using Admin.NET.Plugin.AiDOP.DataPlatform;
using Admin.NET.Plugin.AiDOP.DataPlatform.Schema;
using Admin.NET.Plugin.AiDOP.DataPlatform.Executors;
using Admin.NET.Plugin.AiDOP.Infrastructure;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using SqlSugar;

namespace Admin.NET.Plugin.AiDOP.MaterialWarehouse;

/// <summary>
/// S5 库存冷链：165 LocationDetail / InvTransHist → stg → std。
/// 余额事实源仅 LocationDetail；InvMaster 不入标准层。
/// </summary>
public sealed class InventoryMdpSyncService : ITransient
{
    /// <summary>跨实例互斥锁键；真正的取/放锁生命周期见 <see cref="InventoryInboundLockGuard"/>。</summary>
    public const string LockKey = InventoryInboundLockGuard.LockKey;
    private const string LocationEntity = "S5_LOCATION_DETAIL_SQLSERVER";
    private const string TransEntity = "S5_INV_TRANS_HIST_SQLSERVER";
    private const string SourceCodeDefault = "DOPDEMORQ_SQLSERVER";

    private readonly ISqlSugarClient _db;
    private readonly MdpSourcePullDispatcher _pullDispatcher;
    private readonly MdpSourceScopeFactory _scopeFactory;
    private readonly SourceDomainTenantResolver _domainTenant;
    private readonly AidopInventoryOptions _opt;
    private readonly ILogger _logger;

    public InventoryMdpSyncService(
        ISqlSugarClient db,
        MdpSourcePullDispatcher pullDispatcher,
        MdpSourceScopeFactory scopeFactory,
        SourceDomainTenantResolver domainTenant,
        IOptions<AidopInventoryOptions> opt,
        ILoggerFactory loggerFactory)
    {
        _db = db;
        _pullDispatcher = pullDispatcher;
        _scopeFactory = scopeFactory;
        _domainTenant = domainTenant;
        _opt = opt.Value;
        _logger = loggerFactory.CreateLogger(nameof(InventoryMdpSyncService));
    }

    public Task<InventorySyncResult> RunBootstrapAsync(CancellationToken cancellationToken = default)
        => RunAsync(bootstrap: true, reconcile: false, cancellationToken);

    public Task<InventorySyncResult> RunIncrementalAsync(CancellationToken cancellationToken = default)
        => RunAsync(bootstrap: false, reconcile: false, cancellationToken);

    public Task<InventorySyncResult> RunReconcileFullAsync(CancellationToken cancellationToken = default)
        => RunAsync(bootstrap: false, reconcile: true, cancellationToken);

    /// <summary>
    /// 仅 stg→std：**不访问源库**。用于链路修复后，复用已完整落地的贴源层让各业务租户
    /// 按当前库位范围口径重新物化标准层。
    /// <para>
    /// 语义为 <b>FULL REPLACE</b>（逐租户、逐正式切片）：贴源层是完整历史，
    /// 只跑 UPSERT 既清不掉旧口径残留、也补不齐从未物化过的租户。
    /// 删除范围严格限定「该租户 + 当前正式 source_system + 当前 domain」，
    /// 不触碰 UAT_GENERATOR 等非正式切片。
    /// </para>
    /// </summary>
    public async Task<InventorySyncResult> TransformTransStdFromStgAsync(CancellationToken cancellationToken = default)
    {
        cancellationToken.ThrowIfCancellationRequested();
        var sourceCode = string.IsNullOrWhiteSpace(_opt.SourceCode) ? SourceCodeDefault : _opt.SourceCode.Trim();
        var domain = string.IsNullOrWhiteSpace(_opt.DefaultDomain) ? "8010" : _opt.DefaultDomain.Trim();
        var tenantId = await _domainTenant.ResolveTenantIdAsync(sourceCode, domain, cancellationToken);
        var asOf = DateTime.Now;
        var months = _opt.TransBootstrapMonths <= 0 ? 12 : _opt.TransBootstrapMonths;
        var historyFrom = asOf.Date.AddMonths(-months);
        var batchId = $"S5_INV_XFORM_{asOf:yyyyMMddHHmmss}";

        // await using：异常路径也一定走到释放（DisposeAsync 内先 RELEASE_LOCK 再关专用连接）
        await using var guard = await InventoryInboundLockGuard.TryAcquireAsync(_db, _logger, cancellationToken: cancellationToken);
        if (!guard.Acquired)
        {
            _logger.LogWarning("[InventoryMdpSync] 互斥锁占用，transform-std 本轮跳过 batch={Batch} reason={Reason}",
                batchId, guard.BusyReason);
            return new InventorySyncResult
            {
                BatchId = batchId,
                TenantId = tenantId,
                Domain = domain,
                AsOf = asOf,
                HistoryFrom = historyFrom,
                Skipped = true,
                Message = "lock busy"
            };
        }

        var targetTenants = await ListInventoryScopedTenantsAsync(domain, cancellationToken);
        if (targetTenants.Count == 0)
        {
            // fail closed：没有任何配了合法库位的租户时不写标准层，绝不回落成「按源归属租户写一份」
            _logger.LogWarning(
                "[InventoryMdpSync] domain={Domain} 无任何配置了合法库位的租户，transform-std 本轮不写入", domain);
            return new InventorySyncResult
            {
                BatchId = batchId,
                TenantId = tenantId,
                Domain = domain,
                TransStdRows = 0,
                AsOf = asOf,
                HistoryFrom = historyFrom,
                Skipped = true,
                Message = "no scoped tenant"
            };
        }

        using var xformTimeout = WithLongCommandTimeout();
        var rows = 0;
        foreach (var targetTenantId in targetTenants)
        {
            cancellationToken.ThrowIfCancellationRequested();
            var n = await MdpStdFullReplace.ReplaceAsync(
                _db,
                "mdp_std_inv_trans",
                targetTenantId,
                FormalSliceWhere(sourceCode, domain),
                () => MaterializeInvTransStdAsync(
                    tenantId, targetTenantId, batchId: null, asOf, historyFrom, sourceCode),
                cancellationToken);
            rows += n;
            _logger.LogInformation(
                "[InventoryMdpSync] transform-std materialized tenant={Tenant} domain={Domain} rows={Rows}",
                targetTenantId, domain, n);
        }

        _logger.LogInformation(
            "[InventoryMdpSync] transform-std done source={Source} tenants={Cnt} rows={Rows}",
            tenantId, targetTenants.Count, rows);
        return new InventorySyncResult
        {
            BatchId = batchId,
            TenantId = tenantId,
            Domain = domain,
            TransStdRows = rows,
            AsOf = asOf,
            HistoryFrom = historyFrom,
            Message = "OK transform-std"
        };
    }

    /// <summary>
    /// 仅 stg→std（库存余额）：**不访问源库**，从一个已完整落地的贴源批次重新物化标准层。
    /// <para>
    /// 用途：同步链路修复后，复用既有完整 stg 批次让各租户按新的库位范围口径重新物化，
    /// 避免为此重新全量拉取源库。
    /// </para>
    /// <para>
    /// 语义为 <b>UPSERT，不做 FULL REPLACE</b>：只按业务键写入/更新本批次覆盖到的行，
    /// 不删除任何既有标准层数据 —— 单个增量批次不代表全量，replace 会造成数据丢失。
    /// 因此本入口<b>不负责</b>清理历史脏快照，那属于全量校准（reconcile）的职责。
    /// </para>
    /// </summary>
    /// <param name="stgBatchId">贴源批次号（sync_batch_id），必须是已完整落地的批次。</param>
    public async Task<InventorySyncResult> TransformInventoryStdFromStgAsync(
        string stgBatchId, CancellationToken cancellationToken = default)
    {
        cancellationToken.ThrowIfCancellationRequested();
        if (string.IsNullOrWhiteSpace(stgBatchId)
            || !System.Text.RegularExpressions.Regex.IsMatch(stgBatchId, @"^[A-Za-z0-9_]+$"))
            throw new InvalidOperationException("非法贴源批次号");

        var sourceCode = string.IsNullOrWhiteSpace(_opt.SourceCode) ? SourceCodeDefault : _opt.SourceCode.Trim();
        var domain = string.IsNullOrWhiteSpace(_opt.DefaultDomain) ? "8010" : _opt.DefaultDomain.Trim();
        var sourceTenantId = await _domainTenant.ResolveTenantIdAsync(sourceCode, domain, cancellationToken);
        var asOf = DateTime.Now;

        // 本入口同样写 mdp_std_inventory，必须与 bootstrap/reconcile/incremental 互斥（原实现漏取锁）
        await using var guard = await InventoryInboundLockGuard.TryAcquireAsync(_db, _logger, cancellationToken: cancellationToken);
        if (!guard.Acquired)
        {
            _logger.LogWarning("[InventoryMdpSync] 互斥锁占用，transform-inventory-std 本轮跳过 batch={Batch} reason={Reason}",
                stgBatchId, guard.BusyReason);
            return new InventorySyncResult
            {
                BatchId = stgBatchId,
                TenantId = sourceTenantId,
                Domain = domain,
                AsOf = asOf,
                Skipped = true,
                Message = "lock busy"
            };
        }

        var stgRows = await _db.Ado.GetIntAsync(
            """
            SELECT COUNT(1) FROM mdp_stg_inventory
            WHERE tenant_id=@TenantId AND source_system=@SourceSystem
              AND source_table='LocationDetail' AND sync_batch_id=@BatchId
            """,
            new List<SugarParameter>
            {
                new("@TenantId", sourceTenantId),
                new("@SourceSystem", sourceCode),
                new("@BatchId", stgBatchId)
            });
        if (stgRows == 0)
            throw new InvalidOperationException(
                $"贴源批次为空或不属于源归属租户：batch={stgBatchId}, sourceTenant={sourceTenantId}");

        var targetTenants = await ListInventoryScopedTenantsAsync(domain, cancellationToken);
        var total = 0;
        foreach (var targetTenantId in targetTenants)
        {
            cancellationToken.ThrowIfCancellationRequested();
            var rows = await InsertInventoryStdAsync(
                targetTenantId, sourceTenantId, stgBatchId, asOf, sourceCode, replaceMode: false);
            total += rows;
            _logger.LogInformation(
                "[InventoryMdpSync] std re-materialized from stg tenant={Tenant} domain={Domain} batch={Batch} rows={Rows}",
                targetTenantId, domain, stgBatchId, rows);
        }

        return new InventorySyncResult
        {
            BatchId = stgBatchId,
            TenantId = sourceTenantId,
            Domain = domain,
            InventoryStdRows = total,
            AsOf = asOf,
            Message = $"OK transform-inventory-std from stg (stgRows={stgRows}, tenants={targetTenants.Count})"
        };
    }

    /// <summary>
    /// 将指定租户已存在的全部库存交易贴源批次转换到标准层。
    /// 供租户级模块重算使用，不拉外部源，也不依赖默认 Domain→Tenant 映射。
    /// </summary>
    public async Task<int> TransformTransStdFromStgAsync(
        long tenantId, CancellationToken cancellationToken = default)
    {
        if (tenantId <= 0) throw new ArgumentOutOfRangeException(nameof(tenantId));
        cancellationToken.ThrowIfCancellationRequested();
        var sources = await _db.Ado.SqlQueryAsync<InventoryStageSourceRow>(
            """
            SELECT DISTINCT source_system AS SourceSystem
            FROM mdp_stg_inv_trans
            WHERE tenant_id=@TenantId
              AND source_table='InvTransHist'
              AND NULLIF(TRIM(source_system),'') IS NOT NULL
            """,
            new SugarParameter("@TenantId", tenantId));
        var asOf = DateTime.Now;
        var months = _opt.TransBootstrapMonths <= 0 ? 12 : _opt.TransBootstrapMonths;
        var historyFrom = asOf.Date.AddMonths(-months);
        var affected = 0;
        foreach (var source in sources)
        {
            cancellationToken.ThrowIfCancellationRequested();
            if (string.IsNullOrWhiteSpace(source.SourceSystem)) continue;
            affected += await MaterializeInvTransStdAsync(
                tenantId, tenantId, batchId: null, asOf, historyFrom, source.SourceSystem);
        }
        return affected;
    }

    private async Task<InventorySyncResult> RunAsync(bool bootstrap, bool reconcile, CancellationToken cancellationToken)
    {
        cancellationToken.ThrowIfCancellationRequested();
        var sourceCode = string.IsNullOrWhiteSpace(_opt.SourceCode) ? SourceCodeDefault : _opt.SourceCode.Trim();
        var domain = string.IsNullOrWhiteSpace(_opt.DefaultDomain) ? "8010" : _opt.DefaultDomain.Trim();
        // 源归属租户：只决定贴源层(stg)落在谁名下，**不代表业务归属**；
        // 业务归属在标准层物化时按各租户 LocationMaster 库位范围投影决定。
        var tenantId = await _domainTenant.ResolveTenantIdAsync(sourceCode, domain, cancellationToken);
        var asOf = DateTime.Now;
        var batchId = $"S5_INV_{(bootstrap ? "BOOT" : reconcile ? "RECON" : "INCR")}_{asOf:yyyyMMddHHmmss}";
        var months = _opt.TransBootstrapMonths <= 0 ? 12 : _opt.TransBootstrapMonths;
        var historyFrom = asOf.Date.AddMonths(-months);

        // await using：异常路径也一定走到释放（DisposeAsync 内先 RELEASE_LOCK 再关专用连接）
        await using var guard = await InventoryInboundLockGuard.TryAcquireAsync(_db, _logger, cancellationToken: cancellationToken);
        if (!guard.Acquired)
        {
            _logger.LogWarning("[InventoryMdpSync] 跨实例锁占用，本轮跳过 batch={Batch} reason={Reason}", batchId, guard.BusyReason);
            return new InventorySyncResult
            {
                BatchId = batchId,
                TenantId = tenantId,
                Domain = domain,
                Bootstrap = bootstrap,
                AsOf = asOf,
                HistoryFrom = historyFrom,
                Skipped = true,
                Message = "lock busy"
            };
        }

        var upperLoc = await CaptureUpperBoundAsync(sourceCode, "LocationDetail", "UpdateTime", cancellationToken);
        var upperTrans = await CaptureUpperBoundAsync(sourceCode, "InvTransHist", "CreateTime", cancellationToken);

        MdpPullResult locPull;
        if (bootstrap || reconcile)
        {
            var locBatch = $"{batchId}_LOC";
            // NULL UpdateTime 段与非 NULL 段共用同一 batchId，保证 Replace 不漏 NULL 行
            var nullCtx = BuildKeysetCtx(tenantId, locBatch, asOf, historyFrom, upperLoc,
                cursorColumn: "UpdateTime", nullPhase: true, bootstrapFull: true);
            nullCtx.CursorValue = null;
            nullCtx.TieBreakerValue = null;
            await _pullDispatcher.PullAllByEntityCodeAsync(LocationEntity, nullCtx, cancellationToken, maxPages: 50);

            var fullCtx = BuildKeysetCtx(tenantId, locBatch, asOf, historyFrom, upperLoc,
                cursorColumn: "UpdateTime", nullPhase: false, bootstrapFull: true);
            fullCtx.CursorValue = null;
            fullCtx.TieBreakerValue = null;
            fullCtx.BootstrapFrom = null; // LocationDetail 首刷不截时间窗
            locPull = await _pullDispatcher.PullAllByEntityCodeAsync(LocationEntity, fullCtx, cancellationToken, maxPages: 200);
        }
        else
        {
            var incrCtx = BuildKeysetCtx(tenantId, $"{batchId}_LOC", asOf, historyFrom, upperLoc,
                cursorColumn: "UpdateTime", nullPhase: false, bootstrapFull: false);
            // 重叠窗口：从上次游标时间向前回退 LocationOverlapMinutes
            if (!string.IsNullOrWhiteSpace(incrCtx.CursorValue)
                && DateTime.TryParse(incrCtx.CursorValue, out var lastDt))
            {
                var overlap = Math.Max(0, _opt.LocationOverlapMinutes);
                incrCtx.CursorValue = lastDt.AddMinutes(-overlap)
                    .ToString("yyyy-MM-dd HH:mm:ss.fff");
                incrCtx.TieBreakerValue = "0";
            }
            locPull = await _pullDispatcher.PullAllByEntityCodeAsync(LocationEntity, incrCtx, cancellationToken, maxPages: 200);
        }

        // —— 标准层按租户物化：一次贴源，逐租户按各自库位范围投影 ——
        // 贴源层是「源+domain」维度（归属 sourceTenantId），标准层是「租户」维度。
        // 拉取游标持久化在 mdp_entity 上、跨租户共享，故绝不能为每个租户各拉一次。
        var targetTenants = await ListInventoryScopedTenantsAsync(domain, cancellationToken);
        if (targetTenants.Count == 0)
            _logger.LogWarning(
                "[InventoryMdpSync] domain={Domain} 无任何配置了合法库位的租户，标准层本轮不写入", domain);

        var inventoryStdRows = 0;
        foreach (var targetTenantId in targetTenants)
        {
            cancellationToken.ThrowIfCancellationRequested();
            int rows;
            if (bootstrap || reconcile)
            {
                rows = await MdpStdFullReplace.ReplaceAsync(
                    _db,
                    "mdp_std_inventory",
                    targetTenantId,
                    "source_system='DOPDEMORQ_SQLSERVER'",
                    () => InsertInventoryStdAsync(targetTenantId, tenantId, $"{batchId}_LOC", asOf, sourceCode, replaceMode: true),
                    cancellationToken);
            }
            else
            {
                rows = await InsertInventoryStdAsync(targetTenantId, tenantId, $"{batchId}_LOC", asOf, sourceCode, replaceMode: false);
            }
            inventoryStdRows += rows;
            _logger.LogInformation(
                "[InventoryMdpSync] std materialized tenant={Tenant} domain={Domain} rows={Rows}",
                targetTenantId, domain, rows);
        }

        var transCtx = BuildKeysetCtx(tenantId, $"{batchId}_TRN", asOf, historyFrom, upperTrans,
            cursorColumn: "CreateTime", nullPhase: false, bootstrapFull: bootstrap || reconcile);
        if (bootstrap || reconcile)
        {
            transCtx.CursorValue = null;
            transCtx.TieBreakerValue = null;
            transCtx.BootstrapFrom = historyFrom;
        }
        var transPull = await _pullDispatcher.PullAllByEntityCodeAsync(TransEntity, transCtx, cancellationToken, maxPages: 500);

        // —— 流水腿与余额腿同构：一次贴源，逐业务租户按各自库位范围投影 ——
        using var transTimeout = WithLongCommandTimeout();
        var transStdRows = 0;
        foreach (var targetTenantId in targetTenants)
        {
            cancellationToken.ThrowIfCancellationRequested();
            int rows;
            if (bootstrap || reconcile)
            {
                rows = await MdpStdFullReplace.ReplaceAsync(
                    _db,
                    "mdp_std_inv_trans",
                    targetTenantId,
                    FormalSliceWhere(sourceCode, domain),
                    () => MaterializeInvTransStdAsync(
                        tenantId, targetTenantId, batchId: null, asOf, historyFrom, sourceCode),
                    cancellationToken);
            }
            else
            {
                rows = await MaterializeInvTransStdAsync(
                    tenantId, targetTenantId, $"{batchId}_TRN", asOf, historyFrom, sourceCode);
            }
            transStdRows += rows;
            _logger.LogInformation(
                "[InventoryMdpSync] trans std materialized tenant={Tenant} domain={Domain} rows={Rows}",
                targetTenantId, domain, rows);
        }

        _logger.LogInformation(
            "[InventoryMdpSync] done batch={Batch} boot={Boot} recon={Recon} locPulled={LocP} invStd={Inv} trnPulled={TrnP} trnStd={Trn}",
            batchId, bootstrap, reconcile, locPull.RowsPulled, inventoryStdRows, transPull.RowsPulled, transStdRows);

        return new InventorySyncResult
        {
            BatchId = batchId,
            TenantId = tenantId,
            Domain = domain,
            Bootstrap = bootstrap,
            LocationPulled = locPull.RowsPulled,
            LocationWritten = locPull.RowsWritten,
            InventoryStdRows = inventoryStdRows,
            TransPulled = transPull.RowsPulled,
            TransWritten = transPull.RowsWritten,
            TransStdRows = transStdRows,
            AsOf = asOf,
            HistoryFrom = historyFrom,
            Message = "OK"
        };
    }

    private MdpPullContext BuildKeysetCtx(
        long tenantId,
        string batchId,
        DateTime asOf,
        DateTime historyFrom,
        (string? Cursor, string? Tie) upper,
        string cursorColumn,
        bool nullPhase,
        bool bootstrapFull)
    {
        return new MdpPullContext
        {
            TenantId = tenantId,
            BatchId = batchId,
            FullRefresh = false,
            UseKeysetCursor = true,
            CursorColumn = cursorColumn,
            TieBreakerColumn = "RecID",
            UpperCursorValue = upper.Cursor,
            UpperTieBreakerValue = upper.Tie,
            BootstrapFrom = bootstrapFull && cursorColumn == "CreateTime" ? historyFrom : null,
            DeferCursorPersist = false,
            NullTimePhase = nullPhase,
            // 首刷/校准不得继承实体脏水位，否则只会抽到「游标之后」的尾巴
            SkipPersistedKeysetCursor = bootstrapFull || nullPhase
        };
    }

    private async Task<(string? Cursor, string? Tie)> CaptureUpperBoundAsync(
        string sourceCode,
        string table,
        string cursorColumn,
        CancellationToken ct)
    {
        if (!System.Text.RegularExpressions.Regex.IsMatch(table, @"^[A-Za-z0-9_]+$")
            || !System.Text.RegularExpressions.Regex.IsMatch(cursorColumn, @"^[A-Za-z0-9_]+$"))
            throw new InvalidOperationException("非法上界查询标识符");

        var remote = await _scopeFactory.GetScopeAsync(sourceCode, ct);
        var rows = await remote.Ado.SqlQueryAsync<UpperRow>(
            $"""
             SELECT TOP 1
                    CONVERT(varchar(30), {cursorColumn}, 121) AS CursorText,
                    CAST(RecID AS varchar(30)) AS TieText
             FROM {table}
             WHERE {cursorColumn} IS NOT NULL
             ORDER BY {cursorColumn} DESC, RecID DESC
             """);
        var hit = rows.FirstOrDefault();
        return (hit?.CursorText, hit?.TieText);
    }

    /// <summary>
    /// stg → std 物化：**按目标租户的合法库位范围投影**。
    /// <para>
    /// 贴源层（stg）是「源 + domain」维度的全量落地区，归属 <paramref name="sourceTenantId"/>；
    /// 标准层（std）是「租户」维度的可见快照，因此这里必须内联 LocationMaster 做投影：
    /// 只有落在目标租户自己 LocationMaster（同 Domain 且 Typed &lt;&gt; 'Supp'）内的库位才写入。
    /// </para>
    /// <para>
    /// 写入不变量：∀ 写入行 → tenant_id = targetTenantId
    /// ∧ location ∈ AllowedLocations(targetTenantId) ∧ domain = 该租户 LocationMaster 的 Domain。
    /// 租户白名单为空 → JOIN 命中 0 行 → 写 0 条（fail closed，绝不退回整个 Domain）。
    /// </para>
    /// <para>
    /// tenant_id 直接取 <paramref name="targetTenantId"/> 而非 MdpJsonSql.TenantFromStg：
    /// 贴源行的 tenant 是「源落地区归属」，不是业务归属，不能顺着传下来。
    /// </para>
    /// </summary>
    private async Task<int> InsertInventoryStdAsync(
        long targetTenantId, long sourceTenantId, string batchId, DateTime asOf, string sourceSystem, bool replaceMode)
    {
        // replaceMode：MdpStdFullReplace 已 DELETE，直接 INSERT；
        // 增量：UPSERT 本批变化。
        var sTenant = "@TargetTenantId";
        var sql = replaceMode
            ? $"""
              INSERT INTO mdp_std_inventory
                (tenant_id, source_system, domain, location, lot_serial, item_num,
                 dimension1, dimension2, refs, site, inv_status,
                 qty_on_hand, qty_unrestricted, qty_inspection, qty_frozen, qty_available,
                 src_rec_id, source_update_time, as_of, sync_batch_id)
              SELECT
                {sTenant},
                @SourceSystem,
                IFNULL({MdpJsonSql.Str("s", "Domain")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Location")}, ''),
                IFNULL({MdpJsonSql.Str("s", "LotSerial")}, ''),
                IFNULL({MdpJsonSql.Str("s", "ItemNum")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Dimension1")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Dimension2")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Refs")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Site")}, ''),
                {MdpJsonSql.Str("s", "InvStatus")},
                IFNULL({MdpJsonSql.Dec("s", "QtyOnHand", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "AvailStatusQty", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "Assay", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "FreezeQty", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "AvailStatusQty", 18, 5)}, 0),
                s.source_row_id,
                {MdpJsonSql.DateTimeSec("s", "UpdateTime")},
                @AsOf,
                @BatchId
              FROM mdp_stg_inventory s
              {TenantScopeJoin}
              WHERE s.tenant_id=@SourceTenantId
                AND s.source_system=@SourceSystem
                AND s.source_table='LocationDetail'
                AND s.sync_batch_id=@BatchId
              """
            : $"""
              INSERT INTO mdp_std_inventory
                (tenant_id, source_system, domain, location, lot_serial, item_num,
                 dimension1, dimension2, refs, site, inv_status,
                 qty_on_hand, qty_unrestricted, qty_inspection, qty_frozen, qty_available,
                 src_rec_id, source_update_time, as_of, sync_batch_id)
              SELECT
                {sTenant},
                @SourceSystem,
                IFNULL({MdpJsonSql.Str("s", "Domain")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Location")}, ''),
                IFNULL({MdpJsonSql.Str("s", "LotSerial")}, ''),
                IFNULL({MdpJsonSql.Str("s", "ItemNum")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Dimension1")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Dimension2")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Refs")}, ''),
                IFNULL({MdpJsonSql.Str("s", "Site")}, ''),
                {MdpJsonSql.Str("s", "InvStatus")},
                IFNULL({MdpJsonSql.Dec("s", "QtyOnHand", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "AvailStatusQty", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "Assay", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "FreezeQty", 18, 5)}, 0),
                IFNULL({MdpJsonSql.Dec("s", "AvailStatusQty", 18, 5)}, 0),
                s.source_row_id,
                {MdpJsonSql.DateTimeSec("s", "UpdateTime")},
                @AsOf,
                @BatchId
              FROM mdp_stg_inventory s
              {TenantScopeJoin}
              WHERE s.tenant_id=@SourceTenantId
                AND s.source_system=@SourceSystem
                AND s.source_table='LocationDetail'
                AND s.sync_batch_id=@BatchId
              ON DUPLICATE KEY UPDATE
                inv_status=VALUES(inv_status),
                qty_on_hand=VALUES(qty_on_hand),
                qty_unrestricted=VALUES(qty_unrestricted),
                qty_inspection=VALUES(qty_inspection),
                qty_frozen=VALUES(qty_frozen),
                qty_available=VALUES(qty_available),
                src_rec_id=VALUES(src_rec_id),
                source_update_time=VALUES(source_update_time),
                as_of=VALUES(as_of),
                sync_batch_id=VALUES(sync_batch_id),
                update_time=CURRENT_TIMESTAMP
              """;

        return await _db.Ado.ExecuteCommandAsync(sql,
            new SugarParameter("@TargetTenantId", targetTenantId),
            new SugarParameter("@SourceTenantId", sourceTenantId),
            new SugarParameter("@SourceSystem", sourceSystem),
            new SugarParameter("@BatchId", batchId),
            new SugarParameter("@AsOf", asOf));
    }

    /// <summary>
    /// 租户库位范围内联投影：贴源行只有落在目标租户自己的合法库位（同 Domain、Typed &lt;&gt; 'Supp'）
    /// 才允许进入标准层。这是标准层写入侧的租户安全边界。
    /// <para>
    /// **余额腿与流水腿共用本实现**，只有贴源 JSON 里的库位字段名不同
    /// （LocationDetail 用 <c>Location</c>，InvTransHist 用 <c>Loc</c>）。
    /// 禁止再手写第二套语义略有差异的 LocationMaster JOIN。
    /// </para>
    /// </summary>
    /// <param name="locationJsonKey">贴源 raw_data 中的库位字段名。</param>
    private static string TenantScopeJoinSql(string locationJsonKey) =>
        $"""
         INNER JOIN LocationMaster lm
                 ON lm.tenant_id = @TargetTenantId
                AND lm.Domain    = IFNULL({MdpJsonSql.Str("s", "Domain")}, '')
                AND lm.location  = IFNULL({MdpJsonSql.Str("s", locationJsonKey)}, '')
                AND IFNULL(lm.typed, '') <> 'Supp'
                AND TRIM(lm.location) <> ''
         """;

    /// <summary>库存余额贴源的库位字段名。</summary>
    private static readonly string TenantScopeJoin = TenantScopeJoinSql("Location");

    /// <summary>进出存流水贴源的库位字段名（InvTransHist 用 Loc）。</summary>
    private static readonly string TransTenantScopeJoin = TenantScopeJoinSql("Loc");

    /// <summary>
    /// 库位角色左联：165 的事务码（iss-tr / rct-tr / rct-wo）单看码判不出阶段，
    /// 必须结合库位角色与数量方向，见 <see cref="NeutralTransTypeCodes.LocationRules"/>。
    /// 角色配置缺失时取 UNKNOWN —— 规则一律不成立，流水按「库位角色未配置」隔离，不猜。
    /// </summary>
    private static readonly string LocationRoleJoin =
        $"""
         LEFT JOIN mdp_location_role lr
                 ON lr.tenant_id = @TargetTenantId
                AND lr.domain    = IFNULL({MdpJsonSql.Str("s", "Domain")}, '')
                AND lr.location  = IFNULL({MdpJsonSql.Str("s", "Loc")}, '')
         """;

    /// <summary>库位角色表达式（未配置 → UNKNOWN）。</summary>
    private static readonly string LocationRoleExpr =
        $"IFNULL(lr.location_role, '{NeutralTransTypeCodes.UnknownRole}')";

    /// <summary>
    /// FULL Replace 的删除范围：**只替换「当前租户 + 当前正式源 + 当前 domain」这一份物化投影**。
    /// 绝不能只按 tenant_id 删 —— 那会连带删掉其它来源切片。
    /// UAT 名下的 UAT_GENERATOR 演示行由 1.0.565 清理，不在这次物化删除范围里。
    /// sourceSystem/domain 均来自服务端配置（<c>AidopInventoryOptions</c>），非用户输入；
    /// 仍做标识符白名单校验，杜绝任何拼接注入。
    /// </summary>
    /// <summary>
    /// 标准层物化的命令超时（秒）。默认 30s 不够：正式切片 FULL REPLACE 单次要
    /// DELETE 40 万+ 行再 INSERT ... SELECT 40 万+ 行，实测 DELETE 一步就超时，
    /// 且超时后连接已断、连 ROLLBACK 都会抛 "Connection must be Open" 掩盖真正的超时异常。
    /// 用 <see cref="WithLongCommandTimeout"/> 在物化区间内临时放宽、退出时还原。
    /// </summary>
    private const int MaterializeCommandTimeoutSeconds = 900;

    /// <summary>物化区间内临时放宽命令超时，Dispose 时还原原值（异常路径同样还原）。</summary>
    private sealed class LongCommandTimeoutScope : IDisposable
    {
        private readonly ISqlSugarClient _db;
        private readonly int _original;
        public LongCommandTimeoutScope(ISqlSugarClient db, int seconds)
        {
            _db = db;
            _original = db.Ado.CommandTimeOut;
            db.Ado.CommandTimeOut = seconds;
        }
        public void Dispose() => _db.Ado.CommandTimeOut = _original;
    }

    private LongCommandTimeoutScope WithLongCommandTimeout()
        => new(_db, MaterializeCommandTimeoutSeconds);

    private static string FormalSliceWhere(string sourceSystem, string domain)
    {
        if (!System.Text.RegularExpressions.Regex.IsMatch(sourceSystem, "^[A-Za-z0-9_]+$"))
            throw new InvalidOperationException($"非法 source_system：{sourceSystem}");
        if (!System.Text.RegularExpressions.Regex.IsMatch(domain, "^[A-Za-z0-9_]+$"))
            throw new InvalidOperationException($"非法 domain：{domain}");
        return $"source_system='{sourceSystem}' AND domain='{domain}'";
    }

    /// <summary>
    /// 枚举该 domain 下**拥有合法库存范围**的租户：即在 LocationMaster 里配了非 Supp 库位的启用租户。
    /// 没有库位范围的租户（如默认租户）不会被物化，标准层里不会出现它的快照。
    /// </summary>
    private async Task<List<long>> ListInventoryScopedTenantsAsync(string domain, CancellationToken ct)
    {
        return await _db.Ado.SqlQueryAsync<long>(
            """
            SELECT DISTINCT lm.tenant_id
            FROM LocationMaster lm
            JOIN SysTenant t ON t.Id = lm.tenant_id AND t.Status = 1
            WHERE lm.Domain = @Domain
              AND IFNULL(lm.typed,'') <> 'Supp'
              AND TRIM(lm.location) <> ''
            ORDER BY lm.tenant_id
            """,
            new List<SugarParameter> { new("@Domain", domain) });
    }

    /// <summary>
    /// 进出存流水 stg→std **按业务租户物化**：一次贴源、逐目标租户按各自库位范围投影。
    /// <para>
    /// 修复前本方法只有一个 <c>tenantId</c> 参数，把「源归属租户」当成了「业务租户」：
    /// <c>ado_source_domain_tenant_map</c> 把 DOPDEMORQ_SQLSERVER/8010 登记在 797 名下，
    /// 于是全部流水标准层都写 797，UAT(838257186181189) 名下恒为 0 —— 而正式贴源层里
    /// 落在 UAT 18 个合法库位上的流水实测有 188,419 行。余额腿（InsertInventoryStdAsync）
    /// 早已是「逐租户 + TenantScopeJoin」，本方法此前漏了这一步，本次对齐。
    /// </para>
    /// </summary>
    /// <param name="sourceTenantId">贴源层归属租户（决定读哪批 stg），非业务归属。</param>
    /// <param name="targetTenantId">业务租户（决定 std.tenant_id 与库位投影范围）。</param>
    /// <param name="replaceMode">true=已由 MdpStdFullReplace 删除正式切片，直接 INSERT；false=增量 UPSERT。</param>
    private async Task<int> MaterializeInvTransStdAsync(
        long sourceTenantId, long targetTenantId, string? batchId,
        DateTime asOf, DateTime historyFrom, string sourceSystem)
    {
        // 物化 SQL 要 LEFT JOIN 库位角色；未跑到 1.0.564 的环境也不能因缺表而整批失败
        await EnsureLocationRoleTableAsync();
        await MdpSchemaAligner.EnsureWrittenByColumnAsync(_db, "mdp_std_inv_trans");

        // batchId 为空：转换该源租户下全部已贴源 InvTransHist（中断恢复 / 补物化用）
        var batchPred = string.IsNullOrWhiteSpace(batchId)
            ? "1=1"
            : "s.sync_batch_id=@BatchId";
        var syncBatchExpr = string.IsNullOrWhiteSpace(batchId)
            ? "s.sync_batch_id"
            : "@BatchId";

        // 业务归属 = 目标租户，不再从 stg 反推
        var sTenant = "@TargetTenantId";
        var sql =
            $"""
             INSERT INTO mdp_std_inv_trans
               (tenant_id, source_system, written_by, domain, src_rec_id, trans_type, src_trans_type_raw, biz_doc_type,
                approved_flag, void_flag, summary_flag, approved_time,
                item_num, lot_serial, location,
                dimension1, dimension2, refs, site, qty_change, begin_balance, end_balance,
                eff_date, trans_time, ord_nbr, work_ord, ref_task_no, doc_qty, shipper_num, ship_type, reason, remark, create_user,
                history_from, as_of, sync_batch_id)
             SELECT
               {sTenant},
               @SourceSystem,
               'DB_SYNC',
               IFNULL({MdpJsonSql.Str("s", "Domain")}, ''),
               s.source_row_id,
               {NeutralTransTypeCodes.TransTypeCase(
                    MdpJsonSql.Str("s", "TransType"),
                    LocationRoleExpr,
                    $"IFNULL({MdpJsonSql.Dec("s", "QtyChange", 18, 5)}, 0)")},
               {MdpJsonSql.Str("s", "TransType")},
               {NeutralTransTypeCodes.BizDocCase(MdpJsonSql.Str("s", "TransType"), "'OTHER'")},
               1, 0, 0,
               {MdpJsonSql.DateTimeSec("s", "CreateTime")},
               {MdpJsonSql.Str("s", "ItemNum")},
               {MdpJsonSql.Str("s", "LotSerial")},
               {MdpJsonSql.Str("s", "Loc")},
               IFNULL({MdpJsonSql.Str("s", "Dimension1")}, ''),
               IFNULL({MdpJsonSql.Str("s", "Dimension2")}, ''),
               {MdpJsonSql.Str("s", "Refs")},
               {MdpJsonSql.Str("s", "Site")},
               IFNULL({MdpJsonSql.Dec("s", "QtyChange", 18, 5)}, 0),
               IFNULL({MdpJsonSql.Dec("s", "BeginBalance", 18, 5)}, 0),
               IFNULL({MdpJsonSql.Dec("s", "BeginBalance", 18, 5)}, 0) + IFNULL({MdpJsonSql.Dec("s", "QtyChange", 18, 5)}, 0),
               {MdpJsonSql.DateTimeSec("s", "EffDate")},
               {MdpJsonSql.DateTimeSec("s", "CreateTime")},
               {MdpJsonSql.Str("s", "OrdNbr")},
               {MdpJsonSql.Str("s", "WorkOrd")},
               {MdpJsonSql.Str("s", "WorkOrd")},
               NULLIF({MdpJsonSql.Dec("s", "QtyRequired", 18, 5)}, 0),
               {MdpJsonSql.Str("s", "ShipperNum")},
               {MdpJsonSql.Str("s", "ShipType")},
               {MdpJsonSql.Str("s", "Reason")},
               {MdpJsonSql.Str("s", "Remark")},
               {MdpJsonSql.Str("s", "CreateUser")},
               @HistoryFrom,
               @AsOf,
               {syncBatchExpr}
             FROM mdp_stg_inv_trans s
             {TransTenantScopeJoin}
             {LocationRoleJoin}
             WHERE s.tenant_id=@SourceTenantId
               AND s.source_system=@SourceSystem
               AND s.source_table='InvTransHist'
               AND {batchPred}
               AND {ProjectionGateSql($"IFNULL({MdpJsonSql.Str("s", "Domain")}, '')")}
             ON DUPLICATE KEY UPDATE
               trans_type=VALUES(trans_type),
               src_trans_type_raw=VALUES(src_trans_type_raw),
               biz_doc_type=VALUES(biz_doc_type),
               approved_flag=VALUES(approved_flag),
               approved_time=VALUES(approved_time),
               item_num=VALUES(item_num),
               lot_serial=VALUES(lot_serial),
               location=VALUES(location),
               qty_change=VALUES(qty_change),
               begin_balance=VALUES(begin_balance),
               end_balance=VALUES(end_balance),
               eff_date=VALUES(eff_date),
               trans_time=VALUES(trans_time),
               ord_nbr=VALUES(ord_nbr),
               work_ord=VALUES(work_ord),
               ref_task_no=VALUES(ref_task_no),
               doc_qty=VALUES(doc_qty),
               shipper_num=VALUES(shipper_num),
               ship_type=VALUES(ship_type),
               reason=VALUES(reason),
               remark=VALUES(remark),
               create_user=VALUES(create_user),
               as_of=VALUES(as_of),
               sync_batch_id=VALUES(sync_batch_id),
               update_time=CURRENT_TIMESTAMP
             """;

        var ps = new List<SugarParameter>
        {
            new("@SourceTenantId", sourceTenantId),
            new("@TargetTenantId", targetTenantId),
            new("@SourceSystem", sourceSystem),
            new("@AsOf", asOf),
            new("@HistoryFrom", historyFrom)
        };
        if (!string.IsNullOrWhiteSpace(batchId))
            ps.Add(new SugarParameter("@BatchId", batchId));

        var affected = await _db.Ado.ExecuteCommandAsync(sql, ps);
        await RegisterUnmappedAsync(targetTenantId, sourceSystem, batchId);
        return affected;
    }

    /// <summary>
    /// 库位角色配置表兜底建表。权威定义与初值生成在 1.0.564.sql；
    /// 这里只保证「表存在」，不写初值——角色缺失时阶段码留空并进隔离，不猜。
    /// </summary>
    private async Task EnsureLocationRoleTableAsync() =>
        await MdpSchemaAligner.ExecuteAsync(_db,
            """
            CREATE TABLE IF NOT EXISTS mdp_location_role (
                id BIGINT AUTO_INCREMENT PRIMARY KEY,
                tenant_id BIGINT NOT NULL DEFAULT 0,
                domain VARCHAR(50) NOT NULL DEFAULT '',
                location VARCHAR(100) NOT NULL,
                location_role VARCHAR(24) NOT NULL DEFAULT 'UNKNOWN',
                role_source VARCHAR(24) NOT NULL DEFAULT 'AUTO_DESCR',
                remark VARCHAR(255) NULL,
                create_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
                update_time DATETIME NULL ON UPDATE CURRENT_TIMESTAMP,
                UNIQUE KEY uk_location_role (tenant_id, domain, location),
                KEY idx_location_role_role (tenant_id, location_role)
            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='库位中立角色（阶段码判定用）'
            """);

    /// <summary>
    /// 未能映射到中立阶段码的流水登记隔离表，按原因分级记日志。
    /// <para>
    /// 三类语义不同，禁止一律 Warning：
    /// <list type="bullet">
    /// <item><b>非阶段事件</b>（<see cref="NeutralTransTypeCodes.NonStageCodes"/>，如冻结/解冻）：
    ///   不登记、不记日志 —— 它们永远不该出现在待办里。</item>
    /// <item><b>待核验</b>（PENDING_VERIFY）：登记，只记 Information。</item>
    /// <item><b>库位角色未配置</b>（LOCATION_ROLE_UNCONFIGURED）/ <b>真未知</b>（UNKNOWN_CODE）：
    ///   登记 + Warning，这两类是真有待办动作的。</item>
    /// </list>
    /// </para>
    /// 隔离表尚未建出时只记 Warning，不打断库存物化。
    /// </summary>
    /// <summary>
    /// 业务投影收口。映射表 uk(source_code, domain) 只登记源归属租户，不能再插一行代表 UAT，
    /// 否则会覆盖 797 并让 SourceDomainTenantResolver 报「不唯一」。
    /// 允许投影的目标：映射表上的源归属租户，或该 domain 下自有非 Supp 库位的启用租户。
    /// 默认租户 1300000000001 不是源归属、也没有库位主数据，两条都不成立，历史残留不再增长。
    /// </summary>
    private static string ProjectionGateSql(string domainExpr) =>
        $"""
         (
           EXISTS (
             SELECT 1 FROM ado_source_domain_tenant_map m
              WHERE m.source_code = @SourceSystem
                AND m.domain = {domainExpr}
                AND m.tenant_id = @TargetTenantId
                AND m.status = 1
           )
           OR EXISTS (
             SELECT 1 FROM LocationMaster lm
             JOIN SysTenant st ON st.Id = lm.tenant_id AND st.Status = 1
              WHERE lm.tenant_id = @TargetTenantId
                AND IFNULL(lm.Domain,'') = {domainExpr}
                AND IFNULL(lm.typed,'') <> 'Supp'
                AND TRIM(lm.location) <> ''
           )
         )
         """;

    private async Task RegisterUnmappedAsync(long tenantId, string sourceSystem, string? batchId)
    {
        try
        {
            var batchPred = string.IsNullOrWhiteSpace(batchId) ? "1=1" : "t.sync_batch_id=@BatchId";
            var ps = new List<SugarParameter>
            {
                new("@TenantId", tenantId),
                new("@SourceSystem", sourceSystem)
            };
            if (!string.IsNullOrWhiteSpace(batchId))
                ps.Add(new SugarParameter("@BatchId", batchId));

            var pendingScope =
                $"""
                 t.trans_type IS NULL AND t.src_trans_type_raw IS NOT NULL
                   AND t.src_trans_type_raw NOT IN ({NeutralTransTypeCodes.NonStageInList})
                   AND t.src_trans_type_raw NOT IN ({NeutralTransTypeCodes.ExcludedInList})
                 """;
            var roleExpr = $"IFNULL(lr.location_role, '{NeutralTransTypeCodes.UnknownRole}')";
            var reasonCase = NeutralTransTypeCodes.UnmappedReasonCase("t.src_trans_type_raw", roleExpr);

            await _db.Ado.ExecuteCommandAsync(
                $"""
                 INSERT INTO mdp_std_inv_trans_unmapped
                   (tenant_id, source_system, src_rec_id, src_trans_type_raw, unmapped_reason, location, row_count, first_seen, last_seen)
                 SELECT t.tenant_id, t.source_system, t.src_rec_id, t.src_trans_type_raw, {reasonCase}, IFNULL(t.location,''), 1, NOW(), NOW()
                 FROM mdp_std_inv_trans t
                 LEFT JOIN mdp_location_role lr
                        ON lr.tenant_id = t.tenant_id
                       AND lr.domain = IFNULL(t.domain,'')
                       AND lr.location = IFNULL(t.location,'')
                 WHERE t.tenant_id=@TenantId AND t.source_system=@SourceSystem
                   AND {pendingScope}
                   AND {batchPred}
                   AND NOT (t.tenant_id = 1300000000001)
                 ON DUPLICATE KEY UPDATE last_seen=NOW(), row_count=row_count+1,
                   unmapped_reason=VALUES(unmapped_reason), location=VALUES(location)
                 """,
                ps);

            var groups = await _db.Ado.SqlQueryAsync<UnmappedTransGroup>(
                $"""
                 SELECT t.src_trans_type_raw AS Code, {reasonCase} AS Reason, COUNT(*) AS Cnt
                 FROM mdp_std_inv_trans t
                 LEFT JOIN mdp_location_role lr
                        ON lr.tenant_id = t.tenant_id
                       AND lr.domain = IFNULL(t.domain,'')
                       AND lr.location = IFNULL(t.location,'')
                 WHERE t.tenant_id=@TenantId AND t.source_system=@SourceSystem
                   AND {pendingScope}
                   AND {batchPred}
                   AND NOT (t.tenant_id = 1300000000001)
                 GROUP BY t.src_trans_type_raw, {reasonCase}
                 """,
                ps);
            foreach (var g in groups)
            {
                if (g.Reason == "PENDING_VERIFY")
                {
                    _logger.LogInformation(
                        "库存流水有 {Count} 行源事务码 {Code} 语义待核验，已进隔离表暂不计入指标。tenant={TenantId} source={Source}",
                        g.Cnt, g.Code, tenantId, sourceSystem);
                    continue;
                }

                var action = g.Reason switch
                {
                    "LOCATION_ROLE_UNCONFIGURED" => "请在 mdp_location_role 配置该库位角色",
                    "OUT_OF_SCOPE_ROLE" => "该库位角色不在此事务码的阶段规则内，不计入指标",
                    _ => "请确认该码语义后补入 NeutralTransTypeCodes"
                };
                _logger.LogWarning(
                    "库存流水有 {Count} 行源事务码 {Code} 未映射到中立阶段码（{Reason}），已进隔离表，指标不计入。{Action}。tenant={TenantId} source={Source}",
                    g.Cnt, g.Code, g.Reason, action, tenantId, sourceSystem);
            }
        }
        catch (Exception ex)
        {
            _logger.LogWarning(ex, "未映射流水隔离登记跳过（隔离表未就绪）。tenant={TenantId} source={Source}", tenantId, sourceSystem);
        }
    }

    private sealed class UnmappedTransGroup
    {
        public string Code { get; set; } = "";
        public string Reason { get; set; } = "";
        public int Cnt { get; set; }
    }

    // 取/放锁已迁至 InventoryInboundLockGuard：
    // 原实现在共享 _db（IsAutoCloseConnection=true）上跑 GET_LOCK/RELEASE_LOCK，
    // 命令执行完连接即回池并被驱动 reset，MySQL 当场释放咨询锁 → 跨实例互斥失效。

    private sealed class UpperRow
    {
        public string? CursorText { get; set; }
        public string? TieText { get; set; }
    }

    private sealed class InventoryStageSourceRow
    {
        public string? SourceSystem { get; set; }
    }
}

public sealed class InventorySyncResult
{
    public string BatchId { get; init; } = "";
    public long TenantId { get; init; }
    public string Domain { get; init; } = "";
    public bool Bootstrap { get; init; }
    public int LocationPulled { get; init; }
    public int LocationWritten { get; init; }
    public int InventoryStdRows { get; init; }
    public int TransPulled { get; init; }
    public int TransWritten { get; init; }
    public int TransStdRows { get; init; }
    public DateTime AsOf { get; init; }
    public DateTime? HistoryFrom { get; init; }
    public bool Skipped { get; init; }
    public string? Message { get; init; }
}