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/variants/input/User.input.ts

@@ -22,7 +22,8 @@ export const UserInputSchema = z.object({
     twilioSettings: z.unknown().optional().nullable(),
     aiSettings: z.unknown().optional().nullable(),
     officeHours: z.unknown().optional().nullable(),
-    officeContact: z.unknown().optional().nullable()
+    officeContact: z.unknown().optional().nullable(),
+    procedureTimeslot: z.unknown().optional().nullable()
 }).strict();
 
 export type UserInputType = z.infer<typeof UserInputSchema>;