v0.4.0

New Features

• File transfer — upload_file, download_file, list_files via SFTP (max 1MB, binary-safe)
• Non-blocking input — background_send tool returns immediately without waiting for output

Improvements

• Context-aware reads — read_output and send_and_read return early on request cancellation
• Faster send_and_read — removed fixed 100ms sleep between input and output
• Blocking-aware tool descriptions — guides AI agents toward non-blocking patterns

Full Changelog: v0.3.1...v0.4.0

Full Changelog: v0.3.1...v0.4.0