v0.5.0

What's Changed

• Show inline images via show_image local MCP server
• Support file upload in composer
• Add session pinning
• Use AI session titles and support rename
• Add optional Telegram integration (#3)
• Modernize header/sidebar styling; rename main chat to Router
• Unify session metadata store; preserve chat position across resize

Full Changelog: v0.4.0...v0.5.0