@cfxlabsinc/b2b-services
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    Variable productVendorVersionTableConst

    productVendorVersionTable: Omit<
        PgTableWithColumns<
            {
                columns: {
                    bankId: PgBuildColumn<
                        "product_vendor_version",
                        PgIntegerBuilder,
                        {
                            data: number;
                            dataType: "number int32";
                            driverParam: string
                            | number;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: false;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: false;
                            tableName: "product_vendor_version";
                        },
                    >;
                    createdAt: PgBuildColumn<
                        "product_vendor_version",
                        SetHasDefault<
                            SetNotNull<
                                PgCustomColumnBuilder<
                                    { data: Instant; dataType: "custom"; driverParam: string },
                                >,
                            >,
                        >,
                        {
                            data: Instant;
                            dataType: "custom";
                            driverParam: string;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: true;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: true;
                            tableName: "product_vendor_version";
                        },
                    >;
                    id: PgBuildColumn<
                        "product_vendor_version",
                        HasIdentity<SetIsPrimaryKey<PgIntegerBuilder>, "byDefault">,
                        {
                            data: number;
                            dataType: "number int32";
                            driverParam: string | number;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: true;
                            hasRuntimeDefault: false;
                            identity: "byDefault";
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: true;
                            tableName: "product_vendor_version";
                        },
                    >;
                    mandatoryMatcher: PgBuildColumn<
                        "product_vendor_version",
                        SetHasDefault<SetNotNull<Set$Type<PgJsonbBuilder, Matcher>>>,
                        {
                            data: Matcher;
                            dataType: "object json";
                            driverParam: unknown;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: true;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: true;
                            tableName: "product_vendor_version";
                        },
                    >;
                    name: PgBuildColumn<
                        "product_vendor_version",
                        SetNotNull<PgTextBuilder<[string, ...string[]]>>,
                        {
                            data: string;
                            dataType: "string";
                            driverParam: string;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: false;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: true;
                            tableName: "product_vendor_version";
                        },
                    >;
                    note: PgBuildColumn<
                        "product_vendor_version",
                        PgTextBuilder<[string, ...string[]]>,
                        {
                            data: string;
                            dataType: "string";
                            driverParam: string;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: false;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: false;
                            tableName: "product_vendor_version";
                        },
                    >;
                    vendorId: PgBuildColumn<
                        "product_vendor_version",
                        SetNotNull<PgIntegerBuilder>,
                        {
                            data: number;
                            dataType: "number int32";
                            driverParam: string | number;
                            enumValues: undefined;
                            generated: undefined;
                            hasDefault: false;
                            hasRuntimeDefault: false;
                            identity: undefined;
                            isAutoincrement: false;
                            isPrimaryKey: false;
                            name: string;
                            notNull: true;
                            tableName: "product_vendor_version";
                        },
                    >;
                };
                dialect: "pg";
                name: "product_vendor_version";
                schema: "b2b";
            },
        >,
        "enableRLS",
    > = ...

    Append-only version log for vendor changes. Each row is a snapshot of (name, bankId) plus an optional note describing the change. No immutability trigger; population is wired up by the service layer. The parent product_vendor.current_version_id points at the live row here (NOT NULL, deferrable FK in migration 20260710182509_add_product_vendor_current_version_id). product_quote.vendor_version_id FKs into this table to freeze the vendor identity snapshot at quote time; the fee and limit snapshots ride on product_quote.route_version_id instead (both are per-route).