ui-tars integration (#2656)

skyvern/config.py

@@ -134,6 +134,13 @@ class Settings(BaseSettings):
     ANTHROPIC_API_KEY: str | None = None
     ANTHROPIC_CUA_LLM_KEY: str = "ANTHROPIC_CLAUDE3.7_SONNET"
 
+    # UI-TARS (Seed1.5-VL via Doubao)
+    UI_TARS_API_KEY: str | None = None
+    UI_TARS_API_BASE: str = "https://ark.cn-beijing.volces.com/api/v3"
+    UI_TARS_MODEL: str = "doubao-1-5-thinking-vision-pro-250428"
+    UI_TARS_LLM_KEY: str = "UI_TARS_SEED1_5_VL"
+    ENABLE_UI_TARS: bool = False
+
     # OPENAI COMPATIBLE
     OPENAI_COMPATIBLE_MODEL_NAME: str | None = None
     OPENAI_COMPATIBLE_API_KEY: str | None = None