helix-phased-mode-trigger-signals-for-multi-phase-platform-builds
For large platform builds, select PHASED (not AUTONOMOUS) when the user says ‘face by face’, ‘guide me how to go about it’, or explicitly references phases. PHASED enforces mandatory user-approval checkpoints between each Helix layer, preventing runaway autonomous execution on high-stakes platform decisions. AUTONOMOUS is only correct when scope, users, and acceptance criteria are all pre-confirmed; any ambiguity mandates PHASED with interrogation gates.