diff --git a/loopx/canary/module_metric_baseline.json b/loopx/canary/module_metric_baseline.json
index 93893d3e4d..8112dec08b 100644
--- a/loopx/canary/module_metric_baseline.json
+++ b/loopx/canary/module_metric_baseline.json
@@ -39,9 +39,6 @@
       "any_count": 25,
       "dict_any_count": 0
     },
-    "loopx/chat_store.py": {
-      "lines": 2028
-    },
     "loopx/codex_cli_probe.py": {
       "any_count": 37,
       "dict_any_count": 0
diff --git a/tests/control_plane/test_inbox_read_recovery.py b/tests/control_plane/test_inbox_read_recovery.py
index 2205055c41..80bc57e6d7 100644
--- a/tests/control_plane/test_inbox_read_recovery.py
+++ b/tests/control_plane/test_inbox_read_recovery.py
@@ -47,10 +47,15 @@ def test_interrupted_page_preserves_first_receipt_and_finishes_remaining_reads(t
             try:
                 child.stdin.write(json.dumps(payload))
                 child.stdin.close()
+                # Interrupt between request transactions. A published receipt can
+                # precede lock retirement; killing there can leave a partial claim
+                # subject to the lock owner's separate stale-claim recovery grace.
+                first_lock = owner / "request-locks" / (items[0]["request_id"] + ".ts-effect.lock")
                 deadline = time.monotonic() + 15
-                while not first.exists() and child.poll() is None and time.monotonic() < deadline:
+                while (not first.exists() or first_lock.exists()) and child.poll() is None and time.monotonic() < deadline:
                     time.sleep(0.02)
                 assert first.exists(), child.stderr.read() if child.poll() is not None else "first read was not committed"
+                assert not first_lock.exists(), "first request transaction did not release its lock"
                 assert not second.exists()
                 committed = first.read_bytes()
             finally: