feat(kling): 接入O1与3.0 Omni兼容接口

新增中国区可灵 V1 AK/SK Omni 协议与 API 2.0 兼容路径，补齐任务隔离、外部任务幂等、参数校验和 OpenAPI 文档。\n\n验证：O1 与 3.0 Omni 真实 V1 任务成功；Go、前端、依赖审计、迁移及 CI 脚本门禁通过。

apps/api/internal/clients/clients_test.go

@@ -2612,6 +2612,47 @@ func TestKelingOmniPayloadConvertsGatewayContent(t *testing.T) {
 	}
 }
 
+func TestKelingOmniPayloadPreservesLegacyV1Options(t *testing.T) {
+	payload, cleanupIDs, err := (KelingClient{}).kelingOmniPayload(context.Background(), Request{
+		Kind:      "videos.generations",
+		ModelType: "omni_video",
+		Body: map[string]any{
+			"multi_shot": true,
+			"shot_type":  "customize",
+			"multi_prompt": []any{
+				map[string]any{"index": 1, "prompt": "镜头一", "duration": 7},
+				map[string]any{"index": 2, "prompt": "镜头二", "duration": 8},
+			},
+			"resolution":       "1080p",
+			"callback_url":     "https://example.com/callback",
+			"external_task_id": "client-task-1",
+			"watermark_info":   map[string]any{"enabled": true},
+			"voice_list":       []any{map[string]any{"voice_id": "voice-1"}},
+		},
+		Candidate: store.RuntimeModelCandidate{
+			Provider:          "keling",
+			ProviderModelName: "kling-v3-omni",
+			Capabilities:      map[string]any{"omni_video": map[string]any{}},
+		},
+	}, "token")
+	if err != nil {
+		t.Fatalf("build keling legacy V1 payload: %v", err)
+	}
+	if len(cleanupIDs) != 0 {
+		t.Fatalf("unexpected cleanup ids: %+v", cleanupIDs)
+	}
+	if payload["multi_shot"] != true || payload["shot_type"] != "customize" || payload["duration"] != "15" {
+		t.Fatalf("unexpected multi-shot payload: %+v", payload)
+	}
+	if payload["callback_url"] != "https://example.com/callback" || payload["external_task_id"] != "client-task-1" {
+		t.Fatalf("legacy task options were not preserved: %+v", payload)
+	}
+	watermark := mapFromAny(payload["watermark_info"])
+	if watermark["enabled"] != true || len(mapListFromAny(payload["voice_list"])) != 1 {
+		t.Fatalf("watermark or voice options were not preserved: %+v", payload)
+	}
+}
+
 func TestKelingClientVideoResumePollsWithoutSubmitting(t *testing.T) {
 	var submitCalled bool
 	var pollPath string

apps/api/internal/clients/keling.go

@@ -420,15 +420,21 @@ func (c KelingClient) kelingOmniPayload(ctx context.Context, request Request, to
 	}
 	uploadedElementIDs = append(uploadedElementIDs, createdIDs...)
 	shots := kelingShotPrompts(content)
-	hasMultiPrompt := len(shots) > 0
+	rawMultiPrompt := mapListFromAny(body["multi_prompt"])
+	hasMultiPrompt := len(shots) > 0 || len(rawMultiPrompt) > 0
+	multiShot := boolValue(body, "multi_shot") || hasMultiPrompt
 	hasVideo := len(videos) > 0
 	hasVideoEdit := kelingHasBaseVideo(videos)
 	hasFirstFrame := kelingHasFirstFrame(images)
 
+	watermarkEnabled := boolValue(body, "watermark")
+	if watermarkInfo := mapFromAny(body["watermark_info"]); watermarkInfo != nil {
+		watermarkEnabled = boolValue(watermarkInfo, "enabled")
+	}
 	payload := map[string]any{
 		"model_name":      upstreamModelName(request.Candidate),
 		"mode":            kelingModeByResolution(firstNonEmptyStringValue(body, "resolution", "size")),
-		"watermark_info":  map[string]any{"enabled": false},
+		"watermark_info":  map[string]any{"enabled": watermarkEnabled},
 		"negative_prompt": strings.TrimSpace(stringFromAny(body["negative_prompt"])),
 	}
 	if !hasMultiPrompt {
@@ -449,29 +455,62 @@ func (c KelingClient) kelingOmniPayload(ctx context.Context, request Request, to
 	if len(elements) > 0 {
 		payload["element_list"] = elements
 	}
+	if voices := mapListFromAny(body["voice_list"]); len(voices) > 0 {
+		payload["voice_list"] = voices
+	}
 	if (boolValue(body, "audio") || boolValue(body, "output_audio")) && !hasVideo {
 		payload["sound"] = "on"
 	}
-	if hasMultiPrompt {
+	if multiShot {
 		payload["multi_shot"] = true
-		payload["shot_type"] = "customize"
-		total := 0.0
-		multiPrompt := make([]any, 0, len(shots))
-		for index, shot := range shots {
-			duration := shot.duration
-			if duration <= 0 {
-				duration = 5
+		shotType := strings.TrimSpace(firstNonEmptyStringValue(body, "shot_type", "shotType"))
+		if shotType == "" {
+			if hasMultiPrompt {
+				shotType = "customize"
+			} else {
+				shotType = "intelligence"
 			}
-			total += duration
-			multiPrompt = append(multiPrompt, map[string]any{
-				"index":    index + 1,
-				"prompt":   shot.text,
-				"duration": fmtDuration(duration, 5),
-			})
 		}
-		delete(payload, "prompt")
-		payload["multi_prompt"] = multiPrompt
-		payload["duration"] = fmtDuration(total, 0)
+		payload["shot_type"] = shotType
+		if shotType == "customize" {
+			total := 0.0
+			multiPrompt := make([]any, 0, len(rawMultiPrompt)+len(shots))
+			if len(rawMultiPrompt) > 0 {
+				for index, item := range rawMultiPrompt {
+					duration := numericValue(item["duration"], 0)
+					total += duration
+					multiPrompt = append(multiPrompt, map[string]any{
+						"index":    int(math.Round(numericValue(item["index"], float64(index+1)))),
+						"prompt":   strings.TrimSpace(stringFromAny(item["prompt"])),
+						"duration": fmtDuration(duration, 0),
+					})
+				}
+			} else {
+				for index, shot := range shots {
+					duration := shot.duration
+					if duration <= 0 {
+						duration = 5
+					}
+					total += duration
+					multiPrompt = append(multiPrompt, map[string]any{
+						"index":    index + 1,
+						"prompt":   shot.text,
+						"duration": fmtDuration(duration, 5),
+					})
+				}
+			}
+			delete(payload, "prompt")
+			payload["multi_prompt"] = multiPrompt
+			if total > 0 {
+				payload["duration"] = fmtDuration(total, 0)
+			}
+		}
+	}
+	if callbackURL := strings.TrimSpace(firstNonEmptyStringValue(body, "callback_url", "callbackUrl")); callbackURL != "" {
+		payload["callback_url"] = callbackURL
+	}
+	if externalTaskID := strings.TrimSpace(firstNonEmptyStringValue(body, "external_task_id", "externalTaskId")); externalTaskID != "" {
+		payload["external_task_id"] = externalTaskID
 	}
 	deleteEmptyStringFields(payload)
 	if hasVideoEdit {
@@ -1140,9 +1179,15 @@ func kelingVideoSuccessResult(request Request, upstreamTaskID string, raw map[st
 			continue
 		}
 		item := map[string]any{"url": url, "video_url": url, "type": "video"}
+		if id := strings.TrimSpace(stringFromAny(video["id"])); id != "" {
+			item["id"] = id
+		}
 		if duration := intFromAny(video["duration"]); duration > 0 {
 			item["duration"] = duration
 		}
+		if watermarkURL := strings.TrimSpace(stringFromAny(video["watermark_url"])); watermarkURL != "" {
+			item["watermark_url"] = watermarkURL
+		}
 		items = append(items, item)
 	}
 	created := intFromAny(data["created_at"])

apps/api/internal/clients/keling_live_test.go

@@ -0,0 +1,83 @@
+package clients
+
+import (
+	"context"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
+)
+
+// TestKelingLegacyV1LiveOmni is opt-in because it creates billable upstream
+// video tasks. Credentials must only be supplied through local environment
+// variables; the test never prints them.
+func TestKelingLegacyV1LiveOmni(t *testing.T) {
+	if strings.TrimSpace(os.Getenv("KELING_LIVE_TEST")) != "1" {
+		t.Skip("set KELING_LIVE_TEST=1 to run billable Kling V1 integration tests")
+	}
+	baseURL := strings.TrimRight(strings.TrimSpace(os.Getenv("KELING_TEST_BASE_URL")), "/")
+	accessKey := strings.TrimSpace(os.Getenv("KELING_TEST_ACCESS_KEY"))
+	secretKey := strings.TrimSpace(os.Getenv("KELING_TEST_SECRET_KEY"))
+	if baseURL == "" || accessKey == "" || secretKey == "" {
+		t.Fatal("KELING_TEST_BASE_URL, KELING_TEST_ACCESS_KEY, and KELING_TEST_SECRET_KEY are required")
+	}
+
+	models := []string{"kling-video-o1", "kling-v3-omni"}
+	if selected := strings.TrimSpace(os.Getenv("KELING_LIVE_TEST_MODELS")); selected != "" {
+		models = strings.Split(selected, ",")
+	}
+	for _, model := range models {
+		model = strings.TrimSpace(model)
+		t.Run(model, func(t *testing.T) {
+			duration := 3
+			if model == "kling-video-o1" {
+				duration = 5
+			}
+			ctx, cancel := context.WithTimeout(context.Background(), 15*time.Minute)
+			defer cancel()
+			response, err := (KelingClient{}).Run(ctx, Request{
+				Kind:      "videos.generations",
+				ModelType: "omni_video",
+				Model:     model,
+				Body: map[string]any{
+					"prompt":       "清晨的湖面上，一只白色纸鹤缓慢飞过，镜头平稳推进",
+					"duration":     duration,
+					"aspect_ratio": "16:9",
+					"resolution":   "720p",
+					"sound":        "off",
+				},
+				Candidate: store.RuntimeModelCandidate{
+					BaseURL:           baseURL,
+					Provider:          "keling",
+					AuthType:          "AccessKey-SecretKey",
+					ProviderModelName: model,
+					Credentials: map[string]any{
+						"accessKey": accessKey,
+						"secretKey": secretKey,
+					},
+					Capabilities: map[string]any{"omni_video": map[string]any{}},
+					PlatformConfig: map[string]any{
+						"kelingPollIntervalMs":     5000,
+						"kelingPollTimeoutSeconds": 840,
+					},
+				},
+			})
+			if err != nil {
+				t.Fatalf("Kling V1 %s live task failed: %v", model, err)
+			}
+			items, _ := response.Result["data"].([]any)
+			if len(items) == 0 {
+				t.Fatalf("Kling V1 %s returned no video", model)
+			}
+			item, _ := items[0].(map[string]any)
+			if strings.TrimSpace(stringFromAny(item["url"])) == "" {
+				t.Fatalf("Kling V1 %s returned an empty video URL", model)
+			}
+			if strings.TrimSpace(response.RequestID) == "" {
+				t.Fatalf("Kling V1 %s returned an empty request id", model)
+			}
+		})
+	}
+}