Port the Anthropic and Google families

app/Tests/Models/Corpus/CapabilitySnapshot.txt

@@ -66,7 +66,6 @@ GOOGLE | gemini-3-pro-image | ALWAYS_REASONING, CHAT_COMPLETION_API, IMAGE_OUTPU
 GOOGLE | gemini-3.1-flash-image | ALWAYS_REASONING, CHAT_COMPLETION_API, IMAGE_OUTPUT, MULTIPLE_IMAGE_INPUT, TEXT_INPUT, TEXT_OUTPUT, VIDEO_INPUT
 GOOGLE | gemini-flash-latest | ALWAYS_REASONING, AUDIO_INPUT, CHAT_COMPLETION_API, FUNCTION_CALLING, MULTIPLE_IMAGE_INPUT, SPEECH_INPUT, TEXT_INPUT, TEXT_OUTPUT, VIDEO_INPUT
 GOOGLE | gemini-pro-latest | ALWAYS_REASONING, AUDIO_INPUT, CHAT_COMPLETION_API, FUNCTION_CALLING, MULTIPLE_IMAGE_INPUT, SPEECH_INPUT, TEXT_INPUT, TEXT_OUTPUT, VIDEO_INPUT
-GOOGLE | imagen-4.0-generate-001 | CHAT_COMPLETION_API, FUNCTION_CALLING, MULTIPLE_IMAGE_INPUT, TEXT_INPUT, TEXT_OUTPUT
 GROQ | llama-3.3-70b-versatile | CHAT_COMPLETION_API, FUNCTION_CALLING, TEXT_INPUT, TEXT_OUTPUT
 GROQ | moonshotai/kimi-k2-instruct | CHAT_COMPLETION_API, FUNCTION_CALLING, TEXT_INPUT, TEXT_OUTPUT
 GROQ | openai/gpt-oss-120b | CHAT_COMPLETION_API, FUNCTION_CALLING, TEXT_INPUT, TEXT_OUTPUT, WEB_SEARCH

app/Tests/Models/Corpus/ExpectedChanges.cs

@@ -103,6 +103,16 @@ public static class ExpectedChanges
             Reason: "A transcription model reaches the global fallback and is told it calls functions.",
             Source: "Same model family as the Whisper entries the app lists for Fireworks and GWDG."),
 
+        //
+        // An image generation model. It draws a picture from a description; there is no
+        // conversation in it and nothing to call a function with.
+        //
+        new(GOOGLE, "imagen-4.0-generate-001",
+            AnswerToday: [TEXT_INPUT, MULTIPLE_IMAGE_INPUT, TEXT_OUTPUT, FUNCTION_CALLING, CHAT_COMPLETION_API],
+            AnswerWanted: [TEXT_INPUT, IMAGE_OUTPUT],
+            Reason: "An image generation model is answered with the Google default for everything which is not a Gemini: it is told it reads images, writes text, and calls functions, and the one thing it does is not said at all.",
+            Source: "Provider/Google/ProviderGoogle.cs keeps only names beginning with \"gemini-\" in its chat model list, so this model is never a chat model to begin with; Provider/ModelKindExtensions.cs classifies image generation separately."),
+
         //
         // One model, two spellings, two answers.
         //

app/Tests/Models/PortingDifferenceTests.cs

@@ -30,6 +30,8 @@ public sealed class PortingDifferenceTests
     private static readonly IReadOnlyList<LLMProviders> PROVIDERS_ALREADY_PORTED =
     [
         LLMProviders.OPEN_AI,
+        LLMProviders.ANTHROPIC,
+        LLMProviders.GOOGLE,
     ];
 
     [Test]