backup materials and knowledge-base docs

文档润色流和知识库构建流/claude-scholar-upstream/skills/skill-improver/references/error-handling.md

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+# Error Handling
+
+## Parse Errors
+
+**Symptom:** Cannot read improvement plan
+
+**Solutions:**
+- Verify file exists and is readable
+- Check file follows expected format
+- Ensure proper markdown structure
+
+## Conflict Errors
+
+**Symptom:** Multiple changes to same content
+
+**Solutions:**
+- Apply highest priority change
+- Flag conflict for manual review
+- Document decision in report
+
+## Edit Failures
+
+**Symptom:** Cannot find current content to replace
+
+**Solutions:**
+- Verify current content matches exactly
+- Check line numbers are correct
+- File may have been modified externally
+- Skip change and document in report
+
+## Verification Failures
+
+**Symptom:** Update broke skill structure
+
+**Solutions:**
+- Restore from backup
+- Review conflicting changes
+- Apply changes individually
+- Skip problematic changes