feat(cli): add completion installer; standardize output mode; add 'struct init' scaffolder#106

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httpdss merged 2 commits intomainfrom

feat/97-cli-ux-and-discoverability

Aug 12, 2025

Commits on Aug 12, 2025

feat(cli): add 'struct completion install' and update docs (README, cli-reference, completion guide)\n\n- New subcommand: completion install [bash|zsh|fish]\n- Prints exact commands to enable argco…
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test(cli): add unit tests for completion installer
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