Remove the new-nav feature flag

Sam Ito·Conductor·beacon-webfeat/offline-queue @ a3021c1·/Users/sam/dev/beacon-web·2026-09-23 13:24:00 UTC → 2026-09-23 13:25:06 UTC (1m 6s)·claude-sonnet-5·sam-mini·/Users/sam/.claude/projects/beacon-web/a0f6e984-989e-4414-a284-5229f47acc25.jsonl

19k in / 1k out / 1.6M cache read / 17k cache write / 0 thinking·$0.41 API-equiv.·10 messages · 1 user turns · 4 tool calls · 0 sub-agents

j / k next / previous user turn · [ / ] collapse / expand tool cards · c copy · ? all shortcuts