test: verify architecture compatibility exports

[okyrychenko-dev]

Summary

Complete the architecture-deepening integration contract by strengthening packed-package verification for supported custom-integration and deprecated compatibility interfaces.

Changes

• Verify preserved React 19 compatibility exports in packed ESM and CommonJS builds.
• Verify packed runtime support for createResolvedStoreHooks and useContextStoreOptional.
• Compile canonical provider and deprecated getProvider() access through published declarations.
• Verify independent deprecation guidance in both ESM and CommonJS declaration files.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-18T20:17:00.334286Z	5eb966b	PR opened

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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