- Add ExitCoder interface for edition-specific error types to provide custom exit codes
- Add RawStderrError interface for errors that bypass CLI formatting and output raw content to stderr
- Update ExitCode() to resolve exit codes via ExitCoder interface before falling back to default
- Add ClassifyToolResult hook in edition.Hooks for custom MCP tool result error classification
- Invoke ClassifyToolResult in runner before default business-error detection
- Handle RawStderrError in printExecutionError to pass raw JSON through to desktop runtime
- Add unit tests for ExitCoder and RawStderrError interfaces
wxianfeng