The Studio design system, widgets and helpers carried a Fai* / fai_
prefix (FaiSpace, FaiColors, FaiTheme, FaiLog, 17 fai_*.dart files, the
faiBinary* l10n keys). Studio is the Ch∆In product, so rename them to
Chain* / chain_ — carefully preserving English fail/failure/failed.
Also fix stale references: the 'fai' binary in l10n strings -> 'chain',
FAI_* env vars (FAI_BIN/DATA_DIR/MODULES_DIR/TODAY/BOOTSTRAP_TOKEN) ->
CHAIN_*, fai_platform -> fai_chain, fai_hub -> chain_hub. Vendor
security-hook tooling (FAI_BANNED_TERMS_FILE) + the .fai bundle ext left.
flutter analyze + test: clean (20 passed).
Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
Studio plugins moved to a dedicated fai_plugins/ workspace
directory; integration test path updated to match.
Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
Wraps the new InvokePluginTheme RPC and ships an end-to-end
test that loads studio-theme-solarized into a fresh
HubFixture and asserts the light/dark schemes round-trip.
Signed-off-by: flemming-it <sf@flemming.it>
Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
