Kimi Code CLI Files

What's Changed

• fix(kosong): omit empty anthropic-beta header when no beta features declared by @7Sageer in https://github.com/MoonshotAI/kimi-cli/pull/2580
• chore(release): bump kosong to 0.56.0 by @jackfish212 in https://github.com/MoonshotAI/kimi-cli/pull/2581
• feat(shell): deprecation-aware update flow with one-key migration to Kimi Code by @jackfish212 in https://github.com/MoonshotAI/kimi-cli/pull/2630
• chore(release): bump kimi-cli to 1.50.0 by @sailist in https://github.com/MoonshotAI/kimi-cli/pull/2632

Full Changelog: https://github.com/MoonshotAI/kimi-cli/compare/1.49.0...1.50.0