build-workflow-v2

EXPERIMENTAL deterministic variant of build-workflow + deploy, JS-orchestrated. Two modes: GREENFIELD (new workflow) and EDIT (change an existing one). Phase ordering, gate-checks (validate / drift-safe push --verify), and fix-loop limits are enforced by a Claude Code JS Workflow script instead of prose — gates become if/while control flow the model cannot skip or short-circuit. Subagent roles live in…