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//! TUI event types — messages from the worker thread to the render loop,
//! and user inputs from the render loop back to the worker thread.
/// Events fired by the worker thread and polled by the render loop.
#[derive(Debug)]
pub enum TuiEvent {
/// Streaming text delta — one or more tokens from the model.
Token(String),
/// A full turn completed.
TurnComplete {
text: String,
iterations: u32,
in_tok: u32,
out_tok: u32,
},
/// A tool call started (before the tool runs).
ToolCallStart { name: String, input_preview: String },
/// A tool call finished.
ToolCallDone {
name: String,
result_preview: String,
ok: bool,
elapsed_ms: u64,
},
/// Session was auto-compacted; `removed` messages were summarised.
Compacted { removed: usize },
/// Session was persisted to disk.
Saved,
/// A turn failed with this error message.
TurnError(String),
/// Worker is actively running a turn (true) or idle (false).
Working(bool),
/// Current estimated session token count + compaction threshold.
TokensUpdate { estimated: usize, threshold: usize },
/// Worker rebuilt the runtime from a fresh session (response to /clear).
SessionReset,
}
/// Commands sent from the TUI render loop to the worker thread.
#[derive(Debug)]
pub enum UserInput {
/// User submitted a text message to send to the model.
Message(String),
/// User typed a slash command (e.g. `clear` for `/clear`).
SlashCommand(String),
/// User quit the TUI.
Quit,
}