Contract Pre-Flight Dry-run any Stacks contract call against live mainnet state without broadcasting. Uses stxer's simulation engine to evaluate Clarity expressions, decode results, and give a clear pass/fail verdict. If the simulation returns or a runtime error, the skill blocks broadcast and explains why. What it does Before you broadcast a contract call, this skill creates a simulation session, runs your Clarity expression against the current chain state, and tells you whether it would succeed or fail. No gas spent. No on-chain state changed. Just a verdict: safe to broadcast, or not. Why…