feat: enhance audio codec phonebook functionality and messaging integration

src/PepperDash.Essentials.Core/Devices/DeviceJsonApi.cs

@@ -280,6 +280,8 @@ public class DeviceJsonApi
     ///  at the end of the path
     /// </summary>
     public static object FindObjectOnPath(string deviceObjectPath)
+    {
+        try
         {
             var path = deviceObjectPath.Split('.');
 
@@ -360,6 +362,12 @@ public class DeviceJsonApi
             }
             return obj;
         }
+        catch (Exception e)
+        {
+            Debug.LogMessage(LogEventLevel.Error, e, "Error finding object on path {deviceObjectPath}", deviceObjectPath);
+            return null;
+        }
+    }
 
     /// <summary>
     /// Sets a property on an object.

src/PepperDash.Essentials.Devices.Common/AudioCodec/MockAC/MockAC.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
@@ -8,16 +9,35 @@ using Serilog.Events;
 
 namespace PepperDash.Essentials.Devices.Common.AudioCodec;
 
-public class MockAC : AudioCodecBase
+public class MockAC : AudioCodecBase, IAudioCodecPhonebook
 {
+    public event EventHandler<PhonebookListChangedEventArgs> ListChanged;
+
+    public List<CodecPhonebookEntry> PhonebookEntries { get; }
+
     public MockAC(string key, string name, MockAcPropertiesConfig props)
         : base(key, name)
     {
         CodecInfo = new MockAudioCodecInfo();
 
         CodecInfo.PhoneNumber = props.PhoneNumber;
+
+        PhonebookEntries = new List<CodecPhonebookEntry>
+        {
+            new() { Name = "Judge Chambers", Number = "5551001" },
+            new() { Name = "Clerk Office", Number = "5551002" },
+            new() { Name = "Court Reporter", Number = "5551003" },
+            new() { Name = "Jury Room", Number = "5551004" },
+            new() { Name = "Witness Room", Number = "5551005" },
+            new() { Name = "Prosecution", Number = "5551006" },
+            new() { Name = "Defense Counsel", Number = "5551007" },
+            new() { Name = "Bailiff Station", Number = "5551008" },
+            new() { Name = "Conference Room A", Number = "5551009" },
+            new() { Name = "Conference Room B", Number = "5551010" },
+        };
     }
 
+
     public override void Dial(string number)
     {
         if (!IsInCall)
@@ -79,6 +99,29 @@ public class MockAC : AudioCodecBase
         Debug.LogMessage(LogEventLevel.Debug, this, "BEEP BOOP SendDTMF: {0}", s);
     }
 
+    public void SetPhonebookEntry(int index, string name, string number)
+    {
+        if (index < 0 || index >= PhonebookEntries.Count)
+        {
+            Debug.LogMessage(LogEventLevel.Debug, this, "SetPhonebookEntry: index {0} out of range", index);
+            return;
+        }
+
+        PhonebookEntries[index] = new CodecPhonebookEntry { Name = name, Number = number };
+        ListChanged?.Invoke(this, new PhonebookListChangedEventArgs(PhonebookEntries));
+    }
+
+    public void DialPhonebookEntry(int index)
+    {
+        if (index < 0 || index >= PhonebookEntries.Count)
+        {
+            Debug.LogMessage(LogEventLevel.Debug, this, "DialPhonebookEntry: index {0} out of range", index);
+            return;
+        }
+
+        Dial(PhonebookEntries[index].Number);
+    }
+
     /// <summary>
     /// 
     /// </summary>

src/PepperDash.Essentials.MobileControl.Messengers/Messengers/IAudioCodecPhonebookMessenger.cs

@@ -28,6 +28,8 @@ namespace PepperDash.Essentials.AppServer.Messengers
             : base(key, messagePath, device)
         {
             _phonebook = device as IAudioCodecPhonebook ?? throw new ArgumentNullException(nameof(device));
+
+            _phonebook.ListChanged += (sender, args) => SendFullStatus();
         }
 
         /// <inheritdoc />
@@ -43,7 +45,12 @@ namespace PepperDash.Essentials.AppServer.Messengers
             {
                 var entry = content.ToObject<SetPhonebookEntryContent>();
                 _phonebook.SetPhonebookEntry(entry.Index, entry.Name, entry.Number);
-                SendFullStatus();
+            });
+
+            AddAction("/dialEntry", (id, content) =>
+            {
+                var request = content.ToObject<MobileControlSimpleContent<int>>();
+                _phonebook.DialPhonebookEntry(request.Value);
             });
         }
 

src/PepperDash.Essentials.MobileControl/MessengerFactoryRegistry.cs

@@ -251,6 +251,16 @@ namespace PepperDash.Essentials
                     (d, mp, ck) => new IDialerCallStatusMessenger(
                         $"{d.Key}-audioCodec-{ck}", (IDialerCallStatus)d, mp)
                 ),
+                new MessengerFactoryEntry(
+                    typeof(IAudioCodecInfo),
+                    (d, mp, ck) => new IAudioCodecInfoMessenger(
+                        $"{d.Key}-audioCodecInfo-{ck}", mp, d)
+                ),
+                new MessengerFactoryEntry(
+                    typeof(IAudioCodecPhonebook),
+                    (d, mp, ck) => new IAudioCodecPhonebookMessenger(
+                        $"{d.Key}-audioCodecPhonebook-{ck}", mp, d)
+                ),
 
                 // ── Set-top box controls ──────────────────────────────────────────────────
                 new MessengerFactoryEntry(