Add mail assistant (#84)

app/MindWork AI Studio/Assistants/Agenda/AssistantAgenda.razor.cs

@@ -303,7 +303,7 @@ public partial class AssistantAgenda : AssistantBaseCore
         if(string.IsNullOrWhiteSpace(content))
             return "Please provide some content for the agenda. What are the main points of the meeting or the seminar?";
 
-        var lines = content.Split('\n');
+        var lines = content.Split('\n', StringSplitOptions.RemoveEmptyEntries);
         foreach (var line in lines)
             if(!line.TrimStart().StartsWith('-'))
                 return "Please start each line of your content list with a dash (-) to create a bullet point list.";
@@ -363,6 +363,9 @@ public partial class AssistantAgenda : AssistantBaseCore
 
     private string PromptLanguage()
     {
+        if(this.selectedTargetLanguage is CommonLanguages.AS_IS)
+            return "Use the same language as the input.";
+        
         if(this.selectedTargetLanguage is CommonLanguages.OTHER)
             return this.customTargetLanguage;
         

app/MindWork AI Studio/Assistants/AssistantBase.razor.cs

@@ -184,6 +184,7 @@ public abstract partial class AssistantBase : ComponentBase
             SendTo.AGENDA_ASSISTANT => (Event.SEND_TO_AGENDA_ASSISTANT, Routes.ASSISTANT_AGENDA),
             SendTo.CODING_ASSISTANT => (Event.SEND_TO_CODING_ASSISTANT, Routes.ASSISTANT_CODING),
             SendTo.REWRITE_ASSISTANT => (Event.SEND_TO_REWRITE_ASSISTANT, Routes.ASSISTANT_REWRITE),
+            SendTo.EMAIL_ASSISTANT => (Event.SEND_TO_EMAIL_ASSISTANT, Routes.ASSISTANT_EMAIL),
             SendTo.TRANSLATION_ASSISTANT => (Event.SEND_TO_TRANSLATION_ASSISTANT, Routes.ASSISTANT_TRANSLATION),
             SendTo.ICON_FINDER_ASSISTANT => (Event.SEND_TO_ICON_FINDER_ASSISTANT, Routes.ASSISTANT_ICON_FINDER),
             SendTo.GRAMMAR_SPELLING_ASSISTANT => (Event.SEND_TO_GRAMMAR_SPELLING_ASSISTANT, Routes.ASSISTANT_GRAMMAR_SPELLING),

app/MindWork AI Studio/Assistants/EMail/AssistantEMail.razor

@@ -0,0 +1,27 @@
+@attribute [Route(Routes.ASSISTANT_EMAIL)]
+@inherits AssistantBaseCore
+
+<MudTextSwitch Label="Is there a history, a previous conversation?" @bind-Value="@this.provideHistory" LabelOn="Yes, I provide the previous conversation" LabelOff="No, I don't provide a previous conversation" />
+@if (this.provideHistory)
+{
+    <MudPaper Class="pa-3 mb-8 border-dashed border rounded-lg">
+        <MudTextField T="string" @bind-Text="@this.inputHistory" Validation="@this.ValidateHistory" Label="Previous conversation" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Margin="Margin.Dense" UserAttributes="@USER_INPUT_ATTRIBUTES" HelperText="Provide the previous conversation, e.g., the last e-mail, the last chat, etc." Class="mb-3" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.DocumentScanner"/>
+    </MudPaper>
+}
+
+<MudTextField T="string" @bind-Text="@this.inputGreeting" Label="(Optional) The greeting phrase to use" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.Person" Variant="Variant.Outlined" Margin="Margin.Dense" UserAttributes="@USER_INPUT_ATTRIBUTES" Placeholder="Dear Colleagues" Class="mb-3"/>
+<MudTextField T="string" @bind-Text="@this.inputBulletPoints" Validation="@this.ValidateBulletPoints" AdornmentIcon="@Icons.Material.Filled.ListAlt" Adornment="Adornment.Start" Label="Your bullet points" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Class="mb-3" UserAttributes="@USER_INPUT_ATTRIBUTES" HelperText="Bullet list the content of the e-mail roughly. Use dashes (-) to separate the items." Immediate="@false" DebounceInterval="1_000" OnDebounceIntervalElapsed="@this.OnContentChanged" Placeholder="@PLACEHOLDER_BULLET_POINTS"/>
+<MudSelect T="string" Label="(Optional) Are any of your points particularly important?" MultiSelection="@true" @bind-SelectedValues="@this.selectedFoci" Variant="Variant.Outlined" Class="mb-3" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.ListAlt">
+    @foreach (var contentLine in this.bulletPointsLines)
+    {
+        <MudSelectItem T="string" Value="@contentLine">@contentLine</MudSelectItem>
+    }
+</MudSelect>
+<MudTextField T="string" @bind-Text="@this.inputName" Label="(Optional) Your name for the closing salutation" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.Person" Variant="Variant.Outlined" Margin="Margin.Dense" UserAttributes="@USER_INPUT_ATTRIBUTES" HelperText="Your name for the closing salutation of your e-mail." Class="mb-3"/>
+<EnumSelection T="WritingStyles" NameFunc="@(style => style.Name())" @bind-Value="@this.selectedWritingStyle" Icon="@Icons.Material.Filled.Edit" Label="Select the writing style" ValidateSelection="@this.ValidateWritingStyle"/>
+<EnumSelection T="CommonLanguages" NameFunc="@(language => language.NameSelecting())" @bind-Value="@this.selectedTargetLanguage" ValidateSelection="@this.ValidateTargetLanguage" Icon="@Icons.Material.Filled.Translate" Label="Target language" AllowOther="@true" OtherValue="CommonLanguages.OTHER" @bind-OtherInput="@this.customTargetLanguage" ValidateOther="@this.ValidateCustomLanguage" LabelOther="Custom target language" />
+<ProviderSelection @bind-ProviderSettings="@this.providerSettings" ValidateProvider="@this.ValidatingProvider"/>
+
+<MudButton Variant="Variant.Filled" Class="mb-3" OnClick="() => this.CreateMail()">
+    Create e-mail
+</MudButton>

app/MindWork AI Studio/Assistants/EMail/AssistantEMail.razor.cs

@@ -0,0 +1,252 @@
+using System.Text;
+
+using AIStudio.Chat;
+using AIStudio.Tools;
+
+namespace AIStudio.Assistants.EMail;
+
+public partial class AssistantEMail : AssistantBaseCore
+{
+    protected override string Title => "E-Mail";
+    
+    protected override string Description =>
+        """
+        Provide a list of bullet points and some basic information for an e-mail. The assistant will generate an e-mail based on that input.
+        """;
+    
+    protected override string SystemPrompt => 
+        $"""
+        You are an automated system that writes emails. {this.SystemPromptHistory()} The user provides you with bullet points on what
+        he want to address in the response. Regarding the writing style of the email: {this.selectedWritingStyle.Prompt()}
+        {this.SystemPromptGreeting()} {this.SystemPromptName()} You write the email in the following language: {this.SystemPromptLanguage()}.
+        """;
+    
+    protected override IReadOnlyList<IButtonData> FooterButtons =>
+    [
+        new SendToButton
+        {
+            Self = SendTo.EMAIL_ASSISTANT,
+        },
+    ];
+    
+    protected override ChatThread ConvertToChatThread => (this.chatThread ?? new()) with
+    {
+        SystemPrompt = SystemPrompts.DEFAULT,
+    };
+    
+    protected override void ResetFrom()
+    {
+        this.inputBulletPoints = string.Empty;
+        this.bulletPointsLines.Clear();
+        this.selectedFoci = [];
+        this.provideHistory = false;
+        this.inputHistory = string.Empty;
+        if (!this.MightPreselectValues())
+        {
+            this.inputName = string.Empty;
+            this.selectedTargetLanguage = CommonLanguages.AS_IS;
+            this.customTargetLanguage = string.Empty;
+            this.selectedWritingStyle = WritingStyles.NONE;
+            this.inputGreeting = string.Empty;
+        }
+    }
+    
+    protected override bool MightPreselectValues()
+    {
+        if (this.SettingsManager.ConfigurationData.EMail.PreselectOptions)
+        {
+            this.inputName = this.SettingsManager.ConfigurationData.EMail.SenderName;
+            this.inputGreeting = this.SettingsManager.ConfigurationData.EMail.Greeting;
+            this.selectedWritingStyle = this.SettingsManager.ConfigurationData.EMail.PreselectedWritingStyle;
+            this.selectedTargetLanguage = this.SettingsManager.ConfigurationData.EMail.PreselectedTargetLanguage;
+            this.customTargetLanguage = this.SettingsManager.ConfigurationData.EMail.PreselectOtherLanguage;
+            this.providerSettings = this.SettingsManager.ConfigurationData.Providers.FirstOrDefault(x => x.Id == this.SettingsManager.ConfigurationData.EMail.PreselectedProvider);
+            return true;
+        }
+        
+        return false;
+    }
+    
+    private const string PLACEHOLDER_BULLET_POINTS = """
+                                               - The last meeting was good
+                                               - Thank you for feedback
+                                               - Next is milestone 3
+                                               - I need your input by next Wednesday
+                                               """;
+    
+    private WritingStyles selectedWritingStyle = WritingStyles.NONE;
+    private string inputGreeting = string.Empty;
+    private string inputBulletPoints = string.Empty;
+    private readonly List<string> bulletPointsLines = [];
+    private IEnumerable<string> selectedFoci = new HashSet<string>();
+    private string inputName = string.Empty;
+    private CommonLanguages selectedTargetLanguage = CommonLanguages.AS_IS;
+    private string customTargetLanguage = string.Empty;
+    private bool provideHistory;
+    private string inputHistory = string.Empty;
+    
+    #region Overrides of ComponentBase
+
+    protected override async Task OnInitializedAsync()
+    {
+        this.MightPreselectValues();
+        var deferredContent = MessageBus.INSTANCE.CheckDeferredMessages<string>(Event.SEND_TO_EMAIL_ASSISTANT).FirstOrDefault();
+        if (deferredContent is not null)
+            this.inputBulletPoints = deferredContent;
+        
+        await base.OnInitializedAsync();
+    }
+
+    #endregion
+    
+    private string? ValidateBulletPoints(string content)
+    {
+        if(string.IsNullOrWhiteSpace(content))
+            return "Please provide some content for the e-mail.";
+
+        var lines = content.Split('\n', StringSplitOptions.RemoveEmptyEntries);
+        foreach (var line in lines)
+            if(!line.TrimStart().StartsWith('-'))
+                return "Please start each line of your content list with a dash (-) to create a bullet point list.";
+        
+        return null;
+    }
+    
+    private string? ValidateTargetLanguage(CommonLanguages language)
+    {
+        if(language is CommonLanguages.AS_IS)
+            return "Please select a target language for the e-mail.";
+        
+        return null;
+    }
+    
+    private string? ValidateCustomLanguage(string language)
+    {
+        if(this.selectedTargetLanguage == CommonLanguages.OTHER && string.IsNullOrWhiteSpace(language))
+            return "Please provide a custom language.";
+        
+        return null;
+    }
+    
+    private string? ValidateWritingStyle(WritingStyles style)
+    {
+        if(style == WritingStyles.NONE)
+            return "Please select a writing style for the e-mail.";
+        
+        return null;
+    }
+    
+    private string? ValidateHistory(string history)
+    {
+        if(this.provideHistory && string.IsNullOrWhiteSpace(history))
+            return "Please provide some history for the e-mail.";
+        
+        return null;
+    }
+    
+    private void OnContentChanged(string content)
+    {
+        this.bulletPointsLines.Clear();
+        var previousSelectedFoci = new HashSet<string>();
+        foreach (var line in content.AsSpan().EnumerateLines())
+        {
+            var trimmedLine = line.Trim();
+            if (trimmedLine.StartsWith("-"))
+                trimmedLine = trimmedLine[1..].Trim();
+            
+            if (trimmedLine.Length == 0)
+                continue;
+            
+            var finalLine = trimmedLine.ToString();
+            if(this.selectedFoci.Any(x => x.StartsWith(finalLine, StringComparison.InvariantCultureIgnoreCase)))
+                previousSelectedFoci.Add(finalLine);
+            
+            this.bulletPointsLines.Add(finalLine);
+        }
+
+        this.selectedFoci = previousSelectedFoci;
+    }
+
+    private string SystemPromptHistory()
+    {
+        if (this.provideHistory)
+            return "You receive the previous conversation as context.";
+        
+        return string.Empty;
+    }
+
+    private string SystemPromptGreeting()
+    {
+        if(!string.IsNullOrWhiteSpace(this.inputGreeting))
+            return $"Your greeting should consider the following formulation: {this.inputGreeting}.";
+        
+        return string.Empty;
+    }
+
+    private string SystemPromptName()
+    {
+        if(!string.IsNullOrWhiteSpace(this.inputName))
+            return $"For the closing phrase of the email, please use the following name: {this.inputName}.";
+        
+        return string.Empty;
+    }
+
+    private string SystemPromptLanguage()
+    {
+        if(this.selectedTargetLanguage is CommonLanguages.AS_IS)
+            return "Use the same language as the input";
+        
+        if(this.selectedTargetLanguage is CommonLanguages.OTHER)
+            return this.customTargetLanguage;
+        
+        return this.selectedTargetLanguage.Name();
+    }
+    
+    private string PromptFoci()
+    {
+        if(!this.selectedFoci.Any())
+            return string.Empty;
+        
+        var sb = new StringBuilder();
+        sb.AppendLine("I want to amplify the following points:");
+        foreach (var focus in this.selectedFoci)
+            sb.AppendLine($"- {focus}");
+        
+        return sb.ToString();
+    }
+    
+    private string PromptHistory()
+    {
+        if(!this.provideHistory)
+            return string.Empty;
+        
+        return $"""
+               The previous conversation was:
+               
+               ```
+               {this.inputHistory}
+               ```
+               """;
+    }
+
+    private async Task CreateMail()
+    {
+        await this.form!.Validate();
+        if (!this.inputIsValid)
+            return;
+
+        this.CreateChatThread();
+        var time = this.AddUserRequest(
+            $"""
+            {this.PromptHistory()}
+            
+            My bullet points for the e-mail are:
+            
+            {this.inputBulletPoints}
+            
+            {this.PromptFoci()}
+            """);
+
+        await this.AddAIResponseAsync(time);
+    }
+}

app/MindWork AI Studio/Assistants/EMail/WritingStyles.cs

@@ -0,0 +1,11 @@
+namespace AIStudio.Assistants.EMail;
+
+public enum WritingStyles
+{
+    NONE = 0,
+    
+    BUSINESS_FORMAL,
+    BUSINESS_INFORMAL,
+    ACADEMIC,
+    PERSONAL,
+}

app/MindWork AI Studio/Assistants/EMail/WritingStylesExtensions.cs

@@ -0,0 +1,24 @@
+namespace AIStudio.Assistants.EMail;
+
+public static class WritingStylesExtensions
+{
+    public static string Name(this WritingStyles style) => style switch
+    {
+        WritingStyles.ACADEMIC => "Academic",
+        WritingStyles.PERSONAL => "Personal",
+        WritingStyles.BUSINESS_FORMAL => "Business formal",
+        WritingStyles.BUSINESS_INFORMAL => "Business informal",
+        
+        _ => "Not specified",
+    };
+    
+    public static string Prompt(this WritingStyles style) => style switch
+    {
+        WritingStyles.ACADEMIC => "Use an academic style for communication in an academic context like between students and professors.",
+        WritingStyles.PERSONAL => "Use a personal style for communication between friends and family.",
+        WritingStyles.BUSINESS_FORMAL => "Use a formal business style for this e-mail.",
+        WritingStyles.BUSINESS_INFORMAL => "Use an informal business style for this e-mail.",
+        
+        _ => "Use a formal business style for this e-mail.",
+    };
+}

app/MindWork AI Studio/Assistants/RewriteImprove/WritingStylesExtensions.cs

@@ -2,39 +2,33 @@ namespace AIStudio.Assistants.RewriteImprove;
 
 public static class WritingStylesExtensions
 {
-    public static string Name(this WritingStyles style)
+    public static string Name(this WritingStyles style) => style switch
     {
-        return style switch
+        WritingStyles.EVERYDAY => "Everyday (personal texts, social media)",
-        {
+        WritingStyles.BUSINESS => "Business (business emails, reports, presentations)",
-            WritingStyles.EVERYDAY => "Everyday (personal texts, social media)",
+        WritingStyles.SCIENTIFIC => "Scientific (scientific papers, research reports)",
-            WritingStyles.BUSINESS => "Business (business emails, reports, presentations)",
+        WritingStyles.JOURNALISTIC => "Journalistic (magazines, newspapers, news)",
-            WritingStyles.SCIENTIFIC => "Scientific (scientific papers, research reports)",
+        WritingStyles.LITERARY => "Literary (fiction, poetry)",
-            WritingStyles.JOURNALISTIC => "Journalistic (magazines, newspapers, news)",
+        WritingStyles.TECHNICAL => "Technical (manuals, documentation)",
-            WritingStyles.LITERARY => "Literary (fiction, poetry)",
+        WritingStyles.MARKETING => "Marketing (advertisements, sales texts)",
-            WritingStyles.TECHNICAL => "Technical (manuals, documentation)",
+        WritingStyles.ACADEMIC => "Academic (essays, seminar papers)",
-            WritingStyles.MARKETING => "Marketing (advertisements, sales texts)",
+        WritingStyles.LEGAL => "Legal (legal texts, contracts)",
-            WritingStyles.ACADEMIC => "Academic (essays, seminar papers)",
-            WritingStyles.LEGAL => "Legal (legal texts, contracts)",
         
-            _ => "Not specified",
+        _ => "Not specified",
-        };
+    };
-    }
 
-    public static string Prompt(this WritingStyles style)
+    public static string Prompt(this WritingStyles style) => style switch
     {
-        return style switch
+        WritingStyles.EVERYDAY => "Use a everyday style like for personal texts, social media, and informal communication.",
-        {
+        WritingStyles.BUSINESS => "Use a business style like for business emails, reports, and presentations. Most important is clarity and professionalism.",
-            WritingStyles.EVERYDAY => "Use a everyday style like for personal texts, social media, and informal communication.",
+        WritingStyles.SCIENTIFIC => "Use a scientific style like for scientific papers, research reports, and academic writing. Most important is precision and objectivity.",
-            WritingStyles.BUSINESS => "Use a business style like for business emails, reports, and presentations. Most important is clarity and professionalism.",
+        WritingStyles.JOURNALISTIC => "Use a journalistic style like for magazines, newspapers, and news. Most important is readability and engaging content.",
-            WritingStyles.SCIENTIFIC => "Use a scientific style like for scientific papers, research reports, and academic writing. Most important is precision and objectivity.",
+        WritingStyles.LITERARY => "Use a literary style like for fiction, poetry, and creative writing. Most important is creativity and emotional impact.",
-            WritingStyles.JOURNALISTIC => "Use a journalistic style like for magazines, newspapers, and news. Most important is readability and engaging content.",
+        WritingStyles.TECHNICAL => "Use a technical style like for manuals, documentation, and technical writing. Most important is clarity and precision.",
-            WritingStyles.LITERARY => "Use a literary style like for fiction, poetry, and creative writing. Most important is creativity and emotional impact.",
+        WritingStyles.MARKETING => "Use a marketing style like for advertisements, sales texts, and promotional content. Most important is persuasiveness and engagement.",
-            WritingStyles.TECHNICAL => "Use a technical style like for manuals, documentation, and technical writing. Most important is clarity and precision.",
+        WritingStyles.ACADEMIC => "Use a academic style like for essays, seminar papers, and academic writing. Most important is clarity and objectivity.",
-            WritingStyles.MARKETING => "Use a marketing style like for advertisements, sales texts, and promotional content. Most important is persuasiveness and engagement.",
+        WritingStyles.LEGAL => "Use a legal style like for legal texts, contracts, and official documents. Most important is precision and legal correctness. Use formal legal language.",
-            WritingStyles.ACADEMIC => "Use a academic style like for essays, seminar papers, and academic writing. Most important is clarity and objectivity.",
-            WritingStyles.LEGAL => "Use a legal style like for legal texts, contracts, and official documents. Most important is precision and legal correctness. Use formal legal language.",
         
-            _ => "Keep the style of the text as it is.",
+        _ => "Keep the style of the text as it is.",
-        };
+    };
-    }
 }

app/MindWork AI Studio/Pages/Assistants.razor

@@ -20,6 +20,7 @@
         Business
     </MudText>
     <MudStack Row="@true" Wrap="@Wrap.Wrap" Class="mb-3">
+        <AssistantBlock Name="E-Mail" Description="Generate an e-mail for a given context." Icon="@Icons.Material.Filled.Email" Link="@Routes.ASSISTANT_EMAIL"/>
         <AssistantBlock Name="Agenda Planner" Description="Generate an agenda for a given meeting, seminar, etc." Icon="@Icons.Material.Filled.CalendarToday" Link="@Routes.ASSISTANT_AGENDA"/>
         <AssistantBlock Name="Icon Finder" Description="Using a LLM to find an icon for a given context." Icon="@Icons.Material.Filled.FindInPage" Link="@Routes.ASSISTANT_ICON_FINDER"/>
     </MudStack>

app/MindWork AI Studio/Pages/Settings.razor

@@ -193,11 +193,26 @@
                 {
                     <ConfigurationText OptionDescription="Preselect another target language" Disabled="@(() => !this.SettingsManager.ConfigurationData.RewriteImprove.PreselectOptions)" Icon="@Icons.Material.Filled.Translate" Text="@(() => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedOtherLanguage)" TextUpdate="@(updatedText => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedOtherLanguage = updatedText)"/>
                 }
-                <ConfigurationSelect OptionDescription="Preselect a writing style" Disabled="@(() => !this.SettingsManager.ConfigurationData.RewriteImprove.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedWritingStyle)" Data="@ConfigurationSelectDataFactory.GetWritingStylesData()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedWritingStyle = selectedValue)" OptionHelp="Which writing style should be preselected?"/>
+                <ConfigurationSelect OptionDescription="Preselect a writing style" Disabled="@(() => !this.SettingsManager.ConfigurationData.RewriteImprove.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedWritingStyle)" Data="@ConfigurationSelectDataFactory.GetWritingStyles4RewriteData()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedWritingStyle = selectedValue)" OptionHelp="Which writing style should be preselected?"/>
                 <ConfigurationProviderSelection Data="@this.availableProviders" Disabled="@(() => !this.SettingsManager.ConfigurationData.RewriteImprove.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedProvider)" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.RewriteImprove.PreselectedProvider = selectedValue)"/>
             </MudPaper>
         </ExpansionPanel>
 
+        <ExpansionPanel HeaderIcon="@Icons.Material.Filled.Email" HeaderText="Assistant: Writing E-Mails">
+            <MudPaper Class="pa-3 mb-8 border-dashed border rounded-lg">
+                <ConfigurationOption OptionDescription="Preselect e-mail options?" LabelOn="E-Mail options are preselected" LabelOff="No e-mail options are preselected" State="@(() => this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" StateUpdate="@(updatedState => this.SettingsManager.ConfigurationData.EMail.PreselectOptions = updatedState)" OptionHelp="When enabled, you can preselect the e-mail options. This is might be useful when you prefer a specific language or LLM model."/>
+                <ConfigurationText OptionDescription="Preselect a greeting?" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" Icon="@Icons.Material.Filled.Person" Text="@(() => this.SettingsManager.ConfigurationData.EMail.Greeting)" TextUpdate="@(updatedText => this.SettingsManager.ConfigurationData.EMail.Greeting = updatedText)" />
+                <ConfigurationText OptionDescription="Preselect your name for the closing salutation?" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" Icon="@Icons.Material.Filled.Person" Text="@(() => this.SettingsManager.ConfigurationData.EMail.SenderName)" TextUpdate="@(updatedText => this.SettingsManager.ConfigurationData.EMail.SenderName = updatedText)" />
+                <ConfigurationSelect OptionDescription="Preselect the target language" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.EMail.PreselectedTargetLanguage)" Data="@ConfigurationSelectDataFactory.GetCommonLanguagesTranslationData()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.EMail.PreselectedTargetLanguage = selectedValue)" OptionHelp="Which target language should be preselected?"/>
+                @if (this.SettingsManager.ConfigurationData.EMail.PreselectedTargetLanguage is CommonLanguages.OTHER)
+                {
+                    <ConfigurationText OptionDescription="Preselect another target language" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" Icon="@Icons.Material.Filled.Translate" Text="@(() => this.SettingsManager.ConfigurationData.EMail.PreselectOtherLanguage)" TextUpdate="@(updatedText => this.SettingsManager.ConfigurationData.EMail.PreselectOtherLanguage = updatedText)"/>
+                }
+                <ConfigurationSelect OptionDescription="Preselect a writing style" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.EMail.PreselectedWritingStyle)" Data="@ConfigurationSelectDataFactory.GetWritingStyles4EMailData()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.EMail.PreselectedWritingStyle = selectedValue)" OptionHelp="Which writing style should be preselected?"/>
+                <ConfigurationProviderSelection Data="@this.availableProviders" Disabled="@(() => !this.SettingsManager.ConfigurationData.EMail.PreselectOptions)" SelectedValue="@(() => this.SettingsManager.ConfigurationData.EMail.PreselectedProvider)" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.EMail.PreselectedProvider = selectedValue)"/>
+            </MudPaper>
+        </ExpansionPanel>
+        
         <ExpansionPanel HeaderIcon="@Icons.Material.Filled.TextFields" HeaderText="Agent: Text Content Cleaner Options">
             <MudPaper Class="pa-3 mb-8 border-dashed border rounded-lg">
                 <MudText Typo="Typo.body1" Class="mb-3">

app/MindWork AI Studio/Routes.razor.cs

@@ -17,5 +17,6 @@ public sealed partial class Routes
     public const string ASSISTANT_SUMMARIZER = "/assistant/summarizer";
     public const string ASSISTANT_CODING = "/assistant/coding";
     public const string ASSISTANT_AGENDA = "/assistant/agenda";
+    public const string ASSISTANT_EMAIL = "/assistant/email";
     // ReSharper restore InconsistentNaming
 }

app/MindWork AI Studio/Settings/ConfigurationSelectData.cs

@@ -3,9 +3,13 @@ using AIStudio.Assistants.Coding;
 using AIStudio.Assistants.IconFinder;
 using AIStudio.Assistants.RewriteImprove;
 using AIStudio.Assistants.TextSummarizer;
+using AIStudio.Assistants.EMail;
 using AIStudio.Settings.DataModel;
 using AIStudio.Tools;
 
+using WritingStylesRewrite = AIStudio.Assistants.RewriteImprove.WritingStyles;
+using WritingStylesEMail = AIStudio.Assistants.EMail.WritingStyles;
+
 namespace AIStudio.Settings;
 
 /// <summary>
@@ -101,9 +105,15 @@ public static class ConfigurationSelectDataFactory
             yield return new(number.Name(), number);
     }
     
-    public static IEnumerable<ConfigurationSelectData<WritingStyles>> GetWritingStylesData()
+    public static IEnumerable<ConfigurationSelectData<WritingStylesRewrite>> GetWritingStyles4RewriteData()
     {
-        foreach (var style in Enum.GetValues<WritingStyles>())
+        foreach (var style in Enum.GetValues<WritingStylesRewrite>())
+            yield return new(style.Name(), style);
+    }
+    
+    public static IEnumerable<ConfigurationSelectData<WritingStylesEMail>> GetWritingStyles4EMailData()
+    {
+        foreach (var style in Enum.GetValues<WritingStylesEMail>())
             yield return new(style.Name(), style);
     }
 }

app/MindWork AI Studio/Settings/DataModel/Data.cs

@@ -42,4 +42,6 @@ public sealed class Data
     public DataGrammarSpelling GrammarSpelling { get; init; } = new();
     
     public DataRewriteImprove RewriteImprove { get; init; } = new();
+
+    public DataEMail EMail { get; set; } = new();
 }

app/MindWork AI Studio/Settings/DataModel/DataEMail.cs

@@ -0,0 +1,42 @@
+using AIStudio.Assistants.EMail;
+using AIStudio.Tools;
+
+namespace AIStudio.Settings.DataModel;
+
+public sealed class DataEMail
+{
+    /// <summary>
+    /// Preselect any rewrite options?
+    /// </summary>
+    public bool PreselectOptions { get; set; }
+    
+    /// <summary>
+    /// Preselect the target language?
+    /// </summary>
+    public CommonLanguages PreselectedTargetLanguage { get; set; }
+    
+    /// <summary>
+    /// Preselect any other language?
+    /// </summary>
+    public string PreselectOtherLanguage { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Preselect any writing style?
+    /// </summary>
+    public WritingStyles PreselectedWritingStyle { get; set; }
+    
+    /// <summary>
+    /// Preselect a provider?
+    /// </summary>
+    public string PreselectedProvider { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Preselect a greeting phrase?
+    /// </summary>
+    public string Greeting { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// Preselect the sender name for the closing salutation?
+    /// </summary>
+    public string SenderName { get; set; } = string.Empty;
+}

app/MindWork AI Studio/Tools/Event.cs

@@ -25,4 +25,5 @@ public enum Event
     SEND_TO_CODING_ASSISTANT,
     SEND_TO_TEXT_SUMMARIZER_ASSISTANT,
     SEND_TO_CHAT,
+    SEND_TO_EMAIL_ASSISTANT,
 }

app/MindWork AI Studio/Tools/SendTo.cs

@@ -11,6 +11,7 @@ public enum SendTo
     AGENDA_ASSISTANT,
     CODING_ASSISTANT,
     TEXT_SUMMARIZER_ASSISTANT,
+    EMAIL_ASSISTANT,
     
     CHAT,
 }

app/MindWork AI Studio/Tools/SendToExtensions.cs

@@ -13,6 +13,7 @@ public static class SendToExtensions
             SendTo.REWRITE_ASSISTANT => "Rewrite Assistant",
             SendTo.AGENDA_ASSISTANT => "Agenda Assistant",
             SendTo.CODING_ASSISTANT => "Coding Assistant",
+            SendTo.EMAIL_ASSISTANT => "E-Mail Assistant",
             
             SendTo.CHAT => "New Chat",
             

app/MindWork AI Studio/wwwroot/changelog/v0.8.12.md

@@ -0,0 +1,5 @@
+# v0.8.12, build 174
+- Added an e-mail writing assistant.
+- Added the possibility to preselect some e-mail writing assistant options.
+- Improved the content validation for the agenda assistant.
+- Improved the language handling of the agenda assistant.