11 tasks across 2 independent tracks: - Track 1 (Tasks 1-5): Wire fxt train → gRPC → JobSpawner → K8sDispatcher → GPU Jobs - Track 2 (Tasks 6-9): Wire promotion RPCs to real PromotionManager - Shared (Tasks 10-11): Docker build + end-to-end validation Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>