feat(quick-pane): add follow-up chat renewal

ui/src-tauri/src/lib.rs

@@ -9,7 +9,7 @@ use std::{
     time::Duration,
 };
 use tauri::{
-    async_runtime::JoinHandle, AppHandle, Emitter, Manager, State, WebviewWindow,
+    async_runtime::JoinHandle, AppHandle, Emitter, LogicalSize, Manager, State, WebviewWindow,
     WebviewWindowBuilder, WindowEvent,
 };
 
@@ -283,6 +283,28 @@ async fn get_model_catalog() -> Result<Value, String> {
     bridge::get_model_catalog(&socket_path()?).await
 }
 
+fn quick_pane_height(height: f64) -> f64 {
+    height.clamp(360.0, 520.0)
+}
+
+#[tauri::command]
+fn resize_quick_pane(app: AppHandle, height: f64) -> Result<(), String> {
+    if !height.is_finite() {
+        return Err("Quick Pane height must be finite".to_owned());
+    }
+    let quick_pane = app
+        .get_webview_window("quick-pane")
+        .ok_or_else(|| "Quick Pane window is unavailable".to_owned())?;
+    let scale_factor = quick_pane.scale_factor().map_err(|error| error.to_string())?;
+    let current_size = quick_pane.inner_size().map_err(|error| error.to_string())?;
+    quick_pane
+        .set_size(LogicalSize::new(
+            f64::from(current_size.width) / scale_factor,
+            quick_pane_height(height),
+        ))
+        .map_err(|error| error.to_string())
+}
+
 #[tauri::command]
 fn dismiss_quick_pane(
     app: AppHandle,
@@ -601,6 +623,7 @@ pub fn run() {
             get_workspace,
             get_workspace_summary,
             get_model_catalog,
+            resize_quick_pane,
             dismiss_quick_pane,
             create_session_runtime,
             create_quick_runtime,
@@ -767,7 +790,9 @@ mod tests {
             .unwrap();
 
         assert_eq!(quick_pane.width, 640.0);
-        assert_eq!(quick_pane.height, 440.0);
+        assert_eq!(quick_pane.height, 360.0);
+        assert_eq!(quick_pane.min_width, Some(520.0));
+        assert_eq!(quick_pane.min_height, Some(360.0));
         assert_eq!(quick_pane.url.to_string(), "index.html");
         assert!(!quick_pane.visible);
         assert!(quick_pane.transparent);
@@ -775,6 +800,13 @@ mod tests {
         assert!(quick_pane.skip_taskbar);
     }
 
+    #[test]
+    fn quick_pane_height_stays_within_content_limit() {
+        assert_eq!(quick_pane_height(200.0), 360.0);
+        assert_eq!(quick_pane_height(420.0), 420.0);
+        assert_eq!(quick_pane_height(900.0), 520.0);
+    }
+
     #[test]
     fn toggle_hides_a_visible_window_and_shows_a_hidden_window() {
         let toggle = vec!["--toggle".to_owned()];

ui/src-tauri/src/ui_state.rs

@@ -46,7 +46,6 @@ pub struct QuickPaneSettings {
     pub follow_up_provider: String,
     pub follow_up_model: String,
     pub instructions: String,
-    pub maximum_seconds: u32,
     pub maximum_tool_calls: u32,
 }
 
@@ -58,8 +57,7 @@ impl Default for QuickPaneSettings {
             model: String::new(),
             follow_up_provider: String::new(),
             follow_up_model: String::new(),
-            instructions: "Answer quickly. Do not use subagents. Prefer read-only inspection. Escalate mutations, multi-step work, or work likely to exceed budget.".to_owned(),
-            maximum_seconds: 60,
+            instructions: "Answer quickly. Do not use subagents. Prefer read-only inspection. Escalate mutations, multi-step work, or complex work.".to_owned(),
             maximum_tool_calls: 6,
         }
     }
@@ -232,9 +230,8 @@ pub fn validate(state: &UiStateV1) -> Result<(), String> {
     if quick.instructions.is_empty() || quick.instructions.len() > 4096 {
         return Err("Quick-pane instructions must contain 1 to 4096 bytes".to_owned());
     }
-    if !(1..=600).contains(&quick.maximum_seconds) || !(1..=64).contains(&quick.maximum_tool_calls)
-    {
-        return Err("Quick-pane limits are outside the supported range".to_owned());
+    if !(1..=64).contains(&quick.maximum_tool_calls) {
+        return Err("Quick-pane tool-call limit is outside the supported range".to_owned());
     }
     total_string_bytes = total_string_bytes
         .saturating_add(quick.workspace.len())
@@ -281,7 +278,16 @@ pub fn load_from(app_data_dir: &Path) -> Result<UiStateV1, String> {
     if content.len() > MAX_FILE_BYTES {
         return Err("UI state file exceeds the size limit".to_owned());
     }
-    let state: UiStateV1 = serde_json::from_slice(&content)
+    let mut value: serde_json::Value = serde_json::from_slice(&content)
+        .map_err(|error| format!("UI state is corrupt or unsupported: {error}"))?;
+    // Read legacy persisted cap once, but never retain or serialize it again.
+    if let Some(quick_pane) = value
+        .get_mut("quickPane")
+        .and_then(serde_json::Value::as_object_mut)
+    {
+        quick_pane.remove("maximumSeconds");
+    }
+    let state: UiStateV1 = serde_json::from_value(value)
         .map_err(|error| format!("UI state is corrupt or unsupported: {error}"))?;
     validate(&state)?;
     Ok(state)
@@ -443,11 +449,27 @@ mod tests {
         state.quick_pane.follow_up_provider = "provider".into();
         state.quick_pane.follow_up_model = "follow-up-model".into();
         assert!(validate(&state).is_ok());
-        state.quick_pane.maximum_seconds = 0;
+        state.quick_pane.maximum_tool_calls = 0;
         assert!(validate(&state).is_err());
         fs::remove_dir_all(root).unwrap();
     }
 
+    #[test]
+    fn legacy_maximum_seconds_loads_but_is_not_serialized() {
+        let root = temp_dir("quick-pane-legacy-seconds");
+        fs::create_dir_all(&root).unwrap();
+        let path = state_path(&root);
+        fs::write(
+            &path,
+            r#"{"version":1,"quickPane":{"workspace":"","provider":"","model":"","followUpProvider":"","followUpModel":"","instructions":"valid","maximumSeconds":60,"maximumToolCalls":6}}"#,
+        )
+        .unwrap();
+        let state = load_from(&root).unwrap();
+        save_to(&root, &state).unwrap();
+        assert!(!fs::read_to_string(&path).unwrap().contains("maximumSeconds"));
+        fs::remove_dir_all(root).unwrap();
+    }
+
     #[test]
     fn second_save_replaces_valid_state_without_leaving_temporary_files() {
         let root = temp_dir("replace");

ui/src-tauri/tauri.conf.json

@@ -29,9 +29,9 @@
         "label": "quick-pane",
         "title": "Pi Quick Pane",
         "width": 640,
-        "height": 440,
-        "minWidth": 400,
-        "minHeight": 260,
+        "height": 360,
+        "minWidth": 520,
+        "minHeight": 360,
         "center": true,
         "visible": false,
         "decorations": false,