# API Reference
Entry page for [Full API](reference/index) documentation.

## Core Packages

| Package | Description | 
| --- | --- | 
| [`plestylib.data`](reference/plestylib/data/index) | Data containers, units, and type helpers 
| [`plestylib.device`](reference/plestylib/device/index) | Base device model, parameter/function systems, async wrappers |
| [`plestylib.traffic`](reference/plestylib/traffic/index) | Transport backends (TCP/IP, VISA, Serial) |
| [`plestylib.solver`](reference/plestylib/solver/index) | Command and operation solvers |
| [`plestylib.service`](reference/plestylib/service/index) | TCP/IP server/client and service builders |
| [`plestylib.sim`](reference/plestylib/sim/index) | Synthetic data generation for testing |
| [`plestylib.utils`](reference/plestylib/utils/index) | Shared utilities (logging, errors, registry, DLL helpers) |

