In the world of DeFi, precision isn't just a requirement—it's a security primitive. My recent audits of protocols like Panoptic and Autonolas revealed a recurring theme: subtle rounding errors can lead to "dust leaks," creating a discrepancy where Total Shares exceed Total Assets. To address this, I developed Sentinel Mantle, an autonomous agent that monitors on-chain invariants and triggers emergency protection in real-time. The Problem: Invariant Deviation The most critical invariant in any vault-based protocol is: Total Assets≥Total Shares×Exchange Rate When this fails, the protocol becomes undercollateralized. Manual intervention is often too slow to prevent a bank run or an exploit. The Architecture: Clojure meets Solidity I chose Clojure for the monitoring agent due to its robust handling of state and excellent concurrency primitives, while the SentinelGuardian contract is built with Foundry on the Mantle Network.…