Every agent trust proposal is building the wrong thing

I've spent weeks reading through GitHub issues across A2A, MCP, OWASP, CrewAI, LangChain, AutoGen, W3C, AWS, and about a dozen other repos. The pattern is the same everywhere: someone opens a thread about agent trust, and within 50 comments there are 5 separate proposals for 5 separate systems that don't compose. Identity registry over here. Trust scoring API over there. Audit trail database in the corner. Delegation protocol on top. Sybil detection as a roadmap item for later. None of these projects are wrong about the problem. They're all building the wrong solution. The pattern Pick any thread. Someone proposes DID-based identity. Someone else points out that identity doesn't equal trust. A third person proposes a trust scoring service. A fourth asks where the trust data comes from. The conversation loops for 200 comments and nothing ships. The discussions are smart. The people in them are building real things. But they all start from the same assumption: that trust is a feature you