Implement comprehensive Rust SDK for Solana AI Registries #2

	name: Rust SDK CI

	on:
	push:
	branches: [ main, develop ]
	paths:
	- 'rust/**'
	- '.github/workflows/rust-ci.yml'
	pull_request:
	branches: [ main, develop ]
	paths:
	- 'rust/**'
	- '.github/workflows/rust-ci.yml'

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test:
	name: Test Rust SDK
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./rust

	strategy:
	matrix:
	rust: [stable, beta]

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install Rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	profile: minimal
	override: true
	components: rustfmt, clippy

	- name: Cache cargo registry
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-${{ matrix.rust }}-cargo-

	- name: Check formatting
	run: cargo fmt -- --check

	- name: Build with no features
	run: cargo build --no-default-features

	- name: Build with all features
	run: cargo build --all-features

	- name: Test with no features
	run: cargo test --no-default-features

	- name: Test with all features
	run: cargo test --all-features

	- name: Test individual features
	run: \|
	cargo test --features pyg
	cargo test --features prepay
	cargo test --features stream

	- name: Check package can be built
	run: cargo package --allow-dirty

Provide feedback