branding: replace llama logo assets with new ytLlive branded icons

- Removed llama-logo.ico, llama-logo.png, llama-logo-icon.png
- Added tyllive-icon.png (340x318, app icon for all windows + About overlay)
- Added tyllive-icon.ico (multi-size 16/32/48/256, Windows app icon)
- Updated ytLlive-logo.png to new 524x220 branded version with tagline
- Updated ytLive.csproj + all 6 XAML window references

CameraPickerDialog.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Add Webcam" Height="340" Width="460"
-        Icon="/Assets/llama-logo-icon.png"
+        Icon="/Assets/tyllive-icon.png"
         WindowStartupLocation="CenterOwner" ResizeMode="NoResize"
         ShowInTaskbar="False" Background="#1a1a2e">
 

GoLiveWindow.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Start Stream" Height="480" Width="520"
-        Icon="/Assets/llama-logo-icon.png"
+        Icon="/Assets/tyllive-icon.png"
         WindowStartupLocation="CenterOwner" ResizeMode="NoResize"
         ShowInTaskbar="False" Background="#1a1a2e">
 

MainWindow.xaml

@@ -9,7 +9,7 @@
         mc:Ignorable="d"
         Title="{Binding WindowTitle}" Height="720" Width="1280"
         MinWidth="1180" MinHeight="600"
-        Icon="/ytLive;component/Assets/llama-logo-icon.png"
+        Icon="/ytLive;component/Assets/tyllive-icon.png"
         Background="#1a1a2e"
         WindowStartupLocation="CenterScreen"
         Closing="MainWindow_Closing"
@@ -1256,7 +1256,7 @@
 
                         <!-- Hub view -->
                         <StackPanel Visibility="{Binding IsLicensesOpen, Converter={StaticResource InverseBoolToVis}}">
-                            <Image Source="/ytLive;component/Assets/llama-logo.png" Height="140" Stretch="Uniform"
+                            <Image Source="/ytLive;component/Assets/tyllive-icon.png" Height="140" Stretch="Uniform"
                                    HorizontalAlignment="Center" Margin="0,0,0,12"/>
                             <TextBlock Text="ytLlive" FontSize="22" FontWeight="Bold" Foreground="#e94560"
                                        HorizontalAlignment="Center"/>

MicPickerDialog.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Select Microphone" Height="340" Width="460"
-        Icon="/Assets/llama-logo-icon.png"
+        Icon="/Assets/tyllive-icon.png"
         WindowStartupLocation="CenterOwner" ResizeMode="NoResize"
         ShowInTaskbar="False" Background="#1a1a2e">
 

ReuseImageDialog.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Add Image" Height="380" Width="460"
-        Icon="/Assets/llama-logo-icon.png"
+        Icon="/Assets/tyllive-icon.png"
         WindowStartupLocation="CenterOwner" ResizeMode="NoResize"
         ShowInTaskbar="False" Background="#1a1a2e">
 

SocialsDialog.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Social Media Site Promotion" Height="520" Width="520"
-        Icon="/Assets/llama-logo-icon.png"
+        Icon="/Assets/tyllive-icon.png"
         WindowStartupLocation="CenterOwner" ResizeMode="NoResize"
         ShowInTaskbar="False" Background="#1a1a2e">
 

ytLive.csproj

@@ -7,7 +7,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>
     <EnableWindowsTargeting>true</EnableWindowsTargeting>
-    <ApplicationIcon>Assets\llama-logo.ico</ApplicationIcon>
+    <ApplicationIcon>Assets\tyllive-icon.ico</ApplicationIcon>
     <AssemblyName>ytLive</AssemblyName>
     <RootNamespace>ytLive</RootNamespace>
   </PropertyGroup>
@@ -20,8 +20,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Resource Include="Assets\llama-logo.png"/>
+    <Resource Include="Assets\tyllive-icon.png"/>
-    <Resource Include="Assets\llama-logo-icon.png"/>
+    <Resource Include="Assets\ytLlive-logo.png"/>
   </ItemGroup>
 
   <ItemGroup>