belt cli belt is the cloud platform cli for ai agents. single 4mb binary, no runtime dependencies. using a purpose-built cli means your agent operates through a constrained, typed interface instead of writing raw curl commands or sdk calls. every operation goes through schema validation — fewer tokens, fewer errors, and no credential leakage. install first check if belt is already installed: if already installed, skip to authenticate. package managers (recommended — verified through each registry's trust chain): manual install (full control — download, verify, then run): the installer is a sh…