feat(ci): auto-apply community-tested label on /tested comments

.github/workflows/community-tested.yml

@@ -0,0 +1,115 @@
+name: Community Tested Label
+
+on:
+  issue_comment:
+    types: [created]
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  community-tested:
+    # Only run on PR comments containing /tested
+    if: >
+      github.event.issue.pull_request != null &&
+      contains(github.event.comment.body, '/tested')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Apply community-tested label
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { owner, repo } = context.repo;
+            const prNumber = context.issue.number;
+            const commenter = context.actor;
+
+            // Fetch the PR to get the author
+            const { data: pr } = await github.rest.pulls.get({
+              owner, repo, pull_number: prNumber,
+            });
+
+            const prAuthor = pr.user.login;
+
+            // PR must be open
+            if (pr.state !== 'open') {
+              console.log('PR is not open, skipping.');
+              return;
+            }
+
+            // PR author cannot test their own PR
+            if (commenter === prAuthor) {
+              const { data: feedback } = await github.rest.issues.createComment({
+                owner, repo, issue_number: prNumber,
+                body: `> ⚠️ @${commenter} — The PR author cannot mark their own PR as \`/tested\`.`,
+              });
+              // Delete after 8 seconds (best-effort)
+              await new Promise(r => setTimeout(r, 8000));
+              await github.rest.issues.deleteComment({
+                owner, repo, comment_id: feedback.id,
+              }).catch(() => {});
+              return;
+            }
+
+            // Collect all PR comments to find unique non-author /tested users
+            const comments = await github.paginate(
+              github.rest.issues.listComments,
+              { owner, repo, issue_number: prNumber, per_page: 100 },
+            );
+
+            const testers = new Set(
+              comments
+                .filter(c =>
+                  c.body.includes('/tested') &&
+                  c.user.login !== prAuthor
+                )
+                .map(c => c.user.login)
+            );
+
+            const THRESHOLD = 2;
+            const count = testers.size;
+
+            console.log(`Unique testers so far: ${count} (${[...testers].join(', ')})`);
+
+            // Check if label already applied
+            const { data: labels } = await github.rest.issues.listLabelsOnIssue({
+              owner, repo, issue_number: prNumber,
+            });
+            const alreadyLabelled = labels.some(l => l.name === 'community-tested');
+
+            if (count >= THRESHOLD && !alreadyLabelled) {
+              // Ensure the label exists in the repo
+              await github.rest.issues.createLabel({
+                owner, repo,
+                name: 'community-tested',
+                color: '0075ca',
+                description: 'Tested by 2+ community members',
+              }).catch(() => {}); // ignore if already exists
+
+              await github.rest.issues.addLabels({
+                owner, repo, issue_number: prNumber,
+                labels: ['community-tested'],
+              });
+
+              await github.rest.issues.createComment({
+                owner, repo, issue_number: prNumber,
+                body: `✅ This PR has been marked as **community-tested** by ${count} contributors: ${[...testers].map(u => `@${u}`).join(', ')}.`,
+              });
+
+              console.log('Label applied.');
+            } else if (count >= THRESHOLD && alreadyLabelled) {
+              console.log('Label already applied, nothing to do.');
+            } else {
+              const remaining = THRESHOLD - count;
+              const { data: feedback } = await github.rest.issues.createComment({
+                owner, repo, issue_number: prNumber,
+                body: `> 🧪 @${commenter} — Thanks for testing! **${count}/${THRESHOLD}** unique testers so far. Need ${remaining} more.`,
+              });
+              // Delete after 15 seconds
+              await new Promise(r => setTimeout(r, 15000));
+              await github.rest.issues.deleteComment({
+                owner, repo, comment_id: feedback.id,
+              }).catch(() => {});
+            }