Merge branch 'main' into fix_select_panel2_anchoring

.changeset/brave-dolls-sparkle.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": minor
+---
+
+Remove CSS modules feature flag from Spinner

.changeset/giant-rocks-carry-1.md

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+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for Autocomplete from `team` to `staff`

.changeset/giant-rocks-carry-10.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for Overlay from `team` to `staff`

.changeset/giant-rocks-carry-11.md

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+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for PageHeader from `team` to `staff`

.changeset/giant-rocks-carry-12.md

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+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for PageLayout from `team` to `staff`

.changeset/giant-rocks-carry-13.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for Pagination from `team` to `staff`

.changeset/giant-rocks-carry-14.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for SegmentedControl from `team` to `staff`

.changeset/giant-rocks-carry-15.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for SelectPanel from `team` to `staff`

.changeset/giant-rocks-carry-16.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for SideNav from `team` to `staff`

.changeset/giant-rocks-carry-17.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for SubNav from `team` to `staff`

.changeset/giant-rocks-carry-18.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for Token from `team` to `staff`

.changeset/giant-rocks-carry-19.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for TooltipV2 from `team` to `staff`

.changeset/giant-rocks-carry-2.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for AvatarStack from `team` to `staff`

.changeset/giant-rocks-carry-20.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for UnderlinePanels from `team` to `staff`

.changeset/giant-rocks-carry-21.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for UnderlineTabbedInterface from `team` to `staff`

.changeset/giant-rocks-carry-3.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for BaseStyles from `team` to `staff`

.changeset/giant-rocks-carry-4.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for ConfirmationDialog from `team` to `staff`

.changeset/giant-rocks-carry-5.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for DataTable from `team` to `staff`

.changeset/giant-rocks-carry-6.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for Hidden from `team` to `staff`

.changeset/giant-rocks-carry-7.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for InlineMessage from `team` to `staff`

.changeset/giant-rocks-carry-8.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for KeybindingHint from `team` to `staff`

.changeset/giant-rocks-carry-9.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Moving CSS component feature flag for NavList from `team` to `staff`

.changeset/great-boxes-clap.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": minor
+---
+
+Update dependency range for React dependencies to include 19.x

.changeset/nervous-planets-kneel.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": minor
+---
+
+feat(AvatarStack): add style prop

.github/workflows/aat-reports.yml

@@ -0,0 +1,163 @@
+name: AAT Reports
+on:
+  workflow_call:
+    outputs:
+      aat-all-flags:
+        value: ${{ jobs.aat-all-flags.result }}
+      aat-no-flag:
+        value: ${{ jobs.aat.result }}
+
+concurrency:
+  group: aat-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  aat-runner:
+    runs-on: ubuntu-latest-16-cores
+    strategy:
+      fail-fast: false
+      matrix:
+        shard: [1, 2, 3, 4]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'npm'
+      - name: Install dependencies
+        run: npm ci
+      - name: Build storybook
+        run: npx storybook build
+        working-directory: packages/react
+      - name: Run storybook
+        id: storybook
+        working-directory: packages/react
+        run: |
+          npx serve -l 6006 storybook-static &
+          pid=$!
+          echo "pid=$pid" >> $GITHUB_OUTPUT
+          sleep 5
+      - name: Run AAT
+        uses: docker://mcr.microsoft.com/playwright:v1.47.2-jammy
+        env:
+          STORYBOOK_URL: 'http://172.17.0.1:6006'
+        with:
+          args: npx playwright test --grep @aat --shard="${{ matrix.shard }}/${{ strategy.job-total }}"
+      - name: Stop storybook
+        run: kill ${{ steps.storybook.outputs.pid }}
+      - name: Upload report
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: axe-no-flag-${{ matrix.shard }}
+          path: blob-report
+          retention-days: 1
+
+  aat:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    needs: aat-runner
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'npm'
+      - name: install dependencies
+        run: npm ci
+      - name: download all reports
+        uses: actions/download-artifact@v4
+        with:
+          path: all-blob-reports
+          pattern: axe-no-flag-*
+          merge-multiple: true
+      - name: merge all reports
+        run: npx playwright merge-reports --reporter html ./all-blob-reports
+      - name: Upload report
+        uses: actions/upload-artifact@v4
+        with:
+          name: axe
+          path: playwright-report
+      - name: Check aat-runner job status
+        if: ${{ needs.aat-runner.result == 'failure' }}
+        continue-on-error: true
+        run: exit 1
+
+  aat-runner-all-flags:
+    runs-on: ubuntu-latest-16-cores
+    strategy:
+      fail-fast: false
+      matrix:
+        shard: [1, 2, 3, 4]
+    env:
+      VITE_PRIMER_REACT_CSS_MODULES_TEAM: 1
+      VITE_PRIMER_REACT_CSS_MODULES_STAFF: 1
+      VITE_PRIMER_REACT_CSS_MODULES_GA: 1
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'npm'
+      - name: Install dependencies
+        run: npm ci
+      - name: Build storybook
+        run: npx storybook build
+        working-directory: packages/react
+      - name: Run storybook
+        id: storybook
+        working-directory: packages/react
+        run: |
+          npx serve -l 6006 storybook-static &
+          pid=$!
+          echo "pid=$pid" >> $GITHUB_OUTPUT
+          sleep 5
+      - name: Run AAT
+        uses: docker://mcr.microsoft.com/playwright:v1.47.2-jammy
+        env:
+          STORYBOOK_URL: 'http://172.17.0.1:6006'
+        with:
+          args: npx playwright test --grep @aat --shard="${{ matrix.shard }}/${{ strategy.job-total }}"
+      - name: Stop storybook
+        run: kill ${{ steps.storybook.outputs.pid }}
+      - name: Upload report
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: axe-all-flags-${{ matrix.shard }}
+          path: blob-report
+          retention-days: 1
+
+  aat-all-flags:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    needs: aat-runner-all-flags
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'npm'
+      - name: install dependencies
+        run: npm ci
+      - name: download all reports
+        uses: actions/download-artifact@v4
+        with:
+          path: all-blob-reports
+          pattern: axe-all-flags-*
+          merge-multiple: true
+      - name: merge all reports
+        run: npx playwright merge-reports --reporter html ./all-blob-reports
+      - name: Upload report
+        uses: actions/upload-artifact@v4
+        with:
+          name: axe-all-flags
+          path: playwright-report
+      - name: Check aat-runner-all-flags job status
+        if: ${{ needs.aat-runner-all-flags.result == 'failure' }}
+        continue-on-error: true
+        run: exit 1