AWS AgentCore Payments launched — now agents need governance

amazon bedrock agentcore payments went live this week with coinbase x402 and stripe privy. agents can now pay for web content, apis, mcp servers, and other agents. the rails are here. what's missing is the governance layer. a misconfigured payment flow doesn't just produce a bad answer — it moves real money. agents need audit trails that survive the session, budget enforcement that can't be prompt-injected away, and reputation scores that travel with the agent across platforms. that's the proble