test(frontend): text search e2e with txt fixture (B2)

frontend/e2e/helpers/api.ts

@@ -4,6 +4,7 @@ import { request, type APIRequestContext } from "@playwright/test";
 
 export const BASE = process.env.E2E_BASE_URL ?? "http://localhost:5173";
 export const FIXTURE_CBZ = fileURLToPath(new URL("../fixtures/e2e-sample.cbz", import.meta.url));
+export const FIXTURE_TXT = fileURLToPath(new URL("../fixtures/e2e-sample-txt.txt", import.meta.url));
 
 /** UI 登录与 API fixture 共用同一管理员凭据：E2E_ADMIN_* 优先，回落 deploy/.env 注入的 ADMIN_*。 */
 export function creds(): { user: string; pass: string } {
@@ -45,14 +46,19 @@ async function findBook(ctx: APIRequestContext, q: string): Promise<{ id: number
 }
 
 /** 幂等：书已存在直接返回 id；否则上传 fixture → 触发扫描 → 轮询等书出现（扫描是 fire-and-forget）。 */
-export async function ensureSampleBook(ctx: APIRequestContext, libName: string): Promise<number> {
-  const title = "e2e-sample";
+export async function ensureBook(
+  ctx: APIRequestContext,
+  libName: string,
+  fileName: string,
+  absPath: string,
+): Promise<number> {
+  const title = fileName.replace(/\.[a-z]+$/i, "");
   const existing = await findBook(ctx, title);
   if (existing) return existing.id;
   const libId = await ensureLibrary(ctx, libName);
   const up = await ctx.post(`/api/libraries/${libId}/upload`, {
     multipart: {
-      file: { name: "e2e-sample.cbz", mimeType: "application/zip", buffer: readFileSync(FIXTURE_CBZ) },
+      file: { name: fileName, mimeType: "application/octet-stream", buffer: readFileSync(absPath) },
     },
   });
   if (!up.ok()) throw new Error(`上传失败：HTTP ${up.status()} ${await up.text()}`);
@@ -66,3 +72,8 @@ export async function ensureSampleBook(ctx: APIRequestContext, libName: string):
     await new Promise((r) => setTimeout(r, 1000));
   }
 }
+
+/** CBZ 样本书便捷封装(auth-shelf 沿用)。 */
+export async function ensureSampleBook(ctx: APIRequestContext, libName: string): Promise<number> {
+  return ensureBook(ctx, libName, "e2e-sample.cbz", FIXTURE_CBZ);
+}