Product Performance Investigation Pack
查延迟并交回短报告，把事实和猜测分开，不改生产。 Investigates the slowdown and returns a short report that separates facts from guesses.
例如调查昨日发布后的结账延迟：查仪表盘/链路/火焰图，返回带截图与链接的短报告，区分事实与假设，不改生产、不改告警。 Example: investigate checkout latency after yesterday’s release. Check dashboards/traces/flame graphs and return a short report with screenshots and links, separating facts from guesses. Do not change production or alerts.
为什么推荐Why we recommend it 证据优先的工程调查模式。 An evidence-first engineering investigation pattern.
不改生产/告警 Do not change production/alerts
先在可撤回、不外发的范围内试跑。本条未批准前：不改生产/告警。 Try it first in a reversible, non-outbound scope. Until approved: Do not change production/alerts.
这条用法已包含可复用 Skill。跑通安全范围后，立刻把步骤固化下来。 This use already includes a reusable Skill. After the safe pass, lock the steps in.
输出稳定后再打开例行 / 定时。本条已有例行形态，不要一上来就无人值守外发。 Turn on the routine / schedule only after output is stable. This item already has a routine shape — do not start unattended outbound.
