build(shared): nest internal build chunks under _chunks/ #29014

Job	Run time
Check Permissions	6s
Build Packages	1m 11s
Formatting \| Dedupe \| Changeset	58s
Publish with pkg-pr-new	1m 0s
Unit Tests (**)	2m 28s
Static analysis	1m 29s
Unit Tests (**)	2m 51s
Integration Tests (generic, chrome)	5m 45s
Integration Tests (localhost, chrome)	1m 40s
Integration Tests (sessions, chrome)	3m 3s
Integration Tests (react-router, chrome)	1m 37s
Integration Tests (tanstack-react-start, chrome)	1m 59s
Integration Tests (machine, chrome)	4m 55s
Integration Tests (express, chrome)	1m 38s
Integration Tests (fastify, chrome)	1m 32s
Integration Tests (custom, chrome)	1m 45s
Integration Tests (astro, chrome)	2m 44s
Integration Tests (handshake, chrome)	1m 33s
Integration Tests (vue, chrome)	1m 40s
Integration Tests (billing, chrome)	3m 44s
Integration Tests (quickstart, chrome, 16)	2m 40s
Integration Tests (sessions:staging, chrome)	2m 15s
Integration Tests (nuxt, chrome)	2m 11s
Integration Tests (chrome-extension, chrome)	1m 43s
Integration Tests (nextjs, chrome, 16)	5m 44s
Integration Tests (handshake:staging, chrome)	1m 18s
Integration Tests (hono, chrome)	1m 48s
Integration Tests (ap-flows, chrome)	1m 53s
Integration Tests (nextjs, chrome, 15)	5m 55s
Integration Tests (quickstart, chrome, 15)	2m 25s
Integration Tests (cache-components, chrome, 16)	2m 3s
	1h 13m 33s

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