Show conversations as cards and adapt emails to the dark theme

Keep typing fast with a long message list

Show the images an email embeds

Keep machines in sync through git.cafe

Add agent skill configuration

Add folder navigation and draft management

Add MCP tools for AI agents to access mail

Run in the tray and notify about new mail

Add attachments, Spark-style tooltips and a native ARM64 build

Document account setup in the README

Add real mail accounts: Gmail, IMAP and Microsoft 365

Add the spark-rs workspace

Initial commit