checkpoint: 冻结资金开工前龙先生小程序本地备份（不推远程）

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

components/tousu-float/tousu-float.js

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+const STORAGE_KEY = 'tousuFloatHidden';
+
+Component({
+  data: {
+    hidden: false,
+  },
+
+  lifetimes: {
+    attached() {
+      this._syncHidden();
+    },
+  },
+
+  pageLifetimes: {
+    show() {
+      this._syncHidden();
+    },
+  },
+
+  methods: {
+    _syncHidden() {
+      let hidden = false;
+      try {
+        hidden = wx.getStorageSync(STORAGE_KEY) === 1 || wx.getStorageSync(STORAGE_KEY) === '1';
+      } catch (e) {}
+      if (hidden !== this.data.hidden) {
+        this.setData({ hidden });
+      }
+    },
+
+    go() {
+      wx.navigateTo({
+        url: '/pages/gongdan/create/create',
+        fail: (err) => {
+          console.error('打开投诉页失败', err);
+          wx.showToast({ title: '打开失败，请重试', icon: 'none' });
+        },
+      });
+    },
+
+    onDismiss(e) {
+      if (e && e.stopPropagation) e.stopPropagation();
+      wx.showModal({
+        title: '隐藏投诉入口',
+        content: '隐藏后可在「我的 / 工单」中继续投诉。需要恢复时可清除小程序缓存。',
+        confirmText: '不再显示',
+        cancelText: '取消',
+        success: (res) => {
+          if (!res.confirm) return;
+          try {
+            wx.setStorageSync(STORAGE_KEY, 1);
+          } catch (err) {}
+          this.setData({ hidden: true });
+        },
+      });
+    },
+  },
+});

components/tousu-float/tousu-float.json

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+{"component":true}

components/tousu-float/tousu-float.wxml

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+<view class="tousu-wrap" wx:if="{{!hidden}}">
+  <view class="float" catchtap="go">投诉</view>
+  <view class="dismiss-row" catchtap="onDismiss">
+    <text class="dismiss-label">不再显示</text>
+  </view>
+</view>

components/tousu-float/tousu-float.wxss

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+.tousu-wrap {
+  position: fixed;
+  right: 24rpx;
+  bottom: 280rpx;
+  z-index: 999;
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+  gap: 6rpx;
+}
+
+.float {
+  min-width: 96rpx;
+  height: 72rpx;
+  padding: 0 22rpx;
+  border-radius: 36rpx;
+  background: rgba(55, 55, 55, 0.72);
+  color: #f5f5f5;
+  font-size: 26rpx;
+  font-weight: 500;
+  letter-spacing: 1rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.12);
+}
+
+.dismiss-row {
+  padding: 4rpx 8rpx;
+}
+
+.dismiss-label {
+  font-size: 20rpx;
+  color: rgba(120, 120, 120, 0.9);
+  text-decoration: underline;
+  text-underline-offset: 4rpx;
+}