feat(home): 日视图swiper轮播+老黄历方框合并+引入lunar-javascript真实宜忌

1. 日视图改为swiper轮播，左右滑动切换日期，箭头固定在最左最右
2. 大日期方框扩大到包含农历和干支
3. 生肖（马年）移到导航栏右侧
4. 星期移到工作日提示左侧
5. 引入lunar-javascript（6tail库），用真实宜忌（最多20+项）替换手写4-5项
6. 值神/黄道详情样式调整：label大、value小、加间隔
7. 去掉点击放大提示

mini/pages/home/home.js

@@ -8,33 +8,32 @@ function pad(n) { return String(n).padStart(2, '0'); }
 function fmt(y, m, d) { return `${y}-${pad(m)}-${pad(d)}`; }
 
 const MONTH_SPAN = 2; // 当前月前后各2个月，共5个月
+const DAY_SPAN = 2;   // 当前日前后各2天，共5天
 
 Page({
   data: {
     statusBarHeight: 20,
     navBarHeight: 44,
     viewMode: 'day',
-    dayInfo: {},
-    almanac: {},
-    legalHoliday: null,
-    workday: true,
-    termTime: '',
-    isFirstOrFifteen: false,
-    nextBuddhist: null,
-    showBuddhist: false,
-    highlightLunar: true,
-    upcoming: [],
+    // 日视图 swiper
+    dayList: [],          // [{key, dayInfo, almanac, legalHoliday, workday, termTime, isFirstOrFifteen, nextBuddhist, showBuddhist, upcoming}]
+    dayIndex: 2,          // 当前居中
     // 月历 swiper
-    monthList: [],        // [{key, year, month, weeks}]
-    monthIndex: 2,        // 当前居中
+    monthList: [],
+    monthIndex: 2,
     currentYear: 0,
     currentMonth: 0,
     weekHeaders: ['日', '一', '二', '三', '四', '五', '六'],
+    // 当前选中日期（用于月历联动）
+    dayInfo: {},
     // 全屏弹窗
     zoomVisible: false,
     zoomTitle: '',
-    zoomType: '',         // yiji | detail | fest
-    zoomData: null
+    zoomType: '',
+    zoomData: null,
+    // 设置
+    showBuddhist: false,
+    highlightLunar: true
   },
 
   onLoad() {
@@ -45,14 +44,12 @@ Page({
     if (menu && menu.top) navBarHeight = (menu.top - statusBarHeight) * 2 + menu.height;
     this.setData({ statusBarHeight, navBarHeight });
     this.loadSettings();
-    this.loadDay(new Date());
-    this.loadUpcoming();
+    this.buildDayList(new Date());
   },
 
   onShow() {
     this.loadSettings();
-    // 设置可能变化，刷新
-    if (this.data.dayInfo.solarYear) this.refreshDerived();
+    if (this.data.dayList.length > 0) this.refreshDayListSettings();
   },
 
   loadSettings() {
@@ -65,55 +62,116 @@ Page({
 
   onPullDownRefresh() {
     if (this.data.viewMode === 'day') {
-      this.loadDay(new Date());
-      this.loadUpcoming();
+      this.buildDayList(new Date());
     } else {
       this.buildMonthList(this.data.currentYear, this.data.currentMonth);
     }
     wx.stopPullDownRefresh();
   },
 
-  /** 加载某日的老黄历 */
-  loadDay(date) {
+  /** 构建某日的完整数据 */
+  buildDayData(date) {
     const y = date.getFullYear();
     const m = date.getMonth() + 1;
     const d = date.getDate();
     const dayInfo = getDayInfo(y, m, d);
     const almanac = getAlmanacInfo(y, m, d);
-    this.setData({ dayInfo, almanac, currentYear: y, currentMonth: m });
-    this.refreshDerived();
-    this.loadUpcoming();
-  },
-
-  /** 计算派生数据（节假日/工作日/佛历/初一十五） */
-  refreshDerived() {
-    const { dayInfo, showBuddhist, highlightLunar } = this.data;
-    const { solarYear: y, solarMonth: m, solarDay: d } = dayInfo;
     const legalHoliday = getLegalHoliday(y, m, d);
     const workday = isWorkday(y, m, d);
     const termTime = dayInfo.solarTerm ? (SOLAR_TERM_TIMES[dayInfo.solarTerm] || '') : '';
-    const isFirstOrFifteen = highlightLunar && (dayInfo.lunarDay === 1 || dayInfo.lunarDay === 15);
-    const nextBuddhist = showBuddhist ? getNextBuddhistFestival(y, m, d) : null;
-    this.setData({ legalHoliday, workday, termTime, isFirstOrFifteen, nextBuddhist });
+    const isFirstOrFifteen = this.data.highlightLunar && (dayInfo.lunarDay === 1 || dayInfo.lunarDay === 15);
+    const nextBuddhist = this.data.showBuddhist ? getNextBuddhistFestival(y, m, d) : null;
+    const upcoming = getUpcomingFestivals(5, y, m, d);
+    return {
+      key: fmt(y, m, d),
+      dayInfo, almanac, legalHoliday, workday, termTime,
+      isFirstOrFifteen, nextBuddhist, upcoming,
+      showBuddhist: this.data.showBuddhist
+    };
   },
 
-  loadUpcoming() {
-    const { dayInfo } = this.data;
-    const { solarYear: y, solarMonth: m, solarDay: d } = dayInfo;
-    this.setData({ upcoming: getUpcomingFestivals(5, y, m, d) });
+  /** 构建5天的数据，居中显示 */
+  buildDayList(centerDate) {
+    const dayList = [];
+    for (let i = -DAY_SPAN; i <= DAY_SPAN; i++) {
+      const date = new Date(centerDate.getFullYear(), centerDate.getMonth(), centerDate.getDate() + i);
+      dayList.push(this.buildDayData(date));
+    }
+    const center = dayList[DAY_SPAN];
+    this.setData({
+      dayList,
+      dayIndex: DAY_SPAN,
+      dayInfo: center.dayInfo,
+      currentYear: center.dayInfo.solarYear,
+      currentMonth: center.dayInfo.solarMonth
+    });
   },
 
-  prevDay() { this.shiftDay(-1); },
-  nextDay() { this.shiftDay(1); },
-  shiftDay(delta) {
-    const { dayInfo } = this.data;
-    const date = new Date(dayInfo.solarYear, dayInfo.solarMonth - 1, dayInfo.solarDay + delta);
-    this.loadDay(date);
+  /** 设置变化后刷新 dayList */
+  refreshDayListSettings() {
+    const dayList = this.data.dayList.map(item => ({
+      ...item,
+      showBuddhist: this.data.showBuddhist,
+      isFirstOrFifteen: this.data.highlightLunar && (item.dayInfo.lunarDay === 1 || item.dayInfo.lunarDay === 15),
+      nextBuddhist: this.data.showBuddhist ? getNextBuddhistFestival(item.dayInfo.solarYear, item.dayInfo.solarMonth, item.dayInfo.solarDay) : null
+    }));
+    this.setData({ dayList });
+  },
+
+  /** 日视图 swiper 切换 */
+  onDaySwiperChange(e) {
+    const index = e.detail.current;
+    const { dayList } = this.data;
+    const cur = dayList[index];
+    this.setData({
+      dayIndex: index,
+      dayInfo: cur.dayInfo,
+      currentYear: cur.dayInfo.solarYear,
+      currentMonth: cur.dayInfo.solarMonth
+    });
+
+    // 边缘时向对应方向补一天，保持可无限滑动
+    if (index === 0) {
+      this.prependDay();
+    } else if (index === dayList.length - 1) {
+      this.appendDay();
+    }
+  },
+
+  prependDay() {
+    const { dayList } = this.data;
+    const first = dayList[0];
+    const date = new Date(first.dayInfo.solarYear, first.dayInfo.solarMonth - 1, first.dayInfo.solarDay - 1);
+    dayList.unshift(this.buildDayData(date));
+    if (dayList.length > 7) dayList.pop();
+    this.setData({ dayList, dayIndex: this.data.dayIndex + 1 });
+  },
+
+  appendDay() {
+    const { dayList } = this.data;
+    const last = dayList[dayList.length - 1];
+    const date = new Date(last.dayInfo.solarYear, last.dayInfo.solarMonth - 1, last.dayInfo.solarDay + 1);
+    dayList.push(this.buildDayData(date));
+    if (dayList.length > 7) dayList.shift();
+    this.setData({ dayList, dayIndex: this.data.dayIndex - 1 });
+  },
+
+  prevDay() {
+    if (this.data.dayIndex > 0) {
+      this.setData({ dayIndex: this.data.dayIndex - 1 });
+      this.onDaySwiperChange({ detail: { current: this.data.dayIndex - 1 } });
+    }
+  },
+
+  nextDay() {
+    if (this.data.dayIndex < this.data.dayList.length - 1) {
+      this.setData({ dayIndex: this.data.dayIndex + 1 });
+      this.onDaySwiperChange({ detail: { current: this.data.dayIndex + 1 } });
+    }
   },
 
   backToday() {
-    this.loadDay(new Date());
-    this.loadUpcoming();
+    this.buildDayList(new Date());
   },
 
   /** 切换 日/月 视图 */
@@ -139,14 +197,13 @@ Page({
     this.setData({ monthList, monthIndex: MONTH_SPAN, currentYear: year, currentMonth: month });
   },
 
-  /** swiper 切换 */
+  /** 月历 swiper 切换 */
   onMonthSwiperChange(e) {
     const index = e.detail.current;
     const { monthList } = this.data;
     const cur = monthList[index];
     this.setData({ monthIndex: index, currentYear: cur.year, currentMonth: cur.month });
 
-    // 边缘时向对应方向补一个月，保持可无限滚动
     if (index === 0) {
       this.prependMonth();
     } else if (index === monthList.length - 1) {
@@ -180,28 +237,26 @@ Page({
   selectDay(e) {
     const date = e.currentTarget.dataset.date;
     const [y, m, d] = date.split('-').map(Number);
-    this.loadDay(new Date(y, m - 1, d));
+    this.buildDayList(new Date(y, m - 1, d));
     this.setData({ viewMode: 'day' });
   },
 
-  goDetail() {
-    const { dayInfo } = this.data;
-    wx.navigateTo({ url: `/pages/day-detail/day-detail?date=${fmt(dayInfo.solarYear, dayInfo.solarMonth, dayInfo.solarDay)}` });
-  },
-
   /** 跳转到某节日的老黄历 */
   goFestival(e) {
     const date = e.currentTarget.dataset.date;
     const [y, m, d] = date.split('-').map(Number);
-    this.loadDay(new Date(y, m - 1, d));
+    this.buildDayList(new Date(y, m - 1, d));
     this.setData({ viewMode: 'day' });
-    wx.pageScrollTo && wx.pageScrollTo({ scrollTop: 0, duration: 0 });
   },
 
   /** ===== 全屏放大弹窗 ===== */
   openZoom(e) {
     const type = e.currentTarget.dataset.type;
-    const { dayInfo, almanac, legalHoliday, termTime } = this.data;
+    const date = e.currentTarget.dataset.date;
+    const dayItem = this.data.dayList.find(item => item.key === date);
+    if (!dayItem) return;
+
+    const { dayInfo, almanac, legalHoliday, termTime } = dayItem;
     let zoomTitle = '';
     let zoomData = null;
     if (type === 'yiji') {
@@ -223,7 +278,7 @@ Page({
       };
     } else if (type === 'fest') {
       zoomTitle = '近期节日';
-      zoomData = { upcoming: this.data.upcoming };
+      zoomData = { upcoming: dayItem.upcoming };
     }
     this.setData({ zoomVisible: true, zoomTitle, zoomType: type, zoomData });
   },