v1.6.3 — 4-tier guard, agent-aware reload, clean messaging

Guard Pruning

Tier	Threshold	Action	Reload?
Soft	25%	gentle file cleanup	No
Hard	55%	standard prune	Yes (deferred if agents active)
Emergency	80%	aggressive prune	Yes (forced)
User	90%	manual aggressive	Yes

• tmux/screen: same-pane resume via send-keys
• Plain terminals: new window on reload
• Agent-aware: won't kill running agents at 55%, forces at 80%

Clean Output

• Only shows strategies that did something
• 1-line hook status messages
• Professional, confident messaging

1M Context Default

• Opus/Sonnet 4.5/4.6 default to 1M (CC stores model ID without [1m] suffix)
• Pro plan (200K) users: COZEMPIC_CONTEXT_WINDOW=200000