feat: 调整默认排课节奏并限制时间选择

第一节 08:00-09:00，之后从 09:30 起每小时一节至 21:30；排课时间仅可选整点或半点。

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

packages/server/src/time-slot/__tests__/slot-generator.service.spec.ts

@@ -51,7 +51,7 @@ describe('SlotGeneratorService', () => {
   // -------------------------------------------------------------------------
 
   describe('generateSlots', () => {
-    it('creates slots for every day using the default schedule (14 slots per day)', async () => {
+    it('creates slots for every day using the default schedule', async () => {
       const defaultSlots = getDefaultTimeSlots()
       mockPrisma.timeSlot.createMany.mockResolvedValueOnce({ count: defaultSlots.length * 7 })
 
@@ -64,24 +64,25 @@ describe('SlotGeneratorService', () => {
           skipDuplicates: boolean
         }
       expect(skipDuplicates).toBe(true)
-      // 7 days × 14 slots per day = 98
       expect(data).toHaveLength(defaultSlots.length * 7)
       expect(count).toBe(defaultSlots.length * 7)
     })
 
-    it('creates 14 slots per day (08:00-22:00 hourly)', async () => {
-      mockPrisma.timeSlot.createMany.mockResolvedValueOnce({ count: 14 })
+    it('creates 13 slots per day (08:00-09:00, then 09:30-21:30 hourly)', async () => {
+      mockPrisma.timeSlot.createMany.mockResolvedValueOnce({ count: 13 })
 
       await service.generateSlots(1)
 
       const { data } = mockPrisma.timeSlot.createMany.mock.calls[0][0] as {
         data: Array<{ startTime: string; endTime: string }>
       }
-      expect(data).toHaveLength(14)
+      expect(data).toHaveLength(13)
       expect(data[0].startTime).toBe('08:00')
       expect(data[0].endTime).toBe('09:00')
-      expect(data[13].startTime).toBe('21:00')
-      expect(data[13].endTime).toBe('22:00')
+      expect(data[1].startTime).toBe('09:30')
+      expect(data[1].endTime).toBe('10:30')
+      expect(data[12].startTime).toBe('20:30')
+      expect(data[12].endTime).toBe('21:30')
     })
 
     it('passes skipDuplicates: true to handle existing date+time combinations', async () => {
@@ -96,7 +97,7 @@ describe('SlotGeneratorService', () => {
     })
 
     it('sets source to TEMPLATE for all generated slots', async () => {
-      mockPrisma.timeSlot.createMany.mockResolvedValueOnce({ count: 14 })
+      mockPrisma.timeSlot.createMany.mockResolvedValueOnce({ count: 13 })
 
       await service.generateSlots(1)
 

packages/server/src/time-slot/slot-generator.service.ts

@@ -25,7 +25,7 @@ export class SlotGeneratorService {
 
   /**
    * Generate time slots for the next `daysAhead` days based on the fixed
-   * default schedule (Mon-Sun, 08:00-22:00 hourly).
+   * default schedule (Mon-Sun: 08:00-09:00, then 09:30-21:30 hourly).
    * Uses `createMany` with `skipDuplicates` so re-runs are safe.
    *
    * @returns Number of newly created slots