Build teaser-2026 into prod

.github/workflows/main.yml

@@ -4,10 +4,19 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: Branch or tag to build and deploy
+        required: false
+        default: teaser-2026
+        type: string
 
 jobs:
   build:
     uses: ./.github/workflows/build.yml
+    with:
+      ref: ${{ github.event_name == 'workflow_dispatch' && inputs.ref || github.ref_name }}
     secrets:
       USER_AUTH: ${{ secrets.USER_AUTH }}