Clean up the output of all CLI commands
Now that the CLI tool has undergone a lot of development; the `upload` and `download` commands got deprecated in favor of `push` and `pull`, and the `build` command was rewritten from the ground up, we accumulated inconsistencies in the output of the various commands. Also, since the original output was designed about a year ago, AI coding agents became important consumers of these commands. It's time to consolidate, simplify, and rethink the output of all CLI commands.
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