feat(security): sign webhooks with the request-signing key; deprecate webhook-signing#5552

bokelley merged 10 commits into

adcontextprotocol:mainadcontextprotocol/adcp:mainfrom

BaiyuScope3:feat/webhook-allow-request-signing-key-reuseBaiyuScope3/adcp:feat/webhook-allow-request-signing-key-reuseCopy head branch name to clipboard