feat: 添加 i18n_getmsgs 端点支持多语言翻译

wwwroot/i18n_getmsgs.dspy

@@ -0,0 +1,18 @@
+import json
+import os
+
+def main():
+    lang = params.get('lang', 'zh')
+    i18n_dir = os.path.join(os.path.dirname(__file__), 'i18n', lang)
+    i18n_file = os.path.join(i18n_dir, 'i18n.json')
+    
+    if os.path.exists(i18n_file):
+        with open(i18n_file, 'r', encoding='utf-8') as f:
+            msgs = json.load(f)
+    else:
+        msgs = {}
+    
+    return json.dumps({
+        "success": True,
+        "msgs": msgs
+    }, ensure_ascii=False)