feat(*): Add support for per-seat costs #29423

Job	Run time
Check Permissions	7s
Formatting \| Dedupe \| Changeset	1m 9s
Build Packages	1m 29s
Static analysis	1m 34s
Publish with pkg-pr-new	1m 46s
Bundle size	35s
Unit Tests (**)	3m 42s
Unit Tests (**)	2m 47s
Integration Tests (sessions, chrome)	3m 11s
Integration Tests (generic, chrome)	6m 3s
Integration Tests (handshake, chrome)	1m 29s
Integration Tests (express, chrome)	3m 2s
Integration Tests (nuxt, chrome)	4m 11s
Integration Tests (quickstart, chrome, 16)	3m 19s
Integration Tests (localhost, chrome)	2m 0s
Integration Tests (hono, chrome)	1m 48s
Integration Tests (tanstack-react-start, chrome)	3m 6s
Integration Tests (custom, chrome)	2m 46s
Integration Tests (fastify, chrome)	1m 48s
Integration Tests (cache-components, chrome, 16)	2m 39s
Integration Tests (react-router, chrome)	2m 34s
Integration Tests (sessions:staging, chrome)	2m 52s
Integration Tests (handshake:staging, chrome)	2m 18s
Integration Tests (nextjs, chrome, 15)	6m 6s
Integration Tests (ap-flows, chrome)	2m 35s
Integration Tests (astro, chrome)	5m 6s
Integration Tests (machine, chrome)	6m 28s
Integration Tests (billing, chrome)	4m 35s
Integration Tests (nextjs, chrome, 16)	5m 12s
Integration Tests (quickstart, chrome, 15)	2m 14s
Integration Tests (vue, chrome)	1m 42s
Integration Tests (chrome-extension, chrome)	2m 22s
	1h 32m 35s

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