# Configuration

Application settings are loaded from classpath properties files in `src/main/resources/config`.

## `application.properties`

| Key | Purpose | Current Default |
|---|---|---|
| `app.mode` | Generic mode flag | `test` |
| `streaming.url` | Initial URL for pixel streaming view | `http://localhost` |
| `python.path` | Python interpreter for simulator process | `C:\\Program Files\\PyManager\\python.exe` |
| `mqtt.broker.url` | MQTT broker connection URL | `tcp://localhost:1883` |
| `mqtt.client.id` | MQTT client identifier | `JavaClientPublisherSubscriber` |
| `mqtt.topic` | MQTT topic to subscribe to | `PREDICTION` |
| `mqtt_sim.enabled` | Enables simulator startup | `false` |
| `mqtt_sim.script` | Simulator script path | `src/main/resources/scripts/mqtt_simulator.py` |
| `animation.output.path` | Generated animation state file path | `data/animation.json` |
| `unreal.enabled` | Enables Unreal startup flow | `true` |
| `unreal.executable` | PowerShell script to start Unreal process | absolute path |
| `unreal.signalling_server.script` | Signalling server BAT file path | absolute path |
| `unreal.pid.file` | Unreal PID file for shutdown cleanup | absolute path |
| `unreal.signalling.pid.file` | Signalling PID file for shutdown cleanup | absolute path |

Notes:

- Paths can be provided with or without wrapping quotes; startup sanitizes surrounding quotes.
- Unreal-related defaults are environment-specific and should be replaced per machine.

## `logger.properties`

| Key | Purpose | Current Default |
|---|---|---|
| `logger.level` | Minimum log level | `DEBUG` |
| `logger.file.enabled` | Enables file logging | `true` |
| `logger.file` | Log output file | `logs/application.log` |
| `logger.max.size.mb` | Rotation threshold | `10` |

## Related Script Files

- `src/main/resources/scripts/mqtt_simulator.py`
- `src/main/resources/scripts/start_avatar.ps1`