vibra-toolchain

Install and drive the Vibra pre-alpha toolchain, the vibra CLI. Use to set up vibra, create a project with vibra project init, edit project.vibon (targets, entry, effect consent), lay out src/ and tests/, and run vibra fmt, vibra check, vibra run, and vibra test. It also covers reading JSON diagnostics and exit codes and fixing a failing build or test in a Vibra project.