-- Independent diagnostic tables in the Lastleg schema. No business fact/queue writes.
-- Run only after explicit TEST SQL approval. Not executed by service startup.
CREATE TABLE ll_selfop_quantity_diagnostic_session (
  diagnostic_session_id VARCHAR(128) NOT NULL COMMENT '固定有界数量诊断会话标识',
  configuration_hash CHAR(64) NOT NULL COMMENT '冻结授权范围的SHA256摘要',
  source_account VARCHAR(64) NOT NULL COMMENT '来源账号别名，不保存凭据',
  collection_session_id VARCHAR(128) NULL COMMENT '被观察的来源采集会话标识',
  root_task_id VARCHAR(128) NULL COMMENT '被观察的账号采集根任务标识',
  starts_at VARCHAR(40) NOT NULL COMMENT '诊断开始时刻，ISO8601 UTC字符串',
  expires_at VARCHAR(40) NOT NULL COMMENT '诊断截止时刻，首个LIST观测后最多4小时且授权后最多10小时，ISO8601 UTC字符串',
  accepted_orders INT NOT NULL DEFAULT 0 COMMENT '已接收完整配对订单数，跨重启累计',
  accepted_sku_rows INT NOT NULL DEFAULT 0 COMMENT '两侧已保留SKU行数，跨重启累计',
  accepted_bytes BIGINT NOT NULL DEFAULT 0 COMMENT '已持久化白名单规范JSON的UTF8字节数',
  stop_reason VARCHAR(64) NULL COMMENT '诊断终止原因，空值表示尚未终止',
  active_slot INT NULL COMMENT '当前授权占位，终态释放；旧证据不自动授权',
  state_json LONGTEXT NULL COMMENT '新授权的持久生命周期；NULL仅表示未参与此协议的历史证据',
  UNIQUE KEY uq_qdiag_active (source_account, active_slot),
  CONSTRAINT chk_qdiag_active CHECK (active_slot IS NULL OR active_slot = 1),
  PRIMARY KEY (diagnostic_session_id),
  CONSTRAINT chk_selfop_qdiag_limits CHECK (accepted_orders BETWEEN 0 AND 100
    AND accepted_sku_rows BETWEEN 0 AND 2000 AND accepted_bytes BETWEEN 0 AND 2097152)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin COMMENT='独立数量对照诊断会话，重启不重置限额';

CREATE TABLE ll_selfop_quantity_diagnostic_order (
  diagnostic_session_id VARCHAR(128) NOT NULL COMMENT '所属固定诊断会话标识',
  order_key_hash CHAR(64) NOT NULL COMMENT '账号、仓库、货主、出库单业务键的SHA256摘要',
  source_account VARCHAR(64) NOT NULL COMMENT '来源账号别名',
  warehouse_code VARCHAR(64) NOT NULL COMMENT '来源仓库编码',
  owner_code VARCHAR(128) NOT NULL COMMENT '来源货主编码',
  order_no VARCHAR(128) NOT NULL COMMENT '来源出库单号',
  payload_hash CHAR(64) NOT NULL COMMENT '白名单规范载荷SHA256摘要，用于幂等校验',
  comparison VARCHAR(40) NOT NULL COMMENT 'SKU集合与三类数量比较结果',
  sku_rows INT NOT NULL COMMENT '本单两侧较大的SKU行数；两侧累计额度由会话约束',
  payload_bytes INT NOT NULL COMMENT '本单白名单规范JSON的UTF8字节数',
  evidence_json JSON NOT NULL COMMENT '类型化列表与详情观测及SKU三量证据，不含原始响应或收件信息',
  received_at VARCHAR(40) NOT NULL COMMENT '接收时刻，ISO8601 UTC字符串',
  PRIMARY KEY (diagnostic_session_id, order_key_hash),
  CONSTRAINT fk_selfop_qdiag_session FOREIGN KEY (diagnostic_session_id)
    REFERENCES ll_selfop_quantity_diagnostic_session(diagnostic_session_id),
  CONSTRAINT chk_selfop_qdiag_order_limits CHECK (sku_rows BETWEEN 1 AND 200
    AND payload_bytes BETWEEN 1 AND 262144)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin COMMENT='独立配对订单数量诊断证据，不参与销量发布';

CREATE TABLE ll_selfop_quantity_diagnostic_pending (
 diagnostic_session_id VARCHAR(128) NOT NULL,
 order_key_hash CHAR(64) NOT NULL,
 warehouse_code VARCHAR(64) NOT NULL,
 owner_code VARCHAR(128) NOT NULL,
 order_no VARCHAR(128) NOT NULL,
 evidence_json LONGTEXT NOT NULL,
 PRIMARY KEY(diagnostic_session_id,order_key_hash),
 FOREIGN KEY(diagnostic_session_id) REFERENCES ll_selfop_quantity_diagnostic_session(diagnostic_session_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin COMMENT='首次LIST白名单证据；配对后同事务移至最终证据表';