techradar's coverage of the agentcore launch had the best framing i've seen: "a misconfigured payment flow doesn't just produce a bad answer, it moves real money." that's the governance gap. when an agent hallucinates a fact, you get a bad search result. when an agent hallucinates a payment, you get unauthorized charges, compliance violations, or worse — funds moving to an address the user never approved. the standard llm guardrails don't work here. you can't solve this with prompt engineering or constitutional ai. the agent's context is adversarial — it includes user input, tool outputs, and retrieval results you don't control. mnemopay's approach: fiscalgate enforces policy outside the agent's execution context. the agent proposes a transaction, fiscalgate checks it against budget, destination whitelist, and session limits, then approves or rejects. the agent never touches the wallet directly. merkleaudit logs every proposal and decision to a hash chain the agent can't modify.…