diff --git a/output/appointment-gray-release/preflight.json b/output/appointment-gray-release/preflight.json
new file mode 100644
index 00000000..84c1d023
--- /dev/null
+++ b/output/appointment-gray-release/preflight.json
@@ -0,0 +1,26 @@
+{
+  "scope": [
+    "admin-web",
+    "firstleg",
+    "lastleg-service"
+  ],
+  "databaseAuthorized": true,
+  "schemaPreflight": {
+    "appointmentRows": 0,
+    "itemRows": 0,
+    "permissionConflicts": 0,
+    "adminRoleCount": 1,
+    "affectedAdminSubjects": 1
+  },
+  "targets": {
+    "backend": "7fd7699f6",
+    "admin": "73c29f5"
+  },
+  "sourceEquivalence": {
+    "backendMergeTreeMatchesTestedSource": true,
+    "adminMergeTreeMatchesTestedSource": true
+  },
+  "sqlExecuted": false,
+  "deployed": false,
+  "pending": "explicit approval for two isolated remote release branches required by repository instructions; main rejects direct pushes"
+}
\ No newline at end of file
diff --git a/output/appointment-gray-release/review-schema-permissions.sql b/output/appointment-gray-release/review-schema-permissions.sql
new file mode 100644
index 00000000..c8a1d26c
--- /dev/null
+++ b/output/appointment-gray-release/review-schema-permissions.sql
@@ -0,0 +1,35 @@
+-- REVIEW ONLY: gray appointment schema and platform administrator permissions.
+-- Execute only with explicit gray SQL authorization, after verifying both appointment tables remain empty.
+-- No DROP TABLE, DELETE, TRUNCATE, or business-data backfill.
+-- DDL auto-commits; stop immediately on any error. Do not use mysql --force.
+USE baiyue_lastleg;
+ALTER TABLE ll_inbound_fba_appointment
+  DROP INDEX uk_ll_fba_appointment_no,
+  DROP INDEX idx_ll_fba_appointment_list,
+  DROP COLUMN customer_id,
+  ADD COLUMN appointment_end_at DATETIME(3) NULL COMMENT '预约结束时间，未明确时为空' AFTER appointment_at,
+  ADD COLUMN version INT NOT NULL DEFAULT 0 COMMENT '并发版本' AFTER appointment_end_at,
+  ADD UNIQUE KEY uk_ll_fba_appointment_no (appointment_no),
+  ADD KEY idx_ll_fba_appointment_list (appointment_at, appointment_status, fba_warehouse_code);
+ALTER TABLE ll_inbound_fba_appointment_item
+  ADD COLUMN customer_id VARCHAR(128) NOT NULL COMMENT '本票货物客户ID' AFTER appointment_id,
+  ADD KEY idx_ll_fba_appointment_item_cargo (line_id, appointment_id);
+USE baiyue_iam;
+START TRANSACTION;
+INSERT INTO iam_permission
+  (id,tenant_id,app_code,permission_type,parent_id,permission_code,permission_name,route_path,http_method,sort_no,status,built_in,deleted)
+VALUES
+  (5107280,0,'PLATFORM','MENU',0,'platform:appointment:list','预约列表','/appointment-calendar','GET',740,'ACTIVE',1,0),
+  (5107281,0,'PLATFORM','BUTTON',5107280,'platform:appointment:delete','删除预约',NULL,'DELETE',741,'ACTIVE',1,0);
+INSERT INTO iam_role_permission (tenant_id,role_id,permission_id,created_at)
+SELECT 0,r.id,p.id,NOW(3) FROM iam_role r CROSS JOIN iam_permission p
+WHERE r.id=4000001 AND r.tenant_id=0 AND r.role_code='PLATFORM_ADMIN' AND r.status='ACTIVE' AND r.deleted=0
+AND p.id IN (5107280,5107281);
+INSERT INTO iam_security_subject_version (auth_user_id,permission_version,updated_at)
+SELECT DISTINCT u.auth_user_id,1,NOW(3)
+FROM iam_membership_role mr
+JOIN iam_membership m ON m.id=mr.membership_id AND m.tenant_id=mr.tenant_id
+JOIN iam_user u ON u.id=m.user_id
+WHERE mr.tenant_id=0 AND mr.role_id=4000001 AND m.deleted=0 AND u.deleted=0
+ON DUPLICATE KEY UPDATE permission_version=permission_version+1,updated_at=NOW(3);
+COMMIT;