frontend: FE-032 操作反馈与微交互，轻量toast接管动作通知+日志滑入+按钮按压与勾选动画

Co-authored-by: Cursor <cursoragent@cursor.com>

mactfsui/app/components/ui/button.tsx

@@ -5,7 +5,7 @@ import { Slot } from "radix-ui"
 import { cn } from "~/lib/utils"
 
 const buttonVariants = cva(
-  "group/button inline-flex shrink-0 items-center justify-center rounded-lg border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+  "group/button inline-flex shrink-0 items-center justify-center rounded-lg border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all duration-150 outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px active:not-aria-[haspopup]:scale-[0.98] disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
   {
     variants: {
       variant: {

mactfsui/app/components/ui/checkbox.tsx

@@ -19,7 +19,7 @@ function Checkbox({
     >
       <CheckboxPrimitive.Indicator
         data-slot="checkbox-indicator"
-        className="grid place-content-center text-current transition-none [&>svg]:size-3.5"
+        className="animate-in zoom-in-50 fade-in grid place-content-center text-current duration-150 [&>svg]:size-3.5"
       >
         <CheckIcon
         />

mactfsui/app/components/ui/toaster.tsx

@@ -0,0 +1,118 @@
+import { useEffect, useState } from "react"
+import { AlertCircle, CheckCircle2, Loader2 } from "lucide-react"
+
+import { cn } from "~/lib/utils"
+
+// 轻量 toast：success / error 自动消失，loading 常驻直到被同 id 更新或手动关闭。
+export type ToastKind = "success" | "error" | "loading"
+
+export interface ToastItem {
+  id: string
+  kind: ToastKind
+  text: string
+}
+
+type Listener = (toasts: ToastItem[]) => void
+
+// 模块级单例状态，让任意调用方无需 context 即可弹出 toast。
+let currentToasts: ToastItem[] = []
+const listeners = new Set<Listener>()
+const dismissTimers = new Map<string, ReturnType<typeof setTimeout>>()
+
+const AUTO_DISMISS_MS = 3200
+const MAX_VISIBLE = 4
+
+/**
+ * 通知所有挂载中的 Toaster 重新渲染。
+ */
+function emit() {
+  for (const listener of listeners) {
+    listener(currentToasts)
+  }
+}
+
+/**
+ * 关闭指定 toast。
+ */
+export function dismissToast(id: string) {
+  const timer = dismissTimers.get(id)
+  if (timer) {
+    clearTimeout(timer)
+    dismissTimers.delete(id)
+  }
+  currentToasts = currentToasts.filter((item) => item.id !== id)
+  emit()
+}
+
+/**
+ * 展示或更新一条 toast：同 id 复用同一条目并重置自动消失计时；
+ * loading 类型不自动消失，等待后续同 id 的 success / error 替换。
+ */
+export function showToast(input: { id?: string; kind: ToastKind; text: string }): string {
+  const id = input.id ?? `toast-${Date.now()}-${Math.random().toString(36).slice(2, 6)}`
+  const existing = currentToasts.find((item) => item.id === id)
+  const next: ToastItem = { id, kind: input.kind, text: input.text }
+  currentToasts = existing
+    ? currentToasts.map((item) => (item.id === id ? next : item))
+    : [...currentToasts.slice(-(MAX_VISIBLE - 1)), next]
+  const timer = dismissTimers.get(id)
+  if (timer) {
+    clearTimeout(timer)
+    dismissTimers.delete(id)
+  }
+  if (input.kind !== "loading") {
+    dismissTimers.set(
+      id,
+      setTimeout(() => dismissToast(id), AUTO_DISMISS_MS),
+    )
+  }
+  emit()
+  return id
+}
+
+// toast 类型对应的图标与配色。
+const KIND_VISUALS: Record<ToastKind, { icon: typeof CheckCircle2; className: string }> = {
+  success: { icon: CheckCircle2, className: "text-emerald-600 dark:text-emerald-400" },
+  error: { icon: AlertCircle, className: "text-destructive" },
+  loading: { icon: Loader2, className: "animate-spin text-primary" },
+}
+
+/**
+ * toast 挂载点：固定在窗口右下角，新条目滑入，点击可关闭。
+ */
+export function Toaster() {
+  const [items, setItems] = useState<ToastItem[]>([])
+
+  useEffect(() => {
+    const listener: Listener = (toasts) => setItems([...toasts])
+    listeners.add(listener)
+    setItems([...currentToasts])
+    return () => {
+      listeners.delete(listener)
+    }
+  }, [])
+
+  if (items.length === 0) {
+    return null
+  }
+
+  return (
+    <div className="pointer-events-none fixed right-4 bottom-4 z-[60] flex w-80 flex-col gap-2">
+      {items.map((item) => {
+        const visual = KIND_VISUALS[item.kind]
+        const Icon = visual.icon
+        return (
+          <button
+            key={item.id}
+            type="button"
+            onClick={() => dismissToast(item.id)}
+            className="animate-in fade-in slide-in-from-bottom-2 ease-out-quart pointer-events-auto flex items-start gap-2.5 rounded-lg border bg-popover p-3 text-left text-sm shadow-overlay duration-200"
+          >
+            <Icon className={cn("mt-0.5 size-4 shrink-0", visual.className)} />
+            <span className="min-w-0 break-words">{item.text}</span>
+          </button>
+        )
+      })}
+    </div>
+  )
+}