feat: v1.3 交互增强

新增功能：
- 账单左滑删除（替代长按，更符合移动端习惯）
- 输入震动反馈（Numpad 按键时调用 uni.vibrateShort）
- 保存成功动画（Checkmark 弹出动画）
- 分类图标滚动到选中项（编辑记录时自动定位）

组件更新：
- TransactionItem 支持左滑露出删除按钮
- Numpad 添加震动反馈
- SaveSuccess 新增保存成功动画组件

client/src/components/Numpad/Numpad.vue

@@ -3,10 +3,10 @@
     <view class="key" v-for="key in keys" :key="key" @tap="onKeyTap(key)">
       <text class="key-text">{{ key }}</text>
     </view>
-    <view class="key fn" @tap="emit('delete')">
+    <view class="key fn" @tap="onDelete">
       <SvgIcon name="trash" :size="36" color="#FF8C69" />
     </view>
-    <view class="key eq" @tap="emit('confirm')">
+    <view class="key eq" @tap="onConfirm">
       <SvgIcon name="check" :size="36" color="#FFFFFF" />
     </view>
   </view>
@@ -19,9 +19,26 @@ const keys = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '.', '0', '00']
 
 const emit = defineEmits(['input', 'delete', 'confirm'])
 
+function vibrate() {
+  try {
+    uni.vibrateShort({ type: 'light' })
+  } catch {}
+}
+
 function onKeyTap(key: string) {
+  vibrate()
   emit('input', key)
 }
+
+function onDelete() {
+  vibrate()
+  emit('delete')
+}
+
+function onConfirm() {
+  vibrate()
+  emit('confirm')
+}
 </script>
 
 <style lang="scss" scoped>

client/src/components/SaveSuccess/SaveSuccess.vue

@@ -0,0 +1,85 @@
+<template>
+  <view class="save-success" v-if="visible" @tap="hide">
+    <view class="success-icon" :class="{ show: animating }">
+      <SvgIcon name="check" :size="80" color="#FFFFFF" />
+    </view>
+    <text class="success-text" :class="{ show: animating }">{{ text }}</text>
+  </view>
+</template>
+
+<script setup lang="ts">
+import { ref, watch } from 'vue'
+import SvgIcon from '@/components/SvgIcon/SvgIcon.vue'
+
+const props = withDefaults(defineProps<{
+  visible: boolean
+  text?: string
+}>(), { text: '保存成功' })
+
+const emit = defineEmits(['update:visible'])
+
+const animating = ref(false)
+
+watch(() => props.visible, (val) => {
+  if (val) {
+    setTimeout(() => { animating.value = true }, 50)
+    setTimeout(() => { hide() }, 2000)
+  } else {
+    animating.value = false
+  }
+})
+
+function hide() {
+  animating.value = false
+  setTimeout(() => { emit('update:visible', false) }, 300)
+}
+</script>
+
+<style lang="scss" scoped>
+.save-success {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: 9999;
+}
+
+.success-icon {
+  width: 160rpx;
+  height: 160rpx;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #7BC67E, #5BA85E);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transform: scale(0);
+  opacity: 0;
+  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+
+  &.show {
+    transform: scale(1);
+    opacity: 1;
+  }
+}
+
+.success-text {
+  font-size: 32rpx;
+  font-weight: 600;
+  color: #FFFFFF;
+  margin-top: 24rpx;
+  transform: translateY(20rpx);
+  opacity: 0;
+  transition: all 0.3s ease 0.2s;
+
+  &.show {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+</style>

client/src/components/TransactionItem/TransactionItem.vue

@@ -1,18 +1,33 @@
 <template>
-  <view class="tx-item" @tap="$emit('tap', item)" @longpress="$emit('longpress', item)">
+  <view class="tx-item-wrap">
-    <view class="icon-wrap" :style="{ background: item.category_color + '20' }">
+    <view
-      <text class="icon-text" :style="{ color: item.category_color }">{{ item.category_name?.[0] || '?' }}</text>
+      class="tx-item"
+      :style="{ transform: `translateX(${offsetX}rpx)` }"
+      @tap="$emit('tap', item)"
+      @longpress="$emit('longpress', item)"
+      @touchstart="onTouchStart"
+      @touchmove="onTouchMove"
+      @touchend="onTouchEnd"
+    >
+      <view class="icon-wrap" :style="{ background: item.category_color + '20' }">
+        <text class="icon-text" :style="{ color: item.category_color }">{{ item.category_name?.[0] || '?' }}</text>
+      </view>
+      <view class="info">
+        <text class="name">{{ item.note || item.category_name || '未分类' }}</text>
+        <text class="meta">{{ item.category_name || '未分类' }}{{ hideDate ? '' : ' · ' + formatDate(item.date) }}</text>
+      </view>
+      <text class="amount" :class="item.type">{{ item.type === 'expense' ? '-' : '+' }}{{ formatAmount(item.amount) }}</text>
     </view>
-    <view class="info">
+    <view class="delete-btn" :class="{ visible: showDelete }" @tap="$emit('delete', item)">
-      <text class="name">{{ item.note || item.category_name || '未分类' }}</text>
+      <SvgIcon name="trash" :size="32" color="#FFFFFF" />
-      <text class="meta">{{ item.category_name || '未分类' }}{{ hideDate ? '' : ' · ' + formatDate(item.date) }}</text>
     </view>
-    <text class="amount" :class="item.type">{{ item.type === 'expense' ? '-' : '+' }}{{ formatAmount(item.amount) }}</text>
   </view>
 </template>
 
 <script setup lang="ts">
+import { ref } from 'vue'
 import { formatAmount, formatDate } from '@/utils/format'
+import SvgIcon from '@/components/SvgIcon/SvgIcon.vue'
 
 withDefaults(defineProps<{
   item: {
@@ -28,23 +43,79 @@ withDefaults(defineProps<{
   hideDate?: boolean
 }>(), { hideDate: false })
 
-defineEmits(['tap', 'longpress'])
+defineEmits(['tap', 'longpress', 'delete'])
+
+const startX = ref(0)
+const offsetX = ref(0)
+const showDelete = ref(false)
+
+function onTouchStart(e: any) {
+  startX.value = e.touches[0].clientX
+}
+
+function onTouchMove(e: any) {
+  const diff = e.touches[0].clientX - startX.value
+  if (diff < 0) {
+    offsetX.value = Math.max(diff * 2, -160)
+  } else if (showDelete.value) {
+    offsetX.value = Math.min(diff * 2 - 160, 0)
+  }
+}
+
+function onTouchEnd() {
+  if (offsetX.value < -80) {
+    offsetX.value = -160
+    showDelete.value = true
+  } else {
+    offsetX.value = 0
+    showDelete.value = false
+  }
+}
 </script>
 
 <style lang="scss" scoped>
+.tx-item-wrap {
+  position: relative;
+  overflow: hidden;
+  margin-bottom: 8rpx;
+}
+
 .tx-item {
   display: flex;
   align-items: center;
   padding: 28rpx 0;
   gap: 24rpx;
   border-radius: 20rpx;
-  transition: background 0.15s;
+  transition: transform 0.2s ease;
+  background: #FFFFFF;
+  position: relative;
+  z-index: 1;
 
   &:active {
     background: #FFF0E6;
   }
 }
 
+.delete-btn {
+  position: absolute;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  width: 160rpx;
+  background: #FF6B6B;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 0 20rpx 20rpx 0;
+  opacity: 0;
+  transition: opacity 0.2s ease;
+  z-index: 0;
+
+  &.visible {
+    opacity: 1;
+  }
+}
+
 .icon-wrap {
   width: 80rpx;
   height: 80rpx;

client/src/pages/add/index.vue

@@ -22,9 +22,9 @@
       <text class="digits">{{ displayAmount }}</text>
     </view>
 
-    <scroll-view class="category-scroll" scroll-y>
+    <scroll-view class="category-scroll" scroll-y :scroll-into-view="scrollToCat">
       <view class="category-grid">
-        <view v-for="cat in currentCategories" :key="cat.id" class="cat-item" @tap="selectedCat = cat.id">
+        <view v-for="cat in currentCategories" :key="cat.id" :id="'cat-' + cat.id" class="cat-item" @tap="selectedCat = cat.id">
           <CategoryIcon :label="cat.name[0]" :color="cat.color" :bg-color="cat.color + '15'" size="md" :selected="selectedCat === cat.id" />
           <text class="cat-name" :class="{ active: selectedCat === cat.id }">{{ cat.name }}</text>
         </view>
@@ -45,6 +45,8 @@
     </view>
 
     <Numpad @input="onInput" @delete="onDelete" @confirm="save" />
+
+    <SaveSuccess v-model:visible="showSuccess" :text="editId ? '修改成功' : '记账成功'" />
   </view>
 </template>
 
@@ -55,6 +57,7 @@ import { useTransactionStore } from '@/stores/transaction'
 import Numpad from '@/components/Numpad/Numpad.vue'
 import CategoryIcon from '@/components/CategoryIcon/CategoryIcon.vue'
 import SvgIcon from '@/components/SvgIcon/SvgIcon.vue'
+import SaveSuccess from '@/components/SaveSuccess/SaveSuccess.vue'
 import { statusBarHeight } from '@/utils/system'
 
 const catStore = useCategoryStore()
@@ -67,6 +70,8 @@ const note = ref('')
 const selectedDate = ref(new Date().toISOString().slice(0, 10))
 const saving = ref(false)
 const editId = ref<number | null>(null)
+const showSuccess = ref(false)
+const scrollToCat = ref('')
 const todayStr = new Date().toISOString().slice(0, 10)
 // Remember last selected category per type
 const lastCatByType: Record<string, number | null> = { expense: null, income: null }
@@ -124,6 +129,8 @@ onMounted(async () => {
       lastCatByType[existing.type] = existing.category_id
       note.value = existing.note || ''
       selectedDate.value = existing.date.slice(0, 10)
+      // Scroll to selected category
+      setTimeout(() => { scrollToCat.value = 'cat-' + existing.category_id }, 100)
     } else {
       uni.showToast({ title: '记录不存在', icon: 'none' })
       setTimeout(() => uni.navigateBack(), 1500)
@@ -188,12 +195,11 @@ async function save() {
     }
     if (editId.value) {
       await txStore.updateTransaction(editId.value, data)
-      uni.showToast({ title: '修改成功', icon: 'success' })
     } else {
       await txStore.addTransaction(data)
-      uni.showToast({ title: '记账成功', icon: 'success' })
     }
-    setTimeout(() => uni.navigateBack(), 1500)
+    showSuccess.value = true
+    setTimeout(() => uni.navigateBack(), 2500)
   } catch (e) {
     uni.showToast({ title: '保存失败', icon: 'none' })
   } finally {

client/src/pages/bills/index.vue

@@ -27,6 +27,7 @@
           :hideDate="true"
           @tap="onEdit(item)"
           @longpress="onDelete(item)"
+          @delete="onDelete(item)"
         />
       </view>
     </view>