lan 3a9aaef996 Enhance printing functionality with SNMP support and update dependencies
- Added SNMP configuration options to `AppConfig` for querying printer status.
- Extended `PrintInstruction` in the proto file to support additional fields for remote file URLs and raw data.
- Implemented logic in `CupsClient` to retrieve printer paper levels and page counts via SNMP.
- Updated `Cargo.toml` to include `snmp` and `reqwest` dependencies for network communication.
- Refactored `TempPdf` handling to support multiple data sources for printing.
- Improved error handling and logging for better diagnostics during print operations.
2025-12-14 22:04:27 +08:00
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Rust 100%