抽出日期计算纯函数模块，并搭建后端测试基建

- 新增 server/src/occurrence.js：startOfDay/getNextOccurrence/daysBetween，today 可注入 - reminder.js 改为调用新模块，删除内联的 getThisYearDate/daysBetween - 引入 node:test 作为测试框架，加 npm test 脚本 - 新增 test/helper.js（临时库辅助，供后续任务用）和 test/occurrence.test.js（7 个用例，覆盖农历跨年等边界）
2026-08-15 17:30:42 +08:00
parent c92df874d1
commit 68acbb3809
5 changed files with 111 additions and 37 deletions
@@ -5,7 +5,8 @@
  "main": "src/index.js",
  "scripts": {
    "start": "node src/index.js",
-    "dev": "node --watch src/index.js"
+    "dev": "node --watch src/index.js",
+    "test": "node --test test/"
  },
  "dependencies": {
    "axios": "^1.7.7",