feat: init fitness-coach (backend + miniprogram)

- backend: NestJS service with exercise/plan data
- miniprogram: WeChat mini program client
- exclude node_modules, dist, runtime data-store, local env

miniprogram/pages/search/search.js

@@ -0,0 +1,48 @@
+const app = getApp();
+const svc = require('../../services/exercise');
+
+Page({
+  data: {
+    statusBarHeight: 20,
+    q: '',
+    results: [],
+    loading: false,
+    searched: false
+  },
+
+  onLoad() {
+    this.setData({ statusBarHeight: app.globalData.statusBarHeight || 20 });
+  },
+
+  onInput(e) {
+    const q = e.detail.value;
+    this.setData({ q });
+    this.debouncedSearch(q);
+  },
+
+  debouncedSearch(q) {
+    if (this._timer) clearTimeout(this._timer);
+    this._timer = setTimeout(() => this.doSearch(q), 350);
+  },
+
+  doSearch(q) {
+    if (!q || !q.trim()) {
+      this.setData({ results: [], searched: false, loading: false });
+      return;
+    }
+    this.setData({ loading: true });
+    svc.search(q.trim()).then((res) => {
+      this.setData({
+        results: (res && res.items) || [],
+        searched: true,
+        loading: false
+      });
+    }).catch(() => {
+      this.setData({ searched: true, loading: false });
+    });
+  },
+
+  onExercise(e) {
+    wx.navigateTo({ url: '/pages/detail/detail?id=' + encodeURIComponent(e.detail.id) });
+  }
+});

miniprogram/pages/search/search.json

@@ -0,0 +1,7 @@
+{
+  "navigationStyle": "custom",
+  "usingComponents": {
+    "navbar": "/components/navbar/index",
+    "exercise-card": "/components/exercise-card/index"
+  }
+}

miniprogram/pages/search/search.wxml

@@ -0,0 +1,26 @@
+<view class="page">
+  <navbar title="搜索" />
+  <view class="searchbar">
+    <view class="searchbar__box">
+      <text class="searchbar__icon">🔍</text>
+      <input
+        class="searchbar__input"
+        placeholder="搜索动作 / 器械 / 部位"
+        placeholder-class="ph"
+        value="{{q}}"
+        confirm-type="search"
+        bindinput="onInput" />
+    </view>
+  </view>
+
+  <view class="section" style="padding-top: 8rpx;">
+    <view class="grid" wx:if="{{results.length}}">
+      <view class="grid__item" wx:for="{{results}}" wx:key="id">
+        <exercise-card exercise="{{item}}" bind:tap="onExercise" />
+      </view>
+    </view>
+    <view wx:elif="{{loading}}" class="empty">搜索中…</view>
+    <view wx:elif="{{searched}}" class="empty">未找到相关动作</view>
+    <view wx:else class="empty">输入关键词开始搜索</view>
+  </view>
+</view>

miniprogram/pages/search/search.wxss

@@ -0,0 +1,14 @@
+.page { min-height: 100vh; background: var(--bg-grad); }
+.searchbar { padding: 12rpx 32rpx; }
+.searchbar__box {
+  display: flex; align-items: center;
+  background: var(--surface); border: 1rpx solid var(--line);
+  border-radius: 999rpx; padding: 20rpx 28rpx;
+}
+.searchbar__icon { font-size: 30rpx; margin-right: 16rpx; }
+.searchbar__input { flex: 1; color: var(--text); font-size: 28rpx; }
+.ph { color: var(--text-3); }
+
+.grid { display: flex; flex-wrap: wrap; gap: 18rpx; }
+.grid__item { width: calc((100% - 18rpx) / 2); }
+.empty { color: var(--text-3); font-size: 26rpx; text-align: center; padding: 120rpx 0; }