ci: dispatch git events to decoded-docs vault

.github/workflows/dispatch-docs-event.yml

@@ -0,0 +1,92 @@
+name: Dispatch git events to docs vault
+
+on:
+  pull_request:
+    types: [closed]
+    branches: [main, dev]
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      type:
+        description: "Event type"
+        required: true
+        default: "manual"
+      message:
+        description: "Event message"
+        required: true
+        default: "Manual dispatch from monorepo"
+
+permissions:
+  contents: read
+
+jobs:
+  dispatch:
+    if: >-
+      github.event_name != 'pull_request' ||
+      github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Build payload
+        id: payload
+        shell: bash
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+          PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          PR_BASE: ${{ github.event.pull_request.base.ref }}
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+          RELEASE_NAME: ${{ github.event.release.name }}
+          RELEASE_URL: ${{ github.event.release.html_url }}
+          MANUAL_TYPE: ${{ github.event.inputs.type }}
+          MANUAL_MESSAGE: ${{ github.event.inputs.message }}
+        run: |
+          set -euo pipefail
+          case "$EVENT_NAME" in
+            pull_request)
+              type="pr-merge-${PR_BASE}"
+              message="PR #${PR_NUMBER} merged into ${PR_BASE}: ${PR_TITLE} (${PR_URL})"
+              ;;
+            release)
+              type="release"
+              message="Release ${RELEASE_TAG} — ${RELEASE_NAME} (${RELEASE_URL})"
+              ;;
+            workflow_dispatch)
+              type="${MANUAL_TYPE}"
+              message="${MANUAL_MESSAGE}"
+              ;;
+            *)
+              type="unknown"
+              message="Unhandled event: ${EVENT_NAME}"
+              ;;
+          esac
+          {
+            echo "type=${type}"
+            echo "message<<EOF"
+            echo "${message}"
+            echo "EOF"
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Trigger decoded-docs repository_dispatch
+        env:
+          GH_TOKEN: ${{ secrets.DOCS_DISPATCH_TOKEN }}
+          EVENT_TYPE: ${{ steps.payload.outputs.type }}
+          EVENT_MESSAGE: ${{ steps.payload.outputs.message }}
+        run: |
+          set -euo pipefail
+          payload=$(jq -nc \
+            --arg type "$EVENT_TYPE" \
+            --arg message "$EVENT_MESSAGE" \
+            '{event_type: "git-event", client_payload: {type: $type, message: $message}}')
+
+          if ! gh api \
+            --method POST \
+            -H "Accept: application/vnd.github+json" \
+            /repos/decodedcorp/decoded-docs/dispatches \
+            --input - <<<"$payload"; then
+            echo "::warning::Failed to dispatch git-event to decoded-docs."
+            exit 0
+          fi
+
+          echo "Dispatched git-event (${EVENT_TYPE}) to decoded-docs."