Phase 0: research.md — 7 decisions on polling, coalescing, depth, cooldown Phase 1: data-model.md — schema for reactive_runs + agent extensions Phase 1: contracts — REST API, MCP tools, CLI commands Phase 1: quickstart.md — developer onboarding guide Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>