Changelog

• f7e0b20 feat: add --json flag for machine-readable output
• 831f7c9 feat: add configurable retry count via --retries flag
• 20b7a57 feat: add context propagation and graceful shutdown on Ctrl+C
• d0cb8d9 feat: add environment variable support for configuration
• 39cdc93 feat: add failure suggestions and human-readable file sizes
• 9bff57a feat: add per-file upload start indicator
• e7e4d99 fix: add HTTP client with configurable timeouts
• 3504df9 fix: limit HTTP response body read to prevent memory spike
• 57681da fix: show file preview with sizes and fix progress output to stdout

Full Changelog: https://github.com/Drenzzz/ranoz-go/commits/v1.0.0