fix: comprehensive TypeScript/build fixes and modernization

- Update tsconfig to ES2024 target and bundler moduleResolution
- Add dynamic imports for chart.js and recharts (bundle optimization)
- Consolidate 17 useState into useReducer in sessions page
- Fix 18 .js extension imports across lib files
- Add type declarations for @rapideditor/country-coder
- Fix platform user types (PlatformUserRole enum)
- Fix Calendar component prop types
- Centralize next-auth type augmentation
- Add force-dynamic to all API routes (prevent build-time prerender)
- Fix Prisma JSON null handling with Prisma.DbNull
- Fix various type mismatches (SessionMessage, ImportRecord, etc.)
- Export ButtonProps from button component
- Update next-themes import path
- Replace JSX.Element with React.ReactElement
- Remove obsolete debug scripts and pnpm lockfile
- Downgrade eslint to v8 for next compatibility

.github/workflows/playwright.yml

@@ -9,17 +9,16 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: lts/*
+      - uses: actions/checkout@v6
+      - { uses: actions/setup-node@v6, with: { node-version: lts/* } }
+      - uses: oven-sh/setup-bun@v2
       - name: Install dependencies
-        run: npm install -g pnpm && pnpm install
+        run: bun install
       - name: Install Playwright Browsers
-        run: pnpm exec playwright install --with-deps
+        run: bun run playwright install --with-deps
       - name: Run Playwright tests
-        run: pnpm exec playwright test
-      - uses: actions/upload-artifact@v4
+        run: bun run playwright test
+      - uses: actions/upload-artifact@v6
         if: ${{ !cancelled() }}
         with:
           name: playwright-report