feat: add Copayment and Adjustment columns to payments table

- Added copayment and adjustment fields (Decimal, default 0) to Payment
  model in schema and directly to DB via ALTER TABLE
- Added PATCH /api/payments/:id/copayment and /adjustment routes
- Added inline-editable Copayment and Adjustment columns after MH Paid
  with same click-to-edit format; Copayment in blue, Adjustment in orange

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/db/shared/schemas/results/UserAggregateResult.schema.ts

@@ -21,7 +21,8 @@ export const UserAggregateResultSchema = z.object({  _count: z.object({
     twilioSettings: z.number(),
     aiSettings: z.number(),
     officeHours: z.number(),
-    officeContact: z.number()
+    officeContact: z.number(),
+    procedureTimeslot: z.number()
   }).optional(),
   _sum: z.object({
     id: z.number().nullable()