* external store adapter for state management
Introduces a `StateStore` interface that lets users plug in their own state management (Redux, Zustand, XState, etc.) instead of being locked into the internal `useState`-based store.
- Added `StateStore` interface and `createStateStore()` factory to `@json-render/core`
- `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop for controlled mode
- When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored)
- When `store` is omitted, everything works exactly as before (fully backward compatible)
- Applied across all platform packages: react, react-native, react-pdf
* improvements
* update docs
* improvements
* fixes
* fix CI
* add store adapters
* fixes
* fixes
* fixes
* fixes
* e2e tests
* improvements
* fixes
* fixes
* fixes
* fixes
* update lockfile for widened react peer deps
* fix dashboard build
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