feat: restructure as pnpm monorepo with Tauri desktop shell

- Migrate to packages/web + packages/desktop workspace layout via git mv
- Add Tauri v2 desktop shell with @tauri-apps/plugin-http for CORS bypass
- Configure Turborepo with package-level dependsOn build graph
- Add semantic-release with exec plugin for GHA output and disabled PR comments
- Fix http:default capability scope to allow all HTTP/HTTPS origins
- Add Vite Tauri integration (clearScreen, TAURI_DEV_HOST, target, envPrefix)
- Add semantic-release.yml and release.yml GitHub Actions workflows
- Fix all Biome lint errors (noArrayIndexKey, noNonNullAssertion, button types)

.github/workflows/semantic-release.yml

@@ -0,0 +1,38 @@
+name: Semantic Release
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GH_TOKEN }}
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm exec semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          GIT_AUTHOR_NAME: github-actions[bot]
+          GIT_AUTHOR_EMAIL: github-actions[bot]@users.noreply.github.com
+          GIT_COMMITTER_NAME: github-actions[bot]
+          GIT_COMMITTER_EMAIL: github-actions[bot]@users.noreply.github.com