ci: add cascade.yml — delegate bump-upstream to pilot-protocol/release@main

Author: teovl

.github/workflows/cascade.yml

@@ -0,0 +1,36 @@
+name: cascade
+
+# Auto-generated cascade shim. Delegates the bump-build-tag dance to
+# pilot-protocol/release. Adding a workflow_dispatch trigger lets us
+# exercise the cascade manually before the GitHub App is set up.
+
+on:
+  repository_dispatch:
+    types: [bump-upstream]
+  workflow_dispatch:
+    inputs:
+      upstream:
+        description: 'Upstream Go module (e.g. github.com/pilot-protocol/common)'
+        required: true
+        type: string
+      version:
+        description: 'Upstream version (e.g. v0.4.0 or v0.5.0-beta.1)'
+        required: true
+        type: string
+      is_prerelease:
+        description: 'true if upstream is a beta/rc'
+        required: false
+        type: boolean
+        default: false
+
+permissions:
+  contents: write
+
+jobs:
+  bump:
+    uses: pilot-protocol/release/.github/workflows/tag-bump.yml@main
+    with:
+      upstream: ${{ inputs.upstream || github.event.client_payload.upstream }}
+      version: ${{ inputs.version || github.event.client_payload.version }}
+      is_prerelease: ${{ inputs.is_prerelease == true || github.event.client_payload.is_prerelease == true }}
+      stable_only: true