fix(T667): requeue a watcher-exit wake dropped mid-turn instead of stranding it

[kryptobaseddev]

Kimi 6f38782..0720eb3 (base 6617cfd). When a watcher's exit hint lands mid-turn, the harness drops it and the mail stayed 'notified' for good.

• Watch: the watcher records which ids its hint named.
• Stop: every Stop run reconciles that marker. Ids it surfaces, or that are read, acked or delivered, leave it, so the re-drive never double-fires with a Stop continuation (the T675/T681 class).
• Daemon: requeueWatchReported moves a still-'notified' marked delivery back to 'delivered' exactly once. It skips while a live watcher exists, while muted, and inside the wake brake window. The normal dispatch checks then drive it.

test/watch-midturn.test.ts 6/6: the AC1 reproduction, a single Stop surfacing, the digest variant, continuation-turn mail reaching the next turn without a prompt, exactly one re-drive, and none when read/acked or alongside Stop. project-mailbox + wake-dispatch + wake-outcomes 57/57; watch + hooks 43/43; tsc clean. One RATCHET line in test/project-mailbox.test.ts classifies the 3 new per-delivery queries. CHANGELOG Unreleased only. AC3 live evidence follows on the release.

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