This repository provides a Dart FFI binding for llama.cpp, targeting Flutter mobile apps on iOS, Android, and macOS. It wraps the native C API with a modular, isolate-safe architecture: a worker isolate (LlamaEngine) owns the native model and context, while the main isolate communicates via message passing. The binding exposes streaming token generation, chat template rendering, multimodal (vision/audio) support, speculative decoding, context shifting, and session persistence. The codebase is well-structured with clear separation of concerns: FFI bindings, model/context wrappers, sampling, tokenization, and generation logic are each in their own modules. It uses modern Dart features (sealed classes, records, pattern matching) and demonstrates high craftsmanship in error handling, resource management, and cross-isolate communication. The package is a Flutter plugin with native-assets build hooks for Android and Swift Package Manager support for Apple platforms.