feat(gateway): sync Seedance 2.0 capabilities

apps/api/internal/clients/clients_test.go

@@ -1660,6 +1660,7 @@ func TestVolcesVideoBodyAllowsOnlyTaskPayloadFields(t *testing.T) {
 			"cameraFixed":           false,
 			"watermark":             true,
 			"seed":                  -1,
+			"tools":                 []any{map[string]any{"type": "web_search"}},
 			"task_id":               "local-task-id",
 			"runMode":               "simulation",
 			"fps":                   24,
@@ -1707,7 +1708,7 @@ func TestVolcesVideoBodyAllowsOnlyTaskPayloadFields(t *testing.T) {
 	allowedTopLevel := map[string]bool{
 		"model": true, "content": true, "callback_url": true, "return_last_frame": true, "execution_expires_after": true,
 		"generate_audio": true, "draft": true, "resolution": true, "ratio": true, "duration": true,
-		"seed": true, "camera_fixed": true, "watermark": true,
+		"seed": true, "camera_fixed": true, "watermark": true, "tools": true,
 	}
 	for key := range body {
 		if !allowedTopLevel[key] {
@@ -1728,6 +1729,10 @@ func TestVolcesVideoBodyAllowsOnlyTaskPayloadFields(t *testing.T) {
 		body["watermark"] != true {
 		t.Fatalf("unexpected direct video fields: %+v", body)
 	}
+	tools, ok := body["tools"].([]any)
+	if !ok || len(tools) != 1 {
+		t.Fatalf("expected web search tools to pass through, got %+v", body["tools"])
+	}
 
 	content, ok := body["content"].([]map[string]any)
 	if !ok || len(content) != 5 {
@@ -1782,6 +1787,31 @@ func TestVolcesVideoBodyPrefersFramesOverDuration(t *testing.T) {
 	}
 }
 
+func TestVolcesVideoBodyBuildsWebSearchToolsFromFlag(t *testing.T) {
+	body := volcesVideoBody(Request{
+		Kind:      "videos.generations",
+		ModelType: "video_generate",
+		Model:     "豆包Seedance-2.0",
+		Body: map[string]any{
+			"model":             "豆包Seedance-2.0",
+			"prompt":            "查找最新城市夜景素材再生成视频",
+			"enable_web_search": true,
+		},
+		Candidate: store.RuntimeModelCandidate{
+			ProviderModelName: "doubao-seedance-2-0-260128",
+		},
+	})
+
+	tools, ok := body["tools"].([]any)
+	if !ok || len(tools) != 1 {
+		t.Fatalf("expected generated web search tools, got %+v", body["tools"])
+	}
+	tool, ok := tools[0].(map[string]any)
+	if !ok || tool["type"] != "web_search" {
+		t.Fatalf("unexpected generated web search tool: %+v", tools[0])
+	}
+}
+
 func TestVolcesClientVideoResumePollsExistingTaskID(t *testing.T) {
 	var submitCalled bool
 	var pollPath string

apps/api/internal/clients/volces.go

@@ -336,6 +336,16 @@ func addVolcesVideoTaskParams(out map[string]any, body map[string]any) {
 	copyVolcesBoolParam(out, "return_last_frame", body, "return_last_frame", "returnLastFrame")
 	copyVolcesIntParam(out, "execution_expires_after", body, "execution_expires_after", "executionExpiresAfter")
 	copyVolcesBoolParam(out, "generate_audio", body, "generate_audio", "generateAudio", "audio")
+	if tools, ok := body["tools"]; ok {
+		out["tools"] = tools
+	} else {
+		for _, key := range []string{"enable_web_search", "enableWebSearch"} {
+			if value, ok := volcesBoolFromAny(body[key]); ok && value {
+				out["tools"] = []any{map[string]any{"type": "web_search"}}
+				break
+			}
+		}
+	}
 	copyVolcesBoolParam(out, "draft", body, "draft")
 	copyVolcesStringParam(out, "resolution", body, "resolution", "size")
 	copyVolcesStringParam(out, "ratio", body, "ratio", "aspect_ratio", "aspectRatio")