Issue Description
做个计划，却生成无限循环的md，多大9000行。消耗我大量的token。
Steps to Reproduce
Expected Behavior
Actual Behavior
Screenshots / Screen Recordings
Operating System
mac book
Current Qoder Version (Menu → About Qoder → Copy)
版本: 0.2.23
VSCode Version: 1.100.0
提交: ffa1bdfdb22278a8acf94592e799998687aeb0cf
日期: 2025-12-18T03:22:49.470Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Darwin arm64 25.1.0
