优化: AI Chat全栈多批审查修复与架构清理(risk_level清理/路由解耦/工具渲染/测试补测/死代码)

src/composables/ai/useAiWindow.ts

@@ -43,7 +43,7 @@ async function detachPanel() {
   const win = new WebviewWindow('ai-detached', {
     url,
     title: 'DevFlow AI',
-    width: 520,
+    width: 600, // U-260618: 加宽(原 520 偏窄),与吸附态 AI_DOCK_WIDTH 一致
     height: 700,
     minWidth: 360,
     minHeight: 400,
@@ -183,17 +183,56 @@ async function dockDetached() {
   }
 }
 
-/** 同步 AI 窗口位置到主窗口右侧（保留 4px 间隙） */
+/** 吸附态 AI 窗口宽度/间隙常量(U-260618) */
+const AI_DOCK_WIDTH = 600
+const AI_DOCK_GAP = 4
+// 防 syncToMain 改主窗口 size 触发 onResized 递归回调
+let _isSyncing = false
+
+/** 同步 AI 窗口位置到主窗口右侧（保留 GAP 间隙）。
+ *  U-260618: 主窗口最大化或主+AI 超出屏幕时,取消最大化 + 缩小主窗口宽度,
+ *  让主窗口与 AI 窗口都进入屏幕(原:主窗口最大化时 AI 被挤到屏幕外)。 */
 async function syncToMain() {
-  const { WebviewWindow, getCurrentWebviewWindow } = await import('@tauri-apps/api/webviewWindow')
-  const { PhysicalPosition, PhysicalSize } = await import('@tauri-apps/api/dpi')
-  const mainWin = await WebviewWindow.getByLabel('main')
-  const aiWin = getCurrentWebviewWindow()
-  if (!mainWin) return
-  const pos = await mainWin.outerPosition()
-  const size = await mainWin.innerSize()
-  await aiWin.setPosition(new PhysicalPosition(pos.x + size.width + 4, pos.y))
-  await aiWin.setSize(new PhysicalSize(600, size.height))
+  if (_isSyncing) return
+  _isSyncing = true
+  try {
+    const { WebviewWindow, getCurrentWebviewWindow } = await import('@tauri-apps/api/webviewWindow')
+    const { PhysicalPosition, PhysicalSize } = await import('@tauri-apps/api/dpi')
+    const { currentMonitor } = await import('@tauri-apps/api/window')
+    const mainWin = await WebviewWindow.getByLabel('main')
+    const aiWin = getCurrentWebviewWindow()
+    if (!mainWin) return
+
+    const monitor = await currentMonitor()
+    const screenWidth = monitor?.size.width ?? 0
+
+    // 取消主窗口最大化(吸附需主窗口让出右侧空间给 AI 窗口)
+    if (await mainWin.isMaximized()) {
+      await mainWin.unmaximize()
+      await new Promise(r => setTimeout(r, 80)) // 等 unmaximize UI 落定再读尺寸
+    }
+
+    let pos = await mainWin.outerPosition()
+    let size = await mainWin.innerSize()
+
+    // 主+AI 超屏幕宽度 → 强制缩小主窗口让 AI 进屏幕
+    if (screenWidth > 0 && pos.x + size.width + AI_DOCK_GAP + AI_DOCK_WIDTH > screenWidth) {
+      const newMainWidth = screenWidth - AI_DOCK_GAP - AI_DOCK_WIDTH - pos.x
+      if (newMainWidth >= 400) {
+        await mainWin.setSize(new PhysicalSize(newMainWidth, size.height))
+        await new Promise(r => setTimeout(r, 50)) // 等 setSize UI 落定
+        pos = await mainWin.outerPosition()
+        size = await mainWin.innerSize()
+      }
+    }
+
+    await aiWin.setPosition(new PhysicalPosition(pos.x + size.width + AI_DOCK_GAP, pos.y))
+    await aiWin.setSize(new PhysicalSize(AI_DOCK_WIDTH, size.height))
+  } catch (e) {
+    console.error('[AI] syncToMain 失败:', e)
+  } finally {
+    _isSyncing = false
+  }
 }
 
 /** 启动主窗口 move/resize 跟随(吸附时调用) */