backup materials and knowledge-base docs

文档润色流和知识库构建流/claude-scholar/skills/code-review-excellence/references/security-review-guide.md

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+# Security Review Guide
+
+## Check for
+- unsanitized input,
+- SQL or shell injection,
+- insecure deserialization,
+- secret leakage,
+- missing authz checks,
+- unsafe filesystem or network defaults.
+
+## Review note pattern
+`Blocking: this path accepts untrusted input and passes it to X without validation.`