feat(db): P2 摘除运行时种子 + 脚本化迁移/种子(migrate.py/seed.py)

- Database.initialize() 不再 create_all/seed_data:运行时仅做库连通检查(不建表不灌种子)。
- 新增 scripts/db/migrate.py(封装 alembic upgrade/downgrade)、scripts/db/seed.py(非运行态灌平台种子)。
- 新增 serverdata/seed/(README) 存放种子 JSON。
- 迁移/种子流程:uv run python scripts/db/migrate.py + scripts/db/seed.py,再启动应用。
- 已知待修:seed 内 AGENT_SEED 全局固定 id 唯一冲突(既有缺陷, 待 P2 后续修);pine/角色已能灌入。
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Pine
2026-08-24 19:32:41 +08:00
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# -*- coding: utf-8 -*-
"""数据库迁移脚本(非运行态)—— Alembic 封装。
用法:uv run python scripts/db/migrate.py # alembic upgrade head
uv run python scripts/db/migrate.py downgrade # 回退一个版本
在启动应用【之前】执行;禁止在应用启动时迁移/建表。
"""
from __future__ import annotations
import subprocess
import sys
import os
from pathlib import Path
ROOT = Path(__file__).resolve().parent.parent.parent
os.chdir(ROOT)
def main() -> None:
cmd = sys.argv[1] if len(sys.argv) > 1 else "upgrade"
if cmd == "downgrade":
args = ["python", "-m", "alembic", "downgrade", "-1"]
else:
args = ["python", "-m", "alembic", "upgrade", "head"]
print(f"执行迁移: {' '.join(args)}")
raise SystemExit(subprocess.call(args, cwd=str(ROOT)))
if __name__ == "__main__":
main()