The app

The window is a chat with an agent in it. Sessions are listed on the left, with search, pinning and date groups; each session is its own file on your disk, so two copies of Letronna can run at once.

Talking to it

• Replies stream in as markdown. Tools the agent uses — reading files, running commands, reading a web page, searching past sessions — show in the chat, and anything that changes your computer asks first.
• Pick the model from the model menu. It lists every model from Letronna and from each gateway you have set up, and a message goes to the gateway of the model you pick.
• Effort, thinking and web search can be switched where the model supports them.
• When a conversation outgrows the model's window, older turns are summarised instead of forgotten.

Ctrl+K opens a palette of actions, pages, sessions and models, and every part of the window can be reached from the keyboard. Beside the chat, the Files tab browses the project, the Changes tab reviews and reverts this session's edits, and the Jobs tab shows background commands.

Settings

• Accounts: each gateway, where it stands — signed in, connected, not set up, not running — and its key.
• Account: who is signed in, your credit, and who pays for hosted models: you, or a team you are in.
• The other pages hold the rest, among them Search (the search service), Model (a cheaper side model for summaries, and session names), Appearance (colours and film grain), Memory and Wallet.

The window can also be reached from Telegram and Discord, and scheduled jobs report there. Artifacts and Skills have their own pages.

On each system

Closing the window keeps Letronna in the tray on Windows and Linux: click the icon to bring it back, or right-click to quit. Uninstall from Apps & features on Windows, or with letronna --uninstall.