add clean memory

src-tauri/src/cleaner.rs

@@ -492,3 +492,77 @@ pub async fn run_browser_clean(browser: BrowserType, profile_paths: Vec<String>)
         fail_count,
     })
 }
+
+// --- 内存清理逻辑 ---
+
+use sysinfo::{System, ProcessesToUpdate};
+
+#[derive(Serialize, Clone)]
+pub struct MemoryStats {
+    pub total: u64,
+    pub used: u64,
+    pub free: u64,
+    pub percent: f32,
+}
+
+/// 获取当前系统内存状态
+pub fn get_memory_stats() -> MemoryStats {
+    let mut sys = System::new_all();
+    sys.refresh_memory();
+    
+    let total = sys.total_memory();
+    let used = sys.used_memory();
+    let free = total.saturating_sub(used);
+    let percent = (used as f32 / total as f32) * 100.0;
+    
+    MemoryStats { total, used, free, percent }
+}
+
+/// 执行内存压缩 (Empty Working Set)
+pub async fn run_memory_clean() -> Result<u64, String> {
+    use windows_sys::Win32::System::ProcessStatus::EmptyWorkingSet;
+    use windows_sys::Win32::System::Threading::{OpenProcess, PROCESS_QUERY_INFORMATION, PROCESS_SET_QUOTA};
+    use windows_sys::Win32::Foundation::CloseHandle;
+
+    let before = get_memory_stats().used;
+    
+    let mut sys = System::new_all();
+    sys.refresh_processes(ProcessesToUpdate::All, true);
+    
+    for (pid, _) in sys.processes() {
+        let pid_u32 = pid.as_u32();
+        unsafe {
+            let handle = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_SET_QUOTA, 0, pid_u32);
+            if handle != std::ptr::null_mut() {
+                EmptyWorkingSet(handle);
+                CloseHandle(handle);
+            }
+        }
+    }
+    
+    // 给系统一点点时间反应
+    tokio::time::sleep(std::time::Duration::from_millis(500)).await;
+    
+    let after = get_memory_stats().used;
+    let freed = before.saturating_sub(after);
+    Ok(freed)
+}
+
+/// 深度内存清理 (Standby List / System Cache)
+pub async fn run_deep_memory_clean() -> Result<u64, String> {
+    use windows_sys::Win32::System::Memory::SetSystemFileCacheSize;
+    
+    let before = get_memory_stats().used;
+
+    unsafe {
+        // -1 (usize::MAX) 表示清空系统文件缓存
+        SetSystemFileCacheSize(usize::MAX, usize::MAX, 0);
+    }
+    
+    // 配合普通清理一起执行
+    let _ = run_memory_clean().await;
+    
+    let after = get_memory_stats().used;
+    let freed = before.saturating_sub(after);
+    Ok(freed)
+}