Renamed the extension classes of interfaces to drop the I prefix (#1190)

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflMaterialBudget.cs

@@ -16,7 +16,7 @@ namespace AIStudio.Assistants.BeyondFactsLab;
 /// <para>
 /// A shortened material is the beginning of the text which passed the prompt injection filter when the person added
 /// it. It does not pass the filter again: cutting off the end of a text adds nothing which the filter did not see,
-/// unlike IRetrievalContextExtensions.ShortenToFitAsync, which cuts the unfiltered text of a data source.
+/// unlike RetrievalContextExtensions.ShortenToFitAsync, which cuts the unfiltered text of a data source.
 /// </para>
 /// <para>
 /// An image takes no characters: as many images as the model takes at once go along with the first message of the

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflMaterialService.cs

@@ -313,7 +313,7 @@ public sealed class BflMaterialService(BeyondFactsLabStore store, RustService ru
     /// <returns>True when the preparation has the image now, also as a material it had already.</returns>
     private async Task<bool> AddImageAsync(Guid projectId, string path, string name, long size, string hash)
     {
-        var prepared = await rustService.PrepareImageForModelAsync(path, IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES);
+        var prepared = await rustService.PrepareImageForModelAsync(path, ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES);
         if (!prepared.IsPrepared)
         {
             logger.LogWarning("The BeyondFacts Lab could not prepare the image '{Path}': {ErrorCode}.", path, prepared.ErrorCode);

app/MindWork AI Studio/Assistants/I18N/allTexts.lua

@@ -5375,16 +5375,16 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T373499115"] = "Your data sources
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T713722424"] = "AI Studio could not store what the AI received separately from your chat. It remains in the chat itself, so you can still read it."
 
 -- The local image file does not exist. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T255679918"] = "The local image file does not exist. Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T255679918"] = "The local image file does not exist. Skipping the image."
 
 -- Failed to download the image from the URL. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T2996654916"] = "Failed to download the image from the URL. Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T2996654916"] = "Failed to download the image from the URL. Skipping the image."
 
 -- The local image file is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T3219823625"] = "The local image file is too large (>10 MB). Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T3219823625"] = "The local image file is too large (>10 MB). Skipping the image."
 
 -- The image at the URL is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T349928509"] = "The image at the URL is too large (>10 MB). Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T349928509"] = "The image at the URL is too large (>10 MB). Skipping the image."
 
 -- Export configuration
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::ADMINEXPORTBUTTON::T975426229"] = "Export configuration"

app/MindWork AI Studio/Chat/ContentExtensions.cs

@@ -1,6 +1,6 @@
 namespace AIStudio.Chat;
 
-public static class IContentExtensions
+public static class ContentExtensions
 {
     /// <param name="content">The content of a message in the chat.</param>
     extension(IContent content)

app/MindWork AI Studio/Chat/ImageSourceExtensions.cs

@@ -4,9 +4,9 @@ using AIStudio.Tools.PluginSystem;
 
 namespace AIStudio.Chat;
 
-public static class IImageSourceExtensions
+public static class ImageSourceExtensions
 {
-    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(IImageSourceExtensions).Namespace, nameof(IImageSourceExtensions));
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(ImageSourceExtensions).Namespace, nameof(ImageSourceExtensions));
 
     /// <summary>
     /// The largest image, in bytes, we send anywhere: no image prepared for a model is larger, and

app/MindWork AI Studio/Plugins/languages/de-de-43065dbc-78d0-45b7-92be-f14c2926e2dc/plugin.lua

@@ -5377,16 +5377,16 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T373499115"] = "Ihre Datenquellen
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T713722424"] = "AI Studio konnte die Inhalte, die die KI erhalten hat, nicht getrennt von Ihrem Chat speichern. Diese bleiben im Chat selbst, sodass Sie sie weiterhin lesen können."
 
 -- The local image file does not exist. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T255679918"] = "Die lokale Bilddatei existiert nicht. Das Bild wird übersprungen."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T255679918"] = "Die lokale Bilddatei existiert nicht. Das Bild wird übersprungen."
 
 -- Failed to download the image from the URL. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T2996654916"] = "Das Bild konnte nicht von der URL heruntergeladen werden. Das Bild wird übersprungen."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T2996654916"] = "Das Bild konnte nicht von der URL heruntergeladen werden. Das Bild wird übersprungen."
 
 -- The local image file is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T3219823625"] = "Die lokale Bilddatei ist zu groß (>10 MB). Das Bild wird übersprungen."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T3219823625"] = "Die lokale Bilddatei ist zu groß (>10 MB). Das Bild wird übersprungen."
 
 -- The image at the URL is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T349928509"] = "Das Bild unter der URL ist zu groß (>10 MB). Das Bild wird übersprungen."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T349928509"] = "Das Bild unter der URL ist zu groß (>10 MB). Das Bild wird übersprungen."
 
 -- Export configuration
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::ADMINEXPORTBUTTON::T975426229"] = "Konfiguration exportieren"

app/MindWork AI Studio/Plugins/languages/en-us-97dfb1ba-50c4-4440-8dfa-6575daf543c8/plugin.lua

@@ -5377,16 +5377,16 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T373499115"] = "Your data sources
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T713722424"] = "AI Studio could not store what the AI received separately from your chat. It remains in the chat itself, so you can still read it."
 
 -- The local image file does not exist. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T255679918"] = "The local image file does not exist. Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T255679918"] = "The local image file does not exist. Skipping the image."
 
 -- Failed to download the image from the URL. Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T2996654916"] = "Failed to download the image from the URL. Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T2996654916"] = "Failed to download the image from the URL. Skipping the image."
 
 -- The local image file is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T3219823625"] = "The local image file is too large (>10 MB). Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T3219823625"] = "The local image file is too large (>10 MB). Skipping the image."
 
 -- The image at the URL is too large (>10 MB). Skipping the image.
-UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T349928509"] = "The image at the URL is too large (>10 MB). Skipping the image."
+UI_TEXT_CONTENT["AISTUDIO::CHAT::IMAGESOURCEEXTENSIONS::T349928509"] = "The image at the URL is too large (>10 MB). Skipping the image."
 
 -- Export configuration
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::ADMINEXPORTBUTTON::T975426229"] = "Export configuration"

app/MindWork AI Studio/Provider/LLMProvidersExtensions.cs

@@ -292,7 +292,7 @@ public static class LLMProvidersExtensions
         /// <remarks>
         /// The limit belongs to the API of the provider, not to the model: the same model may accept
         /// larger images through another provider. What we actually send is asked through
-        /// IImageSourceExtensions.MaxImageSizeBytesFor, which also applies our own limit.
+        /// ImageSourceExtensions.MaxImageSizeBytesFor, which also applies our own limit.
         /// </remarks>
         /// <value>The size limit of one image file, or null when the provider states none we know of.</value>
         public long? MaxImageSizeBytes => provider switch

app/MindWork AI Studio/Provider/SelfHosted/HostExtensions.cs

@@ -45,7 +45,7 @@ public static class HostExtensions
         /// <remarks>
         /// Like the limit of a cloud provider, see LLMProvidersExtensions.MaxImageSizeBytes, this
         /// belongs to the API of the engine, not to the model. What we actually send is asked through
-        /// IImageSourceExtensions.MaxImageSizeBytesFor.
+        /// ImageSourceExtensions.MaxImageSizeBytesFor.
         /// </remarks>
         /// <value>The size limit of one image file, or null when the engine states none we know of.</value>
         public long? MaxImageSizeBytes => host switch

app/MindWork AI Studio/Tools/ConfidenceExtensions.cs

@@ -1,6 +1,6 @@
 namespace AIStudio.Tools;
 
-public static class IConfidenceExtensions
+public static class ConfidenceExtensions
 {
     private static readonly ILogger<IConfidence> LOGGER = Program.LOGGER_FACTORY.CreateLogger<IConfidence>();
 

app/MindWork AI Studio/Tools/PlainFileExport.cs

@@ -256,7 +256,7 @@ public static class PlainFileExport
     /// <param name="dialogTitle">The title of the save dialog.</param>
     /// <param name="file">The file, as ExtractFiles read it out of the message. Its format must be a
     /// plain text format, see FileExportFormatExtensions.IsPlainText.</param>
-    /// <param name="fileContent">The finished file, see IContentExtensions.ToExportContent.</param>
+    /// <param name="fileContent">The finished file, see ContentExtensions.ToExportContent.</param>
     /// <param name="fileName">What the file is about, used to suggest a name in the save dialog.
     /// Null falls back to a generic name.</param>
     /// <returns>True, when the file was written.</returns>

app/MindWork AI Studio/Tools/PluginSystem/LangExtensions.cs

@@ -4,7 +4,7 @@ using SharedTools;
 
 namespace AIStudio.Tools.PluginSystem;
 
-public static class ILangExtensions
+public static class LangExtensions
 {
     private static readonly ILogger<ILang> LOGGER = Program.LOGGER_FACTORY.CreateLogger<ILang>();
 

app/MindWork AI Studio/Tools/PluginSystem/LanguagePluginExtensions.cs

@@ -2,7 +2,7 @@ using SharedTools;
 
 namespace AIStudio.Tools.PluginSystem;
 
-public static class ILanguagePluginExtensions
+public static class LanguagePluginExtensions
 {
     /// <param name="plugin">The language plugin.</param>
     extension(ILanguagePlugin plugin)

app/MindWork AI Studio/Tools/RAG/PassageBudget.cs

@@ -84,7 +84,7 @@ public sealed class PassageBudget(int limit, Func<string, CancellationToken, Tas
     /// </para>
     /// <para>
     /// A passage longer than the whole budget is shortened until it fits, and filtered again, see
-    /// IRetrievalContextExtensions.ShortenToFitAsync. It then has to fit into what is left like any
+    /// RetrievalContextExtensions.ShortenToFitAsync. It then has to fit into what is left like any
     /// other passage.
     /// </para>
     /// </remarks>

app/MindWork AI Studio/Tools/RAG/PreparedRetrievalContext.cs

@@ -7,7 +7,7 @@ namespace AIStudio.Tools.RAG;
 /// ready to be numbered.
 /// </summary>
 /// <remarks>
-/// Made by IRetrievalContextExtensions.PrepareForModelAsync. Which number a context gets depends on
+/// Made by RetrievalContextExtensions.PrepareForModelAsync. Which number a context gets depends on
 /// which contexts the caller hands on in the end, so the header is written only then, see
 /// ToMarkdown. The app writes it itself, which is why it needs no filter.
 /// </remarks>

app/MindWork AI Studio/Tools/RAG/RetrievalContextExtensions.cs

@@ -4,7 +4,7 @@ using AIStudio.Tools.Security;
 
 namespace AIStudio.Tools.RAG;
 
-public static class IRetrievalContextExtensions
+public static class RetrievalContextExtensions
 {
     private static readonly ILogger<IRetrievalContext> LOGGER = Program.LOGGER_FACTORY.CreateLogger<IRetrievalContext>();
 

app/MindWork AI Studio/Tools/RAG/SourcePassage.cs

@@ -12,7 +12,7 @@ namespace AIStudio.Tools.RAG;
 /// so it is not shown as if it had.<br/><br/>
 /// A passage belongs to the source it is listed under, which is why it is only made for a context
 /// with a source, see SourceUrl. A context which names nothing to open, e.g., by a path which only
-/// its ERI server knows, gets a source named as text, see IRetrievalContextExtensions.ToSources.<br/><br/>
+/// its ERI server knows, gets a source named as text, see RetrievalContextExtensions.ToSources.<br/><br/>
 /// Plain stored values only: a computed property would be written into every chat file as well.
 /// </remarks>
 public sealed record SourcePassage

app/MindWork AI Studio/Tools/Services/ModelImageService.cs

@@ -55,7 +55,7 @@ public sealed class ModelImageService(RustService rustService, ILogger<ModelImag
             return PreparedModelImage.Failed(ModelImageErrorCode.FILE_NOT_FOUND);
         }
 
-        var maxBytes = IImageSourceExtensions.MaxImageSizeBytesFor(provider);
+        var maxBytes = ImageSourceExtensions.MaxImageSizeBytesFor(provider);
         var key = new CacheKey(file.FullName, file.LastWriteTimeUtc, file.Length, maxBytes);
         if (this.cache.TryGetValue(key, out PreparedModelImage? cached) && cached is not null)
         {

app/MindWork AI Studio/Tools/ToolCallingSystem/ToolCallingImplementations/Mailboxes/PendingMail.cs

@@ -208,7 +208,7 @@ internal sealed record PendingMail(DataSourceMailbox Mailbox, MailSummary Summar
     /// <remarks>
     /// The attachments are numbered the way the index numbers them, cf. MailSummary.AttachmentNames.
     /// Where in an attachment is worded like the location of any other passage, cf.
-    /// IRetrievalContextExtensions.DescribeLocation. A passage of the text of the mail names
+    /// RetrievalContextExtensions.DescribeLocation. A passage of the text of the mail names
     /// no attachment, and neither does one of a mail indexed before attachments were told apart.
     /// </remarks>
     /// <param name="texts">The filtered texts of the result.</param>
@@ -220,6 +220,6 @@ internal sealed record PendingMail(DataSourceMailbox Mailbox, MailSummary Summar
 
         var type = DataSourceLocalRetrievalService.GetRetrievalContentType(Path.GetExtension(this.Summary.AttachmentNames[position]));
         var located = DataSourceLocalRetrievalService.LocatePassage(location, type, chunkNumber: 1);
-        return new(texts[attachment], IRetrievalContextExtensions.DescribeLocation(located.PageNumber, located.EndPageNumber, located.SheetName, located.StartRow, located.EndRow, located.StartLine, located.EndLine));
+        return new(texts[attachment], RetrievalContextExtensions.DescribeLocation(located.PageNumber, located.EndPageNumber, located.SheetName, located.StartRow, located.EndRow, located.StartLine, located.EndLine));
     }
 }

app/MindWork AI Studio/Tools/ToolCallingSystem/ToolCallingImplementations/SemanticSearch/SemanticSearchTool.cs

@@ -70,7 +70,7 @@ public sealed class SemanticSearchTool(SettingsManager settingsManager, DataSour
     /// A chunk is as long as the embedding model takes at once, by default 8,192 tokens, so a
     /// single passage may already fill tens of thousands of characters. A passage which does not
     /// fit starts the next page, see SearchAsync. Only a passage longer than a whole page is
-    /// shortened, and filtered again, see IRetrievalContextExtensions.ShortenToFitAsync. The limit
+    /// shortened, and filtered again, see RetrievalContextExtensions.ShortenToFitAsync. The limit
     /// is the one a web search has by default, and it leaves room for about three searches within
     /// the budget of all tool results of an answer, see ToolSelectionRules.MAX_TOOL_RESULT_CHARACTERS:
     /// a question with several aspects gets one search per aspect.
@@ -422,7 +422,7 @@ public sealed class SemanticSearchTool(SettingsManager settingsManager, DataSour
     /// </para>
     /// <para>
     /// A passage longer than a whole page would hold up every passage after it, so it is shortened
-    /// to fill a page of its own, see IRetrievalContextExtensions.ShortenToFitAsync.
+    /// to fill a page of its own, see RetrievalContextExtensions.ShortenToFitAsync.
     /// </para>
     /// </remarks>
     /// <param name="request">The search to run.</param>

app/SourceCodeRules/SourceCodeRules/UsageAnalyzers/DirectI18NGetTextAnalyzer.cs

@@ -62,7 +62,7 @@ public sealed class DirectI18NGetTextAnalyzer : DiagnosticAnalyzer
     private static bool IsLangExtensions(INamedTypeSymbol? type)
     {
         var staticClass = type is { IsExtension: true } ? type.ContainingType : type;
-        return staticClass?.Name == "ILangExtensions" && staticClass.ContainingNamespace.ToDisplayString() == "AIStudio.Tools.PluginSystem";
+        return staticClass?.Name == "LangExtensions" &&staticClass.ContainingNamespace.ToDisplayString() == "AIStudio.Tools.PluginSystem";
     }
 
     private static bool IsCollectorCompatibleWrapper(IMethodSymbol? containingMethod, IInvocationOperation invocation)

app/Tests/Analyzers/DirectI18NGetTextAnalyzerTests.cs

@@ -21,7 +21,7 @@ public sealed class DirectI18NGetTextAnalyzerTests
 {
     private const string CLASSIC_FORM =
         """
-        public static class ILangExtensions
+        public static class LangExtensions
         {
             public static string GetText(this ILang lang, string fallbackEN) => fallbackEN;
         }
@@ -29,7 +29,7 @@ public sealed class DirectI18NGetTextAnalyzerTests
 
     private const string EXTENSION_BLOCK_FORM =
         """
-        public static class ILangExtensions
+        public static class LangExtensions
         {
             extension(ILang lang)
             {
@@ -52,11 +52,11 @@ public sealed class DirectI18NGetTextAnalyzerTests
 
     [TestCase(CLASSIC_FORM, """public string Describe() => this.GetText("Hello");""", TestName = "A classic extension method called from another method")]
     [TestCase(CLASSIC_FORM, """public string T(string fallbackEN) => this.GetText("Hello");""", TestName = "A classic extension method called by a wrapper with a text of its own")]
-    [TestCase(CLASSIC_FORM, """public string Describe() => ILangExtensions.GetText(this, "Hello");""", TestName = "A classic extension method called as a static method")]
+    [TestCase(CLASSIC_FORM, """public string Describe() => LangExtensions.GetText(this, "Hello");""", TestName = "A classic extension method called as a static method")]
     [TestCase(EXTENSION_BLOCK_FORM, """public string Describe() => this.GetText("Hello");""", TestName = "The member of an extension block called from another method")]
     [TestCase(EXTENSION_BLOCK_FORM, """public string T(string fallbackEN) => this.GetText("Hello");""", TestName = "The member of an extension block called by a wrapper with a text of its own")]
     [TestCase(EXTENSION_BLOCK_FORM, """public string TA(string fallbackEN) => this.GetText("Hello");""", TestName = "The member of an extension block called by a TA wrapper with a text of its own")]
-    [TestCase(EXTENSION_BLOCK_FORM, """public string Describe() => ILangExtensions.GetText(this, "Hello");""", TestName = "The member of an extension block called as a static method")]
+    [TestCase(EXTENSION_BLOCK_FORM, """public string Describe() => LangExtensions.GetText(this, "Hello");""", TestName = "The member of an extension block called as a static method")]
     public async Task ADirectLookupIsRefused(string form, string member)
     {
         var reported = await AnalyzeAsync(form, member);
@@ -99,7 +99,7 @@ public sealed class DirectI18NGetTextAnalyzerTests
     private static async Task<IReadOnlyList<Diagnostic>> AnalyzeAsync(string form, string member)
     {
         //
-        // The snippet declares its own ILang and ILangExtensions where the analyzer looks for them. They take
+        // The snippet declares its own ILang and LangExtensions where the analyzer looks for them. They take
         // the place of those of the app, which the compilation references as well.
         //
         var source =

app/Tests/BeyondFactsLab/BflImageMaterialTests.cs

@@ -75,7 +75,7 @@ public sealed class BflImageMaterialTests
             Assert.That(await File.ReadAllBytesAsync(copy), Is.EqualTo(Convert.FromBase64String(FakeImageRuntime.IMAGE_BASE64)));
             Assert.That(copy, Does.StartWith(Path.Combine(this.dataDirectory, BeyondFactsLabStore.ROOT_DIRECTORY_NAME)), "The material must not depend on the file of the person.");
             Assert.That(this.runtime.RequestedPaths, Is.EqualTo(new[] { poster }));
-            Assert.That(this.runtime.RequestedBudgets, Is.EqualTo(new[] { IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES }), "The copy must be as large as any provider takes.");
+            Assert.That(this.runtime.RequestedBudgets, Is.EqualTo(new[] { ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES }), "The copy must be as large as any provider takes.");
         }
     }
 

app/Tests/Chat/ContentExtensionsTests.cs

@@ -16,7 +16,7 @@ namespace AIStudio.Tests.Chat;
 /// way the one can run into the other -- an open code fence above all. A document has no such seam.
 /// </remarks>
 [TestFixture]
-public sealed class IContentExtensionsTests
+public sealed class ContentExtensionsTests
 {
     private static readonly Source TOOL_SOURCE = new("Search result", "https://example.org/search", SourceOrigin.TOOL);
 

app/Tests/Provider/ImageSizeLimitTests.cs

@@ -20,7 +20,7 @@ public sealed class ImageSizeLimitTests
         using (Assert.EnterMultipleScope())
         {
             Assert.That(LLMProviders.ANTHROPIC.MaxImageSizeBytes, Is.EqualTo(3_932_160));
-            Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.ANTHROPIC)), Is.EqualTo(3_932_160));
+            Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.ANTHROPIC)), Is.EqualTo(3_932_160));
         }
     }
 
@@ -30,7 +30,7 @@ public sealed class ImageSizeLimitTests
         using (Assert.EnterMultipleScope())
         {
             Assert.That(LLMProviders.OPEN_AI.MaxImageSizeBytes, Is.Null, "Nobody stated a limit, and no number stands in for that.");
-            Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.OPEN_AI)), Is.EqualTo(IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES));
+            Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.OPEN_AI)), Is.EqualTo(ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES));
         }
     }
 
@@ -40,8 +40,8 @@ public sealed class ImageSizeLimitTests
         using (Assert.EnterMultipleScope())
         {
             Assert.That(Host.LLMMAN.MaxImageSizeBytes, Is.EqualTo(1_048_576));
-            Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.SELF_HOSTED, Host.LLMMAN)), Is.EqualTo(1_048_576));
-            Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.SELF_HOSTED, Host.OLLAMA)), Is.EqualTo(IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES), "Ollama states no limit we know of.");
+            Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.SELF_HOSTED, Host.LLMMAN)), Is.EqualTo(1_048_576));
+            Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(LLMProviders.SELF_HOSTED, Host.OLLAMA)), Is.EqualTo(ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES), "Ollama states no limit we know of.");
         }
     }
 
@@ -52,7 +52,7 @@ public sealed class ImageSizeLimitTests
         // to a cloud provider in the dialog:
         var cloudProviderWithAnOldHost = ProviderOf(LLMProviders.OPEN_AI, Host.LLMMAN);
 
-        Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(cloudProviderWithAnOldHost), Is.EqualTo(IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES));
+        Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(cloudProviderWithAnOldHost), Is.EqualTo(ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES));
     }
 
     [Test]
@@ -62,7 +62,7 @@ public sealed class ImageSizeLimitTests
         {
             foreach (var llmProvider in Enum.GetValues<LLMProviders>())
                 foreach (var host in Enum.GetValues<Host>())
-                    Assert.That(IImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(llmProvider, host)), Is.LessThanOrEqualTo(IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES), $"{llmProvider} with {host}");
+                    Assert.That(ImageSourceExtensions.MaxImageSizeBytesFor(ProviderOf(llmProvider, host)), Is.LessThanOrEqualTo(ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES), $"{llmProvider} with {host}");
         }
     }
 

app/Tests/Tools/ModelImageServiceTests.cs

@@ -77,7 +77,7 @@ public sealed class ModelImageServiceTests
 
         using (Assert.EnterMultipleScope())
         {
-            Assert.That(this.runtime.RequestedBudgets, Is.EqualTo(new[] { 3_932_160, IImageSourceExtensions.MAX_IMAGE_SIZE_BYTES }));
+            Assert.That(this.runtime.RequestedBudgets, Is.EqualTo(new[] { 3_932_160, ImageSourceExtensions.MAX_IMAGE_SIZE_BYTES }));
             Assert.That(this.runtime.RequestedPaths, Is.All.EqualTo(new FileInfo(this.imagePath).FullName));
         }
     }

app/Tests/Tools/RetrievalContextDescriptionTests.cs

@@ -144,8 +144,8 @@ public sealed class RetrievalContextDescriptionTests
         };
 
         var builder = new StringBuilder();
-        IRetrievalContextExtensions.AppendContextDescription(builder, image);
-        IRetrievalContextExtensions.AppendImageMatch(builder);
+        RetrievalContextExtensions.AppendContextDescription(builder, image);
+        RetrievalContextExtensions.AppendImageMatch(builder);
         var description = builder.ToString();
 
         using (Assert.EnterMultipleScope())
@@ -161,7 +161,7 @@ public sealed class RetrievalContextDescriptionTests
     private static string Describe(IRetrievalContext retrievalContext)
     {
         var builder = new StringBuilder();
-        IRetrievalContextExtensions.AppendContextDescription(builder, retrievalContext);
+        RetrievalContextExtensions.AppendContextDescription(builder, retrievalContext);
         return builder.ToString();
     }
 

app/Tests/Tools/RetrievalContextPreparationTests.cs

@@ -120,8 +120,8 @@ public sealed class RetrievalContextPreparationTests
 
         var expected = new StringBuilder();
         expected.AppendLine("# Retrieval context");
-        IRetrievalContextExtensions.AppendContextDescription(expected, image);
-        IRetrievalContextExtensions.AppendImageMatch(expected);
+        RetrievalContextExtensions.AppendContextDescription(expected, image);
+        RetrievalContextExtensions.AppendImageMatch(expected);
         expected.AppendLine();
 
         using (Assert.EnterMultipleScope())

app/Tests/Tools/RetrievalContextShorteningTests.cs

@@ -22,37 +22,37 @@ public sealed class RetrievalContextShorteningTests
     {
         const string TEXT = "first line\nsecond line";
 
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd(TEXT, TEXT.Length), Is.SameAs(TEXT));
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd(TEXT, TEXT.Length), Is.SameAs(TEXT));
     }
 
     [Test]
     public void ACutEndsAtTheLastLineEndWhichFits()
     {
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd("first\nsecond\nthird", 15), Is.EqualTo("first\nsecond"));
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd("first\nsecond\nthird", 15), Is.EqualTo("first\nsecond"));
     }
 
     [Test]
     public void ACutKeepsNoHalfOfAWindowsLineEnd()
     {
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd("first\r\nsecond\r\nthird", 17), Is.EqualTo("first\r\nsecond"));
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd("first\r\nsecond\r\nthird", 17), Is.EqualTo("first\r\nsecond"));
     }
 
     [Test]
     public void ACutGivesUpAtMostHalfOfWhatFitsForALineEnd()
     {
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd("a\nbcdefghijkl", 10), Is.EqualTo("a\nbcdefghi"), "With its only line end right at the start, the text would lose nearly everything.");
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd("a\nbcdefghijkl", 10), Is.EqualTo("a\nbcdefghi"), "With its only line end right at the start, the text would lose nearly everything.");
     }
 
     [Test]
     public void ACutNeverSplitsASurrogatePair()
     {
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd("ab😀cd", 3), Is.EqualTo("ab"));
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd("ab😀cd", 3), Is.EqualTo("ab"));
     }
 
     [Test]
     public void NothingIsLeftOfATextWithoutRoom()
     {
-        Assert.That(IRetrievalContextExtensions.CutAtLineEnd("text", 0), Is.Empty);
+        Assert.That(RetrievalContextExtensions.CutAtLineEnd("text", 0), Is.Empty);
     }
 
     [Test]