feat: dish CRUD on lunch router

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/unit/lunch-router.test.ts

@@ -66,6 +66,88 @@ describe('lunch.getEvent', () => {
   })
 })
 
+describe('dish CRUD', () => {
+  it('createDish + listDishes returns dishes ordered by sortOrder', async () => {
+    const program = await createTestProgram({ name: `dish-list-${uid()}` })
+    programIds.push(program.id)
+    const { caller } = await newAdminCaller()
+    const event = await caller.getEvent({ programId: program.id })
+    await caller.createDish({
+      lunchEventId: event.id, name: 'Sea bass', dietaryTags: ['PESCATARIAN'], sortOrder: 1,
+    })
+    await caller.createDish({
+      lunchEventId: event.id, name: 'Risotto', dietaryTags: ['VEGETARIAN'], sortOrder: 0,
+    })
+    const dishes = await caller.listDishes({ lunchEventId: event.id })
+    expect(dishes.map((d) => d.name)).toEqual(['Risotto', 'Sea bass'])
+  })
+
+  it('updateDish patches name + tags', async () => {
+    const program = await createTestProgram({ name: `dish-upd-${uid()}` })
+    programIds.push(program.id)
+    const { caller } = await newAdminCaller()
+    const event = await caller.getEvent({ programId: program.id })
+    const dish = await caller.createDish({ lunchEventId: event.id, name: 'A', dietaryTags: [] })
+    const updated = await caller.updateDish({
+      dishId: dish.id, name: 'B', dietaryTags: ['VEGAN'],
+    })
+    expect(updated.name).toBe('B')
+    expect(updated.dietaryTags).toEqual(['VEGAN'])
+  })
+
+  it('deleteDish sets dishId=null on existing picks', async () => {
+    const program = await createTestProgram({ name: `dish-del-${uid()}` })
+    programIds.push(program.id)
+    const { caller } = await newAdminCaller()
+    const event = await caller.getEvent({ programId: program.id })
+    const dish = await caller.createDish({ lunchEventId: event.id, name: 'X', dietaryTags: [] })
+    const user = await createTestUser('APPLICANT')
+    userIds.push(user.id)
+    const project = await createTestProject(program.id, {
+      title: `dish-del-proj-${uid()}`,
+      competitionCategory: 'STARTUP',
+    })
+    const conf = await prisma.finalistConfirmation.create({
+      data: {
+        projectId: project.id, category: 'STARTUP', status: 'CONFIRMED',
+        deadline: new Date(Date.now() + 86_400_000), token: `tok-${uid()}`,
+      },
+    })
+    const member = await prisma.attendingMember.create({
+      data: { confirmationId: conf.id, userId: user.id },
+    })
+    await prisma.memberLunchPick.create({
+      data: { attendingMemberId: member.id, dishId: dish.id, pickedAt: new Date() },
+    })
+    await caller.deleteDish({ dishId: dish.id })
+    const pick = await prisma.memberLunchPick.findUnique({
+      where: { attendingMemberId: member.id },
+    })
+    expect(pick?.dishId).toBeNull()
+  })
+
+  it('reorderDishes commits new sortOrder values', async () => {
+    const program = await createTestProgram({ name: `dish-reorder-${uid()}` })
+    programIds.push(program.id)
+    const { caller } = await newAdminCaller()
+    const event = await caller.getEvent({ programId: program.id })
+    const a = await caller.createDish({
+      lunchEventId: event.id, name: 'a', dietaryTags: [], sortOrder: 0,
+    })
+    const b = await caller.createDish({
+      lunchEventId: event.id, name: 'b', dietaryTags: [], sortOrder: 1,
+    })
+    await caller.reorderDishes({
+      ordered: [
+        { dishId: b.id, sortOrder: 0 },
+        { dishId: a.id, sortOrder: 1 },
+      ],
+    })
+    const dishes = await caller.listDishes({ lunchEventId: event.id })
+    expect(dishes.map((d) => d.name)).toEqual(['b', 'a'])
+  })
+})
+
 describe('lunch.updateEvent', () => {
   it('patches an arbitrary subset of fields', async () => {
     const program = await createTestProgram({ name: `lunch-upd-${uid()}` })