{"_example": "Fill with {\"file\": \"\", \"reason\": \"\"}. Put spec/research files only — no code paths. Run `python3 .trellis/scripts/get_context.py --mode packages` to list available specs. Delete this line once real entries are added."} {"file": ".trellis/spec/backend/session-history.md", "reason": "完整正文保存与失败保留约定"} {"file": ".trellis/spec/frontend/state-management.md", "reason": "运行态快照与消息幂等对账"}