fix(k1): admit start after reopened standby

src/k1link/device_plugins/xgrids_k1/physical_command_ledger.py

@@ -3820,13 +3820,21 @@ def _is_reopened_classified_stop_standby_settlement(
 ) -> bool:
     """Accept one fresh READY that settles a reopened READY-classified STOP."""
 
-    classification = _prepared_stop_classification(record)
+    operation_id = reconciliation.original_attempt.operation_id
+    classification = next(
+        (
+            item
+            for item in record.reconciliations
+            if item.kind == "prepared-stop-classification"
+            and item.original_attempt.operation_id == operation_id
+        ),
+        None,
+    )
     if not (
         classification is not None
         and classification.resolution == "physical-standby-observed"
         and reconciliation.kind == "resolved-active-cessation"
         and reconciliation.resolution == "physical-standby-observed"
-        and reconciliation.original_attempt.operation_id == record.operation_id
         and reconciliation.observation.session_state == "ready"
         and not reconciliation.observation.project_bound
         and not reconciliation.observation.init_ready
@@ -3837,7 +3845,7 @@ def _is_reopened_classified_stop_standby_settlement(
         for reopening in record.operator_reconciliation_reopens
         for retirement in record.operator_retirements
         if reopening.retirement_id == retirement.retirement_id
-        and retirement.original_attempt.operation_id == record.operation_id
+        and retirement.original_attempt.operation_id == operation_id
         and retirement.original_attempt.resolution == "not-dispatched"
     ]
     if settlement_index >= len(matching_reopens):

tests/test_xgrids_physical_command_ledger.py

@@ -2142,6 +2142,30 @@ def test_ready_prepared_stop_reset_reopen_accepts_fresh_ready(
         settled
     )
 
+    successor = ledger.prepare(
+        operation_id=NEXT_START_OPERATION,
+        parent_operation_id=STOP_OPERATION,
+        acquisition_id="acquisition-after-reset-fresh-ready",
+        action="start",
+        identity=IDENTITY,
+        connection=fresh_connection,
+        compatibility_profile_id="xgrids-k1-v0.6.0",
+        payload_sha256="8" * 64,
+        baseline_status=_status(
+            "ready",
+            connection=fresh_connection,
+            observed_at="2026-08-14T11:11:01.000Z",
+        ),
+    )
+
+    assert successor.revision == settled.revision + 1
+    assert successor.action == "start"
+    assert successor.stage == "prepared"
+    assert successor.parent_operation_id == STOP_OPERATION
+    assert successor.reconciliations[-1].reconciliation_id == (
+        "prepared-stop-ready-reset-fresh-ready"
+    )
+
 
 def test_scenario_reset_retires_effective_active_prepared_stop_classification(
     tmp_path: Path,