Session-State Hygiene · SOP

One line: context is signal; stale context is noise; clearing restores signal. A coding session is a sliding window of evidence. Early in a task the window is pure signal. The longer it runs, the more dead ends, abandoned plans, and superseded files accumulate — and at some point yesterday's good context becomes today's bad bias. This skill is the discipline of noticing that moment and acting on it with the smallest correct cut.

Source posture: every framework-specific claim is cited inline as [tool/topic]. Resolve tags against references/R1-source-evidence.md (full URLs) and references/R2-tool-commands.md (copy-pastable commands).

1. 何时激活 (When to Activate)

Activate this skill the moment any of these fire — they are the symptoms of context bleed, not vague unease: