backend
免费Backend Java — Spring Boot controllers/services, JUnit controller tests, MakeMe. Read this first for any backend work. Use when working on the Java Spring backend.
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nerds-odd-e/doughnut502026年10月26日 更新
免费在 GitHub 公开
database-erd
Regenerate docs/database-erd.md from MySQL information_schema (Mermaid ERD: foreign keys and key columns). Use after Flyway schema changes, new migrations, or when the diagram is stale. Triggers on: database ERD, database-erd.md, export_database_erd, schema diagram, ER diagram after migration.
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nerds-odd-e/doughnut星标 50(GitHub 50 + cccskills 0)
集成工具MySQL
实测评分 未实测
查看安装方法包含的文件（1）
- SKILL.md2.9 KB
SKILL.md（原文）
安装前可以查看交给 AI 代理的指令内容。
<objective>
Regenerate `docs/database-erd.md` from the live MySQL catalog so the Mermaid
ERD matches the current migrated schema.
</context>
<process>
<step name="ensure_mysql">
Ensure MySQL is reachable on **127.0.0.1:3309** with user **`doughnut`**
(local dev defaults from `scripts/shell_setup.sh` / `process-compose`).
</step>
<step name="ensure_migrated_schema">
Ensure at least one migrated schema exists (Flyway has run). The script picks,
in order: **`doughnut_development`**, then **`doughnut_test`**, then
**`doughnut_e2e_test`**, unless **`DONUT_ERD_SCHEMA`** is set to a
specific catalog.
</step>
<step name="export">
From the repo root:
Purpose: Keep the schema diagram accurate after Flyway migrations — never hand-edit the Mermaid block.
Output: Updated docs/database-erd.md + summary ending with
## ERD EXPORTED.
</objective>
Run when:
- A new or changed Flyway migration alters tables, columns, or constraints
- The ERD needs to match the current migrated schema
Git does not use the Nix prefix. All other repo tooling does:
CURSOR_DEV=true nix develop -c …
Implementation:
- Script:
scripts/export_database_erd.py - Output:
docs/database-erd.md - Omits
flyway_schema_historyfrom the diagram
Overrides (optional):
| Variable | Default |
|---|---|
DONUT_ERD_SCHEMA | (auto: development → test → e2e) |
DONUT_ERD_MYSQL_HOST | 127.0.0.1 |
DONUT_ERD_MYSQL_PORT | 3309 |
DONUT_ERD_MYSQL_USER | doughnut |
DONUT_ERD_MYSQL_PASSWORD | doughnut |
CURSOR_DEV=true nix develop -c python3 scripts/export_database_erd.py
Or:
CURSOR_DEV=true nix develop -c pnpm export:database-erd
<success_criteria>
- MySQL reachable on 127.0.0.1:3309 with user
doughnut - At least one migrated schema available (or
DONUT_ERD_SCHEMAset) - Exporter run with Nix prefix
docs/database-erd.mdupdated and ready to commit- Final output includes
## ERD EXPORTED</success_criteria>
- Schema catalog used (auto-selected or
DONUT_ERD_SCHEMAoverride). - Whether
docs/database-erd.mdchanged.
## ERD EXPORTED
<out_of_scope>
- Do not hand-edit the Mermaid block in
docs/database-erd.md. </out_of_scope>
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nerds-odd-e/doughnut502026年10月26日 更新
Backend Java tests, controller-level stable-boundary tests, JUnit, @Nested, MakeMe builders, @Transactional, parameterized tests. Use when writing or changing backend JUnit tests.
中文简介正在准备中。当前显示原文说明。
nerds-odd-e/doughnut502026年10月26日 更新
cli
免费related to donut CLI. Use when working on donut-cli.
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nerds-odd-e/doughnut502026年10月26日 更新
Set up and run the Donut dev environment on Cursor Cloud VM (no Nix). Use when working on Cloud VM, running tests on Cloud VM, or encountering command errors related to missing nix. Triggers on: cloud VM, cloud agent, no nix available, /workspace path.
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nerds-odd-e/doughnut502026年10月26日 更新
Database migration, Flyway, SQL migrations, schema changes, database versioning, migration files, squashing historical migrations. Use when adding or changing Flyway migrations or schema.
中文简介正在准备中。当前显示原文说明。
nerds-odd-e/doughnut502026年10月26日 更新