feat(cockpit): Tier 3 — time-travel checkpoint nav + durable-executio… #135

Job	Run time
Cockpit — secret-gated integration	50s
Library — lint / test / build	1m 0s
Cockpit — representative capability smoke	54s
Cockpit — build all examples	2m 34s
Website — lint / build	1m 19s
Cockpit — build / test	1m 19s
Cockpit — deploy smoke dry-run	56s
Cockpit — e2e	2m 1s
Chat Agent — smoke	55s
MCP — build / smoke	46s
Website — e2e	1m 48s
Deploy → Vercel	0s
Production smoke	0s
	14m 22s

Provide feedback