chore: bootstrap independent git workflow

Co-Authored-By: Paperclip <noreply@paperclip.ing>

examples/README.md

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+# dbtool-cli-v1 Demo Assets
+
+These assets give backend, frontend, and QA one small shared dataset for PostgreSQL, MySQL, and SQLite.
+
+## Current Status
+
+- Demo fixtures, seed scripts, and smoke inputs are staged.
+- PostgreSQL、MySQL 和 SQLite driver behavior now exists for `connect`, `inspect`, and `query`.
+- `export` execution to CSV / JSON now exists behind the shared query-result model.
+- Use these files as the shared data baseline for backend, frontend, and QA verification.
+
+## Layout
+
+- `examples/fixtures/` — seed SQL per database plus expected assertions
+- `examples/sql/` — happy-path and failure-path query inputs
+- `examples/scripts/` — repeatable bootstrap helpers
+
+## Intended QA Coverage
+
+- `connect` against PostgreSQL, MySQL, SQLite
+- `inspect` schemas / tables / columns
+- `query` from inline SQL or file input
+- `export` to CSV / JSON from a known query
+
+## MySQL Bootstrap Note
+
+- `examples/fixtures/mysql/init.sql` 会显式授予 `dbtool` 用户对 `qa_demo` 的权限
+- 这样可避免 demo 容器默认库名与 QA 目标库名不一致时，`dbtool` 无法访问 `qa_demo`
+
+## SQLite Bootstrap Note
+
+- `examples/scripts/bootstrap-sqlite.sh` 现支持 `sqlite3`、`node:sqlite` 或 `python3 sqlite3` 三种 seed 路径
+- SQLite demo inspect 语义使用 `main` 作为 schema 名称
+- SQLite demo query 目前按单条 statement 执行，多语句输入会明确失败
+
+## Known Blocker
+
+The seed data is ready, and PostgreSQL / MySQL / SQLite query and export flows are implemented, but these assets still cannot serve as release evidence until the full smoke path runs in a Docker-capable environment.