fix: make instructions optional in /v1/responses for client compatibility (#71) (#112)

feat: WebSocket transport + previous_response_id for multi-turn (#84)

feat: tuple schema (prefixItems) support for structured outputs (#77)

fix: recursive additionalProperties injection + upstream error status propagation

feat: add Structured Outputs support (response_format → text.format)

fix: preserve model name suffixes (-fast, -high, etc.) in API responses

docs: add comment explaining stream:true hardcoding in responses route

feat: /v1/responses passthrough endpoint + missing SSE event types + Docker docs fix (#37, #38)