chore: make non-i18n code English-only (#117)

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

packages/web/src/features/chat/approval-buttons.tsx

@@ -24,7 +24,7 @@ export function ApprovalButtons({
   };
 
   // Text at every breakpoint (per review): action buttons the user presses must read as words —
-  // "允许/Allow" and "拒绝/Deny" — never as bare glyphs; iconic shorthand is reserved for
+  // "Allow" and "Deny" — never as bare glyphs; iconic shorthand is reserved for
   // passive indicators. The buttons live on their own row under the (wrapping) argument
   // preview, so the words cost no width the pending card doesn't already have.
   return (

packages/web/src/features/chat/draft-view.tsx

@@ -683,8 +683,8 @@ const versionBadgeClass =
   "ml-1.5 inline-block rounded-full bg-[var(--accent-bg)] px-1.5 align-super text-[10px] font-medium leading-4 text-[var(--accent-fg)] transition-opacity duration-150 hover:opacity-80";
 
 /**
- * Quiet version line under the brand subtitle: `vX.Y.Z · 最近更新日期 7 月 26 日` /
- * `… · Last updated Jul 26`. The product name is not repeated here — the brand wordmark
+ * Quiet version line under the brand subtitle: `vX.Y.Z · Last updated Jul 26`
+ * (localized per dictionary). The product name is not repeated here — the brand wordmark
  * sits directly above, and the sidebar's version footer is bare `vX.Y.Z` too. The date is
  * the running version's release
  * date, stamped into core's BUILD_DATE at build time — displayed as-is, no network;

packages/web/src/features/chat/tool-call-card.tsx

@@ -205,7 +205,7 @@ export function ToolCallCard({ item, ctx }: { item: ToolCallItem; ctx: StreamRen
       : failed
         ? "failed"
         : "done";
-  // Decision wording ("Approved · manual" / "已拒绝 · 手动" …): carried ONLY by the left status
+  // Decision wording ("Approved · manual", "Denied · manual", …): carried ONLY by the left status
   // icon's title/aria-label — per review the row shows no visible decision text at any
   // breakpoint; the icon is the single source of truth for how the call was decided.
   const decisionText = item.decision