大改版，可以针对不同项目引擎进行初始化

.cursor/bootstrap/fragments/common.gitattributes

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+# Changelog 视图由多个 fragment 生成；并行分支合并时保留双方新增行。
+.cursor/changelog/changelog-full.md      text eol=lf merge=union
+.cursor/changelog/changelog-headlines.md text eol=lf merge=union
+.cursor/changelog/changelog-recent.md    text eol=lf merge=union
+.cursor/changelog/changelog-by-author.md text eol=lf merge=union
+
+# 跨平台脚本、配置和文档统一使用 LF。
+*.ps1  text eol=lf
+*.sh   text eol=lf
+*.py   text eol=lf
+*.json text eol=lf
+*.md   text eol=lf
+*.mdc  text eol=lf
+*.yml  text eol=lf
+*.yaml text eol=lf
+*.toml text eol=lf
+*.cfg  text eol=lf

.cursor/bootstrap/fragments/common.gitignore

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+# === Cursor runtime ===
+.cursor/local-env.json
+.cursor/changelog/.changelog-ack
+.cursor/changelog/.session-start
+.cursor/_init-backup/
+.cursor/_gitignore-preview
+
+# .cursor/.init-done 是需提交的完成标记，不得忽略
+!.cursor/.init-done
+
+# === OS ===
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+Desktop.ini
+$RECYCLE.BIN/
+.DS_Store
+._*
+.Spotlight-V100
+.Trashes
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+
+# === IDE ===
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.idea/
+*.iml
+
+# === Python ===
+__pycache__/
+*.py[cod]
+*$py.class
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.coverage
+htmlcov/
+.venv/
+venv/
+
+# === Common build output ===
+/build/
+/dist/
+/out/
+
+# === Custom ===
+*.log
+*.tmp