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

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+# Canonical CI/CD config for hanzoai/decimal — the one file both the hanzoai/ci
+# reusable (.hanzo/workflows/cicd.yml) and platform.hanzo.ai read.
+#
+# A Go module (fixed-point decimal), the arithmetic hanzoai/money is built on.
+# It ships from a tag and builds no image, so there is no `images:` and no
+# `deploy:` — only a gate.
+#
+# This is the bottom of a money stack: a rounding change that passes silently
+# here is wrong everywhere above it. The parse-grammar suite pins the accepted
+# input surface, so the gate refuses both wrong answers and quietly-widened
+# syntax. `-count=1` so a green is this commit and not the test cache.
+test:
+  - name: build
+    run: |
+      set -e
+      go build ./...
+      go vet ./...
+      go test -race -count=1 ./...