Harden inter-hub production deploy trigger

.gitea/workflows/inter-hub-production-deploy.yaml

@@ -0,0 +1,50 @@
+name: Inter-Hub production deploy
+
+on:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: "Immutable inter-hub image tag to deploy, for example 5101eb5"
+        required: true
+      confirm:
+        description: "Type deploy-inter-hub-production to confirm Railiance01 production deploy"
+        required: true
+
+jobs:
+  deploy:
+    runs-on: [self-hosted, haskelseed, linux_amd64]
+    timeout-minutes: 20
+    env:
+      INTER_HUB_IMAGE_TAG: ${{ inputs.image_tag }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Validate dispatch inputs
+        env:
+          CONFIRM: ${{ inputs.confirm }}
+        run: |
+          set -euo pipefail
+          if [ "$CONFIRM" != "deploy-inter-hub-production" ]; then
+            echo "Refusing deploy: confirmation text did not match." >&2
+            exit 1
+          fi
+          if ! [[ "$INTER_HUB_IMAGE_TAG" =~ ^[A-Za-z0-9._-]+$ ]]; then
+            echo "Refusing deploy: image_tag contains unsupported characters." >&2
+            exit 1
+          fi
+
+      - name: Verify image manifest exists
+        run: make check-inter-hub-image
+
+      - name: Helm server dry-run
+        run: make inter-hub-server-dry-run
+
+      - name: Deploy Inter-Hub
+        run: make inter-hub-deploy
+
+      - name: Show release status
+        run: make inter-hub-status
+
+      - name: Run public smoke checks
+        run: make inter-hub-smoke