feat: chat window, preferred language, insurance contact, and AI call eligibility

- Schedule: right-click Chat option opens floating SMS chat window
- Chat window: SMS template selector with appointment date/time pre-filled
- Chat window: office name and phone pulled from Settings > Office Contact
- Chat window: Preferred Language selector (English, Spanish, Portuguese,
  Mandarin, Cantonese, Arabic, Haitian Creole) with fully translated templates
  and locale-aware date/time formatting
- Patient form: Preferred Language field (add/edit), default English
- Settings > Office Contact: added Dental Office Name field
- Settings > Advanced: Insurance Contact page (CRUD — company name + phone)
- Prisma schema: preferredLanguage on Patient, officeName on OfficeContact,
  new InsuranceContact model
- Patient management: Upload Patient Document moved below Patient Records
- Insurance Eligibility: AI Call Insurance collapsible section; insurance
  company and phone auto-populated from saved Insurance Contacts

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

apps/Backend/src/storage/index.ts

@@ -22,6 +22,7 @@ import { aiSettingsStorage } from "./ai-settings-storage";
 import { officeHoursStorage } from "./office-hours-storage";
 import { officeContactStorage } from "./office-contact-storage";
 import { procedureTimeslotStorage } from "./procedure-timeslot-storage";
+import { insuranceContactStorage } from "./insurance-contact-storage";
 
 
 export const storage = {
@@ -47,6 +48,7 @@ export const storage = {
   ...officeHoursStorage,
   ...officeContactStorage,
   ...procedureTimeslotStorage,
+  ...insuranceContactStorage,
 
 };
 

apps/Backend/src/storage/insurance-contact-storage.ts

@@ -0,0 +1,25 @@
+import { prisma as db } from "@repo/db/client";
+
+export const insuranceContactStorage = {
+  async getInsuranceContactsByUser(userId: number) {
+    return db.insuranceContact.findMany({
+      where: { userId },
+      orderBy: { name: "asc" },
+    });
+  },
+
+  async createInsuranceContact(data: { userId: number; name: string; phoneNumber?: string }) {
+    return db.insuranceContact.create({ data });
+  },
+
+  async updateInsuranceContact(id: number, data: { name?: string; phoneNumber?: string }) {
+    return db.insuranceContact.update({ where: { id }, data });
+  },
+
+  async deleteInsuranceContact(userId: number, id: number) {
+    const record = await db.insuranceContact.findFirst({ where: { id, userId } });
+    if (!record) return false;
+    await db.insuranceContact.delete({ where: { id } });
+    return true;
+  },
+};

apps/Backend/src/storage/office-contact-storage.ts

@@ -6,6 +6,7 @@ export const officeContactStorage = {
   },
 
   async upsertOfficeContact(userId: number, data: {
+    officeName?: string;
     receptionistName?: string;
     dentistName?: string;
     phoneNumber?: string;