Review Mode

Switch to critic mode after finishing a chunk, produce PASS / FIX / REDO verdict. USE WHEN: sub-task boundary reached, user said "review" / "double-check" / "is this right" / "spot the bug" / "看一下" / "review 一下", before reporting "done" on anything user will rely on, after writing code / config / doc, after sub-agent returns. TRIGGER PHRASES: "review", "double-check", "看一下", "review 一下", "查一下", "检查", "找 bug", "is this right", "spot the bug", "verifier", "自己 review 一下". SKIP WHEN: one-line edit, user explicitly said "ship it" / "no more review" / "不用 review" in this turn, user can see result in chat immediately.