# PR description
## Summary
- Upgrade the Effect v4 package from `4.0.0-beta.98` to `4.0.0-beta.101`.
- Bump `effect-lens-next` to `2.0.0-beta.101`.
- Normalize the v4 `LensImpl` and `ViewImpl` global symbol keys under the `@effect-lens` namespace.
- Upgrade the monorepo toolchain, including TypeScript 7, Turbo, Biome, the Effect language service, and npm-check-updates.
- Refresh the lockfile with the updated dependency graph.
- Add new wide and square Effect Lens SVG branding.
- Improve both npm README headers with:
- The new square logo.
- Package version, download, license, and Effect compatibility badges.
- Clear warnings distinguishing the Effect v3 stable release from the Effect v4 beta.
- Include the square logo in both published npm packages.
## Validation
- TypeScript checks pass.
- Both SVG assets validate successfully.
- `npm pack --dry-run --ignore-scripts` succeeds for both packages.
- Both npm tarballs include their relative README logo assets.
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Co-authored-by: Julien Valverdé <julien.valverde@mailo.com>
Reviewed-on: #8
