Shield v0.3.1

Added

• C# Semgrep rules (csharp.yaml) — 10 security rules covering SQL injection, command injection, XSS (Html.Raw), insecure deserialization (BinaryFormatter), hardcoded credentials, weak crypto (MD5/SHA1/DES), SSRF, open redirect, and missing HTTPS enforcement
• jq validation in check-prereqs.sh — now checks 16 tools
• Maven and Gradle added to README prerequisites table

Fixed

• Rule count references corrected to 82 across 8 languages
• Package manager count corrected to 12 (includes Bun)
• Architecture section now lists all 12 scripts
• SKILL.md prerequisites now include jq, Trivy, and cargo-outdated

Stats

• 82 Semgrep rules across 8 languages (JS/TS, Python, PHP, Go, Ruby, Rust, Java, C#)
• 12 package managers supported
• 16 tool checks in prerequisites
• 191 unit tests passing

Full Changelog

v0.3.0...v0.3.1