diff --git a/scripts/agentctl_console.py b/scripts/agentctl_console.py
index a2461a92..ba2bf0bc 100644
--- a/scripts/agentctl_console.py
+++ b/scripts/agentctl_console.py
@@ -10,6 +10,7 @@ import argparse
 import contextlib
 import json
 import mimetypes
+import os
 import re
 import tempfile
 import threading
@@ -177,8 +178,9 @@ def integrate_prepare(repo: ac.Repo, args) -> dict:
     _register_integrate_task(integ_path, integrate_id, owner=task.get('owner') or 'Cursor')
     integ_repo = ac.Repo(str(integ_path))
     integ_task = ac.task_row(integ_repo, integrate_id)
-    request_id = getattr(args, 'request_id', None) or f"{integrate_id}-prepare"
+    request_id = getattr(args, 'request_id', None) or f"{integrate_id}-prepare-{uuid.uuid4().hex[:8]}"
     msg = f"merge: candidate {args.task} into dev"
+    # New request_id when recovering after a failed fence-less attempt.
     with ac.Lease(integ_repo, integ_task, ['path:.', 'git:index', 'git:dev'],
                   request_id, ac.digest(msg + expected + task_branch), kind='integrate_prepare') as lease:
         if lease.replay:
@@ -191,12 +193,25 @@ def integrate_prepare(repo: ac.Repo, args) -> dict:
                 'head': head,
                 'expected_dev': expected,
             }
-        result = ac.git(integ_path, 'merge', '--no-ff', '-m', msg, task_branch, check=False)
-        if result.returncode != 0:
+        # Merge commit must run with AGENTCTL_* fence (pre-commit hook), same as integrate().
+        env = os.environ.copy()
+        env.update(
+            AGENTCTL_RUN_ID=lease.request_id,
+            AGENTCTL_TASK_ID=integrate_id,
+            AGENTCTL_GENERATION=str(lease.row['generation']),
+            AGENTCTL_EPOCH=integ_repo.identity()['epoch'],
+            AGENTCTL_FENCE=str(lease.row.get('fence') or 0),
+        )
+        code, orphan = ac.supervise(
+            integ_repo, lease,
+            ['git', 'merge', '--no-ff', '-m', msg, task_branch],
+            integ_path, env,
+        )
+        if code or orphan:
             with contextlib.suppress(Exception):
                 ac.git(integ_path, 'merge', '--abort', check=False)
-            lease.finish(1, True)
-            ac.deny('GIT_ERROR', 'merge --no-ff failed', stderr=(result.stderr or '')[:500])
+            lease.finish(code or 1, True)
+            ac.deny('GIT_ERROR', 'merge --no-ff failed', exit_code=code, orphan=bool(orphan))
         head = ac.git(integ_path, 'rev-parse', 'HEAD')
         first_parent = ac.git(integ_path, 'rev-parse', 'HEAD^1')
         if first_parent != expected: