Settings Providers pane keyed logos by lowercased display names
('grok build' never matched THEMED_LOGOS 'grok'); rows now come from
providerDetails ids like the rest of the app. 20 official marks added
from the repo's own assets (hermes, openclaw, antigravity, kiro, devin,
cline, roo-code, ...) and unknown providers render a first-letter
monogram badge so no detected provider is ever logoless.
