six flags declared on `LaunchFlags` were silently dropped at the CLI
layer — `--role`, `--groups`, `--message-mode`, `--system-prompt`,
`--continue`, and `--quiet`. each was honored inside `runLaunch` if it
arrived, but the four call sites in the entrypoint forwarded a hardcoded
5-key subset.
now forwarded at every entry: bare command, bare invite URL, the
launch/connect verb, and the new workspace launch alias. pure plumbing;
no behaviour change for users who weren't passing these flags.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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