fix: accept list-form system_prompt in ClaudeAgentOptions#1040
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ashishpatel26 wants to merge 1 commit into
Open
fix: accept list-form system_prompt in ClaudeAgentOptions#1040ashishpatel26 wants to merge 1 commit into
ashishpatel26 wants to merge 1 commit into
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…#899) The Anthropic Messages API supports system as either a string or a list of content blocks (for cache_control etc.). The SDK previously only accepted strings for system_prompt. - types.py: broaden system_prompt type to str | list[dict[str, Any]] | SystemPromptPreset | SystemPromptFile | None - subprocess_cli.py: serialize list-form system prompt to JSON when building CLI args - tests/test_transport.py: tests for list-form, string, and None system_prompt CLI arg handling
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Summary
Resolves #899
The Anthropic Messages API supports
systemas either astringor alist[dict](multi-block withcache_controlsupport). The SDK previously only accepted strings forsystem_prompt.Changes Made
src/claude_agent_sdk/types.py: broadensystem_prompttype tostr | list[dict[str, Any]] | SystemPromptPreset | SystemPromptFile | Nonesrc/claude_agent_sdk/_internal/transport/subprocess_cli.py: serialize list-form system prompt to JSON when building CLI argstests/test_transport.py: tests for list-form system_prompt CLI arg serializationTesting
--system-promptargRelated Issue
Closes #899