Sequences the 13 B-scope items from docs/whisper-ecosystem/brief.md
into three phases (pre-emptive UX, feature pinches, LLM layer) with
stop-for-review boundaries between each.
Enumerates the Settings sections touched per item (net: +2 toggles,
+2 sub-cards, nothing invisible becomes visible), the new
SettingsState fields with defaults, the schema migration bump
(version 1 -> 2), and the explicit Workstream A dependencies +
stubbed fallbacks for each (#14 list_gpus, #30 streaming cleanup,
#31 llm-state-change event).
Co-authored-by: jars <jakejars@users.noreply.github.com>
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