Add auto to PermissionMode type

Author: qing-ant

src/claude_agent_sdk/types.py

@@ -22,7 +22,7 @@
 
 # Permission modes
 PermissionMode = Literal[
-    "default", "acceptEdits", "plan", "bypassPermissions", "dontAsk"
+    "default", "acceptEdits", "plan", "bypassPermissions", "dontAsk", "auto"
 ]
 
 # SDK Beta features - see https://docs.anthropic.com/en/api/beta-headers

tests/test_types.py

@@ -118,6 +118,9 @@ def test_claude_code_options_with_permission_mode(self):
         options_dont_ask = ClaudeAgentOptions(permission_mode="dontAsk")
         assert options_dont_ask.permission_mode == "dontAsk"
 
+        options_auto = ClaudeAgentOptions(permission_mode="auto")
+        assert options_auto.permission_mode == "auto"
+
     def test_claude_code_options_with_system_prompt_string(self):
         """Test Options with system prompt as string."""
         options = ClaudeAgentOptions(