Add Rust support

CONTRIBUTING.md

@@ -34,6 +34,10 @@ This is a multi-language SDK repository. Install the tools for the SDK(s) you pl
 1. Install [.NET 8.0+](https://dotnet.microsoft.com/download)
 1. Install dependencies: `cd dotnet && dotnet restore`
 
+### Rust SDK
+1. Install [Rust 1.75+](https://www.rust-lang.org/tools/install) (2021 edition)
+1. Install dependencies: `cd rust && cargo build`
+
 ## Submitting a pull request
 
 1. [Fork][fork] and clone the repository
@@ -60,11 +64,13 @@ just test-nodejs   # Node.js tests
 just test-python   # Python tests
 just test-go       # Go tests
 just test-dotnet   # .NET tests
+just test-rust     # Rust tests
 
 just lint-nodejs   # Node.js linting
 just lint-python   # Python linting
 just lint-go       # Go linting
 just lint-dotnet   # .NET linting
+just lint-rust     # Rust linting
 ```
 
 Or run commands directly in each SDK directory:
@@ -81,6 +87,9 @@ cd go && go test ./... && golangci-lint run ./...
 
 # .NET
 cd dotnet && dotnet test test/GitHub.Copilot.SDK.Test.csproj
+
+# Rust
+cd rust && cargo test && cargo clippy -- -D warnings
 ```
 
 Here are a few things you can do that will increase the likelihood of your pull request being accepted:

README.md

@@ -12,6 +12,7 @@ All SDKs are in technical preview and may change in breaking ways as we move tow
 | **Python**               | [`./python/`](./python/README.md) | `pip install github-copilot-sdk`          |
 | **Go**                   | [`./go/`](./go/README.md)         | `go get github.com/github/copilot-sdk/go` |
 | **.NET**                 | [`./dotnet/`](./dotnet/README.md) | `dotnet add package GitHub.Copilot.SDK`   |
+| **Rust**                 | [`./rust/`](./rust/README.md)     | `cargo add copilot-sdk`                   |
 
 See the individual SDK READMEs for installation, usage examples, and API reference.
 

justfile

@@ -3,13 +3,13 @@ default:
     @just --list
 
 # Format all code across all languages
-format: format-go format-python format-nodejs format-dotnet
+format: format-go format-python format-nodejs format-dotnet format-rust
 
 # Lint all code across all languages
-lint: lint-go lint-python lint-nodejs lint-dotnet
+lint: lint-go lint-python lint-nodejs lint-dotnet lint-rust
 
 # Run tests for all languages
-test: test-go test-python test-nodejs test-dotnet
+test: test-go test-python test-nodejs test-dotnet test-rust
 
 # Format Go code
 format-go:
@@ -71,6 +71,21 @@ test-dotnet:
     @echo "=== Testing .NET code ==="
     @cd dotnet && dotnet test test/GitHub.Copilot.SDK.Test.csproj
 
+# Format Rust code
+format-rust:
+    @echo "=== Formatting Rust code ==="
+    @cd rust && cargo fmt
+
+# Lint Rust code
+lint-rust:
+    @echo "=== Linting Rust code ==="
+    @cd rust && cargo clippy -- -D warnings
+
+# Test Rust code
+test-rust:
+    @echo "=== Testing Rust code ==="
+    @cd rust && cargo test
+
 # Install all dependencies
 install:
     @echo "=== Installing dependencies ==="

rust/.gitignore

@@ -0,0 +1,5 @@
+# Rust build artifacts
+/target/
+
+# Cargo lock file (optional for libraries)
+# Cargo.lock