fix(plugin): 万相3.0视频 - 修复上游响应错误解析

backend/internal/app/provider_error.go

@@ -48,27 +48,43 @@ func providerResponseBusinessFailure(responseBody []byte) (string, string, bool)
 }
 
 func providerPayloadBusinessFailure(payload map[string]any) (string, string, bool) {
+	if code, message, failed := providerBusinessFailure(payload); failed {
+		return code, message, true
+	}
+	// DashScope 业务失败在 output 内
+	if output, ok := payload["output"].(map[string]any); ok {
+		return providerBusinessFailure(output)
+	}
+	return "", "", false
+}
+
+func providerBusinessFailure(payload map[string]any) (string, string, bool) {
 	if errorValue, ok := payload["error"].(map[string]any); ok {
 		code, message := providerFailureDetails(map[string]any{"error": errorValue})
 		if code != "" || message != "" {
 			return code, message, true
 		}
 	}
-	if !providerBusinessCodeFailed(payload["code"]) {
-		return "", "", false
-	}
-	code, message := providerFailureDetails(payload)
-	return code, message, true
-}
 
-func providerBusinessCodeFailed(value any) bool {
-	code := strings.ToLower(strings.TrimSpace(fmt.Sprint(value)))
-	switch code {
-	case "", "0", "success", "succeeded", "ok", "<nil>":
-		return false
-	default:
-		return true
+	code := strings.ToLower(strings.TrimSpace(fmt.Sprint(payload["code"])))
+	if code != "" && code != "0" &&
+		code != "success" && code != "succeeded" &&
+		code != "ok" && code != "<nil>" {
+		code, message := providerFailureDetails(payload)
+		return code, message, true
 	}
+
+	status := strings.ToLower(strings.TrimSpace(fmt.Sprint(payload["task_status"])))
+	switch status {
+	case "failed", "failure", "error", "expired":
+		code, message := providerFailureDetails(payload)
+		if code == "" {
+			code = "task_failed"
+		}
+		return code, message, true
+	}
+
+	return "", "", false
 }
 
 func normalizedProviderErrorCode(value any) string {

backend/internal/app/provider_error_test.go

@@ -1,6 +1,9 @@
 package app
 
-import "testing"
+import (
+	"strings"
+	"testing"
+)
 
 func TestProviderFailureDetailsReadsTopLevelModerationError(t *testing.T) {
 	code, message := providerFailureDetails(map[string]any{
@@ -59,3 +62,30 @@ func TestProviderPayloadBusinessFailureAcceptsStringSuccessCode(t *testing.T) {
 		t.Fatalf("success payload was marked failed: (%q, %q)", code, message)
 	}
 }
+
+func TestProviderPayloadBusinessFailureReadsNestedOutputFailure(t *testing.T) {
+	code, message, failed := providerPayloadBusinessFailure(map[string]any{
+		"output": map[string]any{
+			"code":        "InvalidParameter",
+			"message":     "Input should be '1080P', '720P' or '480P': parameters.resolution",
+			"task_id":     "e0d8c86d-4939-4f2e-93f7-e2cd10a07d58",
+			"task_status": "FAILED",
+		},
+		"request_id": "c3c98e67-830d-9f1d-8a62-fff019ffa522",
+	})
+	if !failed || code != "InvalidParameter" {
+		t.Fatalf("nested output failure = (%q, %q, %v)", code, message, failed)
+	}
+	if !strings.Contains(message, "parameters.resolution") {
+		t.Fatalf("unexpected message: %q", message)
+	}
+}
+
+func TestProviderPayloadBusinessFailureIgnoresPendingOutput(t *testing.T) {
+	if code, message, failed := providerPayloadBusinessFailure(map[string]any{
+		"output":     map[string]any{"task_id": "task-1", "task_status": "PENDING"},
+		"request_id": "req-1",
+	}); failed {
+		t.Fatalf("pending output marked failed: (%q, %q)", code, message)
+	}
+}