refactor!: rename chat providers to channels

src/infra/channel-activity.test.ts

@@ -0,0 +1,55 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+
+import {
+  getChannelActivity,
+  recordChannelActivity,
+  resetChannelActivityForTest,
+} from "./channel-activity.js";
+
+describe("channel activity", () => {
+  beforeEach(() => {
+    resetChannelActivityForTest();
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date("2026-01-08T00:00:00Z"));
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it("records inbound/outbound separately", () => {
+    recordChannelActivity({ channel: "telegram", direction: "inbound" });
+    vi.advanceTimersByTime(1000);
+    recordChannelActivity({ channel: "telegram", direction: "outbound" });
+    const res = getChannelActivity({ channel: "telegram" });
+    expect(res.inboundAt).toBe(1767830400000);
+    expect(res.outboundAt).toBe(1767830401000);
+  });
+
+  it("isolates accounts", () => {
+    recordChannelActivity({
+      channel: "whatsapp",
+      accountId: "a",
+      direction: "inbound",
+      at: 1,
+    });
+    recordChannelActivity({
+      channel: "whatsapp",
+      accountId: "b",
+      direction: "inbound",
+      at: 2,
+    });
+    expect(getChannelActivity({ channel: "whatsapp", accountId: "a" })).toEqual(
+      {
+        inboundAt: 1,
+        outboundAt: null,
+      },
+    );
+    expect(getChannelActivity({ channel: "whatsapp", accountId: "b" })).toEqual(
+      {
+        inboundAt: 2,
+        outboundAt: null,
+      },
+    );
+  });
+});