fix(platform): 模型能力 - 修复图片时长误判与后台默认参数同步

web/test/canvas-model-policy.test.ts

@@ -3,7 +3,7 @@ import { describe, expect, test } from "bun:test";
 import { canvasConnectionError } from "../src/lib/canvas/canvas-connection-policy";
 import { assertCanvasImageReferenceLimit, buildGenerationConfig, canvasImageReferenceLimitError, resolveCanvasGenerationModel } from "../src/lib/canvas/canvas-project-generation";
 import { defaultModelCapabilityConfig } from "../src/lib/model-capabilities";
-import { groupModelsByDisplayName, modelCompatibilityError, modelGroupReferenceLimits, resolveCompatibleModel } from "../src/lib/model-selection";
+import { groupModelsByDisplayName, modelCompatibilityError, modelGroupReferenceLimits, resolveCompatibleModel, resolveModelGenerationDefaults } from "../src/lib/model-selection";
 import { defaultConfig, type AiConfig, type ModelChannel } from "../src/stores/use-config-store";
 import { CanvasNodeType, type CanvasConnection, type CanvasNodeData } from "../src/types/canvas";
 
@@ -53,6 +53,82 @@ function node(id: string, type: CanvasNodeType, generationMode?: "image" | "vide
 }
 
 describe("逻辑模型选择", () => {
+    test("图片逻辑模型忽略全局视频时长，不应显示为不支持当前时长", () => {
+        const model = "platform::gpt-image-2";
+        const channel: ModelChannel = {
+            id: "platform",
+            name: "平台模型",
+            baseUrl: "/api",
+            apiKey: "system",
+            apiFormat: "openai",
+            scope: "system",
+            enabled: true,
+            models: ["gpt-image-2"],
+            modelCosts: [{
+                model: "gpt-image-2",
+                displayName: "GPT Image 2",
+                capability: "image",
+                billingMode: "fixed_request",
+                unitPriceMicrocredits: 1,
+                logicalCapabilitySpec: {
+                    version: 1,
+                    capability: "image",
+                    options: { size: { values: ["1:1", "3:2"] } },
+                },
+            }],
+        };
+        const config: AiConfig = {
+            ...defaultConfig,
+            channels: [channel],
+            models: [model],
+            imageModels: [model],
+            imageModel: model,
+            model,
+        };
+
+        expect(modelCompatibilityError(config, model, {
+            capability: "image",
+            input: { textCount: 1, imageCount: 0, videoCount: 0, audioCount: 0, characterCount: 0 },
+            videoSeconds: "6",
+            imageSize: "3:2",
+            options: { size: "3:2" },
+        })).toBe("");
+    });
+
+    test("后台图片默认比例优先于旧的全局 1:1 配置", () => {
+        const model = "platform::managed-image";
+        const profile = defaultModelCapabilityConfig(undefined, "managed-image");
+        profile.image!.size = { parameter: "size", values: ["1:1", "16:9"], default: "16:9", allowCustom: false };
+        const config: AiConfig = {
+            ...defaultConfig,
+            size: "1:1",
+            channels: [{ id: "platform", name: "平台模型", baseUrl: "/api", apiKey: "system", apiFormat: "openai", scope: "system", models: ["managed-image"], modelCosts: [{ model: "managed-image", capability: "image", billingMode: "fixed_request", unitPriceMicrocredits: 1, logicalModelId: "managed-image", logicalCapabilitySpec: { version: 1, capability: "image" }, capabilityConfig: profile }] }],
+            models: [model],
+            imageModels: [model],
+            imageModel: model,
+            model,
+        };
+
+        expect(resolveModelGenerationDefaults(config, model, "image", {}, { size: "1:1" }).size).toBe("16:9");
+    });
+
+    test("后台视频默认时长优先于旧的全局 6 秒配置", () => {
+        const model = "platform::managed-video";
+        const profile = defaultModelCapabilityConfig(undefined, "managed-video");
+        profile.video!.duration = { selection: "enum", values: [6, 15], default: 15 };
+        const config: AiConfig = {
+            ...defaultConfig,
+            videoSeconds: "6",
+            channels: [{ id: "platform", name: "平台模型", baseUrl: "/api", apiKey: "system", apiFormat: "openai", scope: "system", models: ["managed-video"], modelCosts: [{ model: "managed-video", capability: "video", billingMode: "per_second", unitPriceMicrocredits: 1, logicalModelId: "managed-video", logicalCapabilitySpec: { version: 1, capability: "video" }, capabilityConfig: profile }] }],
+            models: [model],
+            videoModels: [model],
+            videoModel: model,
+            model,
+        };
+
+        expect(resolveModelGenerationDefaults(config, model, "video", {}, { videoSeconds: "6" }).videoSeconds).toBe("15");
+    });
+
     test("后台标注的视频模型不因内部标识缺少视频关键词而回退", () => {
         const config = policyConfig();
         const selectedModel = config.videoModels[0]!;