v1.0.0

Changelog

• 9b12ec8 Add attachment support to messages send command
• 17b8f01 Add full attachment support and fix flag conflicts
• 834bfb4 Add human-readable output format with --output flag
• 7d170dc Improve assets command documentation
• b075360 Initial commit: Beeper Desktop API CLI
• 83003f9 Make version injectable via ldflags for releases
• 6b05143 Reorganize CLI into separate files for maintainability
• d9aa753 fix: Apply cleanID to all ID parameters and add tests
• 0dedf31 fix: Apply cleanID to focus command flags
• 66c38f7 fix: Check error returns from MarkFlagRequired
• bda6c5e fix: Handle array responses and shell-escaped IDs