docs: first generated feature-support data + summary matrix from Daikon

.github/workflows/revalidate-content.yml

@@ -7,6 +7,7 @@ on:
     paths:
       - "content/**/*.md"
       - "content/**/*.mdx"
+      - "content/feature-support.json"
 
 jobs:
   revalidate-content:
@@ -84,6 +85,28 @@ jobs:
           echo "filePaths=$FILE_PATHS_JSON" >> $GITHUB_OUTPUT
           echo "frontmatterChanged=$FRONTMATTER_CHANGED" >> $GITHUB_OUTPUT
 
+      - name: Check for feature-support data changes
+        id: feature-support
+        run: |
+          set +e
+          CHANGED=$(git diff --name-only \
+            "${{ github.event.before }}" "${{ github.event.after }}" \
+            -- 'content/feature-support.json')
+          EXIT_CODE=$?
+          set -e
+
+          if [ $EXIT_CODE -ne 0 ]; then
+            echo "::error::git diff failed with exit code $EXIT_CODE"
+            exit 1
+          fi
+
+          if [ -n "$CHANGED" ]; then
+            echo "feature-support.json changed in this push"
+            echo "changed=true" >> $GITHUB_OUTPUT
+          else
+            echo "changed=false" >> $GITHUB_OUTPUT
+          fi
+
       - name: Call revalidation API
         if: steps.changed-files.outputs.filePaths != '[]'
         run: |
@@ -171,3 +194,27 @@ jobs:
           echo "::notice::✅ Triggered index-main-content.yml workflow"
         env:
           GH_TOKEN: ${{ github.token }}
+
+      # The feature-support widget's data is server-rendered by the docs-site
+      # from content/feature-support.json (cached under the "feature-support"
+      # Next.js tag), so a change to the JSON — the daily Daikon bot PR merge —
+      # must invalidate that tag for the page to pick it up. Runs even when an
+      # earlier step failed: the revalidations are independent, and this step
+      # is last so its own failure cannot skip them either.
+      - name: Revalidate feature-support data
+        if: always() && steps.feature-support.outputs.changed == 'true'
+        run: |
+          HTTP_CODE=$(curl -X POST "${{ secrets.DOCS_SITE_URL }}/api/revalidate/feature-support" \
+            -H "Authorization: Bearer ${{ secrets.DOCS_SITE_API_KEY }}" \
+            --max-time 120 \
+            -o feature-support-response.json \
+            -w "%{http_code}" \
+            -s) || true
+
+          if [ "$HTTP_CODE" = "200" ] && [ "$(jq -r '.success' feature-support-response.json)" = "true" ]; then
+            echo "::notice::✅ Revalidated feature-support data"
+          else
+            echo "::error::Feature-support revalidation failed (HTTP $HTTP_CODE)"
+            jq '.' feature-support-response.json 2>/dev/null || cat feature-support-response.json 2>/dev/null || true
+            exit 1
+          fi