Spec Execution Overview Executes a feature specification through 6 iterative phases with quality-gated convergence. Each phase builds on the previous, with improvement cycles triggered when quality falls below threshold. Six Phases Phase 1: Implementation - Read specification for requirements and architecture - Implement each requirement following project conventions - Add type definitions and JSDoc documentation - Implement error handling for all failure modes Phase 2: Test Writing - Write unit tests for each module/function - Write integration tests for API boundaries - Cover all acceptance…