app links and phone number

emiMobileServer/Source/Api.Service.pas

@@ -34,8 +34,9 @@ type
     // Device management — requires valid JWT; caller must also have user_admin = true
     [HttpGet] function GetDeviceList: TDeviceList;
     function RevokeDevice(const CredentialId: string): TJSONObject;
-    function AddPendingDevice(const DeviceName: string): TJSONObject;
-    function DeletePendingDevice(const DeviceName: string): TJSONObject;
+    function AddPendingDevice(const DeviceName, PhoneNumber: string): TJSONObject;
+    function DeletePendingDevice(const PhoneNumber: string): TJSONObject;
+    function SendAppLink(const PhoneNumber: string): TJSONObject;
   end;
 
 implementation

emiMobileServer/Source/Api.ServiceImpl.pas

@@ -7,7 +7,8 @@ uses
   System.SysUtils, System.Generics.Collections, XData.Sys.Exceptions, System.StrUtils,
   System.Hash, System.Classes, Common.Logging, System.JSON, Api.Service, VCL.Forms,
   Auth.Service, Uni, UniProvider, PostgreSQLUniProvider, Common.Ini,
-  Sparkle.HttpServer.Context, System.NetEncoding;
+  Sparkle.HttpServer.Context, System.NetEncoding,
+  System.Net.HttpClient, System.Net.URLClient, System.Classes;
 
 
 type
@@ -37,8 +38,9 @@ type
     function GetComplaintMemos(const CfsId: string): TJSONObject;
     function GetDeviceList: TDeviceList;
     function RevokeDevice(const CredentialId: string): TJSONObject;
-    function AddPendingDevice(const DeviceName: string): TJSONObject;
-    function DeletePendingDevice(const DeviceName: string): TJSONObject;
+    function AddPendingDevice(const DeviceName, PhoneNumber: string): TJSONObject;
+    function DeletePendingDevice(const PhoneNumber: string): TJSONObject;
+    function SendAppLink(const PhoneNumber: string): TJSONObject;
   end;
 
 implementation
@@ -1328,7 +1330,7 @@ begin
     try
       q.Connection := conn;
       q.SQL.Text :=
-        'SELECT id, credential_id, device_name, user_agent, ' +
+        'SELECT id, credential_id, device_name, phone_number, user_agent, ' +
         '  registered_at, revoked_at, revoked_by, status ' +
         'FROM lems.device_registrations ' +
         'ORDER BY registered_at DESC';
@@ -1342,6 +1344,7 @@ begin
           item.id            := q.FieldByName('id').AsInteger;
           item.credential_id := q.FieldByName('credential_id').AsString;
           item.device_name   := q.FieldByName('device_name').AsString;
+          item.phone_number  := q.FieldByName('phone_number').AsString;
           item.user_agent    := q.FieldByName('user_agent').AsString;
           item.registered_at := q.FieldByName('registered_at').AsString;
           if q.FieldByName('revoked_at').IsNull then
@@ -1457,10 +1460,27 @@ begin
 end;
 
 
-function TApiService.AddPendingDevice(const DeviceName: string): TJSONObject;
+function NormalizePhoneE164Api(const APhone: string): string;
+var
+  digits: string;
+  i: Integer;
+begin
+  digits := '';
+  for i := 1 to Length(APhone) do
+    if CharInSet(APhone[i], ['0'..'9']) then
+      digits := digits + APhone[i];
+  if (Length(digits) = 11) and (digits[1] = '1') then
+    Delete(digits, 1, 1);
+  if Length(digits) <> 10 then
+    raise Exception.Create('Invalid phone number. Enter a 10-digit US number.');
+  Result := '+1' + digits;
+end;
+
+function TApiService.AddPendingDevice(const DeviceName, PhoneNumber: string): TJSONObject;
 var
   conn: TUniConnection;
   q: TUniQuery;
+  normalizedPhone: string;
 begin
   RequireAdmin;
 
@@ -1474,34 +1494,46 @@ begin
     Exit;
   end;
 
+  try
+    normalizedPhone := NormalizePhoneE164Api(PhoneNumber);
+  except
+    on E: Exception do
+    begin
+      Result.AddPair('status', 'error');
+      Result.AddPair('message', E.Message);
+      Exit;
+    end;
+  end;
+
   conn := OpenLemsConnection;
   try
     q := TUniQuery.Create(nil);
     try
       q.Connection := conn;
 
-      // Reject if a pending entry with this name already exists
+      // Reject if a pending entry with this phone already exists
       q.SQL.Text :=
         'SELECT id FROM lems.device_registrations ' +
-        'WHERE LOWER(device_name) = LOWER(:NAME) AND status = ''pending''';
-      q.ParamByName('NAME').AsString := Trim(DeviceName);
+        'WHERE phone_number = :PHONE AND status = ''pending''';
+      q.ParamByName('PHONE').AsString := normalizedPhone;
       q.Open;
       if not q.IsEmpty then
       begin
         q.Close;
         Result.AddPair('status', 'error');
-        Result.AddPair('message', 'A pending entry for that device name already exists.');
+        Result.AddPair('message', 'A pending entry for that phone number already exists.');
         Exit;
       end;
       q.Close;
 
       q.SQL.Text :=
-        'INSERT INTO lems.device_registrations (device_name, status) ' +
-        'VALUES (:NAME, ''pending'')';
-      q.ParamByName('NAME').AsString := Trim(DeviceName);
+        'INSERT INTO lems.device_registrations (device_name, phone_number, status) ' +
+        'VALUES (:NAME, :PHONE, ''pending'')';
+      q.ParamByName('NAME').AsString  := Trim(DeviceName);
+      q.ParamByName('PHONE').AsString := normalizedPhone;
       q.ExecSQL;
 
-      Logger.Log(2, 'TApiService.AddPendingDevice - added "' + Trim(DeviceName) + '"');
+      Logger.Log(2, 'TApiService.AddPendingDevice - added "' + Trim(DeviceName) + '" phone: ' + normalizedPhone);
       Result.AddPair('status', 'ok');
       Result.AddPair('message', 'Pending device added.');
     finally
@@ -1512,21 +1544,26 @@ begin
   end;
 end;
 
-function TApiService.DeletePendingDevice(const DeviceName: string): TJSONObject;
+function TApiService.DeletePendingDevice(const PhoneNumber: string): TJSONObject;
 var
   conn: TUniConnection;
   q: TUniQuery;
+  normalizedPhone: string;
 begin
   RequireAdmin;
 
   Result := TJSONObject.Create;
   TXDataOperationContext.Current.Handler.ManagedObjects.Add(Result);
 
-  if Trim(DeviceName) = '' then
-  begin
-    Result.AddPair('status', 'error');
-    Result.AddPair('message', 'Device name is required.');
-    Exit;
+  try
+    normalizedPhone := NormalizePhoneE164Api(PhoneNumber);
+  except
+    on E: Exception do
+    begin
+      Result.AddPair('status', 'error');
+      Result.AddPair('message', E.Message);
+      Exit;
+    end;
   end;
 
   conn := OpenLemsConnection;
@@ -1536,13 +1573,13 @@ begin
       q.Connection := conn;
       q.SQL.Text :=
         'DELETE FROM lems.device_registrations ' +
-        'WHERE LOWER(device_name) = LOWER(:NAME) AND status = ''pending''';
-      q.ParamByName('NAME').AsString := Trim(DeviceName);
+        'WHERE phone_number = :PHONE AND status = ''pending''';
+      q.ParamByName('PHONE').AsString := normalizedPhone;
       q.ExecSQL;
 
       if q.RowsAffected > 0 then
       begin
-        Logger.Log(2, 'TApiService.DeletePendingDevice - deleted "' + Trim(DeviceName) + '"');
+        Logger.Log(2, 'TApiService.DeletePendingDevice - deleted phone: ' + normalizedPhone);
         Result.AddPair('status', 'ok');
         Result.AddPair('message', 'Pending device removed.');
       end
@@ -1559,6 +1596,118 @@ begin
   end;
 end;
 
+function TApiService.SendAppLink(const PhoneNumber: string): TJSONObject;
+var
+  conn: TUniConnection;
+  q: TUniQuery;
+  normalizedPhone, redeemCode, linkUrl, msgBody: string;
+  httpClient: THTTPClient;
+  bodyStream: TStringStream;
+  formData, authStr: string;
+  response: IHTTPResponse;
+begin
+  RequireAdmin;
+
+  Result := TJSONObject.Create;
+  TXDataOperationContext.Current.Handler.ManagedObjects.Add(Result);
+
+  try
+    normalizedPhone := NormalizePhoneE164Api(PhoneNumber);
+  except
+    on E: Exception do
+    begin
+      Result.AddPair('status', 'error');
+      Result.AddPair('message', E.Message);
+      Exit;
+    end;
+  end;
+
+  if (ServerConfig.twilioAccountSid = '') or (ServerConfig.twilioAuthToken = '') or
+     (ServerConfig.twilioFromNumber = '') then
+  begin
+    Result.AddPair('status', 'error');
+    Result.AddPair('message', 'Twilio is not configured on the server.');
+    Exit;
+  end;
+
+  // Pick an unused redeem code (SKIP LOCKED for concurrent safety)
+  redeemCode := '';
+  conn := OpenLemsConnection;
+  try
+    q := TUniQuery.Create(nil);
+    try
+      q.Connection := conn;
+      conn.StartTransaction;
+      try
+        q.SQL.Text :=
+          'SELECT code FROM lems.redeem_codes ' +
+          'WHERE used_at IS NULL ' +
+          'ORDER BY id ' +
+          'LIMIT 1 FOR UPDATE SKIP LOCKED';
+        q.Open;
+        if q.IsEmpty then
+        begin
+          q.Close;
+          conn.Rollback;
+          Result.AddPair('status', 'error');
+          Result.AddPair('message', 'No unused redeem codes available.');
+          Exit;
+        end;
+        redeemCode := q.FieldByName('code').AsString;
+        q.Close;
+
+        q.SQL.Text :=
+          'UPDATE lems.redeem_codes SET used_at = NOW(), used_for = :PHONE ' +
+          'WHERE code = :CODE';
+        q.ParamByName('PHONE').AsString := normalizedPhone;
+        q.ParamByName('CODE').AsString  := redeemCode;
+        q.ExecSQL;
+
+        conn.Commit;
+      except
+        conn.Rollback;
+        raise;
+      end;
+    finally
+      q.Free;
+    end;
+  finally
+    conn.Free;
+  end;
+
+  // Build and send Twilio SMS
+  linkUrl := 'https://apps.apple.com/redeem?code=' + redeemCode + '&ctx=apps';
+  msgBody := 'Your emiMobile app download link: ' + linkUrl;
+
+  authStr  := TNetEncoding.Base64.Encode(ServerConfig.twilioAccountSid + ':' + ServerConfig.twilioAuthToken);
+  formData := 'From=' + TNetEncoding.URL.Encode(ServerConfig.twilioFromNumber) +
+              '&To='   + TNetEncoding.URL.Encode(normalizedPhone) +
+              '&Body=' + TNetEncoding.URL.Encode(msgBody);
+
+  httpClient := THTTPClient.Create;
+  try
+    httpClient.ContentType := 'application/x-www-form-urlencoded';
+    httpClient.CustomHeaders['Authorization'] := 'Basic ' + authStr;
+    bodyStream := TStringStream.Create(formData, TEncoding.UTF8);
+    try
+      response := httpClient.Post(
+        'https://api.twilio.com/2010-04-01/Accounts/' + ServerConfig.twilioAccountSid + '/Messages.json',
+        bodyStream);
+      if response.StatusCode >= 300 then
+        raise Exception.CreateFmt('Twilio error %d: %s', [response.StatusCode, response.ContentAsString]);
+    finally
+      bodyStream.Free;
+    end;
+  finally
+    httpClient.Free;
+  end;
+
+  Logger.Log(2, Format('TApiService.SendAppLink - sent to %s code %s', [normalizedPhone, redeemCode]));
+  Result.AddPair('status', 'ok');
+  Result.AddPair('message', 'App link sent via SMS.');
+  Result.AddPair('code', redeemCode);
+end;
+
 initialization
   RegisterServiceType(TApiService);
 

emiMobileServer/Source/Auth.Service.pas

@@ -45,6 +45,7 @@ type
     id: Integer;
     credential_id: string;
     device_name: string;
+    phone_number: string;
     user_agent: string;
     registered_at: string;
     revoked_at: string;
@@ -71,10 +72,10 @@ type
     [HttpGet] function GetAgencyConfigList: TAgencyConfigList;
     function VerifyVersion(ClientVersion: string): TJSONObject;
 
-    // WebAuthn registration — step 1: server returns challenge + rpId/rpName
-    function BeginRegistration(const DeviceName: string): TJSONObject;
-    // WebAuthn registration — step 2: client submits credential, server verifies + stores
-    function CompleteRegistration(const DeviceName, CredentialId,
+    // WebAuthn registration — step 1: server checks phone pre-auth, returns challenge
+    function BeginRegistration(const PhoneNumber: string): TJSONObject;
+    // WebAuthn registration — step 2: client submits credential, server verifies + activates pending row
+    function CompleteRegistration(const PhoneNumber, CredentialId,
                                   AttestationObject, ClientDataJSON,
                                   ChallengeToken: string): TJSONObject;
     // WebAuthn authentication challenge — called before Login

emiMobileServer/Source/Auth.ServiceImpl.pas

@@ -36,8 +36,8 @@ type
                    signature: string): string;
     function GetAgencieslist(): TAgenciesList;
     function GetAgencyConfiglist: TAgencyConfigList;
-    function BeginRegistration(const DeviceName: string): TJSONObject;
-    function CompleteRegistration(const DeviceName, CredentialId,
+    function BeginRegistration(const PhoneNumber: string): TJSONObject;
+    function CompleteRegistration(const PhoneNumber, CredentialId,
                                   AttestationObject, ClientDataJSON,
                                   ChallengeToken: string): TJSONObject;
     function BeginAuthentication(const CredentialId: string): TJSONObject;
@@ -155,42 +155,69 @@ begin
   Result := LowerCase(Trim(s));
 end;
 
+function NormalizePhoneE164(const APhone: string): string;
+var
+  digits: string;
+  i: Integer;
+begin
+  digits := '';
+  for i := 1 to Length(APhone) do
+    if CharInSet(APhone[i], ['0'..'9']) then
+      digits := digits + APhone[i];
+  if (Length(digits) = 11) and (digits[1] = '1') then
+    Delete(digits, 1, 1);
+  if Length(digits) <> 10 then
+    raise Exception.Create('Invalid phone number. Enter a 10-digit US number.');
+  Result := '+1' + digits;
+end;
+
 // ---------------------------------------------------------------------------
 // BeginRegistration
 // ---------------------------------------------------------------------------
 
-function TAuthService.BeginRegistration(const DeviceName: string): TJSONObject;
+function TAuthService.BeginRegistration(const PhoneNumber: string): TJSONObject;
 var
-  token, challengeB64: string;
+  token, challengeB64, normalizedPhone: string;
   q: TUniQuery;
 begin
-  Logger.Log(2, 'AuthService.BeginRegistration - deviceName: "' + DeviceName + '"');
+  Logger.Log(2, 'AuthService.BeginRegistration - phone: "' + PhoneNumber + '"');
 
   Result := TJSONObject.Create;
   TXDataOperationContext.Current.Handler.ManagedObjects.Add(Result);
 
-  if Trim(DeviceName) = '' then
+  if Trim(PhoneNumber) = '' then
   begin
     Result.AddPair('status', 'error');
-    Result.AddPair('message', 'Device name is required.');
+    Result.AddPair('message', 'Phone number is required.');
     Exit;
   end;
 
-  // Verify device name was pre-authorized by admin
+  try
+    normalizedPhone := NormalizePhoneE164(PhoneNumber);
+  except
+    on E: Exception do
+    begin
+      Result.AddPair('status', 'error');
+      Result.AddPair('message', E.Message);
+      Exit;
+    end;
+  end;
+
+  // Verify phone number was pre-authorized by admin
   q := TUniQuery.Create(nil);
   try
     q.Connection := authDB.ucLemsOCSO;
     q.SQL.Text :=
       'SELECT id FROM lems.device_registrations ' +
-      'WHERE LOWER(device_name) = LOWER(:NAME) AND status = ''pending''';
-    q.ParamByName('NAME').AsString := Trim(DeviceName);
+      'WHERE phone_number = :PHONE AND status = ''pending''';
+    q.ParamByName('PHONE').AsString := normalizedPhone;
     q.Open;
     if q.IsEmpty then
     begin
       q.Close;
-      Logger.Log(2, 'BeginRegistration - device name not pre-authorized: "' + DeviceName + '"');
+      Logger.Log(2, 'BeginRegistration - phone not pre-authorized: "' + normalizedPhone + '"');
       Result.AddPair('status', 'error');
-      Result.AddPair('message', 'Device name not recognized. Contact your administrator.');
+      Result.AddPair('message', 'Phone number not recognized. Contact your administrator.');
       Exit;
     end;
     q.Close;
@@ -211,7 +238,7 @@ end;
 // CompleteRegistration
 // ---------------------------------------------------------------------------
 
-function TAuthService.CompleteRegistration(const DeviceName, CredentialId,
+function TAuthService.CompleteRegistration(const PhoneNumber, CredentialId,
   AttestationObject, ClientDataJSON, ChallengeToken: string): TJSONObject;
 var
   challengeB64: string;
@@ -351,7 +378,19 @@ begin
     Exit;
   end;
 
-  // 9. Activate the pending row — UPDATE instead of INSERT
+  // 9. Normalize phone and activate the pending row
+  var normalizedPhone: string := '';
+  try
+    normalizedPhone := NormalizePhoneE164(PhoneNumber);
+  except
+    on E: Exception do
+    begin
+      Result.AddPair('status', 'error');
+      Result.AddPair('message', E.Message);
+      Exit;
+    end;
+  end;
+
   q := TUniQuery.Create(nil);
   try
     q.Connection := authDB.ucLemsOCSO;
@@ -367,28 +406,28 @@ begin
       '    public_key_x = :KEYX, public_key_y = :KEYY, ' +
       '    public_key_alg = :ALG, sign_count = :CNT, ' +
       '    status = ''active'', registered_at = NOW() ' +
-      'WHERE LOWER(device_name) = LOWER(:NAME) AND status = ''pending''';
+      'WHERE phone_number = :PHONE AND status = ''pending''';
     q.ParamByName('CID').AsString   := Trim(CredentialId);
     q.ParamByName('AGENT').AsString := userAgent;
     q.ParamByName('KEYX').AsBytes   := pubKeyX;
     q.ParamByName('KEYY').AsBytes   := pubKeyY;
     q.ParamByName('ALG').AsInteger  := pubKeyAlg;
     q.ParamByName('CNT').AsInteger  := Integer(signCount);
-    q.ParamByName('NAME').AsString  := Trim(DeviceName);
+    q.ParamByName('PHONE').AsString := normalizedPhone;
     q.ExecSQL;
 
     if q.RowsAffected = 0 then
     begin
-      Logger.Log(2, 'CompleteRegistration - no pending row for "' + DeviceName + '"');
+      Logger.Log(2, 'CompleteRegistration - no pending row for phone "' + normalizedPhone + '"');
       Result.AddPair('status', 'error');
-      Result.AddPair('message', 'Device name is not pending registration. Contact your administrator.');
+      Result.AddPair('message', 'Phone number is not pending registration. Contact your administrator.');
       Exit;
     end;
   finally
     q.Free;
   end;
 
-  Logger.Log(2, 'CompleteRegistration - activated credential for "' + DeviceName + '"');
+  Logger.Log(2, 'CompleteRegistration - activated credential for phone "' + normalizedPhone + '"');
   Result.AddPair('status', 'ok');
   Result.AddPair('message', 'Device registered successfully.');
   Result.AddPair('credentialId', Trim(CredentialId));

emiMobileServer/Source/Common.Config.pas

@@ -18,6 +18,9 @@ type
     FAuditEnabled: Boolean;
     FRpId: string;
     FRpName: string;
+    FTwilioAccountSid: string;
+    FTwilioAuthToken: string;
+    FTwilioFromNumber: string;
   public
     constructor Create;
     property url: string read FUrl write FUrl;
@@ -31,6 +34,10 @@ type
     // WebAuthn Relying Party — must match the domain serving the app (e.g. "localhost")
     property rpId: string read FRpId write FRpId;
     property rpName: string read FRpName write FRpName;
+    // Twilio SMS (for sending App Store redemption links)
+    property twilioAccountSid: string read FTwilioAccountSid write FTwilioAccountSid;
+    property twilioAuthToken: string read FTwilioAuthToken write FTwilioAuthToken;
+    property twilioFromNumber: string read FTwilioFromNumber write FTwilioFromNumber;
   end;
 
 procedure LoadServerConfig;

emiMobileServer/device_registrations_phone.sql

+-- Migration: add phone_number to device_registrations + create redeem_codes table
+-- Run once against the lems database (after device_registrations_pending.sql).
+
+-- 1. Add phone_number column (nullable; unique among non-revoked rows via app logic)
+ALTER TABLE lems.device_registrations
+  ADD COLUMN IF NOT EXISTS phone_number VARCHAR(20);
+
+-- 2. Create redeem_codes table for App Store redemption links
+CREATE TABLE IF NOT EXISTS lems.redeem_codes (
+  id       SERIAL       PRIMARY KEY,
+  code     VARCHAR(20)  NOT NULL UNIQUE,
+  used_at  TIMESTAMPTZ,
+  used_for VARCHAR(20)   -- E.164 phone number this code was sent to
+);
+
+-- 3. Seed redeem codes from wyoming_redeem_codes_03_2023.csv
+INSERT INTO lems.redeem_codes (code) VALUES
+  ('6KMHNH7A6LN9'),
+  ('6MXT9NTX6L9E'),
+  ('YAJWXLFYHL64'),
+  ('PPYK7L6YKEER'),
+  ('A37L4E733ENH'),
+  ('33JAW639P3YX'),
+  ('HHAKYY9T36PJ'),
+  ('T9FJ7KRML43Y'),
+  ('E73AARXT946K'),
+  ('AEAFJT7XRJWN'),
+  ('PXFA7E69LKNT'),
+  ('PHKAP6M6N76T'),
+  ('67EWNTXFKKHN'),
+  ('3HR7479KMKJ7'),
+  ('EYYR7Y79T3PL'),
+  ('TYJYHY6FKX7E'),
+  ('9N6E9X4KYHHJ'),
+  ('FTMFLJ43ANN6'),
+  ('R6HKEHMM3MRL'),
+  ('7M3JNAKYTJ6H'),
+  ('TRWMRNE6TA33'),
+  ('3NJ7YX3NFAFX'),
+  ('NRJTARKHMEHH'),
+  ('EP4APXP46RWN'),
+  ('TAMPH6EK3XA6'),
+  ('6K9AAT7WA3PF'),
+  ('AJXYJTL6A37W'),
+  ('YKPA6LR3LFP6'),
+  ('XPXRPFHH7EXY'),
+  ('9NN693L766JN'),
+  ('4F9EPN9YWFTW'),
+  ('FJ9RXNNL6M3R'),
+  ('A4HMWTR4Y6YR'),
+  ('JL9RMJYWH3RW'),
+  ('NYXEELXHEEWR'),
+  ('TPTYRPWEFHLL'),
+  ('JWLEXF3T3HPX'),
+  ('WPYFWTJHMNEA'),
+  ('JLYHHAR9LAJ7'),
+  ('KW9YX4AY4F7F'),
+  ('LMJAJHE7HH69'),
+  ('LAWPM9WJYMLH'),
+  ('NLFMEA744NRJ'),
+  ('ETN39J3KYA3N'),
+  ('6Y7R3NX6K497'),
+  ('N3RN7WRRTEH6'),
+  ('LJ7REJWYPHWN'),
+  ('RWEMWAFWN4EP'),
+  ('M4XKLLAN7YNF'),
+  ('6NHRYRM4RTL7'),
+  ('WR3TA9KE47JN'),
+  ('H7TWKXYPNJEK'),
+  ('X4XHH6AHXMET'),
+  ('MPWKKNMKWML7'),
+  ('J3HEW4JWRKN3'),
+  ('E766HNR7AWAN'),
+  ('P6PTAFJJF6WY'),
+  ('XM7MR44FYPT4'),
+  ('TNM64T3FAHML'),
+  ('MEJ4YP7F9NJT'),
+  ('LLWHYLEAXJRX'),
+  ('TT7JPF7LRFNY'),
+  ('FXN6EFHXLHAY'),
+  ('M934TNKH7N6K'),
+  ('X94WXYT9PML7'),
+  ('L9AKMW376JTP'),
+  ('LTLKEWWA47JT'),
+  ('KRRNJYXPKHWH'),
+  ('NMTNKTKRXRPR'),
+  ('XMLFRRYA669X'),
+  ('EM96HJHJ64YA'),
+  ('XTF9TM94EKXH'),
+  ('P944369MR7N4'),
+  ('LJTFEAJFJ9F9'),
+  ('AX749RNJNFXP'),
+  ('XNY3W6JKHALK'),
+  ('XLK79WPMRP7R'),
+  ('T49KNHXKJ7L3'),
+  ('LRHAP7LNRLNL'),
+  ('NNJWPN69YATJ'),
+  ('LAALW6EH3L3A'),
+  ('FH3A7NYMX9YY'),
+  ('F369PH7W4HYL'),
+  ('FEAMK994PEL7'),
+  ('9AE7A4TYKPFM'),
+  ('4TYJHWMA99KX'),
+  ('MPR643T4E47R'),
+  ('3JEMLFRNTLP4'),
+  ('K7EWYHFJ96AW'),
+  ('P9YKYAPYHXWE'),
+  ('3R96N4FMHTEA'),
+  ('XJPPTEJT7YAM'),
+  ('396PF9KKMK4P'),
+  ('J9WJRKYNXMAR'),
+  ('RYTTTP44RTMJ'),
+  ('R6JHY44LKE7N'),
+  ('L7L7K3KR9TLP'),
+  ('AX7YFHTN63KP'),
+  ('WTKPYRF9FMJN'),
+  ('4YL3MN7FWFP7')
+ON CONFLICT (code) DO NOTHING;

webEMIMobile/Auth.Service.pas

@@ -42,9 +42,9 @@ type
     procedure ClearCredentialId;
 
     // WebAuthn registration — two-step
-    procedure BeginRegistration(ADeviceName: string;
+    procedure BeginRegistration(APhoneNumber: string;
       ASuccess: TOnBeginSuccess; AError: TOnDeviceError);
-    procedure CompleteRegistration(ADeviceName, ACredentialId,
+    procedure CompleteRegistration(APhoneNumber, ACredentialId,
       AAttestationObject, AClientDataJSON, AChallengeToken: string;
       ASuccess: TOnDeviceSuccess; AError: TOnDeviceError);
 
@@ -149,7 +149,7 @@ end;
 
 // ---- WebAuthn registration ----
 
-procedure TAuthService.BeginRegistration(ADeviceName: string;
+procedure TAuthService.BeginRegistration(APhoneNumber: string;
   ASuccess: TOnBeginSuccess; AError: TOnDeviceError);
 
   procedure OnLoad(Response: TXDataClientResponse);
@@ -177,12 +177,12 @@ procedure TAuthService.BeginRegistration(ADeviceName: string;
 begin
   FClient.RawInvoke(
     'IAuthService.BeginRegistration',
-    [ADeviceName],
+    [APhoneNumber],
     @OnLoad, @OnError
   );
 end;
 
-procedure TAuthService.CompleteRegistration(ADeviceName, ACredentialId,
+procedure TAuthService.CompleteRegistration(APhoneNumber, ACredentialId,
   AAttestationObject, AClientDataJSON, AChallengeToken: string;
   ASuccess: TOnDeviceSuccess; AError: TOnDeviceError);
 
@@ -215,7 +215,7 @@ procedure TAuthService.CompleteRegistration(ADeviceName, ACredentialId,
 begin
   FClient.RawInvoke(
     'IAuthService.CompleteRegistration',
-    [ADeviceName, ACredentialId, AAttestationObject, AClientDataJSON, AChallengeToken],
+    [APhoneNumber, ACredentialId, AAttestationObject, AClientDataJSON, AChallengeToken],
     @OnLoad, @OnError
   );
 end;

webEMIMobile/View.DeviceManager.dfm

@@ -39,23 +39,34 @@ object FViewDeviceManager: TFViewDeviceManager
   object edtNewDeviceName: TWebEdit
     Left = 8
     Top = 50
-    Width = 200
+    Width = 175
     Height = 25
     ElementID = 'view.devmgr.newname'
     HeightPercent = 100.000000000000000000
     WidthPercent = 100.000000000000000000
     TabOrder = 1
   end
+  object edtNewPhoneNumber: TWebEdit
+    Left = 192
+    Top = 50
+    Width = 155
+    Height = 25
+    ElementID = 'view.devmgr.newphone'
+    HeightPercent = 100.000000000000000000
+    TextHint = '(303) 555-1234'
+    WidthPercent = 100.000000000000000000
+    TabOrder = 2
+  end
   object btnAddDevice: TWebButton
-    Left = 220
+    Left = 356
     Top = 50
-    Width = 75
+    Width = 60
     Height = 25
     Caption = 'Add'
     ElementID = 'view.devmgr.btnadd'
     HeightPercent = 100.000000000000000000
     WidthPercent = 100.000000000000000000
-    TabOrder = 2
+    TabOrder = 3
     OnClick = btnAddDeviceClick
   end
   object XDataWebClient: TXDataWebClient

webEMIMobile/View.DeviceManager.html

 <div class="container-fluid p-3 h-100 d-flex flex-column">
 
   <div class="d-flex align-items-center mb-3">
-    <h5 class="mb-0 me-auto">Registered Devices</h5>
+    <h5 class="mb-0 me-auto">Device Management</h5>
     <button id="view.devmgr.btnrefresh"
             class="btn btn-outline-secondary btn-sm"
             onclick="document.dispatchEvent(new CustomEvent('devmgr-refresh'))">
@@ -23,13 +23,18 @@
   <!-- Add pending device -->
   <div class="card mb-3">
     <div class="card-body py-2">
-      <div class="d-flex align-items-center gap-2">
-        <label class="form-label mb-0 me-1 fw-semibold text-nowrap">Add Device:</label>
+      <div class="d-flex align-items-center gap-2 flex-wrap">
+        <span class="fw-semibold text-nowrap small">Add Device:</span>
         <input type="text"
                id="view.devmgr.newname"
                class="form-control form-control-sm"
                placeholder="Device name"
-               style="max-width: 220px;">
+               style="max-width:180px;">
+        <input type="tel"
+               id="view.devmgr.newphone"
+               class="form-control form-control-sm"
+               placeholder="(303) 555-1234"
+               style="max-width:160px;">
         <button id="view.devmgr.btnadd"
                 class="btn btn-primary btn-sm">Add</button>
       </div>
@@ -41,18 +46,19 @@
     <table class="table table-sm table-hover align-middle" id="view.devmgr.table">
       <thead class="table-light sticky-top">
         <tr>
-          <th style="min-width:140px;">Device Name</th>
+          <th style="min-width:130px;">Device Name</th>
+          <th style="min-width:120px;">Phone</th>
           <th>Browser / User Agent</th>
           <th style="min-width:135px;">Registered</th>
           <th style="min-width:80px;">Status</th>
-          <th style="min-width:80px;">Action</th>
+          <th style="min-width:160px;">Actions</th>
         </tr>
       </thead>
       <tbody id="view.devmgr.tbody">
       </tbody>
     </table>
     <p id="view.devmgr.empty" class="text-muted d-none text-center py-4">
-      No devices registered.
+      No devices found.
     </p>
   </div>
 

webEMIMobile/View.DeviceManager.pas

@@ -14,6 +14,7 @@ type
     lblMessage: TWebLabel;
     btnCloseNotification: TWebButton;
     edtNewDeviceName: TWebEdit;
+    edtNewPhoneNumber: TWebEdit;
     btnAddDevice: TWebButton;
     procedure WebFormCreate(Sender: TObject);
     procedure btnCloseNotificationClick(Sender: TObject);
@@ -22,12 +23,13 @@ type
     procedure ShowNotification(const AMsg: string; AIsError: Boolean = True);
     procedure HideNotification;
     procedure ClearTable;
-    procedure AddDeviceRow(const ACredentialId, AName, AUserAgent,
-      ARegisteredAt, AStatus: string);
+    procedure AddDeviceRow(const ACredentialId, AName, APhoneNumber,
+      AUserAgent, ARegisteredAt, AStatus: string);
     [async] procedure LoadDevices;
     [async] procedure RevokeDevice(const ACredentialId, AName: string);
-    [async] procedure AddPendingDevice(const AName: string);
-    [async] procedure DeletePendingDevice(const AName: string);
+    [async] procedure DeletePendingDevice(const APhoneNumber, AName: string);
+    [async] procedure SendAppLink(const APhoneNumber, AName: string);
+    [async] procedure AddPendingDevice;
   public
   end;
 
@@ -38,10 +40,43 @@ implementation
 
 {$R *.dfm}
 
+function FormatPhoneDisplay(const AE164: string): string;
+var
+  digits: string;
+begin
+  if Length(AE164) = 12 then
+    digits := Copy(AE164, 3, 10)
+  else
+    digits := AE164;
+  if Length(digits) = 10 then
+    Result := '(' + Copy(digits,1,3) + ') ' + Copy(digits,4,3) + '-' + Copy(digits,7,4)
+  else
+    Result := AE164;
+end;
+
 procedure TFViewDeviceManager.WebFormCreate(Sender: TObject);
 begin
   HideNotification;
   LoadDevices;
+
+  asm
+    // Format phone input on-the-fly
+    var inp = document.getElementById('view.devmgr.newphone');
+    if (inp) {
+      inp.addEventListener('input', function() {
+        var digits = inp.value.replace(/\D/g, '');
+        if (digits.length > 10) digits = digits.slice(0, 10);
+        var fmt = '';
+        if (digits.length > 6)
+          fmt = '(' + digits.slice(0,3) + ') ' + digits.slice(3,6) + '-' + digits.slice(6);
+        else if (digits.length > 3)
+          fmt = '(' + digits.slice(0,3) + ') ' + digits.slice(3);
+        else if (digits.length > 0)
+          fmt = '(' + digits;
+        inp.value = fmt;
+      });
+    }
+  end;
 end;
 
 procedure TFViewDeviceManager.btnCloseNotificationClick(Sender: TObject);
@@ -49,19 +84,6 @@ begin
   HideNotification;
 end;
 
-procedure TFViewDeviceManager.btnAddDeviceClick(Sender: TObject);
-var
-  name: string;
-begin
-  name := Trim(edtNewDeviceName.Text);
-  if name = '' then
-  begin
-    ShowNotification('Please enter a device name.');
-    Exit;
-  end;
-  AddPendingDevice(name);
-end;
-
 procedure TFViewDeviceManager.ShowNotification(const AMsg: string; AIsError: Boolean);
 begin
   lblMessage.Caption := AMsg;
@@ -93,22 +115,24 @@ begin
   end;
 end;
 
-procedure TFViewDeviceManager.AddDeviceRow(const ACredentialId, AName, AUserAgent,
-  ARegisteredAt, AStatus: string);
+procedure TFViewDeviceManager.AddDeviceRow(const ACredentialId, AName,
+  APhoneNumber, AUserAgent, ARegisteredAt, AStatus: string);
 var
-  tbody, tr, tdName, tdAgent, tdReg, tdStatus, tdAction: TJSHTMLElement;
-  btn: TJSHTMLElement;
-  displayDate: string;
+  tbody, tr, tdName, tdPhone, tdAgent, tdReg, tdStatus, tdAction: TJSHTMLElement;
+  btn, btnSend: TJSHTMLElement;
+  displayDate, displayPhone: string;
+  isPending, isRevoked: Boolean;
 begin
   tbody := TJSHTMLElement(document.getElementById('view.devmgr.tbody'));
-  if not Assigned(tbody) then
-    Exit;
+  if not Assigned(tbody) then Exit;
+
+  isPending    := AStatus = 'pending';
+  isRevoked    := AStatus = 'revoked';
+  displayPhone := FormatPhoneDisplay(APhoneNumber);
 
   tr := TJSHTMLElement(document.createElement('tr'));
-  if AStatus = 'revoked' then
-    tr.classList.add('table-secondary')
-  else if AStatus = 'pending' then
-    tr.classList.add('table-warning');
+  if isRevoked then tr.classList.add('table-secondary');
+  if isPending then tr.classList.add('table-warning');
 
   // Device name
   tdName := TJSHTMLElement(document.createElement('td'));
@@ -118,54 +142,63 @@ begin
     tdName.innerHTML := '<em class="text-muted">unnamed</em>';
   tr.appendChild(tdName);
 
-  // User agent (truncated via CSS)
+  // Phone number
+  tdPhone := TJSHTMLElement(document.createElement('td'));
+  tdPhone.innerText := displayPhone;
+  tr.appendChild(tdPhone);
+
+  // User agent (truncated)
   tdAgent := TJSHTMLElement(document.createElement('td'));
-  tdAgent.setAttribute('title', AUserAgent);
-  tdAgent.style.setProperty('max-width', '260px');
-  tdAgent.style.setProperty('overflow', 'hidden');
-  tdAgent.style.setProperty('text-overflow', 'ellipsis');
-  tdAgent.style.setProperty('white-space', 'nowrap');
-  if AStatus = 'pending' then
-    tdAgent.innerHTML := '<em class="text-muted">Not yet registered</em>'
-  else
+  if not isPending then
+  begin
+    tdAgent.setAttribute('title', AUserAgent);
+    tdAgent.style.setProperty('max-width', '220px');
+    tdAgent.style.setProperty('overflow', 'hidden');
+    tdAgent.style.setProperty('text-overflow', 'ellipsis');
+    tdAgent.style.setProperty('white-space', 'nowrap');
     tdAgent.innerText := AUserAgent;
+  end
+  else
+    tdAgent.innerHTML := '<em class="text-muted small">awaiting registration</em>';
   tr.appendChild(tdAgent);
 
-  // Registered at — trim to seconds, replace T with space
+  // Registered at
   displayDate := ARegisteredAt;
   if Length(displayDate) >= 19 then
     displayDate := Copy(displayDate, 1, 19).Replace('T', ' ');
   tdReg := TJSHTMLElement(document.createElement('td'));
-  if AStatus = 'pending' then
-    tdReg.innerHTML := '<em class="text-muted">—</em>'
+  if not isPending then
+    tdReg.innerText := displayDate
   else
-    tdReg.innerText := displayDate;
+    tdReg.innerHTML := '<em class="text-muted small">—</em>';
   tr.appendChild(tdReg);
 
   // Status badge
   tdStatus := TJSHTMLElement(document.createElement('td'));
-  if AStatus = 'pending' then
+  if isPending then
     tdStatus.innerHTML := '<span class="badge bg-warning text-dark">Pending</span>'
-  else if AStatus = 'revoked' then
+  else if isRevoked then
     tdStatus.innerHTML := '<span class="badge bg-secondary">Revoked</span>'
   else
     tdStatus.innerHTML := '<span class="badge bg-success">Active</span>';
   tr.appendChild(tdStatus);
 
-  // Action button
+  // Actions
   tdAction := TJSHTMLElement(document.createElement('td'));
-  if AStatus = 'pending' then
+  tdAction.className := 'd-flex gap-1 flex-wrap';
+
+  if isPending then
   begin
     btn := TJSHTMLElement(document.createElement('button'));
     btn.className := 'btn btn-outline-danger btn-sm';
     btn.innerText := 'Cancel';
     btn.addEventListener('click', procedure(Event: TJSMouseEvent)
     begin
-      DeletePendingDevice(AName);
+      DeletePendingDevice(APhoneNumber, AName);
     end);
     tdAction.appendChild(btn);
   end
-  else if AStatus = 'active' then
+  else if not isRevoked then
   begin
     btn := TJSHTMLElement(document.createElement('button'));
     btn.className := 'btn btn-danger btn-sm';
@@ -175,11 +208,25 @@ begin
       RevokeDevice(ACredentialId, AName);
     end);
     tdAction.appendChild(btn);
-  end
-  else
+  end;
+
+  // Send App Link for pending and active rows with a phone number
+  if (not isRevoked) and (APhoneNumber <> '') then
+  begin
+    btnSend := TJSHTMLElement(document.createElement('button'));
+    btnSend.className := 'btn btn-outline-primary btn-sm';
+    btnSend.innerText := 'Send Link';
+    btnSend.addEventListener('click', procedure(Event: TJSMouseEvent)
+    begin
+      SendAppLink(APhoneNumber, AName);
+    end);
+    tdAction.appendChild(btnSend);
+  end;
+
+  if tdAction.children.length = 0 then
     tdAction.innerText := '—';
-  tr.appendChild(tdAction);
 
+  tr.appendChild(tdAction);
   tbody.appendChild(tr);
 end;
 
@@ -215,6 +262,7 @@ begin
       AddDeviceRow(
         string(item['credential_id']),
         string(item['device_name']),
+        string(item['phone_number']),
         string(item['user_agent']),
         string(item['registered_at']),
         string(item['status'])
@@ -240,7 +288,7 @@ begin
 
     if status = 'ok' then
     begin
-      ShowNotification('Device "' + AName + '" access has been revoked.', False);
+      ShowNotification('Device "' + AName + '" has been revoked.', False);
       LoadDevices;
     end
     else
@@ -251,52 +299,94 @@ begin
   end;
 end;
 
-procedure TFViewDeviceManager.AddPendingDevice(const AName: string);
+procedure TFViewDeviceManager.DeletePendingDevice(const APhoneNumber, AName: string);
 var
   resp: TXDataClientResponse;
   res: TJSObject;
   status: string;
 begin
   try
-    resp   := await(XDataWebClient.RawInvokeAsync('IApiService.AddPendingDevice', [AName]));
+    resp   := await(XDataWebClient.RawInvokeAsync('IApiService.DeletePendingDevice', [APhoneNumber]));
     res    := TJSObject(resp.Result);
     status := string(res['status']);
 
     if status = 'ok' then
     begin
-      edtNewDeviceName.Text := '';
-      ShowNotification('Device "' + AName + '" added — waiting for user to register.', False);
+      ShowNotification('Pending device "' + AName + '" removed.', False);
       LoadDevices;
     end
     else
       ShowNotification(string(res['message']));
   except
     on E: Exception do
-      ShowNotification('Add failed: ' + E.Message);
+      ShowNotification('Delete failed: ' + E.Message);
   end;
 end;
 
-procedure TFViewDeviceManager.DeletePendingDevice(const AName: string);
+procedure TFViewDeviceManager.SendAppLink(const APhoneNumber, AName: string);
 var
   resp: TXDataClientResponse;
   res: TJSObject;
   status: string;
 begin
   try
-    resp   := await(XDataWebClient.RawInvokeAsync('IApiService.DeletePendingDevice', [AName]));
+    resp   := await(XDataWebClient.RawInvokeAsync('IApiService.SendAppLink', [APhoneNumber]));
+    res    := TJSObject(resp.Result);
+    status := string(res['status']);
+
+    if status = 'ok' then
+      ShowNotification('App link sent to "' + AName + '" via SMS.', False)
+    else
+      ShowNotification(string(res['message']));
+  except
+    on E: Exception do
+      ShowNotification('Send failed: ' + E.Message);
+  end;
+end;
+
+procedure TFViewDeviceManager.btnAddDeviceClick(Sender: TObject);
+begin
+  AddPendingDevice;
+end;
+
+procedure TFViewDeviceManager.AddPendingDevice;
+var
+  deviceName, phoneNumber: string;
+  resp: TXDataClientResponse;
+  res: TJSObject;
+  status: string;
+begin
+  deviceName  := Trim(edtNewDeviceName.Text);
+  phoneNumber := Trim(edtNewPhoneNumber.Text);
+
+  if deviceName = '' then
+  begin
+    ShowNotification('Please enter a device name.');
+    Exit;
+  end;
+  if phoneNumber = '' then
+  begin
+    ShowNotification('Please enter a phone number.');
+    Exit;
+  end;
+
+  try
+    resp   := await(XDataWebClient.RawInvokeAsync('IApiService.AddPendingDevice', [deviceName, phoneNumber]));
     res    := TJSObject(resp.Result);
     status := string(res['status']);
 
     if status = 'ok' then
     begin
-      ShowNotification('Pending device "' + AName + '" has been cancelled.', False);
+      edtNewDeviceName.Text  := '';
+      edtNewPhoneNumber.Text := '';
+      ShowNotification('Device "' + deviceName + '" added — waiting for user to register.', False);
       LoadDevices;
     end
     else
       ShowNotification(string(res['message']));
   except
     on E: Exception do
-      ShowNotification('Cancel failed: ' + E.Message);
+      ShowNotification('Add failed: ' + E.Message);
   end;
 end;
 

webEMIMobile/View.DeviceRegistration.dfm

@@ -8,14 +8,14 @@ object FViewDeviceRegistration: TFViewDeviceRegistration
   Font.Style = []
   ParentFont = False
   OnCreate = WebFormCreate
-  object edtDeviceName: TWebEdit
+  object edtPhoneNumber: TWebEdit
     Left = 240
     Top = 136
     Width = 121
     Height = 21
-    ElementID = 'view.devicereg.edtdevicename'
+    ElementID = 'view.devicereg.edtphonenumber'
     HeightPercent = 100.000000000000000000
-    TextHint = 'Device name (optional)'
+    TextHint = '(303) 555-1234'
     WidthPercent = 100.000000000000000000
   end
   object btnRegister: TWebButton

webEMIMobile/View.DeviceRegistration.html

@@ -33,17 +33,17 @@
 
           <p class="text-muted small mb-3">
             This browser has not been registered for emiMobile access.
-            Give the device a recognisable name, then click <strong>Register</strong>.
+            Enter the phone number your administrator registered for this device,
+            then click <strong>Register</strong>.
             Your browser will prompt you to verify with a PIN, fingerprint, or security key.
-            An administrator can revoke access for any registered device at any time.
           </p>
 
           <div class="mb-3">
-            <label class="form-label small text-muted">Device name</label>
-            <input id="view.devicereg.edtdevicename"
+            <label class="form-label small text-muted">Phone number</label>
+            <input id="view.devicereg.edtphonenumber"
                    class="form-control"
-                   type="text"
-                   placeholder="e.g. Dispatch Console, Patrol Laptop"
+                   type="tel"
+                   placeholder="(303) 555-1234"
                    autofocus>
           </div>
 

webEMIMobile/View.DeviceRegistration.pas

@@ -10,7 +10,7 @@ uses
 
 type
   TFViewDeviceRegistration = class(TWebForm)
-    edtDeviceName: TWebEdit;
+    edtPhoneNumber: TWebEdit;
     btnRegister: TWebButton;
     pnlMessage: TWebPanel;
     lblMessage: TWebLabel;
@@ -24,7 +24,7 @@ type
     procedure ShowNotification(const AMsg: string; AIsError: Boolean = True);
     procedure HideNotification;
     procedure SetBusy(ABusy: Boolean);
-    procedure DoWebAuthnCreate(ADeviceName, AChallenge, AChallengeToken: string);
+    procedure DoWebAuthnCreate(APhoneNumber, AChallenge, AChallengeToken: string);
   public
     class procedure Display(ARegistrationProc: TSuccessProc);
   end;
@@ -60,6 +60,23 @@ begin
   asm
     var el = document.getElementById('view.devicereg.useragent');
     if (el) el.textContent = userAgent;
+
+    // Format phone number on-the-fly as the user types
+    var inp = document.getElementById('view.devicereg.edtphonenumber');
+    if (inp) {
+      inp.addEventListener('input', function() {
+        var digits = inp.value.replace(/\D/g, '');
+        if (digits.length > 10) digits = digits.slice(0, 10);
+        var formatted = '';
+        if (digits.length > 6)
+          formatted = '(' + digits.slice(0,3) + ') ' + digits.slice(3,6) + '-' + digits.slice(6);
+        else if (digits.length > 3)
+          formatted = '(' + digits.slice(0,3) + ') ' + digits.slice(3);
+        else if (digits.length > 0)
+          formatted = '(' + digits;
+        inp.value = formatted;
+      });
+    }
   end;
 end;
 
@@ -76,11 +93,11 @@ end;
 
 procedure TFViewDeviceRegistration.btnRegisterClick(Sender: TObject);
 var
-  deviceName: string;
+  phoneNumber: string;
 
   procedure OnBeginOK(AChallenge, AChallengeToken: string);
   begin
-    DoWebAuthnCreate(deviceName, AChallenge, AChallengeToken);
+    DoWebAuthnCreate(phoneNumber, AChallenge, AChallengeToken);
   end;
 
   procedure OnBeginError(AMsg: string);
@@ -90,24 +107,26 @@ var
   end;
 
 begin
-  deviceName := Trim(edtDeviceName.Text);
-  if deviceName = '' then
-    deviceName := 'Unnamed Device';
+  phoneNumber := Trim(edtPhoneNumber.Text);
+  if phoneNumber = '' then
+  begin
+    ShowNotification('Please enter your phone number.');
+    Exit;
+  end;
 
   SetBusy(True);
   HideNotification;
 
-  AuthService.BeginRegistration(deviceName, @OnBeginOK, @OnBeginError);
+  AuthService.BeginRegistration(phoneNumber, @OnBeginOK, @OnBeginError);
 end;
 
 procedure TFViewDeviceRegistration.DoWebAuthnCreate(
-  ADeviceName, AChallenge, AChallengeToken: string);
+  APhoneNumber, AChallenge, AChallengeToken: string);
 var
-  deviceName, challenge, challengeToken: string;
+  phoneNumber, challenge, challengeToken: string;
 
   procedure OnCompleteOK;
   begin
-    // Registration complete — proceed to login
     FRegistrationProc;
   end;
 
@@ -120,7 +139,7 @@ var
   procedure OnCredential(ACredentialId, AAttestationObject, AClientDataJSON: string);
   begin
     AuthService.CompleteRegistration(
-      deviceName, ACredentialId, AAttestationObject, AClientDataJSON, challengeToken,
+      phoneNumber, ACredentialId, AAttestationObject, AClientDataJSON, challengeToken,
       @OnCompleteOK, @OnCompleteError
     );
   end;
@@ -132,14 +151,12 @@ var
   end;
 
 begin
-  deviceName     := ADeviceName;
+  phoneNumber    := APhoneNumber;
   challenge      := AChallenge;
   challengeToken := AChallengeToken;
 
-  // Call navigator.credentials.create() via WebAuthn API
   asm
     (function() {
-      // Decode base64url challenge to Uint8Array
       function b64urlToArr(b64) {
         b64 = b64.replace(/-/g, '+').replace(/_/g, '/');
         while (b64.length % 4) b64 += '=';
@@ -148,13 +165,11 @@ begin
         for (var i = 0; i < bin.length; i++) arr[i] = bin.charCodeAt(i);
         return arr;
       }
-      // Encode ArrayBuffer to base64url
       function arrToB64url(buf) {
         var bin = String.fromCharCode.apply(null, new Uint8Array(buf));
         return btoa(bin).replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
       }
 
-      // Random 16-byte user handle (not linked to user identity for platform keys)
       var userId = new Uint8Array(16);
       crypto.getRandomValues(userId);