fix(schedule): parse「设置一个提醒」as timed reminder for ITL Confirm Gate

Colloquial phrasing with optional 一个/个 was falling through to agent_schedule,
so schedule-guard blocked false confirmations. Also strip orphaned 分 after HH:MM times.

Co-authored-by: Cursor <cursoragent@cursor.com>

schedule-intent.test.mjs

@@ -1,6 +1,7 @@
 import assert from 'node:assert/strict';
 import test from 'node:test';
 import { parseScheduleIntent, shouldUseScheduleAssistant } from './schedule-intent.mjs';
+import { classifyUserIntent } from './intent-classifier.mjs';
 import { nextDailyRunAt } from './schedule-time.mjs';
 
 test('daily news automation does not route to schedule assistant', () => {
@@ -135,6 +136,25 @@ test('parses direct reminder setup phrase from wechat', () => {
   assert.equal(intent.remindLocal, '2026-08-24 14:30');
 });
 
+test('parses set-a-reminder colloquial phrase with numeric time', () => {
+  const now = Date.UTC(2026, 7, 24, 6, 0, 0); // 2026-08-24 14:00 Asia/Shanghai
+  const intent = parseScheduleIntent('设置一个提醒，今天下午 16:25 分要出门', {
+    timezone: 'Asia/Shanghai',
+    now,
+  });
+  assert.equal(intent.action, 'create_timed_reminder');
+  assert.equal(intent.title, '要出门');
+  assert.equal(intent.hour, 16);
+  assert.equal(intent.minute, 25);
+  assert.equal(intent.remindLocal, '2026-08-24 16:25');
+});
+
+test('set-a-reminder colloquial phrase routes to ITL timed reminder not agent', () => {
+  const result = classifyUserIntent('设置一个提醒，今天下午 16:25 分要出门');
+  assert.equal(result.kind, 'timed_reminder');
+  assert.equal(result.layer, 'L1');
+});
+
 test('simple reminder today rolls to tomorrow when time already passed', () => {
   const now = Date.UTC(2026, 7, 24, 7, 0, 0); // 2026-08-24 15:00 Asia/Shanghai
   const intent = parseScheduleIntent('今天10点提醒我吃药', {