feat: add multi-source breed encyclopedia and two-hour refresh sessions

pets-fe/components/tab-bar/index.js

@@ -1,9 +1,9 @@
 const tabs = [
   { path: "/pages/home/home", label: "日常", key: "daily" },
-  { path: "/pages/meetups/meetups", label: "约遛", key: "meetups" },
-  { path: "/pages/walk/walk", label: "遛狗", key: "walk" },
   { path: "/pages/tasks/tasks", label: "任务", key: "tasks" },
+  { path: "/pages/walk/walk", label: "遛狗", key: "walk" },
   { path: "/pages/pets/pets", label: "宠物", key: "pets" },
+  { path: "/pages/knowledge/knowledge", label: "知识", key: "knowledge" },
 ];
 Component({
   properties: { current: String },

pets-fe/components/tab-bar/index.wxml

@@ -25,10 +25,7 @@
         <view class="daily-rays"></view>
         <view class="daily-sun"></view>
       </view>
-      <view wx:elif="{{item.key==='meetups'}}" class="friends-icon">
-        <view class="friend friend-left"></view>
-        <view class="friend friend-right"></view>
-      </view>
+      <view wx:elif="{{item.key==='knowledge'}}" class="book-icon"><view class="book-spine"></view><view class="book-line"></view></view>
       <view wx:elif="{{item.key==='tasks'}}" class="task-icon"><view class="task-tick"></view></view>
       <view wx:else class="pet-icon"><app-icon kind="pet" size="44" color="{{current===item.path?'#b95738':'#9d8779'}}" /></view>
     </view>

pets-fe/components/tab-bar/index.wxss

@@ -101,32 +101,9 @@
   background: #fff;
 }
 .active .daily-sun { background: #fff0e2; }
-.friends-icon {
-  position: relative;
-  width: 48rpx;
-  height: 45rpx;
-}
-.friend {
-  position: absolute;
-  bottom: 2rpx;
-  width: 25rpx;
-  height: 16rpx;
-  border: 4rpx solid currentColor;
-  border-radius: 18rpx 18rpx 5rpx 5rpx;
-}
-.friend::before {
-  content: "";
-  position: absolute;
-  top: -25rpx;
-  left: 3rpx;
-  width: 13rpx;
-  height: 13rpx;
-  border: 4rpx solid currentColor;
-  border-radius: 50%;
-}
-.friend-left { left: 1rpx; }
-.friend-right { right: 1rpx; background: #fff; }
-.active .friend-right { background: #fff0e2; }
+.book-icon { position:relative;width:42rpx;height:34rpx;border:3rpx solid currentColor;border-radius:8rpx 8rpx 5rpx 5rpx; }
+.book-spine { position:absolute;left:18rpx;top:0;height:100%;border-left:3rpx solid currentColor; }
+.book-line { position:absolute;left:5rpx;right:5rpx;top:9rpx;border-top:2rpx solid currentColor; }
 .task-icon {
   position: relative;
   width: 35rpx;