Schema Optimization Orchestrator Runs a multi-phase schema optimization workflow with strict validation and evidence collection. Workflow Pattern This is a test harness pattern: - Creates isolated session directory per run - Spawns 5 phase agents sequentially - Each phase reads reference docs, runs scripts, writes reports - Validates JSON outputs and file artifacts - Aggregates final summary Inputs (JSON) Required: - skill dir : Absolute path to this skill directory - input folder : Path to data to analyze - extraction type : Type of data extraction (e.g., "bigquery json") Optional: - session…