🐛 fix typecheck and cleanup imports

server/api/pots/[slug]/payments.post.ts

@@ -1,5 +1,5 @@
-import { useDb } from '../../../database/client'
-import { expenseParticipants, expenses } from '../../../database/schema'
+import { useDb } from '~~/server/database/client'
+import { expenseParticipants, expenses } from '~~/server/database/schema'
 
 export default defineEventHandler(async (event) => {
   const slug = getRouterParam(event, 'slug')!
@@ -27,7 +27,7 @@ export default defineEventHandler(async (event) => {
   const [payment] = await db.insert(expenses)
     .values({ potSlug: slug, type: 'payment', description: 'Settlement', amountCents, payerId: fromId })
     .returning()
-  await db.insert(expenseParticipants).values({ expenseId: payment.id, participantId: toId })
+  await db.insert(expenseParticipants).values({ expenseId: payment!.id, participantId: toId })
 
   return { ...payment, participantIds: [toId] }
 })