fix(models): prefix all openrouter settings with OPEN_ROUTER_

Author: adi-wan-askui

src/askui/models/openrouter/model.py

@@ -75,7 +75,7 @@ def __init__(
             client
             if client is not None
             else OpenAI(
-                api_key=self._settings.open_router_api_key.get_secret_value(),
+                api_key=self._settings.api_key.get_secret_value(),
                 base_url=str(self._settings.base_url),
             )
         )

src/askui/models/openrouter/settings.py

@@ -1,5 +1,5 @@
 from pydantic import Field, HttpUrl, SecretStr
-from pydantic_settings import BaseSettings
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 from askui.models.shared.settings import ChatCompletionsCreateSettings
 
@@ -15,14 +15,14 @@ class OpenRouterSettings(BaseSettings):
         chat_completions_create_settings (ChatCompletionsCreateSettings): Settings for ChatCompletions
     """  # noqa: E501
 
+    model_config = SettingsConfigDict(env_prefix="OPEN_ROUTER_")
     model: str = Field(default="openrouter/auto", description="OpenRouter model name")
     models: list[str] = Field(
         default_factory=list, description="OpenRouter model names"
     )
-    open_router_api_key: SecretStr = Field(
+    api_key: SecretStr = Field(
         default=...,
         description="API key for OpenRouter authentication",
-        validation_alias="OPEN_ROUTER_API_KEY",
     )
     base_url: HttpUrl = Field(
         default_factory=lambda: HttpUrl("https://openrouter.ai/api/v1"),