after auto-commit

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

repair_agent/agent/core.py

@@ -204,11 +204,13 @@ class RepairEngine:
                     modified_files=modified_files, diff=diff,
                 ))
 
-            # 自动提交（仅在 Git 启用时）
+            # 自动提交并推送（仅在 Git 启用时）
             if git_enabled and auto_commit and modified_files and git_manager:
                 bug_ids = ", ".join([f"#{b.id}" for b in bugs])
                 git_manager.commit(f"fix: auto repair bugs {bug_ids}")
                 logger.info("代码已提交")
+                git_manager.push()
+                logger.info("代码已推送到远程")
             elif not git_enabled and auto_commit:
                 logger.info("未配置 GitHub 仓库，跳过自动提交")