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thalamus: add thinking mode toggles (native + tool)

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Two independent toggles on the thalamus screen:
- 't' toggles native Qwen <think> tags (adds <think>\n to generation prompt)
- 'T' toggles think tool (Anthropic-style structured reasoning tool)

Both can be enabled simultaneously. Native thinking is on by default.

Co-Authored-By: Proof of Concept <poc@bcachefs.org>
This commit is contained in:
Kent Overstreet 2026-04-14 18:25:00 -04:00
parent be909028a7
commit 5d6e663b60
5 changed files with 128 additions and 1 deletions
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45
src/user/thalamus.rs
View file

@ -43,6 +43,32 @@ impl ScreenView for ThalamusScreen {
0 => -0.05, 1 => -0.05, 2 => -5.0, _ => 0.0,
};
}
KeyCode::Char('t') => {
app.think_native = !app.think_native;
if let Ok(mut st) = app.agent.state.try_lock() {
st.think_native = app.think_native;
let status = if app.think_native { "enabled" } else { "disabled" };
st.notify(format!("native thinking {}", status));
}
}
KeyCode::Char('T') => {
app.think_tool = !app.think_tool;
if let Ok(mut st) = app.agent.state.try_lock() {
st.think_tool = app.think_tool;
// Add or remove the think tool from the tools list
if app.think_tool {
if !st.tools.iter().any(|t| t.name == "think") {
st.tools.push(crate::agent::tools::think_tool());
}
st.notify("think tool enabled");
} else {
st.tools.retain(|t| t.name != "think");
st.notify("think tool disabled");
}
}
// Trigger tools rebuild to update the system prompt
app.rebuild_tools_pending = true;
}
_ => {}
}
}
@ -80,6 +106,25 @@ impl ScreenView for ThalamusScreen {
}
lines.push(Line::raw(""));
// Thinking mode
lines.push(Line::styled("── Thinking (t/T toggle) ──", section));
lines.push(Line::raw(""));
let native_style = if app.think_native { Style::default().fg(Color::Green) } else { dim };
let tool_style = if app.think_tool { Style::default().fg(Color::Green) } else { dim };
lines.push(Line::from(vec![
Span::raw(" "),
Span::styled(if app.think_native { "●" } else { "○" }, native_style),
Span::styled(" native <think> tags ", native_style),
Span::styled("[t]", Style::default().fg(Color::DarkGray)),
]));
lines.push(Line::from(vec![
Span::raw(" "),
Span::styled(if app.think_tool { "●" } else { "○" }, tool_style),
Span::styled(" think tool ", tool_style),
Span::styled("[T]", Style::default().fg(Color::DarkGray)),
]));
lines.push(Line::raw(""));
// Sampling parameters
lines.push(Line::styled("── Sampling (←/→ adjust) ──", section));
lines.push(Line::raw(""));