feat(全局侧边栏): 添加全局侧边栏功能及窗口导航优化

- 新增全局侧边栏组件，支持展开/收起和快速导航功能
- 添加窗口大小调整和导航事件通信接口
- 优化窗口导航逻辑，使用软导航避免页面重载
- 调整主窗口启动逻辑，默认打开全局侧边栏

src/main/services/WindowManager.ts

@@ -51,7 +51,10 @@ export class WindowManager extends Service {
   public open(input: windowOpenInput) {
     const existing = this.get(input.key)
     if (existing) {
-      if (input.route) void this.loadRoute(existing, input.route)
+      if (input.route) {
+        // Use soft navigation if window exists to prevent reload
+        existing.webContents.send('app:navigate', input.route)
+      }
       existing.show()
       existing.focus()
       return existing
@@ -72,6 +75,25 @@ export class WindowManager extends Service {
       ...input.options
     })
 
+    // Special positioning for global sidebar
+    if (input.key === 'global-sidebar') {
+      const { screen } = require('electron')
+      const primaryDisplay = screen.getPrimaryDisplay()
+      const { width, height } = primaryDisplay.workAreaSize
+      const winWidth = 84
+      const winHeight = 300
+      win.setBounds({
+        x: width - winWidth,
+        y: Math.floor(height / 2 - winHeight / 2),
+        width: winWidth,
+        height: winHeight
+      })
+      win.setAlwaysOnTop(true, 'screen-saver')
+      win.setVisibleOnAllWorkspaces(true)
+      win.setSkipTaskbar(true)
+      win.setResizable(false)
+    }
+
     const zoom = Number(this.mainCtx.settings.getValue('window_zoom')) || 1.0
     win.webContents.setZoomFactor(zoom)
 
@@ -112,13 +134,13 @@ export class WindowManager extends Service {
   public navigate(key: string, route: string) {
     const win = this.get(key)
     if (!win) return false
-    void this.loadRoute(win, route)
+    win.webContents.send('app:navigate', route)
     return true
   }
 
   public navigateWindow(win: BrowserWindow, route: string) {
     if (win.isDestroyed()) return false
-    void this.loadRoute(win, route)
+    win.webContents.send('app:navigate', route)
     return true
   }
 
@@ -210,5 +232,20 @@ export class WindowManager extends Service {
         }
       }
     })
+
+    this.mainCtx.handle('window:resize', (event, width: number, height: number) => {
+      const win = BrowserWindow.fromWebContents(event.sender)
+      if (win) {
+        const bounds = win.getBounds()
+        // Keep right side pinned
+        const newX = bounds.x + (bounds.width - width)
+        win.setBounds({
+          x: newX,
+          y: bounds.y,
+          width,
+          height
+        })
+      }
+    })
   }
 }