feat(*): 创作配置 - 支持 Midjourney、多图保存与自定义公告

Co-authored-by: ddcat666 <26564566+ddcat666@users.noreply.github.com>

web/test/appearance-refresh.test.ts

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+import { expect, test } from "bun:test";
+import { refreshPublicAppearance } from "../src/services/appearance-bootstrap";
+import { DEFAULT_CANVAS_APPEARANCE } from "../src/lib/canvas/agent-appearance";
+import { commitPublicAppearance, normalizePublicAppearance, useAppearanceStore } from "../src/stores/use-appearance-store";
+
+test("appearance refresh synchronizes a changed Agent name", async () => {
+    const saved = normalizePublicAppearance({ canvas: { ...DEFAULT_CANVAS_APPEARANCE, agentName: "星河助手" } });
+    await refreshPublicAppearance(async () => saved);
+    expect(useAppearanceStore.getState().appearance.canvas?.agentName).toBe("星河助手");
+});
+
+test("failed refresh preserves the last saved identity", async () => {
+    commitPublicAppearance({ canvas: { ...DEFAULT_CANVAS_APPEARANCE, agentName: "影绘" } });
+    await refreshPublicAppearance(async () => {
+        throw new Error("offline");
+    });
+    expect(useAppearanceStore.getState().appearance.canvas?.agentName).toBe("影绘");
+});
+
+test("focus and visibility refresh share one request", async () => {
+    let resolve!: (value: ReturnType<typeof normalizePublicAppearance>) => void;
+    let calls = 0;
+    const pending = new Promise<ReturnType<typeof normalizePublicAppearance>>((done) => {
+        resolve = done;
+    });
+    const fetchAppearance = async () => {
+        calls++;
+        return pending;
+    };
+    const first = refreshPublicAppearance(fetchAppearance);
+    const second = refreshPublicAppearance(fetchAppearance);
+    expect(calls).toBe(1);
+    resolve(normalizePublicAppearance({ canvas: { ...DEFAULT_CANVAS_APPEARANCE, agentName: "星河助手" } }));
+    await Promise.all([first, second]);
+    expect(useAppearanceStore.getState().appearance.canvas?.agentName).toBe("星河助手");
+});
+
+test("a late refresh cannot overwrite a newer admin save", async () => {
+    let resolve!: (value: ReturnType<typeof normalizePublicAppearance>) => void;
+    const pending = new Promise<ReturnType<typeof normalizePublicAppearance>>((done) => {
+        resolve = done;
+    });
+    const refresh = refreshPublicAppearance(async () => pending);
+    commitPublicAppearance({ canvas: { ...DEFAULT_CANVAS_APPEARANCE, agentName: "最新名称" } });
+    resolve(normalizePublicAppearance({ canvas: { ...DEFAULT_CANVAS_APPEARANCE, agentName: "旧名称" } }));
+    await refresh;
+    expect(useAppearanceStore.getState().appearance.canvas?.agentName).toBe("最新名称");
+});