SKILL: Prototype Pollution Advanced — RCE & Gadget Exploitation AI LOAD INSTRUCTION : Advanced prototype pollution escalation. Covers server-side RCE via template engines (EJS, Pug, Handlebars), Node.js child process gadgets, client-side script gadgets, filter bypass patterns, and systematic detection. Load ../prototype-pollution/SKILL.md first for fundamentals (merge sinks, vs , basic probes). 0. RELATED ROUTING - prototype-pollution — LOAD FIRST for PP fundamentals, merge-sink detection, basic probes - ssti-server-side-template-injection — template engine RCE context (PP often triggers thro…