test: pin the acp-agent.js exports of the v2 agent branch

Keeps isLoginRequiredText re-exported from acp-agent.js after its move to
result-end.ts, and adds the names the v2 agent imports from acp-agent.js
(AUTONOMOUS_RESULT_ORIGINS, getAvailableSlashCommands, isAbortedResult)
to the pinned list.

Co-Authored-By: Claude <noreply@anthropic.com>

src/acp-agent.ts

@@ -464,6 +464,8 @@ export {
   MODEL_CONFIG_ID,
   resolveModelPreference,
 } from "./session-model.js";
+// Moved to result-end.ts; kept as an export for consumers that deep-import dist/acp-agent.js.
+export { isLoginRequiredText } from "./result-end.js";
 
 /** Claude CLI emits this synthetic result when an interrupted cycle ends on
  *  queued user input before producing any assistant content. It is a hand-off

src/tests/module-exports.test.ts

@@ -32,6 +32,7 @@ describe("module runtime exports", () => {
   it("acp-agent.ts exports the expected names", async () => {
     expect(Object.keys(await import("../acp-agent.js")).sort()).toEqual([
       "AGENT_CONFIG_ID",
+      "AUTONOMOUS_RESULT_ORIGINS",
       "BUILTIN_AGENT_NAMES",
       "ClaudeAcpAgent",
       "DEFAULT_AGENT_ID",
@@ -49,6 +50,8 @@ describe("module runtime exports", () => {
       "createFastModeConfigOption",
       "discoverCustomAgents",
       "fastModeStateEnabled",
+      "getAvailableSlashCommands",
+      "isAbortedResult",
       "isLocalCommandMetadata",
       "isLoginRequiredText",
       "isReplayHiddenMetaMessage",