Added the informal address to the BeyondFacts Lab (#1176)

app/MindWork AI Studio/Assistants/I18N/AssistantI18N.razor.cs

@@ -40,6 +40,8 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
         Some texts are longer notes in Markdown, with headings, paragraphs, or lists. Keep their
         Markdown and their line breaks exactly as they are, and translate only the words.
 
+        {I18NAddressPrompt.Section(this.SystemPromptLanguage(), this.translatesInformalVariant, this.formalTranslationOfText)}
+
         # Target Audience
         The app is intended for everyone, not just IT specialists or scientists. When translating,
         make sure the texts are easy for everyone to understand.
@@ -124,6 +126,16 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
     private Dictionary<string, string> localizedContent = [];
     private StringBuilder finalLuaCode = new();
     private string? activeSystemPromptLanguage;
+
+    /// <summary>
+    /// Whether the text translated now is the informal variant of a text; see I18NAddressPrompt.
+    /// </summary>
+    private bool translatesInformalVariant;
+
+    /// <summary>
+    /// The formal translation of the text translated now, when it is an informal variant and has one.
+    /// </summary>
+    private string? formalTranslationOfText;
     private static readonly AssistantSessionStateKey<CommonLanguages> SELECTED_TARGET_LANGUAGE_STATE_KEY = new(nameof(selectedTargetLanguage));
     private static readonly AssistantSessionStateKey<string> CUSTOM_TARGET_LANGUAGE_STATE_KEY = new(nameof(customTargetLanguage));
     private static readonly AssistantSessionStateKey<bool> IS_LOADING_STATE_KEY = new(nameof(isLoading));
@@ -362,7 +374,8 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
             if (this.selectedTargetLanguage is not CommonLanguages.EN_US)
             {
                 // Phase 1: Translate added content
-                await this.Phase1TranslateAddedContent(addedContentSnapshot);
+                var translatedBefore = selectedLanguageContentSnapshot.ToDictionary(keyValuePair => keyValuePair.Key, keyValuePair => keyValuePair.Value, StringComparer.Ordinal);
+                await this.Phase1TranslateAddedContent(addedContentSnapshot, translatedBefore);
             }
             else
             {
@@ -407,6 +420,8 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
         finally
         {
             this.activeSystemPromptLanguage = null;
+            this.translatesInformalVariant = false;
+            this.formalTranslationOfText = null;
         }
     }
 
@@ -414,12 +429,15 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
     /// Translates the added text content from a stable snapshot.
     /// </summary>
     /// <param name="addedContentSnapshot">The added text entries captured when the job started.</param>
+    /// <param name="translatedBefore">The texts of the language plugin, whose formal translations the informal variants start from.</param>
     /// <returns>A task that completes when all added text entries were translated or cancellation was requested.</returns>
-    private async Task Phase1TranslateAddedContent(KeyValuePair<string, string>[] addedContentSnapshot)
+    private async Task Phase1TranslateAddedContent(KeyValuePair<string, string>[] addedContentSnapshot, IReadOnlyDictionary<string, string> translatedBefore)
     {
         var stopwatch = new Stopwatch();
         var minimumTime = TimeSpan.FromMilliseconds(500);
-        foreach (var keyValuePair in addedContentSnapshot)
+
+        // The informal variants start from the formal translations, so those come first:
+        foreach (var keyValuePair in I18NAddressPrompt.FormalFirst(addedContentSnapshot))
         {
             if(this.CancellationTokenSource!.IsCancellationRequested)
                 break;
@@ -433,8 +451,11 @@ public partial class AssistantI18N : AssistantBaseCore<SettingsDialogI18N>
             stopwatch.Start();
             
             //
-            // Translate one text at a time:
+            // Translate one text at a time. Its own chat thread gets the system prompt
+            // with the form of address of this text:
             //
+            this.translatesInformalVariant = I18NAddressVariant.TryGetFormalKey(keyValuePair.Key, out _);
+            this.formalTranslationOfText = this.translatesInformalVariant ? I18NAddressPrompt.FindFormalTranslation(keyValuePair.Key, this.localizedContent, translatedBefore) : null;
             this.CreateChatThread();
             var time = this.AddUserRequest(keyValuePair.Value);
             this.localizedContent.Add(keyValuePair.Key, await this.AddAIResponseAsync(time));