• Merge pull request #1583 from kaitranntt/kai/fix/cli-qa-ux-errors
• fix(dispatch): restore copilot and legacy-cursor arg passthrough
• fix(cliproxy): keep --help working for all subcommands
• fix(cliproxy): show global help regardless of flag order before --help
• fix(auth): re-export interface-only barrel symbols as types for bun dev runs
• fix(cli): warn on tokens --variant without --api-key; list bar serve in help
• fix(cliproxy): honor status --verbose and document --provider/diag in help
• chore(lint): refresh throw-error baseline for shifted and converted throws
• fix(persist): accurate symlink guard message on backup read
• fix(cliproxy): gate binary download log, fix pool message prefix and routing affinity help
• fix(doctor): keep diagnostics running on corrupt config or unreadable auth
• fix(dispatch): route unknown bar/copilot/cursor subcommands and survive corrupt config
• fix(cli): clearer profile/proxy/api errors and rich not-found suggestions
• fix(auth): de-duplicate error output and validate legacy profiles in default