feat(ci): add uptime and SSL checks to repo-health workflow

Authored-by: Moko Consulting

.gitea/workflows/repo-health.yml

@@ -764,3 +764,41 @@ jobs:
           fi
 
           printf '%s\n' 'Repository health guardrails passed.' >> "${GITHUB_STEP_SUMMARY}"
+
+
+  site-health:
+    name: Site Health
+    runs-on: ubuntu-latest
+    if: github.event_name == 'workflow_dispatch'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+
+      - name: Uptime check
+        if: env.URLS != ''
+        run: |
+          echo "$URLS" > /tmp/urls.txt
+          php monitoring/uptime-probe.php --urls /tmp/urls.txt --timeout 15 || echo "::warning::Some sites are down"
+          rm -f /tmp/urls.txt
+        env:
+          URLS: ${{ vars.MONITORED_URLS }}
+
+      - name: SSL certificate check
+        if: env.DOMAINS != ''
+        run: |
+          echo "$DOMAINS" > /tmp/domains.txt
+          php monitoring/ssl-check.php --domains /tmp/domains.txt --warn-days 30 || echo "::warning::SSL certificates expiring soon"
+          rm -f /tmp/domains.txt
+        env:
+          DOMAINS: ${{ vars.MONITORED_DOMAINS }}
+
+      - name: Summary
+        if: always()
+        run: |
+          echo "### Site Health" >> $GITHUB_STEP_SUMMARY
+          echo "Uptime and SSL checks completed." >> $GITHUB_STEP_SUMMARY
+