feat: 修复 AI 风险语义并隔离 Mock 数据

server-go/internal/service/ai_client_test.go

@@ -24,7 +24,11 @@ func TestAIClientDetectParsesResult(t *testing.T) {
 		}
 		w.Header().Set("Content-Type", "application/json")
 		_ = json.NewEncoder(w).Encode(map[string]any{
-			"model": "mock",
+			"model":               "mock",
+			"modelVersion":        "silk-yolo-2026.08.1",
+			"isMock":              true,
+			"status":              "abnormal",
+			"abnormalProbability": 0.93,
 			"detections": []map[string]any{
 				{"bbox": map[string]float64{"x": 1, "y": 2, "w": 3, "h": 4}, "class": "sick", "confidence": 0.93},
 			},
@@ -40,6 +44,15 @@ func TestAIClientDetectParsesResult(t *testing.T) {
 	if res.Model != "mock" {
 		t.Errorf("model = %s, want mock", res.Model)
 	}
+	if res.ModelVersion != "silk-yolo-2026.08.1" {
+		t.Errorf("modelVersion = %s, want silk-yolo-2026.08.1", res.ModelVersion)
+	}
+	if !res.IsMock {
+		t.Error("isMock 应解析为 true")
+	}
+	if res.Status != "abnormal" || res.AbnormalProbability != 0.93 {
+		t.Errorf("AI 语义字段解析不正确: %+v", res)
+	}
 	if len(res.Detections) != 1 {
 		t.Fatalf("detections 数量 = %d, want 1", len(res.Detections))
 	}
@@ -49,6 +62,21 @@ func TestAIClientDetectParsesResult(t *testing.T) {
 	}
 }
 
+func TestAIDetectionStatus(t *testing.T) {
+	if got := AIDetectionStatus(nil); got != "unknown" {
+		t.Errorf("空检测应为 unknown，实际 %s", got)
+	}
+	if got := AIDetectionStatus([]AIDetection{{ClassName: "healthy"}}); got != "healthy" {
+		t.Errorf("全健康应为 healthy，实际 %s", got)
+	}
+	if got := AIDetectionStatus([]AIDetection{{ClassName: "unknown"}}); got != "unknown" {
+		t.Errorf("unknown 应为 unknown，实际 %s", got)
+	}
+	if got := AIDetectionStatus([]AIDetection{{ClassName: "sick"}}); got != "abnormal" {
+		t.Errorf("异常类别应为 abnormal，实际 %s", got)
+	}
+}
+
 func TestAIClientDetectServerError(t *testing.T) {
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "boom", http.StatusInternalServerError)