feat(pysdk): Add 'auto' to PermissionMode type

src/claude_agent_sdk/client.py

@@ -252,6 +252,7 @@ async def set_permission_mode(self, mode: PermissionMode) -> None:
                 - 'plan': Plan-only mode (no tool execution)
                 - 'bypassPermissions': Allow all tools (use with caution)
                 - 'dontAsk': Allow all tools without prompting
+                - 'auto': Automatically determine permission mode
 
         Example:
             ```python

src/claude_agent_sdk/query.py

@@ -58,6 +58,7 @@ async def query(
                  - 'plan': Plan-only mode (no tool execution)
                  - 'bypassPermissions': Allow all tools (use with caution)
                  - 'dontAsk': Allow all tools without prompting
+                 - 'auto': Automatically determine permission mode
                  Set options.cwd for working directory.
         transport: Optional transport implementation. If provided, this will be used
                   instead of the default transport selection based on options.

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(