feat: 添加仓库管理页面和 AI 功能，优化路由和导航

- 新增仓库列表页面，支持查看和管理 CNB 仓库
- 添加 AI 代理系统和状态管理
- 新增 tags-input、popover、textarea、tooltip 等 UI 组件
- 更新依赖：@kevisual/cnb 升级至 0.0.22，添加 idb-keyval
- 改进路由守卫：未配置 API Key 时自动跳转配置页
- 优化 Dialog 遮罩层样式和整体布局

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/ui/tooltip.tsx

@@ -0,0 +1,64 @@
+import { Tooltip as TooltipPrimitive } from "@base-ui/react/tooltip"
+
+import { cn } from "@/lib/utils"
+
+function TooltipProvider({
+  delay = 0,
+  ...props
+}: TooltipPrimitive.Provider.Props) {
+  return (
+    <TooltipPrimitive.Provider
+      data-slot="tooltip-provider"
+      delay={delay}
+      {...props}
+    />
+  )
+}
+
+function Tooltip({ ...props }: TooltipPrimitive.Root.Props) {
+  return <TooltipPrimitive.Root data-slot="tooltip" {...props} />
+}
+
+function TooltipTrigger({ ...props }: TooltipPrimitive.Trigger.Props) {
+  return <TooltipPrimitive.Trigger data-slot="tooltip-trigger" {...props} />
+}
+
+function TooltipContent({
+  className,
+  side = "top",
+  sideOffset = 4,
+  align = "center",
+  alignOffset = 0,
+  children,
+  ...props
+}: TooltipPrimitive.Popup.Props &
+  Pick<
+    TooltipPrimitive.Positioner.Props,
+    "align" | "alignOffset" | "side" | "sideOffset"
+  >) {
+  return (
+    <TooltipPrimitive.Portal>
+      <TooltipPrimitive.Positioner
+        align={align}
+        alignOffset={alignOffset}
+        side={side}
+        sideOffset={sideOffset}
+        className="isolate z-50"
+      >
+        <TooltipPrimitive.Popup
+          data-slot="tooltip-content"
+          className={cn(
+            "data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-[state=delayed-open]:animate-in data-[state=delayed-open]:fade-in-0 data-[state=delayed-open]:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 rounded-md px-3 py-1.5 text-xs data-[side=inline-start]:slide-in-from-right-2 data-[side=inline-end]:slide-in-from-left-2 bg-neutral-900 text-white shadow-lg z-50 w-fit max-w-xs origin-(--transform-origin)",
+            className
+          )}
+          {...props}
+        >
+          {children}
+          <TooltipPrimitive.Arrow className="size-2.5 translate-y-[calc(-50%-2px)] rotate-45 rounded-[2px] data-[side=inline-end]:top-1/2! data-[side=inline-end]:-left-1 data-[side=inline-end]:-translate-y-1/2 data-[side=inline-start]:top-1/2! data-[side=inline-start]:-right-1 data-[side=inline-start]:-translate-y-1/2 bg-neutral-900 fill-neutral-900 z-50 data-[side=bottom]:top-1 data-[side=left]:top-1/2! data-[side=left]:-right-1 data-[side=left]:-translate-y-1/2 data-[side=right]:top-1/2! data-[side=right]:-left-1 data-[side=right]:-translate-y-1/2 data-[side=top]:-bottom-2.5" />
+        </TooltipPrimitive.Popup>
+      </TooltipPrimitive.Positioner>
+    </TooltipPrimitive.Portal>
+  )
+}
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }