feat: add cross-repo CI dispatch — trigger dependents on push

Author: srpatcha

.github/workflows/cross-repo-dispatch.yml

@@ -0,0 +1,27 @@
+name: Cross-Repo Dispatch
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  notify-dependents:
+    name: Trigger dependent repos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dispatch to dependents
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          echo "========================================"
+          echo "  Cross-Repo CI Dispatch"
+          echo "  Source: ebuild @ ${{ github.sha }}"
+          echo "========================================"
+          for repo in eos eboot eai eni eipc eos-sdk; do
+            echo "Dispatching to $repo..."
+            gh api repos/embeddedos-org/$repo/dispatches \
+              -X POST -f event_type=dependency-update \
+              -f client_payload[source]=ebuild \
+              -f client_payload[sha]=${{ github.sha }} 2>&1 || echo "  (dispatch to $repo skipped — may need PAT)"
+          done
+          echo "All dispatches sent"