sync from monorepo @ 2452e92e

crates/opencode_client/CLAUDE.md

@@ -0,0 +1,30 @@
+# Package: opencode_client
+
+Rust client library for interacting with the OpenCode.ai API.
+
+## Quick Facts
+- **Type**: Library
+- **Main Entry**: src/lib.rs
+- **Dependencies**: reqwest, serde, serde_json, chrono
+
+## Key Files
+- `src/lib.rs` - Public API exports
+- `src/types.rs` - OpenCode API type definitions (Session, Message, Part, etc.)
+- `src/client.rs` - HTTP client implementation with optional logging callbacks
+
+## Main Exports
+- `OpenCodeClient` - Main API client with methods: list_sessions, list_messages, send_message
+- `Session` - Session metadata and configuration
+- `Message` - User or Assistant message (tagged enum)
+- `MessageWithParts` - Message info + content parts
+- `Part` - Text, Reasoning, or workflow parts (StepStart, StepFinish, Tool)
+- `ClientError` - Error types: Http, Request, Serialization
+- `LogCallback` - Type alias for logging callbacks
+
+## Related
+- Used by: web, mobile (future), desktop (future)
+- Independent: Can be used in any Rust project
+
+## Documentation
+- README: ./README.md
+- API spec: ../../docs/api/opencode.md