[SoonIter]

Upgrade the workspace and plugin template to React 19.2.8, including React DOM and React 19 types, while keeping the published third-parties plugin compatible with React 18 and React 19. Rspress stays at 2.0.22.

Keep react and react-dom peer dependencies at ^18.0.0 || ^19.0.0. Disable React Compiler for the plugin and remove both its compiler and runtime dependencies, so published components require neither react-compiler-runtime nor react/compiler-runtime. Preserve the React 18 resource API fallback and use a patch changeset. Resource API tests now assert the behavior supported by the installed React version.

Validation:

• Frozen install, package build, lint/type-check, docs build, and 13 unit tests passed.
• React 19.2.8: all 56 E2E tests passed.
• React 18.3.1: all 27 third-parties E2E tests passed, with no skips. This validation used temporary React/React DOM 18 and Markdown renderer 18 overrides, explicit React links in the nested fixture, and clean Rspack caches; the committed workspace remains on React 19.
• Built plugin artifacts contain no compiler runtime imports.

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[chatgpt-codex-connector]

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-15T04:11:57.853731Z	0f217fb	New commits

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[chatgpt-codex-connector]

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Reviewed commit: 0f217fb179

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