feat: add Remaining/Third Party columns, toggle PDF viewer, retire CMSP as separate insurance type

- Add remainingBenefit and thirdPartyInsurance columns to Patient; extract both
  from the MassHealth accumulator/member-detail pages during the eligibility
  check and surface them in the eligibility table
- Add an updated-date display and a toggle to suppress the post-check PDF
  viewer popup (default off) on the insurance eligibility page
- Rename CMSP-prefixed PDF filenames and UI copy to MH, since CMSP and MH now
  share the same worker
- Fold CMSP into MassHealth/MH across patient/claim insurance-type dropdowns
  and the chatbot's eligibility routing, since they're the same insurance
- Remove auto-download of saved eligibility PDFs; downloading is now manual

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

packages/db/shared/schemas/enums/PatientScalarFieldEnum.schema.ts

@@ -1,5 +1,5 @@
 import * as z from 'zod';
 
-export const PatientScalarFieldEnumSchema = z.enum(['id', 'firstName', 'lastName', 'dateOfBirth', 'gender', 'phone', 'email', 'address', 'city', 'zipCode', 'insuranceProvider', 'insuranceId', 'groupNumber', 'policyHolder', 'allergies', 'medicalConditions', 'preferredLanguage', 'status', 'userId', 'createdAt', 'updatedAt'])
+export const PatientScalarFieldEnumSchema = z.enum(['id', 'firstName', 'lastName', 'dateOfBirth', 'gender', 'phone', 'email', 'address', 'city', 'zipCode', 'insuranceProvider', 'insuranceId', 'groupNumber', 'policyHolder', 'allergies', 'medicalConditions', 'preferredLanguage', 'status', 'remainingBenefit', 'thirdPartyInsurance', 'userId', 'createdAt', 'updatedAt'])
 
 export type PatientScalarFieldEnum = z.infer<typeof PatientScalarFieldEnumSchema>;