anthropic.internal.Prompt
Anthropic carries system content outside the alternating messages list. Keep that split provider-local while preserving the authored prompt roles.
Reference version
Signature
class anthropic.internal.PromptAnthropic carries system content outside the alternating messages list. Keep that split provider-local while preserving the authored prompt roles.
Source:<builtin>/anthropic/ns_internal/messages.bamlbytes 9777–9843