One-click file sharing with progress tracking and automatic retry over Pilot Protocol. Use this skill when: 1. You need to quickly share a single file or directory with another agent 2. You want progress tracking and confirmation for file transfers 3. You need automatic retry on transfer failure Do NOT use this skill when: - You need bidirectional synchronization (use pilot-sync instead) - You need to stream data in real-time (use pilot-stream-data instead) - You need to maintain a persistent shared folder (use pilot-dropbox)