fix: auto-fix code issues (cron)

- 修复缺失导入: main.py 添加 AttributeTemplate 和 EntityAttribute 导入
- 修复裸异常捕获: 将 BaseException 改为具体异常类型
  - neo4j_manager.py: Exception
  - main.py: json.JSONDecodeError, ValueError, Exception
  - export_manager.py: AttributeError, TypeError, ValueError
  - localization_manager.py: ValueError, AttributeError
  - performance_manager.py: TypeError, ValueError
  - plugin_manager.py: OSError, IOError
- 修复部分行长度问题: security_manager.py 长行拆分

backend/localization_manager.py

@@ -1337,7 +1337,7 @@ class LocalizationManager:
                         return dates.format_time(dt, locale=locale)
                     else:
                         return dates.format_datetime(dt, locale=locale)
-                except BaseException:
+                except (ValueError, AttributeError):
                     pass
             return dt.strftime(fmt)
         except Exception as e:
@@ -1354,7 +1354,7 @@ class LocalizationManager:
                     return numbers.format_decimal(
                         number, locale=locale, decimal_quantization=(decimal_places is not None)
                     )
-                except BaseException:
+                except (ValueError, AttributeError):
                     pass
             if decimal_places is not None:
                 return f"{number:,.{decimal_places}f}"
@@ -1369,7 +1369,7 @@ class LocalizationManager:
                 try:
                     locale = Locale.parse(language.replace("_", "-"))
                     return numbers.format_currency(amount, currency, locale=locale)
-                except BaseException:
+                except (ValueError, AttributeError):
                     pass
             return f"{currency} {amount:,.2f}"
         except Exception as e: