Update documentation and code snippets

docs/code_snippets/response/snippet6.py

@@ -1,5 +1,6 @@
 from argenta import Command, Response, Router
 from argenta.command import Flag, Flags
+from argenta.command.flag import ValidationStatus
 from argenta.response import ResponseStatus
 
 router = Router(title="Flags Example")
@@ -9,14 +10,15 @@ router = Router(title="Flags Example")
     Command(
         "process",
         description="Process with flags",
-        flags=Flags([Flag("format", possible_values=["json", "xml"]), Flag("verbose")]),
+        flags=Flags([
+            Flag("format", possible_values=["json", "xml"]), 
+            Flag("verbose")
+        ]),
     )
 )
 def process_handler(response: Response):
-    # Проверяем статус валидации флагов
-    print(f"Status: {response.status.value}")
+    print(f"Status: {response.status}")
 
-    # Работаем с флагами
     format_flag = response.input_flags.get_flag_by_name("format")
     verbose_flag = response.input_flags.get_flag_by_name("verbose")
 
@@ -27,11 +29,10 @@ def process_handler(response: Response):
     if verbose_flag:
         print("Verbose mode enabled")
 
-    # Проверяем валидность флагов
     if response.status == ResponseStatus.ALL_FLAGS_VALID:
         print("All flags are valid, proceeding...")
     elif response.status == ResponseStatus.INVALID_VALUE_FLAGS:
         print("Warning: Some flags have invalid values")
         for flag in response.input_flags:
-            if flag.status and flag.status.name == "INVALID":
+            if flag.status == ValidationStatus.INVALID:
                 print(f"  Invalid flag: {flag.string_entity} = {flag.input_value}")