feat: migrate SMS/voice to Telnyx (TeXML), keep browser dial pad on Twilio

Twilio now handles only the in-browser dial pad (Access Token + browser-Device
outbound TwiML); Telnyx takes over SMS, inbound voicemail, the AI voice
conversation loop, and staff-triggered outbound calls via TeXML. Adds
TelnyxSettings model, Communication.provider discriminator, new comms/routes
modules, and a real Telnyx Settings page.

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

apps/Frontend/src/pages/appointments-page.tsx

@@ -1460,7 +1460,7 @@ export default function AppointmentsPage() {
     if (!user || selectedReminderColumns.size === 0) return;
     setIsSendingReminders(true);
     try {
-      const res = await apiRequest("POST", "/api/twilio/send-reminders-batch", {
+      const res = await apiRequest("POST", "/api/telnyx/send-reminders-batch", {
         date: formattedSelectedDate,
         staffIds: Array.from(selectedReminderColumns),
         aiFollowUp: reminderAiFollowUp,
@@ -1481,7 +1481,7 @@ export default function AppointmentsPage() {
     if (!user || selectedRescheduleColumns.size === 0) return;
     setIsSendingReschedule(true);
     try {
-      const res = await apiRequest("POST", "/api/twilio/send-reschedule-batch", {
+      const res = await apiRequest("POST", "/api/telnyx/send-reschedule-batch", {
         date: formattedSelectedDate,
         staffIds: Array.from(selectedRescheduleColumns),
         aiFollowUp: rescheduleAiFollowUp,

apps/Frontend/src/pages/patient-connection-page.tsx

@@ -43,9 +43,9 @@ export default function PatientConnectionPage() {
   const { toast } = useToast();
 
   useQuery<{ enabled: boolean }>({
-    queryKey: ["/api/twilio/after-hours-handoff"],
+    queryKey: ["/api/telnyx/after-hours-handoff"],
     queryFn: async () => {
-      const res = await apiRequest("GET", "/api/twilio/after-hours-handoff");
+      const res = await apiRequest("GET", "/api/telnyx/after-hours-handoff");
       return res.json();
     },
     onSuccess: (data: { enabled: boolean }) => setAfterHoursEnabled(data.enabled),
@@ -53,7 +53,7 @@ export default function PatientConnectionPage() {
 
   const afterHoursMutation = useMutation({
     mutationFn: async (enabled: boolean) =>
-      apiRequest("PUT", "/api/twilio/after-hours-handoff", { enabled }),
+      apiRequest("PUT", "/api/telnyx/after-hours-handoff", { enabled }),
     onSuccess: (_: any, enabled: boolean) => {
       toast({
         title: enabled ? "After-hours AI enabled" : "After-hours AI disabled",
@@ -81,7 +81,7 @@ export default function PatientConnectionPage() {
       to: string;
       patientId: number;
     }) => {
-      return apiRequest("POST", "/api/twilio/make-call", {
+      return apiRequest("POST", "/api/telnyx/make-call", {
         to,
         message:
           "Hello, this is a call from your dental office. We are calling to connect with you.",
@@ -112,7 +112,7 @@ export default function PatientConnectionPage() {
       to: string;
       patientId: number;
     }) => {
-      return apiRequest("POST", "/api/twilio/make-ai-call", { to, patientId, purpose: "recall" });
+      return apiRequest("POST", "/api/telnyx/make-ai-call", { to, patientId, purpose: "recall" });
     },
     onSuccess: () => {
       toast({
@@ -150,7 +150,7 @@ export default function PatientConnectionPage() {
     );
   });
 
-  // Handle calling patient via Twilio
+  // Handle calling patient via Telnyx
   const handleCall = (patient: Patient) => {
     if (!patient.phone?.trim()) {
       toast({
@@ -166,7 +166,7 @@ export default function PatientConnectionPage() {
     });
   };
 
-  // Handle AI-driven call via Twilio
+  // Handle AI-driven call via Telnyx
   const handleAiCall = (patient: Patient) => {
     if (!patient.phone?.trim()) {
       toast({
@@ -201,7 +201,7 @@ export default function PatientConnectionPage() {
   };
 
   const { data: recentCommunications = [] } = useQuery<any[]>({
-    queryKey: ["/api/twilio/recent-communications"],
+    queryKey: ["/api/telnyx/recent-communications"],
     refetchInterval: 10000,
   });
 

apps/Frontend/src/pages/settings-page.tsx

@@ -14,6 +14,7 @@ import { Staff } from "@repo/db/types";
 import { NpiProviderTable } from "@/components/settings/npiProviderTable";
 import { ProgramBridgeTable } from "@/components/settings/program-bridge-table";
 import { TwilioSettingsCard } from "@/components/settings/twilio-settings-card";
+import { TelnyxSettingsCard } from "@/components/settings/telnyx-settings-card";
 import { AiSettingsCard } from "@/components/settings/ai-settings-card";
 import { OfficeHoursCard } from "@/components/settings/office-hours-card";
 import { OfficeContactCard } from "@/components/settings/office-contact-card";
@@ -30,6 +31,7 @@ type SectionId =
   | "npi"
   | "programs"
   | "twilio"
+  | "telnyx"
   | "ai"
   | "aichat"
   | "officehours"
@@ -260,6 +262,9 @@ export default function SettingsPage() {
       case "twilio":
         return <TwilioSettingsCard />;
 
+      case "telnyx":
+        return <TelnyxSettingsCard />;
+
       case "ai":
         return <AiSettingsCard />;