feat(web): answerable ask_user_question flow with toolview verdict row

The pending question now owns exactly two surfaces: the redesigned
QuestionComposer takeover (footer pager, checkbox multi-select,
always-visible custom input, locale-injected bilingual chrome) collects
the answers, and a dedicated ask_user_question toolview row reports the
interaction outcome — waiting, N/M answered, cancelled (ASK_CANCELLED),
or interrupted with stopped semantics (ASK_ABORTED). PendingCard narrows
to approval waits only. Toolview leading icons and the hover chevron
unify on the tertiary label color, the checklist glyph matches the
14px figma extract, and dev-watch registers CSS modules so css-only
edits rebuild.

packages/client/ui-question/README.i18n.yaml

@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-README.md: 28132d1d0643f5e8f658ab77de9017467da2d172
-README.zh.md: c70e77fc90eb5b226ceabd8a1e7cc7ca6c011c40
+#   pnpm run verify-translation-pairing --write packages/client/ui-question/README.md
+README.md: 4611fc340426098bc1aa12f17e580fd829f0c702
+README.zh.md: 50e69a25175a948c6c026a35d9a549397f820be6