Font status: assert untagged CJK fallback reaches SC

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QKxGW1raAWaqeU8WdHsMsp

bin/omarchy-cn-font-status

@@ -24,4 +24,13 @@ else
   failures=$((failures + 1))
 fi
 
+# Untagged requests (Chromium/Electron path) must reach SC before JP/KR
+untagged=$(fc-match --sort sans-serif | grep -m1 -oE 'CJK (SC|JP|TC|KR|HK)' || true)
+if [[ $untagged == "CJK SC" ]]; then
+  echo "PASS fallback: untagged CJK -> SC"
+else
+  echo "FAIL fallback: untagged CJK -> ${untagged:-none} (expected SC)"
+  failures=$((failures + 1))
+fi
+
 exit $((failures > 0 ? 1 : 0))