ci: canonical pair — hanzo.yml + forge caller

github.com has no runner for hanzo-build-linux-amd64, so a caller under
.github/workflows is a gate that can never be scheduled. This is the ~7-line
caller on the plane that can (git.hanzo.ai git-runner fleet), pinned @v1.

Co-authored-by: Hanzo Dev <[email protected]>

.hanzo/workflows/cicd.yml

@@ -0,0 +1,15 @@
+# Canonical caller — every knob lives in /hanzo.yml, none here.
+# Runs on the git-runner fleet at git.hanzo.ai, the only pool serving these
+# labels. github.com resolves only .github/workflows and has no runner for
+# them, so a caller placed there is a gate that cannot be scheduled.
+name: CI/CD
+on:
+  push:
+    branches: [main]
+    tags: ['v*']
+  pull_request:
+  workflow_dispatch:
+jobs:
+  cicd:
+    uses: hanzoai/ci/.hanzo/workflows/build.yml@v1
+    secrets: inherit

hanzo.yml

@@ -0,0 +1,9 @@
+# The self-hosted runner image itself. There is no source here to test — the
+# Dockerfile is the product, so building it IS the gate: a bad apt line, a
+# GH_RUNNER_VERSION that no longer publishes an asset, or a broken entrypoint
+# fails the build and nothing ships.
+images:
+  - name: docker-github-actions-runner
+    context: .
+    dockerfile: Dockerfile
+    repo: ghcr.io/hanzoai/docker-github-actions-runner