NAMEGEN-2-BE: 5 neue Themen-Kategorien (disney/pokemon/encities/hrcities/usstates)

UsageMap bildet alle Codes auf deutsche Beschreibungen ab; thematische Kategorien
landen unter "Themen-Kategorien" im Prompt (kein Etymologie-Zwang, origin=Kategoriename).
22 neue Tests, 179/179 gruen.

GerbilManager.Tests/NameSuggestionTests.cs

@@ -8,8 +8,8 @@ using Microsoft.Extensions.Options;
 namespace GerbilManager.Tests
 {
     /// <summary>
-    /// FEAT-NAMEGEN: NameSuggestionService — prompt assembly, JSON parse (incl. Markdown
-    /// fence strip), 503-not-configured path, upstream-error path.
+    /// FEAT-NAMEGEN / NAMEGEN-2-BE: NameSuggestionService — prompt assembly, usage-code mapping,
+    /// JSON parse (incl. Markdown fence strip), 503-not-configured path, upstream-error path.
     /// </summary>
     public class NameSuggestionTests
     {
@@ -26,6 +26,14 @@ namespace GerbilManager.Tests
             Assert.Contains("origin", prompt);
         }
 
+        [Fact]
+        public void SystemPrompt_erklärt_thematische_Kategorien()
+        {
+            var prompt = NameSuggestionService.BuildSystemPrompt();
+            Assert.Contains("thematischen Kategorien", prompt);
+            Assert.Contains("Erfinde KEINE Etymologie", prompt);
+        }
+
         [Fact]
         public void UserPrompt_enthält_Anzahl_und_Anfangsbuchstaben()
         {
@@ -33,7 +41,10 @@ namespace GerbilManager.Tests
             Assert.Contains("6", prompt);
             Assert.Contains("\"A\"", prompt);
             Assert.Contains("weibliche", prompt);
-            Assert.Contains("norn,mythg", prompt);
+            // codes are mapped to German descriptions
+            Assert.Contains("Nordische/Altnordische Etymologie", prompt);
+            Assert.Contains("Griechische Mythologie", prompt);
+            Assert.Contains("Kulturkreisen", prompt);
         }
 
         [Fact]
@@ -54,6 +65,67 @@ namespace GerbilManager.Tests
             Assert.DoesNotContain("männliche", prompt);
         }
 
+        // ── NAMEGEN-2-BE: neue Themen-Kategorien ─────────────────────────────
+
+        [Theory]
+        [InlineData("disney",   "Disney-Charaktere")]
+        [InlineData("pokemon",  "Pokémon-Namen")]
+        [InlineData("encities", "Namen englischer Städte")]
+        [InlineData("hrcities", "Namen kroatischer Städte")]
+        [InlineData("usstates", "Namen von US-Bundesstaaten")]
+        public void UsageMap_enthält_alle_fünf_neuen_Codes(string code, string expectedDescription)
+        {
+            Assert.True(NameSuggestionService.UsageMap.TryGetValue(code, out var entry));
+            Assert.Equal(expectedDescription, entry.Description);
+            Assert.True(entry.Thematic);
+        }
+
+        [Theory]
+        [InlineData("disney",   "Disney-Charaktere")]
+        [InlineData("pokemon",  "Pokémon-Namen")]
+        [InlineData("encities", "Namen englischer Städte")]
+        [InlineData("hrcities", "Namen kroatischer Städte")]
+        [InlineData("usstates", "Namen von US-Bundesstaaten")]
+        public void UserPrompt_enthält_Themen_Kategorie_Beschreibung(string code, string expectedDescription)
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt(null, null, code, 5);
+            Assert.Contains(expectedDescription, prompt);
+            Assert.Contains("Themen-Kategorien", prompt);
+            Assert.DoesNotContain("Kulturkreisen", prompt);
+        }
+
+        [Fact]
+        public void UserPrompt_trennt_etym_und_thematische_Kategorien()
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt("D", null, "norn,disney", 4);
+            Assert.Contains("Nordische/Altnordische Etymologie", prompt);
+            Assert.Contains("Kulturkreisen", prompt);
+            Assert.Contains("Disney-Charaktere", prompt);
+            Assert.Contains("Themen-Kategorien", prompt);
+        }
+
+        [Fact]
+        public void UserPrompt_thematisch_enthält_Geschlecht_Hinweis()
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt(null, "female", "encities", 3);
+            Assert.Contains("Geschlecht-Filter kann ignoriert werden", prompt);
+        }
+
+        [Fact]
+        public async Task SuggestAsync_parst_thematische_Kategorie_Antwort()
+        {
+            var payload = """[{"name":"Dumbo","meaning":"Elefant mit großen Ohren aus dem Disney-Film Dumbo (1941)","origin":"Disney"}]""";
+            var handler = new StubHandler(_ => Canned(payload));
+            var service = CreateService("https://api.example.com/v1", "k", "m", handler);
+
+            var result = await service.SuggestAsync("D", null, "disney", 1);
+
+            Assert.Equal(NameSuggestionStatus.Ok, result.Status);
+            Assert.NotNull(result.Suggestions);
+            Assert.Equal("Dumbo", result.Suggestions![0].Name);
+            Assert.Equal("Disney", result.Suggestions[0].Origin);
+        }
+
         // ── JSON parsing ──────────────────────────────────────────────────────
 
         [Fact]