test(knowledge): seed 数据完整性测试（RED）

server-go/internal/model/knowledge_seed_test.go

@@ -0,0 +1,49 @@
+package model
+
+import "testing"
+
+func TestSeedDiseasesCoverCoreFour(t *testing.T) {
+	core := []string{"核型多角体病", "白僵病", "软化病", "微粒子病"}
+	got := map[string]bool{}
+	for _, d := range SeedDiseases {
+		got[d.Name] = true
+	}
+	for _, name := range core {
+		if !got[name] {
+			t.Errorf("核心蚕病缺失: %s", name)
+		}
+	}
+}
+
+func TestSeedDiseasesRequiredFields(t *testing.T) {
+	for _, d := range SeedDiseases {
+		if d.Name == "" || d.Category == "" {
+			t.Errorf("病种名称/类别不能为空: %+v", d)
+		}
+		if d.Pathogen == "" || d.Symptoms == "" || d.Transmission == "" || d.Prevention == "" {
+			t.Errorf("病种必备字段缺失(病原/症状/传播途径/防治指南): %s", d.Name)
+		}
+	}
+}
+
+func TestSeedDiseasesNamesUnique(t *testing.T) {
+	seen := map[string]bool{}
+	for _, d := range SeedDiseases {
+		if seen[d.Name] {
+			t.Errorf("病种名称重复: %s", d.Name)
+		}
+		seen[d.Name] = true
+	}
+}
+
+func TestSeedKnowledgeArticlesHasAIGuide(t *testing.T) {
+	found := false
+	for _, a := range SeedKnowledgeArticles {
+		if a.Kind == "ai_guide" && a.Title != "" && a.Content != "" {
+			found = true
+		}
+	}
+	if !found {
+		t.Error("缺少 AI 结果解读文章（kind=ai_guide）")
+	}
+}