backup materials and knowledge-base docs

文档润色流和知识库构建流/claude-scholar/skills/bug-detective/references/debugging-tools.md

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+# Debugging Tools
+
+## Python
+```bash
+python -m pdb script.py
+python -m traceback your_script.py
+pytest -x -vv tests/test_target.py
+```
+
+## Node.js
+```bash
+node --inspect-brk app.js
+node --trace-warnings app.js
+npm test -- --runInBand
+```
+
+## Git
+```bash
+git bisect start
+git bisect bad
+git bisect good <known-good-commit>
+```
+
+## Shell
+```bash
+bash -n script.sh
+bash -x script.sh
+shellcheck script.sh
+```