Add Alembic migration foundation

2026-06-01 16:02:43 +02:00
parent c42cc2ddb6
commit 8b8bd9f38f
17 changed files with 1459 additions and 101 deletions
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 # 步骤 2 · LLM 接入 / Step 2 · LLM Integration

 > **可独立执行 / Self-contained.** 完整背景见设计文档 [`llm-integration-design.md`](./llm-integration-design.md) §4；跨步骤约定见 [`implementation-plan.md`](./implementation-plan.md)。
-> **前置 / Prerequisite：** [步骤 1](./step-1-alembic-foundation.md) 已合入（Alembic 已就位——**schema 变更一律通过新建迁移完成**）。Step 1 merged; Alembic is in place — **all schema changes go through a new migration**.
+> **前置 / Prerequisite：** [步骤 1](./step-1-alembic-foundation.md) 已合入（Alembic 已就位——**schema 变更一律通过新建迁移完成，并经迁移命令 `python -m app.migrate` / `db-migration` 步骤生效，非应用启动时**）。Step 1 merged; Alembic is in place — **schema changes go through a new migration, applied by the migration command, not at app startup**.
 > **产出 / Output：** 一个可独立合入的 PR。

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