Go CLI Terminal Experience

Make interaction an explicit mode, not an accidental consequence of where the process runs. Preserve stable data and failure contracts underneath rich output.

Core Workflow

1. Identify the caller and choose human, plain, or structured mode.
2. Detect terminal capabilities separately for stdin, stdout, and stderr.
3. Define stable stdout data, stderr diagnostics, and noninteractive behavior.
4. Add color, prompts, progress, or a dashboard only in compatible modes.
5. Propagate cancellation and treat a downstream closed pipe as normal completion.
6. Test terminals, redirection, CI, agents, accessibility controls, and interruption.

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