fix: add codex forward-compat model listing
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@@ -18,6 +18,36 @@ DEFAULT_CODEX_MODELS: List[str] = [
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"gpt-5.1-codex-mini",
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]
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_FORWARD_COMPAT_TEMPLATE_MODELS: List[tuple[str, tuple[str, ...]]] = [
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("gpt-5.3-codex", ("gpt-5.2-codex",)),
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("gpt-5.4", ("gpt-5.3-codex", "gpt-5.2-codex")),
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("gpt-5.3-codex-spark", ("gpt-5.3-codex", "gpt-5.2-codex")),
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]
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def _add_forward_compat_models(model_ids: List[str]) -> List[str]:
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"""Add Clawdbot-style synthetic forward-compat Codex models.
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If a newer Codex slug isn't returned by live discovery, surface it when an
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older compatible template model is present. This mirrors Clawdbot's
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synthetic catalog / forward-compat behavior for GPT-5 Codex variants.
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"""
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ordered: List[str] = []
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seen: set[str] = set()
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for model_id in model_ids:
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if model_id not in seen:
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ordered.append(model_id)
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seen.add(model_id)
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for synthetic_model, template_models in _FORWARD_COMPAT_TEMPLATE_MODELS:
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if synthetic_model in seen:
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continue
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if any(template in seen for template in template_models):
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ordered.append(synthetic_model)
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seen.add(synthetic_model)
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return ordered
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def _fetch_models_from_api(access_token: str) -> List[str]:
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"""Fetch available models from the Codex API. Returns visible models sorted by priority."""
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@@ -54,7 +84,7 @@ def _fetch_models_from_api(access_token: str) -> List[str]:
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sortable.append((rank, slug))
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sortable.sort(key=lambda x: (x[0], x[1]))
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return [slug for _, slug in sortable]
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return _add_forward_compat_models([slug for _, slug in sortable])
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def _read_default_model(codex_home: Path) -> Optional[str]:
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@@ -125,7 +155,7 @@ def get_codex_model_ids(access_token: Optional[str] = None) -> List[str]:
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if access_token:
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api_models = _fetch_models_from_api(access_token)
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if api_models:
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return api_models
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return _add_forward_compat_models(api_models)
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# Fall back to local sources
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default_model = _read_default_model(codex_home)
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@@ -140,4 +170,4 @@ def get_codex_model_ids(access_token: Optional[str] = None) -> List[str]:
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if model_id not in ordered:
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ordered.append(model_id)
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return ordered
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return _add_forward_compat_models(ordered)
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