M1：镜生域后端闭环——灵胚/照心试演/启镜原子闸门/执镜关系/命台租约/魂籍签名导出/死亡冷静期（迁移 001，测试 7 用例）
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"""六域领域层（rewrite/1.0）。镜生域先行，其余域随里程碑落地。"""
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"""镜生域：灵胚、启镜、执镜关系、命台、魂籍、死亡与冷静期（data-model.md §1）。"""
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from app.domains.jingsheng.identity import build_identity_record, verify_identity_record
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from app.domains.jingsheng.seat import SeatConflict, acquire_lease, emit_seat_event, release_lease
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from app.domains.jingsheng.service import (
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abandon_embryo,
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activate_embryo,
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bind_event_store,
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create_embryo,
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death_cancel,
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death_finalize,
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death_request,
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get_embryo,
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list_embryos,
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record_rehearsal,
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)
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from app.domains.jingsheng.service import patch_embryo
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__all__ = [
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"SeatConflict",
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"abandon_embryo",
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"acquire_lease",
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"activate_embryo",
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"bind_event_store",
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"build_identity_record",
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"create_embryo",
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"death_cancel",
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"death_finalize",
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"death_request",
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"emit_seat_event",
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"get_embryo",
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"list_embryos",
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"patch_embryo",
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"record_rehearsal",
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"release_lease",
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"verify_identity_record",
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]
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"""魂籍（portable_identity_record）：可验证、版本化的身份与状态包。
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完整性模型：
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- payload 规范化序列化（排序键、紧凑分隔符）后取 SHA-256 摘要；
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- 签名 = HMAC-SHA256(密钥, "{character_id}|{version}|{digest}")，绑定人物与版本；
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- 校验：重算摘要与签名比对。篡改 payload 破坏摘要；把记录复制到别的人物/版本，
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签名不匹配——文件相同或人物 ID 相同不足以冒充原主体（data-model.md §1）。
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"""
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from __future__ import annotations
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import hashlib
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import hmac
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import json
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from app.core.config import settings
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from app.models.jingsheng import IdentityRecord
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def _canonical(payload: dict) -> str:
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return json.dumps(payload, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
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def _digest(payload: dict) -> str:
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return hashlib.sha256(_canonical(payload).encode("utf-8")).hexdigest()
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def _signature(character_id: str, version: int, digest: str) -> str:
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secret = settings.identity_record_secret
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message = f"{character_id}|{version}|{digest}".encode("utf-8")
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return hmac.new(secret.encode("utf-8"), message, hashlib.sha256).hexdigest()
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def build_identity_record(
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*,
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character_id: str,
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version: int,
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identity: dict,
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runtime_state: dict,
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data_state: dict | None = None,
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) -> IdentityRecord:
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"""构建一条魂籍版本记录（调用方负责落库）。"""
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payload = {
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"spec": "hunjing.portable_identity_record.v1",
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"character_id": character_id,
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"version": version,
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"identity": identity,
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"data_state": data_state or {"note": "数据状态由各域自报（M1 占位）"},
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"runtime_state": runtime_state,
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}
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digest = _digest(payload)
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return IdentityRecord(
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character_id=character_id,
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version=version,
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payload_json=json.dumps(payload, ensure_ascii=False),
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digest=digest,
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signature=_signature(character_id, version, digest),
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)
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class IdentityVerificationError(Exception):
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"""校验失败：摘要或签名不匹配。"""
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def __init__(self, reason: str) -> None:
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super().__init__(reason)
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self.reason = reason
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def verify_identity_record(record: IdentityRecord) -> dict:
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"""校验魂籍记录，返回规范化 payload；失败抛 IdentityVerificationError。"""
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try:
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payload = json.loads(record.payload_json)
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except json.JSONDecodeError as exc:
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raise IdentityVerificationError("payload 无法解析") from exc
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if _digest(payload) != record.digest:
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raise IdentityVerificationError("摘要不匹配（payload 已被篡改）")
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expected = _signature(record.character_id, record.version, record.digest)
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if not hmac.compare_digest(expected, record.signature):
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raise IdentityVerificationError("签名不匹配（非本平台签发或被移植冒用）")
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if payload.get("character_id") != record.character_id or payload.get("version") != record.version:
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raise IdentityVerificationError("payload 声明的身份与记录不符")
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return payload
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"""命台租约（authoritative_runtime_seat）：同一人物唯一权威运行位置。
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- 活跃租约（未过期、非本人）存在时，其他持有者获取被拒（SeatConflict）；
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- 租约过期可接管，epoch 递增（旧持有者写入按 epoch 失效——M2 运行时接入）；
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- 事件（seat.acquired / released / contested）由 API 层在事务提交后发射，
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避免事务内跨连接写冲突；M1 为 API 级租约，Kernel 前台串行仍为进程内锁，多进程一致在 M2 收口。
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"""
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from __future__ import annotations
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from datetime import timedelta
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.time import as_utc, utc_now
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from app.models.jingsheng import RuntimeSeat
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class SeatConflict(Exception):
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"""命台被其他持有者占用（HJ-1101 语义）；调用方须留痕 seat.contested。"""
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def __init__(self, seat: RuntimeSeat) -> None:
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super().__init__(f"命台被 {seat.holder} 占用至 {seat.lease_expires_at}")
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self.seat = seat
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async def acquire_lease(
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session: AsyncSession, character_id: str, holder: str, ttl_seconds: int = 60
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) -> RuntimeSeat:
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"""获取或续期命台租约；冲突抛 SeatConflict（不在此发事件，避免事务内跨连接写）。"""
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seat = await session.scalar(select(RuntimeSeat).where(RuntimeSeat.character_id == character_id))
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if seat is None:
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seat = RuntimeSeat(character_id=character_id, epoch=0)
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session.add(seat)
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now = utc_now()
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if (
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seat.holder is not None
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and seat.holder != holder
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and seat.lease_expires_at is not None
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and as_utc(seat.lease_expires_at) > now
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):
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raise SeatConflict(seat)
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# 仅"从其他持有者手中接管"递增 epoch；无人持有时首次获取沿用当前纪元
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takeover = seat.holder is not None and seat.holder != holder
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seat.holder = holder
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seat.lease_expires_at = now + timedelta(seconds=ttl_seconds)
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if takeover:
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seat.epoch += 1
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await session.flush()
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return seat
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async def release_lease(session: AsyncSession, character_id: str, holder: str) -> bool:
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"""释放租约；返回是否实际释放（holder 不匹配时无操作）。"""
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seat = await session.scalar(select(RuntimeSeat).where(RuntimeSeat.character_id == character_id))
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if seat is None or seat.holder != holder:
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return False
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seat.holder = None
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seat.lease_expires_at = None
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await session.flush()
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return True
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async def emit_seat_event(
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event_type: str,
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character_id: str,
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holder: str | None,
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epoch: int | None,
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*,
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requester: str | None = None,
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) -> None:
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"""事务外发射命台事件（一炁，visibility=internal）。"""
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from app.modules.runtime.events import Event
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from app.services.event_store import DbEventStore
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from app.domains.jingsheng import service as jingsheng_service
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store: DbEventStore | None = jingsheng_service._event_store # noqa: SLF001
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if store is None:
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return
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payload: dict = {"holder": holder, "epoch": epoch}
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if requester is not None:
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payload["requester"] = requester
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await store.append(
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Event(
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type=event_type,
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source="jingsheng",
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payload=payload,
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visibility="internal",
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run_id=None,
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character_id=character_id,
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)
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)
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"""镜生域服务：灵胚生命周期、启镜事务、死亡请求与冷静期。"""
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from __future__ import annotations
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import json
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from datetime import datetime, UTC
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from sqlalchemy import select, update
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.errors import AppError
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from app.core.time import as_utc, utc_now
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from app.db.session import AsyncSessionLocal
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from app.domains.jingsheng.identity import build_identity_record
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from app.models.character import Character
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from app.models.jingsheng import Custodianship, EmbryoDraft, IdentityRecord, RuntimeSeat
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from app.services.event_store import DbEventStore
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# 事件由服务层经一炁落库（DbEventStore 由调用方注入；默认取进程级装配）
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_event_store: DbEventStore | None = None
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def bind_event_store(store: DbEventStore) -> None:
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"""lifespan 装配时注入事件存储。"""
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global _event_store
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_event_store = store
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async def _emit(
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event_type: str,
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*,
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character_id: str | None,
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owner_scope: str,
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payload: dict,
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visibility: str = "public",
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) -> None:
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from app.modules.runtime.events import Event
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if _event_store is None:
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return
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await _event_store.append(
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Event(
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type=event_type,
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source="jingsheng",
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payload=payload,
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visibility=visibility, # type: ignore[arg-type]
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run_id=None,
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character_id=character_id,
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)
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)
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def _owned(embryo: EmbryoDraft, owner_scope: str) -> EmbryoDraft:
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if embryo.owner_scope != owner_scope:
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raise AppError("not_found", "灵胚不存在。")
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return embryo
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async def list_embryos(owner_scope: str) -> list[EmbryoDraft]:
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async with AsyncSessionLocal() as session:
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result = await session.execute(
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select(EmbryoDraft)
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.where(EmbryoDraft.owner_scope == owner_scope, EmbryoDraft.status != "abandoned")
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.order_by(EmbryoDraft.created_at.desc())
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)
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return list(result.scalars().all())
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async def create_embryo(
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*,
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owner_scope: str,
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source: str,
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name: str,
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description: str | None = None,
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identity_baseline: dict | None = None,
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) -> EmbryoDraft:
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if source not in ("original", "adopted", "imported", "serendipity"):
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raise AppError("invalid_request", "灵胚来源取值不合法。")
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embryo = EmbryoDraft(
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owner_scope=owner_scope,
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source=source,
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name=name,
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description=description,
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identity_baseline_json=json.dumps(identity_baseline or {}, ensure_ascii=False),
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)
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async with AsyncSessionLocal() as session:
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session.add(embryo)
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await session.commit()
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await session.refresh(embryo)
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await _emit(
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"embryo.created",
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character_id=None,
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owner_scope=owner_scope,
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payload={"embryo_id": embryo.id, "source": source},
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)
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return embryo
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async def get_embryo(embryo_id: str, owner_scope: str) -> EmbryoDraft:
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async with AsyncSessionLocal() as session:
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embryo = await session.get(EmbryoDraft, embryo_id)
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if embryo is None or embryo.status == "abandoned":
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raise AppError("not_found", "灵胚不存在。")
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return _owned(embryo, owner_scope)
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async def patch_embryo(
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embryo_id: str,
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owner_scope: str,
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*,
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name: str | None = None,
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description: str | None = None,
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identity_baseline: dict | None = None,
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) -> EmbryoDraft:
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async with AsyncSessionLocal() as session:
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embryo = await session.get(EmbryoDraft, embryo_id)
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if embryo is None or embryo.status == "abandoned":
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raise AppError("not_found", "灵胚不存在。")
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_owned(embryo, owner_scope)
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if embryo.status == "activated":
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raise AppError(
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"HJ-1103", "灵胚已启镜，草稿不可再编辑。", status_code=409
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)
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if name is not None:
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embryo.name = name
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if description is not None:
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embryo.description = description
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if identity_baseline is not None:
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embryo.identity_baseline_json = json.dumps(identity_baseline, ensure_ascii=False)
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await session.commit()
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await session.refresh(embryo)
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return embryo
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async def record_rehearsal(embryo_id: str, owner_scope: str, *, run_id: str, prompt: str) -> None:
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"""照心试演引用落灵胚（内容在事件日志，不构成人物经历）。"""
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async with AsyncSessionLocal() as session:
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embryo = await session.get(EmbryoDraft, embryo_id)
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if embryo is None or embryo.status == "abandoned":
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raise AppError("not_found", "灵胚不存在。")
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_owned(embryo, owner_scope)
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rehearsals = json.loads(embryo.rehearsals_json)
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rehearsals.append({"run_id": run_id, "prompt": prompt, "performed_at": utc_now().isoformat()})
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embryo.rehearsals_json = json.dumps(rehearsals, ensure_ascii=False)
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if embryo.status == "drafting":
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embryo.status = "previewing"
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await session.commit()
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async def abandon_embryo(embryo_id: str, owner_scope: str) -> None:
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async with AsyncSessionLocal() as session:
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embryo = await session.get(EmbryoDraft, embryo_id)
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if embryo is None:
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raise AppError("not_found", "灵胚不存在。")
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_owned(embryo, owner_scope)
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if embryo.status == "activated":
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raise AppError("HJ-1103", "灵胚已启镜，不能放弃；请走人物死亡流程。", status_code=409)
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embryo.status = "abandoned"
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await session.commit()
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await _emit(
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"embryo.abandoned",
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character_id=None,
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owner_scope=owner_scope,
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payload={"embryo_id": embryo_id},
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)
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async def activate_embryo(embryo_id: str, owner_scope: str) -> Character:
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"""启镜：单事务内签发人物、执镜关系、命台与魂籍 v1。
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并发防护：以 ``UPDATE embryo_drafts SET status='confirming' WHERE status IN (可启镜态)``
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的原子行数作为闸门——第二个并发启镜拿不到闸门即 409，不产生第二个人物。
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"""
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async with AsyncSessionLocal() as session:
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embryo = await session.get(EmbryoDraft, embryo_id)
|
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if embryo is None or embryo.status == "abandoned":
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raise AppError("not_found", "灵胚不存在。")
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_owned(embryo, owner_scope)
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gate = await session.execute(
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update(EmbryoDraft)
|
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.where(EmbryoDraft.id == embryo_id, EmbryoDraft.status.in_(("drafting", "previewing", "confirming")))
|
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.values(status="confirming")
|
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)
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if gate.rowcount != 1:
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raise AppError(
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"HJ-1103", "灵胚当前状态不允许启镜（可能已被并发启镜）。", status_code=409
|
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)
|
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baseline = json.loads(embryo.identity_baseline_json or "{}")
|
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character = Character(
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name=embryo.name,
|
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owner_scope=owner_scope,
|
||||
status="active",
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||||
source=embryo.source,
|
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identity_baseline_json=embryo.identity_baseline_json,
|
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profile_json=json.dumps({"description": embryo.description or ""}, ensure_ascii=False),
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activated_at=utc_now(),
|
||||
)
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session.add(character)
|
||||
await session.flush() # 取 character.id（commit 后属性过期，异步下不可再访问）
|
||||
character_id = character.id
|
||||
|
||||
session.add(Custodianship(character_id=character.id, custodian_scope=owner_scope))
|
||||
session.add(RuntimeSeat(character_id=character.id, epoch=1))
|
||||
|
||||
record = build_identity_record(
|
||||
character_id=character.id,
|
||||
version=1,
|
||||
identity={
|
||||
"name": character.name,
|
||||
"source": character.source,
|
||||
"identity_baseline": baseline,
|
||||
"activated_at": character.activated_at.isoformat(),
|
||||
},
|
||||
runtime_state={"status": "active", "seat_epoch": 1},
|
||||
)
|
||||
session.add(record)
|
||||
await session.flush() # 取魂籍 ID
|
||||
record_id = record.id
|
||||
source = embryo.source
|
||||
embryo.status = "activated"
|
||||
await session.commit()
|
||||
|
||||
await _emit(
|
||||
"character.activated",
|
||||
character_id=character_id,
|
||||
owner_scope=owner_scope,
|
||||
payload={"embryo_id": embryo_id, "source": source, "identity_record": record_id},
|
||||
)
|
||||
async with AsyncSessionLocal() as session:
|
||||
created = await session.get(Character, character_id)
|
||||
assert created is not None
|
||||
return created
|
||||
|
||||
|
||||
async def death_request(
|
||||
character_id: str, owner_scope: str, *, calm_period_hours: int
|
||||
) -> Character:
|
||||
"""死亡请求：进入冷静期（death_pending），可撤销；冷静期内人物默认静修。"""
|
||||
async with AsyncSessionLocal() as session:
|
||||
character = await _owned_character(session, character_id, owner_scope)
|
||||
if character.status == "deceased":
|
||||
raise AppError("HJ-1103", "人物已死亡。", status_code=409)
|
||||
now = utc_now()
|
||||
character.status = "death_pending"
|
||||
character.death_requested_at = now
|
||||
character.calm_period_until = datetime.fromtimestamp(
|
||||
now.timestamp() + calm_period_hours * 3600, tz=UTC
|
||||
)
|
||||
await session.commit()
|
||||
await session.refresh(character)
|
||||
await _emit(
|
||||
"character.death_requested",
|
||||
character_id=character_id,
|
||||
owner_scope=owner_scope,
|
||||
payload={"calm_period_until": character.calm_period_until.isoformat()},
|
||||
)
|
||||
return character
|
||||
|
||||
|
||||
async def death_cancel(character_id: str, owner_scope: str) -> Character:
|
||||
"""冷静期撤销：恢复 active。人物不得阻挠撤销（宪章）。"""
|
||||
async with AsyncSessionLocal() as session:
|
||||
character = await _owned_character(session, character_id, owner_scope)
|
||||
if character.status != "death_pending":
|
||||
raise AppError("HJ-1103", "人物不在死亡冷静期。", status_code=409)
|
||||
character.status = "active"
|
||||
character.death_requested_at = None
|
||||
character.calm_period_until = None
|
||||
await session.commit()
|
||||
await session.refresh(character)
|
||||
await _emit(
|
||||
"character.death_cancelled",
|
||||
character_id=character_id,
|
||||
owner_scope=owner_scope,
|
||||
payload={},
|
||||
)
|
||||
return character
|
||||
|
||||
|
||||
async def death_finalize(character_id: str, owner_scope: str) -> Character:
|
||||
"""死亡落定：身份时间线闭合（deceased），数据保留——数据清除是独立操作。"""
|
||||
async with AsyncSessionLocal() as session:
|
||||
character = await _owned_character(session, character_id, owner_scope)
|
||||
if character.status != "death_pending":
|
||||
raise AppError("HJ-1103", "人物不在死亡冷静期。", status_code=409)
|
||||
assert character.calm_period_until is not None
|
||||
if utc_now() < as_utc(character.calm_period_until):
|
||||
raise AppError(
|
||||
"HJ-1103",
|
||||
f"冷静期未满（至 {character.calm_period_until.isoformat()}），不能落定死亡。",
|
||||
status_code=422,
|
||||
)
|
||||
character.status = "deceased"
|
||||
character.died_at = utc_now()
|
||||
seat = await session.scalar(select(RuntimeSeat).where(RuntimeSeat.character_id == character_id))
|
||||
if seat is not None:
|
||||
seat.holder = None
|
||||
seat.lease_expires_at = None
|
||||
await session.commit()
|
||||
await session.refresh(character)
|
||||
await _emit(
|
||||
"character.deceased",
|
||||
character_id=character_id,
|
||||
owner_scope=owner_scope,
|
||||
payload={"died_at": character.died_at.isoformat() if character.died_at else None},
|
||||
)
|
||||
return character
|
||||
|
||||
|
||||
async def _owned_character(
|
||||
session: AsyncSession, character_id: str, owner_scope: str
|
||||
) -> Character:
|
||||
character = await session.get(Character, character_id)
|
||||
if character is None or character.owner_scope != owner_scope:
|
||||
raise AppError("not_found", "人物不存在。")
|
||||
return character
|
||||
Reference in new issue
Block a user