Summary

• Add installed-user descriptions and next-step examples to top-level CLI, bundle, audit-bundle, and doctor help.
• Make --path the visible installed-user flag for verify-bundle, inspect-bundle, and audit-bundle, while preserving --bundle-dir as an alias.
• Add doctor next steps in text and JSON output so installed users can self-check and move directly to profiles, bundle generation, and CI audit.
• Mark cli-help-self-check-audit done and move library-facade-polish-spec to ready.

Boundaries

• No release prep, version bump, tag, or publish.
• No new contract pack, provider compatibility claim, production security claim, or installed CLI execution of repo-local proof machinery.

Validation

• cargo test -p uselesskey-cli --all-features help
• cargo test -p uselesskey-cli --all-features doctor
• cargo run -p uselesskey-cli -- --help
• cargo run -p uselesskey-cli -- bundle --help
• cargo run -p uselesskey-cli -- audit-bundle --help
• cargo run -p uselesskey-cli -- doctor --format json
• cargo run -p uselesskey-cli -- verify-bundle --help
• cargo run -p uselesskey-cli -- inspect-bundle --help
• cargo fmt --all -- --check
• cargo +nightly xtask pr-lite
• cargo +nightly xtask external-adoption-smoke --path .
• git diff --check