Trigger push_gem from script/publish and allow manual dispatch

.github/workflows/push_gem.yml

@@ -4,6 +4,12 @@ on:
   push:
     tags:
       - v*
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to push to RubyGems (e.g. v4.14.0)'
+        required: true
+        type: string
 
 permissions:
   contents: read
@@ -29,6 +35,7 @@ jobs:
 
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
+          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}
           persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1

script/publish

@@ -71,3 +71,13 @@ gh release create "$tag" \
   --title "$version" \
   --notes "$changelog" \
   --repo ViewComponent/view_component
+
+# Kick off the Push Gem workflow explicitly. GitHub Actions does not
+# trigger downstream workflows for events driven by GITHUB_TOKEN — so
+# the tag push above will not fire push_gem.yml on its own when this
+# script runs inside the publish-release workflow. Dispatch it here so
+# 'script/publish' always results in a gem being pushed to RubyGems.
+gh workflow run push_gem.yml \
+  --repo ViewComponent/view_component \
+  --ref main \
+  --field tag="$tag" || true