feat(history): update the open view live

tests/history-preload.test.ts

@@ -0,0 +1,51 @@
+import { beforeAll, describe, expect, it, vi } from "vitest";
+import { IPC_CHANNELS } from "../src/shared/ipc";
+import type { ElectronApi } from "../src/shared/preload-api";
+import type { HistoryEntry } from "../src/shared/types";
+
+const electron = vi.hoisted(() => ({
+  api: undefined as ElectronApi | undefined,
+  listeners: new Map<string, (...args: unknown[]) => void>(),
+  on: vi.fn((channel: string, listener: (...args: unknown[]) => void) => {
+    electron.listeners.set(channel, listener);
+  }),
+  removeListener: vi.fn((channel: string, listener: (...args: unknown[]) => void) => {
+    if (electron.listeners.get(channel) === listener) {
+      electron.listeners.delete(channel);
+    }
+  })
+}));
+
+vi.mock("electron", () => ({
+  contextBridge: {
+    exposeInMainWorld: (_name: string, api: ElectronApi) => {
+      electron.api = api;
+    }
+  },
+  ipcRenderer: {
+    invoke: vi.fn(),
+    on: electron.on,
+    removeListener: electron.removeListener,
+    send: vi.fn()
+  }
+}));
+
+describe("history preload contract", () => {
+  beforeAll(async () => {
+    await import("../src/preload/preload");
+  });
+
+  it("subscribes to saved history entries and removes the exact listener", () => {
+    const received: HistoryEntry[] = [];
+    const entry = { id: "history-live" } as HistoryEntry;
+    const unsubscribe = electron.api?.onHistoryEntryAdded((value) => received.push(value));
+    const listener = electron.listeners.get(IPC_CHANNELS.HISTORY_ENTRY_ADDED);
+
+    expect(listener).toBeTypeOf("function");
+    listener?.({}, entry);
+    expect(received).toEqual([entry]);
+
+    unsubscribe?.();
+    expect(electron.removeListener).toHaveBeenCalledWith(IPC_CHANNELS.HISTORY_ENTRY_ADDED, listener);
+  });
+});