{
  "summary": [
    {
      "name": "pbl_runtime_event",
      "title": "运行时事件流(append-only)",
      "primary": ["id"],
      "catelog": "entity",
      "comment": "【本表定位】world_sync 侧消费方契约副本：运行时事件流（append-only，禁 UPDATE/DELETE；生产库由权威模块 pbl_runtime_ext 的存储过程 pbl_assert_append_only + BEFORE UPDATE/BEFORE DELETE 触发器强制，本副本只声明列契约、不复制那套物理实现）。【结构权威源 · PM 裁决】PM 裁决（任务 u0EO4x3ajntR41acaHj5H）选 B：以 modules/pbl_runtime_ext/models/pbl_runtime_event.json 为唯一真源（M11b-1 已批准产物，本任务禁止反向修改）；建表 DDL 派生源为该模块 scripts/pbl_runtime_event_ddl.py 与 scripts/migrations/*.sql。本文件是按真源逐字段内联的 world_sync 侧副本（25 列全量抄录），不是引用式 schema —— database-table-definition-spec 只承认 summary/fields/indexes/codes 四段式，scripts/validate_models_json.py 对 key=schema 引用式写法直接判 FAIL（QC #5），故 QC 要求内联。两份定义的一致性由 scripts/m11b2b_column_diff.py（代码列名 vs 权威列集双向 diff）与 scripts/m11b2b_selftest.py（四段式/抽象类型/主键/索引/编码 6 项断言 + 真源镜像 sha256）机械核对，真源列集变更时必须同步本副本。【id 生成方 · 单一口径，QC #4】本副本声明 id 由应用层生成：world_sync/pbl_runtime_tx.py::new_event_uid()（uuid4().hex，32 位小写十六进制），写路径 INSERT 列集（= 本文件 fields[] 全列，见 pbl_runtime_sql.py::EVENT_COLUMNS 由 fields[] 机械导出）显式提交 id，不依赖任何数据库 AUTO_INCREMENT。真源侧 id 为 type=long + auto_increment（BIGINT AUTO_INCREMENT），属其私有物理实现，本副本按 spec 归一为 str(32) 且不保留 auto_increment 键；两者差异已在 M11b-2b-B 交付件正文登记为 DEVIATION(WS-2) 并冒泡 agent.pm 裁决生产库列型收敛方案（改 VARCHAR(32) 或统一走 event_uid 定位），本副本不再同时声称两种生成方。对外幂等与跨系统追溯一律使用 event_uid（str 64，uk_event_uid），不依赖 id 的物理类型。【主键口径 · QC #2 归一，本副本无偏离】summary[0].primary=[\"id\"]，严格遵循 spec「单键表 primary 恒为 [\\\"id\\\"]」，本副本不再声明复合主键、也不再自称任何偏离（旧版 primary=[\\\"id\\\",\\\"created_at\\\"] 属未登记偏离，QC #2 判定口径未闭环，已按改法 (a) 归一）。真源侧因按 created_at 做按月 RANGE COLUMNS 分区、受 MySQL/MariaDB 错误码 1503（分区表的每个唯一键必须包含分区列）约束而使用复合物理主键 (id, created_at)——该约束属物理实现，由真源 modules/pbl_runtime_ext/models/pbl_runtime_event.json:12（primary）与其 DDL 派生源（scripts/pbl_runtime_event_ddl.py、scripts/migrations/*.sql）表达，本副本不写 partition/engine/guards 等私有键，故不在逻辑契约里复制该复合主键。分区列约束在本副本中的等价表达是：两条唯一键 uk_event_uid(tenant_id,event_uid,created_at)、uk_tenant_idem(tenant_id,idem_key,created_at) 以及普通索引 ix_created_at(created_at) 均已包含 created_at，消费方按唯一键定位/幂等去重时天然满足「查询落在分区列上」的要求，不依赖主键形态。【私有键剥离】真源使用的 spec 未定义顶层扩展键 module/engine/charset/collate/tenant_scoped/append_only/write_paths/guards/partition/ddl_source，以及 fields[].ddl_type/comment/auto_increment、indexes[].comment、codes[].comment，本副本一律不保留：根键仅 summary/fields/indexes/codes，summary[0] 仅 name/title/primary/catelog/comment，fields[] 仅 name/title/type/length/dec/nullable/default，indexes[] 仅 name/idxtype/idxfields（主键不写进 indexes，由 summary[0].primary 表达），codes[] 仅 field/table/valuefield/textfield/cond。物理细节（分区、触发器、字符集、存储过程）以真源与其 DDL 派生源为准。【消费方清单】modules/world_sync/world_sync/pbl_runtime_sql.py（EVENT_TABLE/EVENT_COLUMNS，由本文件 fields[] 机械导出）、modules/world_sync/world_sync/pbl_runtime_tx.py::write_event_with_state（单事务事件+状态写入）、modules/world_sync/world_sync/pbl_runtime_authority.py（列契约解析层 + 本地/测试 DDL 渲染，已适配本内联四段式副本）、modules/world_sync/world_sync/init.py（事件写入门面）。上述代码引用的列名必须全部出现在本文件 fields[] 中，核对证据见 M11b-2b-B 交付件「字段交叉核对清单」与 scripts/m11b2b_column_diff_output.txt。【打包镜像】apps/scense/pkgs/world_sync/models/pbl_runtime_event.json 是本文件的打包镜像，只由 modules/world_sync/scripts/sync_models_mirror.py 生成，禁止手工双写；一致性由 scripts/m11b2b_selftest.py 的 A7 sha256 断言守护（改本文件后必须重跑 sync_models_mirror.py）。"
    }
  ],
  "fields": [
    {"name": "id", "title": "主键ID(应用层生成)", "type": "str", "length": 32, "nullable": "no"},
    {"name": "tenant_id", "title": "租户ID", "type": "str", "length": 32, "nullable": "no", "default": ""},
    {"name": "event_uid", "title": "事件UID", "type": "str", "length": 64, "nullable": "no"},
    {"name": "event_code", "title": "事件编码", "type": "str", "length": 64, "nullable": "no", "default": ""},
    {"name": "idem_key", "title": "幂等键", "type": "str", "length": 128, "nullable": "no", "default": ""},
    {"name": "world_id", "title": "世界ID", "type": "long", "nullable": "no", "default": 0},
    {"name": "scene_id", "title": "场景/会话ID", "type": "long", "nullable": "no", "default": 0},
    {"name": "session_id", "title": "游戏会话ID", "type": "long", "nullable": "no", "default": 0},
    {"name": "entity_id", "title": "实体ID", "type": "str", "length": 64, "nullable": "no", "default": ""},
    {"name": "actor_id", "title": "触发者", "type": "str", "length": 64, "nullable": "no", "default": ""},
    {"name": "event_type", "title": "事件类型", "type": "str", "length": 64, "nullable": "no"},
    {"name": "payload", "title": "事件负载", "type": "text", "nullable": "yes"},
    {"name": "payload_json", "title": "事件负载JSON", "type": "text", "nullable": "yes"},
    {"name": "causation_id", "title": "因果链", "type": "str", "length": 64, "nullable": "no", "default": ""},
    {"name": "seq", "title": "会话内单调序号", "type": "long", "nullable": "no", "default": 0},
    {"name": "seq_no", "title": "会话内单调序号(M11a)", "type": "long", "nullable": "no", "default": 0},
    {"name": "source", "title": "来源", "type": "str", "length": 32, "nullable": "no", "default": "runtime"},
    {"name": "state", "title": "事件状态", "type": "str", "length": 16, "nullable": "no", "default": "applied"},
    {"name": "state_version", "title": "服务端权威版本", "type": "long", "nullable": "no", "default": 0},
    {"name": "tx_group", "title": "事务组", "type": "str", "length": 64, "nullable": "no", "default": ""},
    {"name": "broadcast", "title": "是否参与广播", "type": "short", "nullable": "no", "default": 1},
    {"name": "created_by", "title": "创建人", "type": "long", "nullable": "no", "default": 0},
    {"name": "created_at", "title": "创建时间", "type": "datetime", "nullable": "no", "default": "CURRENT_TIMESTAMP"},
    {"name": "updated_at", "title": "记录时间戳", "type": "datetime", "nullable": "no", "default": "CURRENT_TIMESTAMP"},
    {"name": "occurred_at", "title": "兼容列(旧分区键)", "type": "datetime", "nullable": "yes"}
  ],
  "indexes": [
    {"name": "uk_event_uid", "idxtype": "unique", "idxfields": ["tenant_id", "event_uid", "created_at"]},
    {"name": "uk_tenant_idem", "idxtype": "unique", "idxfields": ["tenant_id", "idem_key", "created_at"]},
    {"name": "ix_scene_created", "idxtype": "index", "idxfields": ["scene_id", "created_at"]},
    {"name": "ix_tenant_session_seq", "idxtype": "index", "idxfields": ["tenant_id", "session_id", "seq"]},
    {"name": "ix_tenant_session_seqno", "idxtype": "index", "idxfields": ["tenant_id", "session_id", "seq_no"]},
    {"name": "ix_tenant_world_type", "idxtype": "index", "idxfields": ["tenant_id", "world_id", "event_type"]},
    {"name": "ix_tx_group", "idxtype": "index", "idxfields": ["tx_group"]},
    {"name": "ix_created_at", "idxtype": "index", "idxfields": ["created_at"]}
  ],
  "codes": [
    {
      "field": "event_type",
      "table": "appcodes_kv",
      "valuefield": "k",
      "textfield": "v",
      "cond": "parentid='pbl_event_type'"
    }
  ]
}