diff --git a/packages/infinity_context_server/infinity_context_server/retrieval_profile_composition.py b/packages/infinity_context_server/infinity_context_server/retrieval_profile_composition.py
index b71be507..f9167ec9 100644
--- a/packages/infinity_context_server/infinity_context_server/retrieval_profile_composition.py
+++ b/packages/infinity_context_server/infinity_context_server/retrieval_profile_composition.py
@@ -118,6 +118,7 @@ async def reconcile_active(
     ) -> ActiveReconciliationResult:
         """Renew the active lease from a bounded, restart-safe physical observation."""
 
+        reconciliation_started = monotonic()
         owner = self.runtime_owner
         if not isinstance(owner, RuntimeFenceOwner):
             raise RuntimeError("retrieval_profile_reconciliation_runtime_identity_missing")
@@ -203,9 +204,10 @@ async def reconcile_active(
         operation = await self.registry.reconciliation_operation(
             active.profile_id, runtime_owner=owner
         )
+        lease_now = now + timedelta(seconds=max(0.0, monotonic() - reconciliation_started))
         evidence = await self.registry.activation_evidence(
             active.profile_id,
-            now=now,
+            now=lease_now,
             reconciliation_operation=operation,
             runtime_owner=owner,
         )
@@ -215,8 +217,8 @@ async def reconcile_active(
             evidence,
             operation=operation,
             runtime_owner=owner,
-            now=now,
-            expires_at=now + lease_ttl,
+            now=lease_now,
+            expires_at=lease_now + lease_ttl,
             drifted=not decision.accepted,
             mutation_epoch=mutation_epoch,
         )
diff --git a/tests/e2e/test_locator_lane_lease_continuity_postgres.py b/tests/e2e/test_locator_lane_lease_continuity_postgres.py
index 2e5ce181..8b46f3c8 100644
--- a/tests/e2e/test_locator_lane_lease_continuity_postgres.py
+++ b/tests/e2e/test_locator_lane_lease_continuity_postgres.py
@@ -161,14 +161,18 @@ async def attest(*_args, **_kwargs):
             observation_now = current.expires_at - renew_before / 2
             assert timedelta(0) < current.expires_at - observation_now < renew_before
             await assert_ready()
+            requested_now = observation_now
             result = await service.reconcile_active(
                 now=observation_now, lease_ttl=lease_ttl, renew_before=renew_before
             )
             assert result.complete and result.renewed and result.outcome == "applied"
-            renewed = await assert_ready()
+            renewed = await registry.active_lease(now=observation_now)
+            assert renewed is not None
             assert renewed.lease_id != current.lease_id
-            assert renewed.issued_at == observation_now
-            assert renewed.expires_at == observation_now + lease_ttl
+            assert renewed.issued_at >= requested_now
+            assert renewed.expires_at - renewed.issued_at == lease_ttl
+            observation_now = renewed.issued_at
+            await assert_ready()
             assert renewed.expires_at > current.expires_at
         assert writes == ["postgres_keyword", "qdrant_dense"] * 3
         async with engine.connect() as connection:
diff --git a/tests/server/test_active_reconciliation_identity.py b/tests/server/test_active_reconciliation_identity.py
index a2ba3d3c..d854b8e7 100644
--- a/tests/server/test_active_reconciliation_identity.py
+++ b/tests/server/test_active_reconciliation_identity.py
@@ -65,6 +65,25 @@ def test_active_reconciliation_binds_exact_runtime_release_and_lifecycle_identit
     assert observed_operations == ["reconcile-1", "reconcile-3"]
 
 
+def test_active_reconciliation_starts_lease_after_slow_attestation(monkeypatch) -> None:
+    owner = _owner("generation-current")
+    registry = _Registry(owner)
+    service = _service(owner, registry)
+    _accept_attestation(monkeypatch)
+    ticks = iter((100.0, 140.0))
+    monkeypatch.setattr(
+        "infinity_context_server.retrieval_profile_composition.monotonic",
+        lambda: next(ticks),
+    )
+
+    result = asyncio.run(service.reconcile_active(now=NOW))
+
+    assert result.complete is True
+    assert result.renewed is True
+    assert registry.lease.issued_at == NOW + timedelta(seconds=40)
+    assert registry.lease.expires_at == NOW + timedelta(seconds=70)
+
+
 def test_runtime_start_and_clean_restart_are_generation_aware() -> None:
     first_owner = _owner("generation-first")
     registry = _Registry(None)