feat(sdk): add Flutter/Dart SDK for Synor Compute
Complete SDK implementation for Flutter and Dart applications:
lib/src/types.dart:
- Precision, ProcessorType, Priority, JobStatus enums
- SynorConfig for client configuration
- MatMulOptions, Conv2dOptions, AttentionOptions, InferenceOptions
- PricingInfo and UsageStats data classes
- SynorException for error handling
lib/src/tensor.dart:
- Full Tensor class with shape, dtype, and data
- Factory constructors: zeros, ones, rand, randn, eye, linspace, arange
- Operations: reshape, transpose, flatten
- Statistics: sum, mean, std, min, max, argmin, argmax
- Element-wise: add, sub, mul, div, scalar ops
- Activations: relu, sigmoid, tanh, softmax
- JSON serialization with base64-encoded binary data
lib/src/job.dart:
- JobResult with status, result, timing, and cost
- Job class with WebSocket streaming and HTTP polling
- JobStatusUpdate for real-time progress tracking
- JobBatch for parallel job management
lib/src/client.dart:
- SynorCompute main client
- Operations: matmul, conv2d, attention, elementwise, reduce
- LLM inference with streaming support
- Tensor upload/download/delete
- Job management: submit, cancel, list
- Pricing and usage statistics
Platform support: Android, iOS, Linux, macOS, Web, Windows