## docs/operational/config/ — Configuration & Performance

### Scope

Operational configuration and performance guidance:

- Configuration sources and precedence
- Checkpoint/resume behavior
- Performance troubleshooting and tuning

### Files

| File | Purpose |
| --- | --- |
| `README.md` | Navigation and quick pointers |
| `configuration.md` | Configuration system, precedence, and defaults |
| `checkpoint-resume.md` | Checkpoint files and resume semantics |
| `performance-optimization.md` | Performance tuning guidance |

### See also

- [`docs/operational/troubleshooting/`](../troubleshooting/)
- [`infrastructure/core/`](../../../infrastructure/core/)