diff --git a/.github/workflows/auto-release.yml b/.github/workflows/auto-release.yml
new file mode 100644
index 0000000..1a24ad7
--- /dev/null
+++ b/.github/workflows/auto-release.yml
@@ -0,0 +1,223 @@
+name: Auto Release from Issue
+
+# Trigger when an issue is opened or labeled with 'release'
+on:
+  issues:
+    types: [opened, labeled]
+
+permissions:
+  contents: write
+  issues: write
+
+env:
+  # Only these users can trigger releases (comma-separated GitHub usernames)
+  ALLOWED_USERS: "mateof"
+
+jobs:
+  create-release:
+    name: Create Release from Issue
+    runs-on: ubuntu-latest
+
+    # Only run if issue has 'release' label
+    if: contains(github.event.issue.labels.*.name, 'release')
+
+    steps:
+      - name: '🔐 Verify user authorization'
+        env:
+          ISSUE_AUTHOR: ${{ github.event.issue.user.login }}
+        run: |
+          echo "Issue author: $ISSUE_AUTHOR"
+          echo "Allowed users: $ALLOWED_USERS"
+
+          # Check if author is in allowed list
+          if [[ ! ",$ALLOWED_USERS," == *",$ISSUE_AUTHOR,"* ]]; then
+            echo "❌ User '$ISSUE_AUTHOR' is not authorized to create releases"
+            echo "   Only these users can create releases: $ALLOWED_USERS"
+            exit 1
+          fi
+
+          echo "✅ User '$ISSUE_AUTHOR' is authorized"
+
+      - name: '📋 Extract version from issue title'
+        id: version
+        env:
+          ISSUE_TITLE: ${{ github.event.issue.title }}
+        run: |
+          echo "Issue title: $ISSUE_TITLE"
+
+          # Extract version from title (supports: v3.5.0, 3.5.0, v3.5.0.0, 3.5.0.0)
+          VERSION=$(echo "$ISSUE_TITLE" | grep -oE '[vV]?[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?' | head -1)
+
+          if [ -z "$VERSION" ]; then
+            echo "❌ No version found in issue title"
+            echo "   Title should contain a version like: v3.5.0 or 3.5.0"
+            exit 1
+          fi
+
+          # Remove 'v' prefix if present
+          VERSION=${VERSION#v}
+          VERSION=${VERSION#V}
+
+          # Ensure 4-part version for csproj (3.5.0 -> 3.5.0.0)
+          PARTS=$(echo "$VERSION" | tr '.' '\n' | wc -l)
+          if [ "$PARTS" -eq 3 ]; then
+            VERSION_CSPROJ="${VERSION}.0"
+          else
+            VERSION_CSPROJ="$VERSION"
+          fi
+
+          # Tag version (without trailing .0 if it's 0)
+          VERSION_TAG="v${VERSION}"
+
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "version_csproj=$VERSION_CSPROJ" >> $GITHUB_OUTPUT
+          echo "version_tag=$VERSION_TAG" >> $GITHUB_OUTPUT
+
+          echo "✅ Extracted versions:"
+          echo "   Version: $VERSION"
+          echo "   CSPROJ:  $VERSION_CSPROJ"
+          echo "   Tag:     $VERSION_TAG"
+
+      - name: '📄 Checkout main branch'
+        uses: actions/checkout@v4
+        with:
+          ref: main
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: '🔍 Check if tag already exists'
+        id: check_tag
+        run: |
+          TAG="${{ steps.version.outputs.version_tag }}"
+          if git rev-parse "$TAG" >/dev/null 2>&1; then
+            echo "❌ Tag '$TAG' already exists!"
+            echo "exists=true" >> $GITHUB_OUTPUT
+            exit 1
+          fi
+          echo "✅ Tag '$TAG' does not exist yet"
+          echo "exists=false" >> $GITHUB_OUTPUT
+
+      - name: '📝 Update version in TelegramDownloader.csproj'
+        run: |
+          VERSION_CSPROJ="${{ steps.version.outputs.version_csproj }}"
+          CSPROJ_FILE="TelegramDownloader/TelegramDownloader.csproj"
+
+          echo "Updating version in $CSPROJ_FILE to $VERSION_CSPROJ"
+
+          # Update <Version> tag
+          sed -i "s|<Version>[^<]*</Version>|<Version>$VERSION_CSPROJ</Version>|g" "$CSPROJ_FILE"
+
+          # Verify the change
+          echo "Updated content:"
+          grep -n "Version" "$CSPROJ_FILE" | head -5
+
+          echo "✅ Version updated to $VERSION_CSPROJ"
+
+      - name: '📝 Update version in TFMAudioApp.csproj (if exists)'
+        run: |
+          VERSION_CSPROJ="${{ steps.version.outputs.version_csproj }}"
+          CSPROJ_FILE="TFMAudioApp/TFMAudioApp.csproj"
+
+          if [ -f "$CSPROJ_FILE" ]; then
+            echo "Updating version in $CSPROJ_FILE to $VERSION_CSPROJ"
+
+            # Update <ApplicationDisplayVersion> if exists
+            if grep -q "ApplicationDisplayVersion" "$CSPROJ_FILE"; then
+              sed -i "s|<ApplicationDisplayVersion>[^<]*</ApplicationDisplayVersion>|<ApplicationDisplayVersion>${{ steps.version.outputs.version }}</ApplicationDisplayVersion>|g" "$CSPROJ_FILE"
+            fi
+
+            # Update <Version> if exists
+            if grep -q "<Version>" "$CSPROJ_FILE"; then
+              sed -i "s|<Version>[^<]*</Version>|<Version>$VERSION_CSPROJ</Version>|g" "$CSPROJ_FILE"
+            fi
+
+            echo "✅ TFMAudioApp version updated"
+          else
+            echo "ℹ️ TFMAudioApp.csproj not found, skipping"
+          fi
+
+      - name: '💾 Commit version changes'
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git add -A
+
+          # Check if there are changes to commit
+          if git diff --staged --quiet; then
+            echo "ℹ️ No version changes to commit (version may already be set)"
+          else
+            git commit -m "Bump version to $VERSION"
+            git push origin main
+            echo "✅ Version changes committed and pushed"
+          fi
+
+      - name: '🏷️ Create and push tag'
+        run: |
+          TAG="${{ steps.version.outputs.version_tag }}"
+
+          git tag -a "$TAG" -m "Release $TAG"
+          git push origin "$TAG"
+
+          echo "✅ Tag '$TAG' created and pushed"
+
+      - name: '🚀 Create GitHub Release'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          TAG="${{ steps.version.outputs.version_tag }}"
+          VERSION="${{ steps.version.outputs.version }}"
+          ISSUE_BODY="${{ github.event.issue.body }}"
+
+          # Create release with issue body as release notes
+          gh release create "$TAG" \
+            --title "Release $TAG" \
+            --notes "## What's Changed
+
+          $ISSUE_BODY
+
+          ---
+          *Release created automatically from issue #${{ github.event.issue.number }}*" \
+            --target main
+
+          echo "✅ GitHub Release created"
+
+      - name: '✅ Close issue with success comment'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          TAG="${{ steps.version.outputs.version_tag }}"
+
+          gh issue comment ${{ github.event.issue.number }} --body "## ✅ Release Created Successfully!
+
+          - **Version:** $TAG
+          - **CSPROJ Version:** ${{ steps.version.outputs.version_csproj }}
+          - **Release:** https://github.com/${{ github.repository }}/releases/tag/$TAG
+
+          The build workflow has been triggered and will upload the binaries shortly.
+
+          ---
+          *This issue was automatically processed by the release workflow.*"
+
+          gh issue close ${{ github.event.issue.number }} --reason completed
+
+          echo "✅ Issue closed"
+
+      - name: '❌ Comment on failure'
+        if: failure()
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh issue comment ${{ github.event.issue.number }} --body "## ❌ Release Failed
+
+          The release process encountered an error. Please check the [workflow logs](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) for details.
+
+          Common issues:
+          - Version format incorrect (use: v3.5.0 or 3.5.0)
+          - Tag already exists
+          - User not authorized
+
+          ---
+          *This comment was automatically generated.*"
diff --git a/.github/workflows/buildrelease.yml b/.github/workflows/buildrelease.yml
index 9f89f37..ee44526 100644
--- a/.github/workflows/buildrelease.yml
+++ b/.github/workflows/buildrelease.yml
@@ -56,6 +56,8 @@ jobs:
     steps:
       - name: '📄 Checkout'
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: '🔧 Setup .NET 10'
         uses: actions/setup-dotnet@v4
diff --git a/TelegramDownloader/Dockerfile b/TelegramDownloader/Dockerfile
index 9c7c800..6fb01b6 100644
--- a/TelegramDownloader/Dockerfile
+++ b/TelegramDownloader/Dockerfile
@@ -51,4 +51,4 @@ RUN python3 -m venv /app/venv && \
 ENV PATH="/app/venv/bin:${PATH}"
 
 COPY --from=publish /app/publish .
-ENTRYPOINT ["dotnet", "TelegramDownloader.dll"]
+ENTRYPOINT ["dotnet", "TelegramDownloader.dll"]
\ No newline at end of file
diff --git a/TelegramDownloader/Shared/Ddtree.razor b/TelegramDownloader/Shared/Ddtree.razor
index 6a69ceb..7774d7e 100644
--- a/TelegramDownloader/Shared/Ddtree.razor
+++ b/TelegramDownloader/Shared/Ddtree.razor
@@ -86,7 +86,8 @@
             }
         }
 
-        return Task.FromResult(result);
+        // Sort alphabetically ascending
+        return Task.FromResult(result.OrderBy(x => x.Name).ToList());
     }
 
     private async Task<List<TreeNodeModel>> LoadTelegramFolders(string dbName, string parentId)
@@ -115,7 +116,8 @@
                 HasChildren = f.HasChild
             });
         }
-        return result;
+        // Sort alphabetically ascending
+        return result.OrderBy(x => x.Name).ToList();
     }
 
     private async Task OnFolderSelected(string value)
diff --git a/TelegramDownloader/TelegramDownloader.csproj b/TelegramDownloader/TelegramDownloader.csproj
index bfb71a7..b5449a2 100644
--- a/TelegramDownloader/TelegramDownloader.csproj
+++ b/TelegramDownloader/TelegramDownloader.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
 	<Version>3.4.0.0</Version>
diff --git a/switch-wtelegramclient.ps1 b/switch-wtelegramclient.ps1
new file mode 100644
index 0000000..9b97cce
--- /dev/null
+++ b/switch-wtelegramclient.ps1
@@ -0,0 +1,409 @@
+<#
+.SYNOPSIS
+    Script para cambiar entre WTelegramClient oficial (NuGet) y custom (submodule)
+
+.DESCRIPTION
+    Permite alternar entre:
+    - Librería oficial de NuGet (WTelegramClient)
+    - Librería custom con optimizaciones de transferencia (submodule)
+
+    Modifica automáticamente:
+    - TelegramDownloader.csproj
+    - Dockerfile
+    - GitHub Actions workflows
+
+.EXAMPLE
+    .\switch-wtelegramclient.ps1
+#>
+
+param(
+    [Parameter(Position=0)]
+    [ValidateSet("nuget", "custom", "status")]
+    [string]$Mode
+)
+
+$ErrorActionPreference = "Stop"
+$ProjectFile = "TelegramDownloader\TelegramDownloader.csproj"
+$DockerFile = "TelegramDownloader\Dockerfile"
+$SubmodulePath = "libs\WTelegramClient"
+$NuGetVersion = "4.3.14"
+
+$WorkflowFiles = @(
+    ".github\workflows\docker-image.yml",
+    ".github\workflows\release-docker-image.yml",
+    ".github\workflows\buildrelease.yml"
+)
+
+function Get-CurrentMode {
+    $content = Get-Content $ProjectFile -Raw
+    if ($content -match '<ProjectReference Include=".*WTelegramClient') {
+        return "custom"
+    } elseif ($content -match '<PackageReference Include="WTelegramClient"') {
+        return "nuget"
+    }
+    return "unknown"
+}
+
+function Show-Status {
+    $currentMode = Get-CurrentMode
+    Write-Host ""
+    Write-Host "=== Estado actual de WTelegramClient ===" -ForegroundColor Cyan
+    Write-Host ""
+
+    if ($currentMode -eq "custom") {
+        Write-Host "  Modo: " -NoNewline
+        Write-Host "CUSTOM (submodule)" -ForegroundColor Green
+
+        if (Test-Path $SubmodulePath) {
+            Push-Location $SubmodulePath
+            $commitId = git rev-parse HEAD 2>$null
+            $commitMsg = git log -1 --pretty=format:"%s" 2>$null
+            $branch = git branch --show-current 2>$null
+            Pop-Location
+
+            Write-Host "  Ruta: $SubmodulePath"
+            Write-Host "  Rama: $branch"
+            Write-Host "  Commit: $commitId"
+            Write-Host "  Mensaje: $commitMsg"
+        }
+    } elseif ($currentMode -eq "nuget") {
+        Write-Host "  Modo: " -NoNewline
+        Write-Host "NUGET (oficial)" -ForegroundColor Yellow
+        Write-Host "  Version: $NuGetVersion"
+    } else {
+        Write-Host "  Modo: " -NoNewline
+        Write-Host "DESCONOCIDO" -ForegroundColor Red
+    }
+    Write-Host ""
+}
+
+function Update-WorkflowsForNuGet {
+    Write-Host "  Actualizando GitHub Actions workflows..." -ForegroundColor White
+
+    foreach ($workflowFile in $WorkflowFiles) {
+        if (Test-Path $workflowFile) {
+            $content = Get-Content $workflowFile -Raw
+
+            # Quitar submodules: recursive del checkout
+            $content = $content -replace '(- uses: actions/checkout@v4)\s*\n\s*with:\s*\n\s*submodules: recursive', '$1'
+
+            # Cambiar contexto de docker build de . a ./TelegramDownloader
+            $content = $content -replace 'docker build \. -f \./TelegramDownloader/Dockerfile', 'docker build ./TelegramDownloader -f ./TelegramDownloader/Dockerfile'
+
+            Set-Content $workflowFile -Value $content -NoNewline
+            Write-Host "    [OK] $workflowFile" -ForegroundColor Green
+        }
+    }
+}
+
+function Update-WorkflowsForCustom {
+    Write-Host "  Actualizando GitHub Actions workflows..." -ForegroundColor White
+
+    foreach ($workflowFile in $WorkflowFiles) {
+        if (Test-Path $workflowFile) {
+            $content = Get-Content $workflowFile -Raw
+
+            # Añadir submodules: recursive al checkout (si no existe ya)
+            if ($content -notmatch 'submodules: recursive') {
+                $content = $content -replace '(- uses: actions/checkout@v4)(\s*\n)(\s*-|\s*\n\s*-)', "`$1`n      with:`n        submodules: recursive`$2`$3"
+
+                # Patrón alternativo para buildrelease.yml que tiene nombre
+                $content = $content -replace "(- name: '📄 Checkout'\s*\n\s*uses: actions/checkout@v4)(\s*\n)(\s*-)", "`$1`n        with:`n          submodules: recursive`$2`$3"
+            }
+
+            # Cambiar contexto de docker build de ./TelegramDownloader a .
+            $content = $content -replace 'docker build \./TelegramDownloader -f \./TelegramDownloader/Dockerfile', 'docker build . -f ./TelegramDownloader/Dockerfile'
+
+            Set-Content $workflowFile -Value $content -NoNewline
+            Write-Host "    [OK] $workflowFile" -ForegroundColor Green
+        }
+    }
+}
+
+function Update-DockerfileForNuGet {
+    $dockerContent = @'
+#See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+# Alpine base image (~110MB vs ~220MB Debian)
+FROM mcr.microsoft.com/dotnet/aspnet:10.0-alpine AS base
+WORKDIR /app
+EXPOSE 80
+EXPOSE 443
+
+# Build argument to optionally include FFmpeg (default: true)
+# Set to "false" to create a lighter image without video transcoding support
+ARG INCLUDE_FFMPEG=true
+
+# Install ICU libraries for globalization support (required by BlazorBootstrap NumberInput)
+# Optionally install FFmpeg for video transcoding support (MKV, AVI, WMV, etc.)
+RUN apk add --no-cache icu-libs && \
+    if [ "$INCLUDE_FFMPEG" = "true" ]; then \
+        apk add --no-cache ffmpeg; \
+    fi
+ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false
+
+FROM mcr.microsoft.com/dotnet/sdk:10.0-alpine AS build
+ARG BUILD_CONFIGURATION=Release
+ARG VERSION=0.0.0.0
+WORKDIR /src
+COPY ["TelegramDownloader.csproj", "."]
+RUN dotnet restore "TelegramDownloader.csproj"
+COPY . .
+WORKDIR "/src/."
+RUN dotnet build "./TelegramDownloader.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+ARG VERSION=0.0.0.0
+RUN dotnet publish "./TelegramDownloader.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false,InformationalVersion=$VERSION
+
+FROM base AS final
+WORKDIR /app
+
+# Install Python (Alpine uses apk instead of apt)
+RUN apk add --no-cache python3 py3-pip && \
+    ln -sf /usr/bin/python3 /usr/bin/python
+
+COPY ./WebDav /app/WebDav
+
+# Create venv and install dependencies in single layer
+RUN python3 -m venv /app/venv && \
+    /app/venv/bin/pip install --no-cache-dir --upgrade pip && \
+    /app/venv/bin/pip install --no-cache-dir -r /app/WebDav/requirements.txt && \
+    /app/venv/bin/python -c "import uvicorn; print('uvicorn OK', uvicorn.__version__)"
+
+ENV PATH="/app/venv/bin:${PATH}"
+
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "TelegramDownloader.dll"]
+'@
+    Set-Content $DockerFile -Value $dockerContent -NoNewline
+    Write-Host "    [OK] $DockerFile" -ForegroundColor Green
+}
+
+function Update-DockerfileForCustom {
+    $dockerContent = @'
+#See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+# Alpine base image (~110MB vs ~220MB Debian)
+FROM mcr.microsoft.com/dotnet/aspnet:10.0-alpine AS base
+WORKDIR /app
+EXPOSE 80
+EXPOSE 443
+
+# Build argument to optionally include FFmpeg (default: true)
+# Set to "false" to create a lighter image without video transcoding support
+ARG INCLUDE_FFMPEG=true
+
+# Install ICU libraries for globalization support (required by BlazorBootstrap NumberInput)
+# Optionally install FFmpeg for video transcoding support (MKV, AVI, WMV, etc.)
+RUN apk add --no-cache icu-libs && \
+    if [ "$INCLUDE_FFMPEG" = "true" ]; then \
+        apk add --no-cache ffmpeg; \
+    fi
+ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false
+
+FROM mcr.microsoft.com/dotnet/sdk:10.0-alpine AS build
+ARG BUILD_CONFIGURATION=Release
+ARG VERSION=0.0.0.0
+WORKDIR /src
+
+# Copy submodule (WTelegramClient) first
+COPY ["libs/WTelegramClient/src/WTelegramClient.csproj", "libs/WTelegramClient/src/"]
+COPY ["libs/WTelegramClient/generator/MTProtoGenerator.csproj", "libs/WTelegramClient/generator/"]
+
+# Copy main project
+COPY ["TelegramDownloader/TelegramDownloader.csproj", "TelegramDownloader/"]
+
+# Restore all projects
+RUN dotnet restore "TelegramDownloader/TelegramDownloader.csproj"
+
+# Copy all source files
+COPY libs/WTelegramClient/ libs/WTelegramClient/
+COPY TelegramDownloader/ TelegramDownloader/
+
+WORKDIR "/src/TelegramDownloader"
+RUN dotnet build "./TelegramDownloader.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+ARG VERSION=0.0.0.0
+WORKDIR "/src/TelegramDownloader"
+RUN dotnet publish "./TelegramDownloader.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false,InformationalVersion=$VERSION
+
+FROM base AS final
+WORKDIR /app
+
+# Install Python (Alpine uses apk instead of apt)
+RUN apk add --no-cache python3 py3-pip && \
+    ln -sf /usr/bin/python3 /usr/bin/python
+
+COPY TelegramDownloader/WebDav /app/WebDav
+
+# Create venv and install dependencies in single layer
+RUN python3 -m venv /app/venv && \
+    /app/venv/bin/pip install --no-cache-dir --upgrade pip && \
+    /app/venv/bin/pip install --no-cache-dir -r /app/WebDav/requirements.txt && \
+    /app/venv/bin/python -c "import uvicorn; print('uvicorn OK', uvicorn.__version__)"
+
+ENV PATH="/app/venv/bin:${PATH}"
+
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "TelegramDownloader.dll"]
+'@
+    Set-Content $DockerFile -Value $dockerContent -NoNewline
+    Write-Host "    [OK] $DockerFile" -ForegroundColor Green
+}
+
+function Switch-ToNuGet {
+    Write-Host ""
+    Write-Host "=== Cambiando a WTelegramClient oficial (NuGet) ===" -ForegroundColor Yellow
+    Write-Host ""
+
+    # Modificar csproj
+    $content = Get-Content $ProjectFile -Raw
+
+    # Reemplazar ProjectReference por PackageReference
+    $pattern = '(?s)<!-- WTelegramClient personalizado.*?-->.*?<ProjectReference Include="[^"]*WTelegramClient[^"]*\.csproj"\s*/>\s*<!-- Para volver a NuGet.*?-->\s*<!-- <PackageReference Include="WTelegramClient"[^>]*/> -->'
+    $replacement = "<PackageReference Include=`"WTelegramClient`" Version=`"$NuGetVersion`" />"
+
+    if ($content -match $pattern) {
+        $content = $content -replace $pattern, $replacement
+    } else {
+        # Patrón alternativo más simple
+        $content = $content -replace '<ProjectReference Include="[^"]*WTelegramClient[^"]*\.csproj"\s*/>', $replacement
+    }
+
+    Set-Content $ProjectFile -Value $content -NoNewline
+    Write-Host "  [OK] Actualizado $ProjectFile" -ForegroundColor Green
+
+    # Modificar Dockerfile
+    Write-Host "  Actualizando Dockerfile..." -ForegroundColor White
+    Update-DockerfileForNuGet
+
+    # Modificar workflows
+    Update-WorkflowsForNuGet
+
+    Write-Host ""
+    Write-Host "  [OK] Cambiado a NuGet v$NuGetVersion" -ForegroundColor Green
+    Write-Host ""
+    Write-Host "  Archivos modificados:" -ForegroundColor Cyan
+    Write-Host "    - $ProjectFile"
+    Write-Host "    - $DockerFile"
+    foreach ($wf in $WorkflowFiles) {
+        Write-Host "    - $wf"
+    }
+    Write-Host ""
+    Write-Host "  Ejecuta 'git status' para ver los cambios" -ForegroundColor White
+    Write-Host ""
+}
+
+function Switch-ToCustom {
+    Write-Host ""
+    Write-Host "=== Cambiando a WTelegramClient custom (submodule) ===" -ForegroundColor Green
+    Write-Host ""
+
+    # Verificar si el submodule existe
+    if (-not (Test-Path $SubmodulePath)) {
+        Write-Host "  El submodule no existe. Inicializando..." -ForegroundColor Yellow
+        git submodule add https://github.com/mateof/MyCustomWTelegramClient.git $SubmodulePath
+        git submodule update --init --recursive
+    }
+
+    # Pedir commit ID
+    Write-Host ""
+    Write-Host "  Commits recientes en el submodule:" -ForegroundColor Cyan
+    Push-Location $SubmodulePath
+    git fetch origin 2>$null
+    git log origin/master --oneline -5 2>$null
+    Pop-Location
+    Write-Host ""
+
+    $commitId = Read-Host "  Introduce el Commit ID (Enter para ultimo de 'master')"
+
+    if ([string]::IsNullOrWhiteSpace($commitId)) {
+        $commitId = "origin/master"
+    }
+
+    # Actualizar submodule al commit especificado
+    Push-Location $SubmodulePath
+    git checkout $commitId 2>$null
+    $actualCommit = git rev-parse HEAD
+    $commitMsg = git log -1 --pretty=format:"%s"
+    Pop-Location
+
+    Write-Host ""
+    Write-Host "  [OK] Submodule en commit: $actualCommit" -ForegroundColor Green
+    Write-Host "       Mensaje: $commitMsg"
+
+    # Modificar csproj
+    $content = Get-Content $ProjectFile -Raw
+
+    # Reemplazar PackageReference por ProjectReference
+    $newRef = @"
+<!-- WTelegramClient personalizado con optimizaciones de transferencia (submodule) -->
+    <ProjectReference Include="..\libs\WTelegramClient\src\WTelegramClient.csproj" />
+    <!-- Para volver a NuGet oficial, ejecuta: .\switch-wtelegramclient.ps1 nuget -->
+    <!-- <PackageReference Include="WTelegramClient" Version="$NuGetVersion" /> -->
+"@
+
+    $content = $content -replace '<PackageReference Include="WTelegramClient"[^/]*/>', $newRef
+
+    Set-Content $ProjectFile -Value $content -NoNewline
+    Write-Host "  [OK] Actualizado $ProjectFile" -ForegroundColor Green
+
+    # Modificar Dockerfile
+    Write-Host "  Actualizando Dockerfile..." -ForegroundColor White
+    Update-DockerfileForCustom
+
+    # Modificar workflows
+    Update-WorkflowsForCustom
+
+    # Registrar cambio en submodule
+    git add $SubmodulePath 2>$null
+
+    Write-Host ""
+    Write-Host "  [OK] Cambiado a custom library" -ForegroundColor Green
+    Write-Host ""
+    Write-Host "  Archivos modificados:" -ForegroundColor Cyan
+    Write-Host "    - $ProjectFile"
+    Write-Host "    - $DockerFile"
+    foreach ($wf in $WorkflowFiles) {
+        Write-Host "    - $wf"
+    }
+    Write-Host "    - $SubmodulePath (submodule)"
+    Write-Host ""
+    Write-Host "  Ejecuta 'git status' para ver los cambios" -ForegroundColor White
+    Write-Host ""
+}
+
+# Main
+Write-Host ""
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "  WTelegramClient Switcher" -ForegroundColor Cyan
+Write-Host "========================================" -ForegroundColor Cyan
+
+if (-not $Mode) {
+    Show-Status
+    Write-Host "Opciones disponibles:" -ForegroundColor White
+    Write-Host "  1) Cambiar a NuGet (oficial)"
+    Write-Host "  2) Cambiar a Custom (submodule)"
+    Write-Host "  3) Ver estado actual"
+    Write-Host "  4) Salir"
+    Write-Host ""
+    $choice = Read-Host "Selecciona una opcion (1-4)"
+
+    switch ($choice) {
+        "1" { $Mode = "nuget" }
+        "2" { $Mode = "custom" }
+        "3" { $Mode = "status" }
+        "4" { exit 0 }
+        default { Write-Host "Opcion no valida" -ForegroundColor Red; exit 1 }
+    }
+}
+
+switch ($Mode) {
+    "nuget" { Switch-ToNuGet }
+    "custom" { Switch-ToCustom }
+    "status" { Show-Status }
+}