Support the OpenAI Responses WebSocket API (`wss://.../v1/responses`) for bidirectional frame proxying with usage tracking. Fix Codex CLI client config examples to use profiles and correct flags. Update openai-go v3.24.0 → v3.26.0.
Support the OpenAI Responses WebSocket API (`wss://.../v1/responses`) for bidirectional frame proxying with usage tracking. Fix Codex CLI client config examples to use profiles and correct flags. Update openai-go v3.24.0 → v3.26.0.