Inspectr HQ

Operator guide for MCPLab config authoring and CLI usage. Use when users need help writing or debugging MCPLab eval YAML, running `mcplab run/app/report`, troubleshooting run failures (auth, config, scenario selection, numeric flags), interpreting outputs in `mcplab/results/evaluation-runs/*` (`results.json`, `summary.md`, `trace.jsonl`, `report.html`), or comparing agent performance with `--agents`.