feat: i18n 개선 및 userfront 로그인/로케일 보완

scripts/sync_userfront_locales.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+set -e
+
+# 루트 locales/*.toml -> userfront/assets/translations/ 동기화
+# - userfront에서 사용하는 섹션만 추출
+# - {{param}} -> {param} 변환 (easy_localization 포맷)
+repo_root="$(cd "$(dirname "$0")/.." && pwd)"
+src_dir="$repo_root/locales"
+dest_dir="$repo_root/userfront/assets/translations"
+
+mkdir -p "$dest_dir"
+
+filter_toml() {
+  src_file="$1"
+  dest_file="$2"
+  awk '
+    function allowed(section) {
+      return section ~ /^(ui\.userfront|msg\.userfront|err\.userfront|ui\.common)(\.|$)/;
+    }
+    BEGIN { keep = 0; }
+    {
+      line = $0;
+      if (match(line, /^[[:space:]]*\[[^]]+\][[:space:]]*$/)) {
+        section = line;
+        gsub(/^[[:space:]]*\[/, "", section);
+        gsub(/\][[:space:]]*$/, "", section);
+        keep = allowed(section);
+        if (keep) {
+          print line;
+        }
+        next;
+      }
+      if (keep) {
+        print line;
+      }
+    }
+  ' "$src_file" \
+    | sed -E 's/\{\{[[:space:]]*([a-zA-Z0-9_]+)[[:space:]]*\}\}/{\1}/g' \
+    > "$dest_file"
+}
+
+for file in "$src_dir"/*.toml; do
+  base="$(basename "$file")"
+  filter_toml "$file" "$dest_dir/$base"
+done
+
+echo "Synced locales to userfront assets: $dest_dir"