learnings

MEDIUM W012: Unverifiable external dependency detected (runtime URL that controls agent).

• Potentially malicious external URL detected (high risk: 0.70). The helper script will run "brew install tkersey/tap/learnings" at runtime on macOS, which fetches and installs remote code (the tkersey/tap Homebrew formula providing the learnings/append_learning binaries) that the skill then executes and relies on, so this is a runtime external dependency that executes remote code.