style(copy): fix remaining punctuation violations and make check:copy strict

Auto-fix of 602 string literals across 74 files (half-width punctuation next to
Chinese, parenthesised Chinese, quotes); biome reflow; e2/e6 assertions follow
the new full-width summaries. check:copy now runs with --strict in ci.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/web/app/routes/console/subscriptions.tsx

@@ -393,7 +393,7 @@ export default function SubscriptionsPage() {
               icon={CalendarClock}
               title={filtered || v.group || v.kind ? "没有符合条件的订阅" : "还没有订阅"}
               description={
-                filtered || v.group || v.kind ? undefined : "从媒体库、搜索或 Agent 添加,也可以点「新建订阅」。"
+                filtered || v.group || v.kind ? undefined : "从媒体库、搜索或 Agent 添加，也可以点「新建订阅」。"
               }
             />
           ) : grouped ? (