feat(whatsapp): add calling enable/disable toggle in inbox settings UI

app/javascript/dashboard/i18n/locale/en/inboxMgmt.json

@@ -759,6 +759,9 @@
       "WHATSAPP_TEMPLATES_SYNC_SUBHEADER": "Manually sync message templates from WhatsApp to update your available templates.",
       "WHATSAPP_TEMPLATES_SYNC_BUTTON": "Sync Templates",
       "WHATSAPP_TEMPLATES_SYNC_SUCCESS": "Templates sync initiated successfully. It may take a couple of minutes to update.",
+      "WHATSAPP_CALLING_TITLE": "WhatsApp Calling",
+      "WHATSAPP_CALLING_SUBHEADER": "Enable agents to make and receive WhatsApp voice calls directly from Chatwoot. Requires your WhatsApp number to be approved for the Calling API by Meta.",
+      "WHATSAPP_CALLING_LABEL": "Enable WhatsApp Calling",
       "UPDATE_PRE_CHAT_FORM_SETTINGS": "Update Pre Chat Form Settings"
     },
     "HELP_CENTER": {

app/javascript/dashboard/i18n/locale/en/index.js

@@ -36,6 +36,7 @@ import signup from './signup.json';
 import sla from './sla.json';
 import teamsSettings from './teamsSettings.json';
 import whatsappTemplates from './whatsappTemplates.json';
+import whatsappCall from './whatsappCall.json';
 import contentTemplates from './contentTemplates.json';
 import mfa from './mfa.json';
 import yearInReview from './yearInReview.json';
@@ -79,6 +80,7 @@ export default {
   ...sla,
   ...teamsSettings,
   ...whatsappTemplates,
+  ...whatsappCall,
   ...contentTemplates,
   ...mfa,
   ...yearInReview,

app/javascript/dashboard/i18n/locale/en/whatsappCall.json

@@ -0,0 +1,17 @@
+{
+  "WHATSAPP_CALL": {
+    "INCOMING_WHATSAPP_CALL": "Incoming WhatsApp Call",
+    "OUTGOING_WHATSAPP_CALL": "Outgoing WhatsApp Call",
+    "ACCEPT": "Accept",
+    "REJECT": "Reject",
+    "HANG_UP": "Hang Up",
+    "MUTE": "Mute",
+    "UNMUTE": "Unmute",
+    "INITIATE_CALL": "Call via WhatsApp",
+    "CALLING": "Calling…",
+    "CALL_FAILED": "Call failed. Please try again.",
+    "UNKNOWN_CALLER": "Unknown caller",
+    "MIC_DENIED": "Microphone access denied. Please allow mic access and try again.",
+    "CALL_TAKEN": "Call accepted by another agent"
+  }
+}