test(hooks): restore module mock cleanup

src/hooks/anthropic-context-window-limit-recovery/aggressive-truncation-strategy.test.ts

@@ -1,5 +1,5 @@
 /// <reference types="bun-types" />
-import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test"
+import { afterAll, afterEach, beforeEach, describe, expect, mock, test } from "bun:test"
 
 import type { AutoCompactState } from "./types"
 
@@ -38,6 +38,10 @@ mock.module("../../features/hook-message-injector", () => ({
 import { _resetForTesting as resetSessionState, updateSessionAgent } from "../../features/claude-code-session-state/state"
 import { runAggressiveTruncationStrategy } from "./aggressive-truncation-strategy"
 
+afterAll(() => {
+  mock.restore()
+})
+
 type FakeClient = {
   session: {
     promptAsync: (input: PromptAsyncCall) => Promise<unknown>