5253033
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Changed
- Restored the Codex-current default backend to hosted Responses image_generation at /responses.
- Added --backend images / CODEX_IMAGEN_BACKEND=images for probing Codex's under-development standalone typed Images endpoints: /images/generations and /images/edits.
- Added backend-specific model defaults: gpt-5.4 for hosted Responses and gpt-image-2 for typed Images.
- Updated request headers to use Codex-style originator: codex_cli_rs and user-agent values, and added restricted ChatGPT Cloudflare cookie handling for backend requests.
- Added the bin/codex-imagen.js executable wrapper and package bin metadata.
Fixed
- Follow Codex SSE semantics for broken hosted Responses streams: completed image files remain saved, but a later transport termination or stream close before response.completed exits with a stream error instead of reporting partial success.