feat: add local Resemblyzer speaker recognition

MeetingAssistant/LaunchProfiles/LaunchProfileOptionsProvider.cs

@@ -1,4 +1,5 @@
 using Microsoft.Extensions.Configuration;
+using MeetingAssistant.Speakers;
 
 namespace MeetingAssistant.LaunchProfiles;
 
@@ -48,6 +49,7 @@ public sealed class ConfigurationLaunchProfileOptionsProvider : ILaunchProfileOp
         var options = BindDefaultOptions();
         if (profileName.Equals(DefaultProfileName, StringComparison.OrdinalIgnoreCase))
         {
+            ValidateSpeakerSampleDurations(options, DefaultProfileName);
             return new LaunchProfile(DefaultProfileName, options);
         }
 
@@ -59,6 +61,7 @@ public sealed class ConfigurationLaunchProfileOptionsProvider : ILaunchProfileOp
 
         profileSection.Bind(options);
         ApplyArrayOverrides(profileSection, options);
+        ValidateSpeakerSampleDurations(options, profileName);
         return new LaunchProfile(profileName, options);
     }
 
@@ -149,6 +152,18 @@ public sealed class ConfigurationLaunchProfileOptionsProvider : ILaunchProfileOp
             : name.Trim();
     }
 
+    private static void ValidateSpeakerSampleDurations(
+        MeetingAssistantOptions options,
+        string profileName)
+    {
+        SpeakerSampleDurationConfiguration.ValidateOrThrow(
+            options.SpeakerIdentification,
+            $"Launch profile '{profileName}' has invalid speaker sample durations");
+        ResemblyzerSpeakerRecognitionConfiguration.ValidateOrThrow(
+            options.SpeakerIdentification.Resemblyzer,
+            $"Launch profile '{profileName}' has invalid Resemblyzer speaker-recognition settings");
+    }
+
     private static void ApplyArrayOverrides(
         IConfigurationSection profileSection,
         MeetingAssistantOptions options)