- Added `overcurrent_ma` field to pump results for capturing overcurrent data.
- Enhanced pumping logic to record and propagate overcurrent issues per plant.
- Updated `PumpState` and `PlantState` to handle overcurrent errors.
- Replaced Bincode with Postcard for serialization/deserialization across configs and save operations.
- Simplified struct derives by removing `bincode`-specific traits.
- Updated `Cargo.toml` and `Cargo.lock` to include `postcard` and dependencies.
- Added padding stripping for deserialization and improved error handling.
- Adjusted serialization logic in `savegame_manager.rs` and related modules.
- Replaced `read_hardware_state` with `interpret_raw_values` for better abstraction and clarity.
- Enhanced error handling by introducing `NoMessage` and `NotExpectedMessage` states.
- Updated moisture sensor logic to differentiate expected and unexpected messages.
- Renamed and refactored enum fields for consistency (`raw_hz` to `hz`).
- Minor imports and formatting optimizations.
