跨端: feat(P6): 日历纯逻辑 model/Calendar.ts + 6 条可跑判据（第 1 步的逻辑那一半，不需要设备）

client/electron/test/run-all.mjs

@@ -77,6 +77,7 @@ const SUITE = [
   ['test/appearance-defaults.test.mjs', [], 4],
   ['test/build-stamp.test.mjs', [], 7],
   ['test/packaging.test.mjs', [], 5],
+  ['test/harmony-calendar.test.mjs', ['--experimental-strip-types', '--no-warnings'], 6],
   ['test/debt-visibility.test.mjs', [], 1],
   ['test/commit-hygiene.test.mjs', ['--experimental-strip-types', '--no-warnings'], 2],
   // 判据目录自身的卫生：读文本必须走 test/lib/read.mjs 的具名入口
@@ -547,7 +548,8 @@ try {
     : debtRegStatic === measuredStatic
       ? `static-only=${measuredStatic}==登记 ✓`
       : `static-only=${measuredStatic}≠登记${debtRegStatic} ✗`;
-  debtsLine = ` debts=${total} (${staticNote} / other=${other} by go-test)（${items}）`;
+  const env = led.debts.filter(d => d.kind === 'env').reduce((n, d) => n + d.count, 0);
+  debtsLine = ` debts=${total} (${staticNote} / other=${other} by go-test / env=${env} 等环境或人)（${items}）`;
 } catch (e) {
   debtsLine = ` debts=登记读不到（${e.code || e.message}）`;
 }