Agent Skills: fleet-status

One-screen readout of a running (or just-finished) /fleet-launch — time remaining on the deadline, per-session shipped/canceled/failed ledgers with liveness, in-flight issues from live worktrees, the shipped ledger cross-checked against git and the merge queue, stalled flags, and remaining certified runway. Read-only. Use when the user says 'fleet status', 'how's the fleet doing', 'what has the fleet shipped', 'what's in flight', 'how much time is left on the fleet', or invokes /fleet-status.