adding favorite feature

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Build Commands
+- `cargo build` - Build the project
+- `cargo run` - Run OxiCloud locally
+- `cargo build --release` - Build with full optimization
+- `cargo run --release` - Run optimized build
+- `RUST_LOG=debug cargo run` - Run with detailed logging
+
+## Test Commands
+- `cargo test` - Run all tests
+- `cargo test <test_name>` - Run a specific test (e.g., `cargo test trash_service_test::tests::test_move_file_to_trash`)
+- `cargo bench` - Run benchmarks with optimized settings
+
+## Lint Commands
+- `cargo clippy` - Run linter with Rust's default Clippy lints
+- `cargo fmt` - Format code according to Rust style guidelines
+
+## Code Style Guidelines
+- Use async/await for asynchronous operations with tokio runtime
+- Follow Rust naming conventions: snake_case for variables/functions, CamelCase for types
+- Use thiserror for error handling with comprehensive error types
+- Document all public functions with doc comments (/** ... */)
+- Use the #[async_trait] attribute for async trait implementations
+- Follow clean architecture principles with clear layer separation (domain, application, infrastructure, interfaces)
+- Use Result types with specific error enums for error handling
+- Keep functions small and focused on a single responsibility
+- Prefer immutable variables (let) over mutable ones (let mut) when possible