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The _CODEX_AUX_MODEL constant had already rotated twice in 6 weeks (gpt-5.3-codex -> gpt-5.2-codex -> now broken again at gpt-5.2-codex) because ChatGPT-account Codex gates which models it accepts via an undocumented, shifting allow-list that OpenAI publishes no changelog for. Any pinned default will keep going stale. Issue #17533 reports the current breakage: every ChatGPT-account auxiliary fallback fails with HTTP 400 "model is not supported" and the 60s pause loop degrades long sessions. Rather than reset the clock with another stale pin (PR #17544 proposes gpt-5.2-codex -> gpt-5.4), remove the hardcoded second-order Codex fallback entirely: - Delete `_CODEX_AUX_MODEL`. - Drop `_try_codex` from `_get_provider_chain()` (the auto chain now ends at api-key providers; 4 rungs instead of 5). - Rename `_try_codex() -> _build_codex_client(model)` and require an explicit model from the caller. No more guessing. - `resolve_provider_client("openai-codex", model=None)` now warns and returns (None, None) instead of silently guessing a stale model ID. - Remove `_try_codex` from the `provider="custom"` fallback ladder (same stale-constant trap). - `_resolve_strict_vision_backend("openai-codex")` routes through `resolve_provider_client` so the caller's explicit model is honored. Codex-main users are unaffected: Step 1 of `_resolve_auto` already uses `main_provider` + `main_model` directly and passes the user's configured Codex model through `resolve_provider_client`, which never touched `_CODEX_AUX_MODEL`. Per-task overrides (`auxiliary.<task>.provider/model`) continue to work and are the supported way to route specific aux tasks through Codex. Users whose main provider fails with a payment/connection error and who have ONLY ChatGPT-account Codex auth will now see the 60s pause without a stale-model-rejection noise line in between -- same outcome, cleaner failure. Closes #17533. Supersedes #17544 (which resets the clock on the same stale-constant problem). |
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| .. | ||
| transports | ||
| __init__.py | ||
| test_anthropic_adapter.py | ||
| test_anthropic_keychain.py | ||
| test_auxiliary_client.py | ||
| test_auxiliary_client_anthropic_custom.py | ||
| test_auxiliary_config_bridge.py | ||
| test_auxiliary_main_first.py | ||
| test_auxiliary_named_custom_providers.py | ||
| test_auxiliary_transport_autodetect.py | ||
| test_bedrock_1m_context.py | ||
| test_bedrock_adapter.py | ||
| test_bedrock_integration.py | ||
| test_codex_cloudflare_headers.py | ||
| test_compress_focus.py | ||
| test_compressor_image_tokens.py | ||
| test_context_compressor.py | ||
| test_context_engine.py | ||
| test_context_references.py | ||
| test_copilot_acp_client.py | ||
| test_credential_pool.py | ||
| test_credential_pool_routing.py | ||
| test_crossloop_client_cache.py | ||
| test_curator.py | ||
| test_curator_reports.py | ||
| test_deepseek_anthropic_thinking.py | ||
| test_direct_provider_url_detection.py | ||
| test_display.py | ||
| test_display_emoji.py | ||
| test_error_classifier.py | ||
| test_external_skills.py | ||
| test_gemini_cloudcode.py | ||
| test_gemini_free_tier_gate.py | ||
| test_gemini_native_adapter.py | ||
| test_gemini_schema.py | ||
| test_image_gen_registry.py | ||
| test_image_routing.py | ||
| test_insights.py | ||
| test_kimi_coding_anthropic_thinking.py | ||
| test_local_stream_timeout.py | ||
| test_memory_provider.py | ||
| test_memory_session_switch.py | ||
| test_memory_user_id.py | ||
| test_minimax_auxiliary_url.py | ||
| test_minimax_provider.py | ||
| test_model_metadata.py | ||
| test_model_metadata_local_ctx.py | ||
| test_model_metadata_ssl.py | ||
| test_models_dev.py | ||
| test_moonshot_schema.py | ||
| test_nous_rate_guard.py | ||
| test_onboarding.py | ||
| test_prompt_builder.py | ||
| test_prompt_caching.py | ||
| test_proxy_and_url_validation.py | ||
| test_rate_limit_tracker.py | ||
| test_redact.py | ||
| test_shell_hooks.py | ||
| test_shell_hooks_consent.py | ||
| test_skill_commands.py | ||
| test_skill_commands_reload.py | ||
| test_streaming_context_scrubber.py | ||
| test_subagent_progress.py | ||
| test_subagent_stop_hook.py | ||
| test_subdirectory_hints.py | ||
| test_title_generator.py | ||
| test_unsupported_parameter_retry.py | ||
| test_unsupported_temperature_retry.py | ||
| test_usage_pricing.py | ||
| test_vision_resolved_args.py | ||