diff --git a/scripts/test_force_recall_long_task_preflight.mjs b/scripts/test_force_recall_long_task_preflight.mjs
new file mode 100644
index 0000000..3b64fec
--- /dev/null
+++ b/scripts/test_force_recall_long_task_preflight.mjs
@@ -0,0 +1,70 @@
+#!/usr/bin/env node
+import assert from 'node:assert/strict';
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import { pathToFileURL } from 'node:url';
+import { stripTypeScriptTypes } from 'node:module';
+
+const __dirname = path.dirname(new URL(import.meta.url).pathname);
+const repoRoot = path.resolve(__dirname, '..');
+const handlerPath = path.join(repoRoot, 'hooks', 'force-recall', 'handler.ts');
+const wrapperPath = path.join(repoRoot, 'scripts', 'long_task_governor_wrapper.mjs');
+
+async function importTsModule(tsPath) {
+  const source = await fs.readFile(tsPath, 'utf8');
+  const jsSource = stripTypeScriptTypes(source, { mode: 'strip' });
+  const dataUrl = `data:text/javascript;charset=utf-8,${encodeURIComponent(jsSource)}\n//# sourceURL=${encodeURIComponent(pathToFileURL(tsPath).href)}`;
+  return import(dataUrl);
+}
+
+async function main() {
+  await fs.access(wrapperPath);
+  const { default: forceRecall } = await importTsModule(handlerPath);
+  assert.equal(typeof forceRecall, 'function', 'force-recall handler should export default function');
+
+  const requestText = [
+    'Please inspect the workspace files and verify the hook injection path.',
+    'I need you to review the behavior, choose the final accept/reject decision,',
+    'and continue in background with a follow-up later.',
+  ].join(' ');
+
+  const event = {
+    type: 'message',
+    action: 'preprocessed',
+    context: {
+      workspaceDir: repoRoot,
+      body: requestText,
+      bodyForAgent: requestText,
+    },
+  };
+
+  await forceRecall(event);
+
+  const injected = event.context?.bodyForAgent;
+  assert.equal(typeof injected, 'string', 'event.context.bodyForAgent should be a string after handler runs');
+
+  const expectedSnippets = [
+    '[LONG_TASK_GOVERNOR_PREFLIGHT]',
+    'classification=long_task',
+    'silentLaunchOk=false',
+    'handoff.mode=button_path',
+    'HARD_GATE:',
+  ];
+
+  for (const snippet of expectedSnippets) {
+    assert.match(injected, new RegExp(snippet.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')), `missing snippet: ${snippet}`);
+  }
+
+  const summary = {
+    ok: true,
+    checked: expectedSnippets,
+    bodyPreview: injected.split('\n').slice(0, 20),
+  };
+
+  process.stdout.write(JSON.stringify(summary, null, 2) + '\n');
+}
+
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});