fix: TOC links + mobile docs polish #76

Job	Run time
Library — lint / test / build	7s
MCP — build / smoke	6s
Cockpit — deploy smoke dry-run	5s
Cockpit — secret-gated integration	8s
Website — e2e	6s
Chat Agent — smoke	19s
Cockpit — build / test	15s
Website — lint / build	6s
Cockpit — representative capability smoke	7s
Cockpit — e2e	7s
Deploy → Vercel	0s
	1m 26s

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