Add Gitea live redeploy workflow

.gitea/workflows/deploy-live.yml

@@ -0,0 +1,43 @@
+name: Deploy Explorer Live
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main, master]
+    paths:
+      - '.gitea/workflows/deploy-live.yml'
+      - 'backend/**'
+      - 'config/**'
+      - 'deployment/**'
+      - 'docs/**'
+      - 'frontend/**'
+      - 'scripts/**'
+      - 'package.json'
+      - 'package-lock.json'
+      - 'Makefile'
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Validate live deploy assets
+        run: |
+          test -f scripts/deploy-explorer-config-to-vmid5000.sh
+          test -f scripts/deploy-explorer-ai-to-vmid5000.sh
+          test -f scripts/deploy-next-frontend-to-vmid5000.sh
+          test -f deployment/LIVE_DEPLOYMENT_MAP.md
+
+      - name: Trigger explorer-live deployment
+        run: |
+          SHA="$(git rev-parse HEAD)"
+          BRANCH="${GITHUB_REF_NAME:-}"
+          if [ -z "$BRANCH" ] || [ "$BRANCH" = "HEAD" ]; then
+            BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+          fi
+          curl -sSf -X POST "${{ secrets.PHOENIX_DEPLOY_URL }}" \
+            -H "Authorization: Bearer ${{ secrets.PHOENIX_DEPLOY_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{\"repo\":\"${{ gitea.repository }}\",\"sha\":\"${SHA}\",\"branch\":\"${BRANCH}\",\"target\":\"explorer-live\"}"