chore(posthog): writeback package telemetry ids #895

Job	Run time
Cockpit — secret-gated integration	1m 13s
Library — lint / test / build	3m 44s
Cockpit — build all examples	5m 21s
Website — lint / build	1m 48s
Cockpit — deploy smoke dry-run	1m 3s
PostHog — dashboards-as-code drift check	1m 15s
examples/chat — aimock e2e	2m 40s
Cockpit — representative capability smoke	1m 18s
Website — e2e	2m 1s
Cockpit — build / test	1m 30s
examples/chat — python smoke	1m 29s
Cockpit — e2e	1m 50s
Deploy → Vercel	1m 27s
Production smoke	4m 59s
	31m 38s

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