feat(mini): add dockable compact client

apps/mini/src-tauri/src/lib.rs

@@ -0,0 +1,33 @@
+use tauri::{PhysicalPosition, Window};
+
+#[tauri::command]
+fn dock_window(window: Window, side: String) -> Result<(), String> {
+    let monitor = window
+        .current_monitor()
+        .map_err(|error| error.to_string())?
+        .ok_or_else(|| "无法识别当前屏幕".to_string())?;
+    let window_size = window.outer_size().map_err(|error| error.to_string())?;
+    let monitor_position = monitor.position();
+    let monitor_size = monitor.size();
+    let x = if side == "left" {
+        monitor_position.x
+    } else {
+        monitor_position.x + monitor_size.width as i32 - window_size.width as i32
+    };
+
+    window
+        .set_position(PhysicalPosition::new(x, monitor_position.y))
+        .map_err(|error| error.to_string())?;
+    window
+        .set_always_on_top(true)
+        .map_err(|error| error.to_string())?;
+    Ok(())
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .invoke_handler(tauri::generate_handler![dock_window])
+        .run(tauri::generate_context!())
+        .expect("failed to run 森林AI Mini");
+}