Remove env fallback for model choices

bot/codex_runner.py

@@ -44,7 +44,6 @@ class ModelChoice:
 @dataclass(frozen=True)
 class ModelOptions:
     models: tuple[ModelChoice, ...]
-    fallback: bool = False
     error: str | None = None
 
     def by_value(self, value: str | None) -> ModelChoice | None:
@@ -208,15 +207,6 @@ def _codex_config() -> CodexConfig:
     return CodexConfig(codex_bin=config.CODEX_BIN)
 
 
-def _fallback_model_options(error: str | None = None) -> ModelOptions:
-    all_efforts = tuple(effort.value for effort in ReasoningEffort)
-    models = tuple(
-        ModelChoice(label=label, value=value, efforts=all_efforts)
-        for label, value in config.MODEL_CHOICES
-    )
-    return ModelOptions(models=models, fallback=True, error=error)
-
-
 def _reasoning_efforts(raw_options: Any) -> tuple[str, ...]:
     efforts: list[str] = []
     for option in raw_options or []:
@@ -235,7 +225,7 @@ async def list_model_options() -> ModelOptions:
 
             response = await codex.models()
     except Exception as exc:
-        return _fallback_model_options(error=str(exc))
+        return ModelOptions(models=(), error=str(exc))
 
     models: list[ModelChoice] = []
     for model in response.data:
@@ -251,7 +241,7 @@ async def list_model_options() -> ModelOptions:
         )
 
     if not models:
-        return _fallback_model_options(error="Codex returned no visible models")
+        return ModelOptions(models=(), error="Codex returned no visible models")
 
     return ModelOptions(models=tuple(models))
 

bot/config.py

@@ -37,28 +37,3 @@ SYSTEM_PROMPT = os.environ.get(
     "Execute the tasks you are given carefully. Answer concisely: the reply is shown "
     "in a Telegram chat. Reply in the same language the user writes in.",
 )
-
-
-def _parse_model_choices(raw: str) -> list[tuple[str, str]]:
-    choices: list[tuple[str, str]] = []
-    for item in raw.split(","):
-        item = item.strip()
-        if not item:
-            continue
-        if "=" in item:
-            label, value = item.split("=", 1)
-        else:
-            label = value = item
-        label = label.strip()
-        value = value.strip()
-        if label and value:
-            choices.append((label, value))
-    return choices
-
-
-MODEL_CHOICES = _parse_model_choices(
-    os.environ.get(
-        "CODEX_MODEL_CHOICES",
-        "GPT-5.5=gpt-5.5,GPT-5.4=gpt-5.4,GPT-5.4 mini=gpt-5.4-mini",
-    )
-)

bot/main.py

@@ -174,11 +174,14 @@ async def cmd_compact(_, message: Message):
 async def cmd_model(_, message: Message):
     loading = await message.reply_text("Загружаю список моделей Codex...")
     options = await _model_options()
-    text = MODEL_TEXT
-    if options.fallback:
-        text += "\n\nНе удалось получить live-список, показываю fallback из env."
+    if options.error or not options.models:
+        await loading.edit_text(
+            "Не удалось загрузить список моделей из Codex. "
+            "Проверьте авторизацию и логи бота."
+        )
+        return
     await loading.edit_text(
-        text,
+        MODEL_TEXT,
         parse_mode=ParseMode.MARKDOWN,
         reply_markup=_model_keyboard(message.chat.id, options),
     )
@@ -198,6 +201,9 @@ async def on_settings_callback(_, query: CallbackQuery):
     value = raw or None
     chat_id = query.message.chat.id
     options = await _model_options()
+    if options.error or not options.models:
+        log.warning("Model options reload failed: %s", options.error)
+        return
     chats.set(chat_id, key, value)
     if key == "model":
         current_effort = chats.get(chat_id, "effort")