feat: expose bot task progress

test/acp-client.test.ts

@@ -1,7 +1,9 @@
 import assert from "node:assert/strict";
+import { spawn } from "node:child_process";
+import path from "node:path";
 import test from "node:test";
 import type { RequestPermissionRequest } from "@agentclientprotocol/sdk";
-import { decidePermission } from "../src/acp/client.js";
+import { AcpClient, decidePermission } from "../src/acp/client.js";
 
 const request = (rawInput: unknown, overrides: Partial<RequestPermissionRequest["toolCall"]> = {}): RequestPermissionRequest => ({
   sessionId: "session",
@@ -30,3 +32,22 @@ test("permission deny and allowlist fail closed", () => {
   assert.deepEqual(decidePermission(request("git status", { name: undefined, title: "bash git status" }), unanchored).outcome, { outcome: "selected", optionId: "reject" });
   assert.deepEqual(decidePermission(request({ command: "git status", env: { PATH: "/tmp" } }), unanchored).outcome, { outcome: "selected", optionId: "reject" });
 });
+
+test("reports activity for every update from the active session", async () => {
+  const child = spawn(process.execPath, [path.resolve("test/fixtures/fake-acp-agent.mjs")], { stdio: ["pipe", "pipe", "pipe"] });
+  let activities = 0;
+  const client = new AcpClient(child, {
+    initializeTimeoutMs: 1_000,
+    policy: { mode: "deny", allowedTools: [], allowedCommandPatterns: [] },
+    onSessionActivity: () => { activities++; }
+  });
+  try {
+    await client.initialize();
+    await client.newSession(path.resolve("."));
+    assert.equal(await client.prompt("activity"), "firstsecond");
+    assert.equal(activities, 2);
+  } finally {
+    client.close();
+    child.kill("SIGTERM");
+  }
+});