* feat(macos): add Quick Chat power features
* docs(macos): document Quick Chat power features
* chore(i18n): refresh native locale artifacts for Quick Chat power features
* fix(macos): update DEBUG test helper sendProvider to the reasoning-threaded arity
* feat(clients): provider-grouped model picker with fast, verbosity, and inherited-thinking controls
* chore(i18n): translate model-control strings and regenerate platform catalogs
* feat(clients): inherited-default restore for fast mode and verbosity controls
* fix(clients): preserve control state in thinking snapshots and persist inherited verbosity
* chore(i18n): resync native inventory after rebase onto message-reader main
* chore(i18n): realign locale artifacts after rebase onto message-reader main
* refactor(clients): drop superseded fast-mode accessors and picker convenience flagged by periphery
* chore(i18n): resync inventory line refs after dead-code removal