feat: payment PDF extraction, import, and remittance tracking

- Add Upload Payment Documents section with Extract & Download (Excel)
  and Extract & Import (database) buttons
- PDF extractor (pdfplumber) parses MassHealth RA PDFs: two-pass
  strategy joins summary-page ICN/patient map with detail-page
  procedure data (CDT code, paid code, tooth, date, allowed amount)
- RA cover-page summary (Payee ID, RA #, Payment Amount, etc.)
  included as separate Excel sheet; numeric values written as numbers
- Backend PDF import route groups rows by Member #, finds/creates
  patient, creates Payment + ServiceLines with ICN per procedure
- Add icn, paidCode, allowedAmount fields to ServiceLine schema
- Payments table: status simplified to Paid in Full / Balance;
  adjustment auto-computed on mhPaidAmount/copayment change;
  Paid in Full and Revert buttons with confirmation dialogs
- Edit Payment modal: shows ICN, Paid Code, Allowed Amount per line
- PDF Import badge distinguishes from OCR imports in payments table

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

packages/db/shared/schemas/objects/ServiceLineCreateManyInput.schema.ts

@@ -14,6 +14,17 @@ const makeSchema = () => z.object({
   arch: z.string().optional().nullable(),
   toothNumber: z.string().optional().nullable(),
   toothSurface: z.string().optional().nullable(),
+  icn: z.string().optional().nullable(),
+  paidCode: z.string().optional().nullable(),
+  allowedAmount: z.union([
+  z.number(),
+  z.string(),
+  z.instanceof(Decimal),
+  z.instanceof(Prisma.Decimal),
+  DecimalJSLikeSchema,
+]).refine((v) => isValidDecimalInput(v), {
+  message: "Field 'allowedAmount' must be a Decimal",
+}).optional().nullable(),
   totalBilled: z.union([
   z.number(),
   z.string(),