tinqs/ci — composite actions + Lambda dispatcher for Spot CI runners

Actions: checkout, setup-go, setup-node, setup-aws
Dispatcher: Lambda → EC2 Spot (ephemeral, self-terminating)
Images: base, go, node, docker, deploy, godot

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

images/deploy/Dockerfile

@@ -0,0 +1,10 @@
+# tinqs/ci deploy — lightweight deploy-only runner
+# Used by: deploy-arikigame, release
+# runs-on: deploy
+# Smallest image — just AWS CLI + SSH for S3 sync, CloudFront invalidation, ECS updates.
+
+ARG BASE_IMAGE=tinqs-runner-base:latest
+FROM ${BASE_IMAGE}
+
+# Nothing extra needed — base already has aws, git, ssh, curl
+RUN aws --version && ssh -V