fix(ark-assets): 方舟素材库 - 阻止图片 Agent Plan 误用 asset:// 可信素材

Agent Plan Seedream 与 Seedance 共用 /api/plan/v3，BaseURL 判断会把图片生成误判为视频可信素材路径。仅视频 mode/协议才同步或提交 asset://。

Co-authored-by: Cursor <cursoragent@cursor.com>

web/test/generation-task-ark-asset.test.ts

@@ -0,0 +1,86 @@
+import { describe, expect, test } from "bun:test";
+
+import { prepareBackendGenerationTask } from "../src/services/api/generation-task";
+import { createModelChannel, defaultConfig, encodeChannelModel } from "../src/stores/use-config-store";
+
+function agentPlanImageConfig() {
+    const channel = createModelChannel({
+        id: "ark-plan-image",
+        name: "Ark Plan Seedream",
+        baseUrl: "https://ark.cn-beijing.volces.com/api/plan/v3",
+        apiKey: "test-key",
+        interfaceType: "volcengine-ark-agent-plan-image",
+        models: ["doubao-seedream-4-0-250828"],
+        modelCosts: [{
+            model: "doubao-seedream-4-0-250828",
+            capability: "image",
+            protocol: "volcengine-ark-agent-plan-image",
+            billingMode: "fixed_request",
+            unitPriceMicrocredits: 1,
+        }],
+    });
+    const model = encodeChannelModel(channel.id, "doubao-seedream-4-0-250828");
+    return { ...defaultConfig, channels: [channel], model, baseUrl: channel.baseUrl, interfaceType: channel.interfaceType };
+}
+
+function agentPlanVideoConfig() {
+    const channel = createModelChannel({
+        id: "ark-plan-video",
+        name: "Ark Plan Seedance",
+        baseUrl: "https://ark.cn-beijing.volces.com/api/plan/v3",
+        apiKey: "test-key",
+        interfaceType: "volcengine-ark-agent-plan-video",
+        models: ["doubao-seedance-1-5-pro-251215"],
+        modelCosts: [{
+            model: "doubao-seedance-1-5-pro-251215",
+            capability: "video",
+            protocol: "volcengine-ark-agent-plan-video",
+            billingMode: "token",
+            inputPricePerMillion: 1,
+            outputPricePerMillion: 1,
+        }],
+    });
+    const model = encodeChannelModel(channel.id, "doubao-seedance-1-5-pro-251215");
+    return { ...defaultConfig, channels: [channel], model, videoModel: model, baseUrl: channel.baseUrl, interfaceType: channel.interfaceType };
+}
+
+describe("generation-task ark asset references", () => {
+    test("agent plan Seedream image mode does not rewrite references to asset://", async () => {
+        const input = await prepareBackendGenerationTask({
+            mode: "image",
+            prompt: "edit this",
+            config: agentPlanImageConfig(),
+            referenceImages: [{
+                id: "ref-1",
+                name: "ref.png",
+                type: "image/png",
+                url: "https://cdn.example.com/ref.png",
+                storageKey: "resource:res-1",
+                arkAssetId: "asset-already-synced",
+            }],
+        });
+        const images = (input.input as { referenceImages?: Array<{ url?: string; storageKey?: string }> }).referenceImages || [];
+        expect(images).toHaveLength(1);
+        expect(images[0]?.url).not.toStartWith("asset://");
+        expect(images[0]?.storageKey).toBe("resource:res-1");
+    });
+
+    test("agent plan Seedance video mode still prefers asset:// when arkAssetId exists", async () => {
+        const input = await prepareBackendGenerationTask({
+            mode: "video",
+            prompt: "animate this",
+            config: agentPlanVideoConfig(),
+            referenceImages: [{
+                id: "ref-1",
+                name: "ref.png",
+                type: "image/png",
+                url: "https://cdn.example.com/ref.png",
+                storageKey: "resource:res-1",
+                arkAssetId: "asset-already-synced",
+            }],
+        });
+        const images = (input.input as { referenceImages?: Array<{ url?: string }> }).referenceImages || [];
+        expect(images).toHaveLength(1);
+        expect(images[0]?.url).toBe("asset://asset-already-synced");
+    });
+});