backup materials and knowledge-base docs

文档润色流和知识库构建流/claude-scholar-upstream/skills/defuddle/SKILL.md

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+---
+name: defuddle
+description: Extract clean Markdown from web pages. In the KB workflow, use it as a utility under obsidian-source-ingestion.
+---
+
+# Defuddle
+
+Use Defuddle as a utility for `obsidian-source-ingestion`.
+
+Typical KB target for web content:
+- `Sources/Web/`
+
+Typical command:
+
+```bash
+defuddle parse <url> --md
+```