fix(assets): 统一角色卡封面选择逻辑 (#617)

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

web/test/project-character-cover.test.ts

@@ -0,0 +1,26 @@
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
+
+import { describe, expect, test } from "bun:test";
+
+import type { CharacterRepresentation } from "../src/services/api/projects";
+import { projectCharacterCover } from "../src/pages/projects/detail/project-character-cover";
+
+const characterCardSource = readFileSync(resolve(import.meta.dir, "../src/pages/projects/detail/project-character-card.tsx"), "utf8");
+const projectAssetsSource = readFileSync(resolve(import.meta.dir, "../src/pages/projects/detail/assets.tsx"), "utf8");
+
+describe("project character cover selection", () => {
+    test("prefers the front representation over an earlier side representation", () => {
+        const representations: CharacterRepresentation[] = [
+            { id: "side", resourceId: "side-image", mediaType: "image", role: "side" },
+            { id: "front", resourceId: "front-image", mediaType: "image", role: "front" },
+        ];
+
+        expect(projectCharacterCover(representations)?.resourceId).toBe("front-image");
+    });
+
+    test("uses the same cover selector for cards and the preview modal", () => {
+        expect(characterCardSource).toContain("projectCharacterCover(character?.representations)");
+        expect(projectAssetsSource).toContain("projectCharacterCover(asset?.character?.representations)");
+    });
+});