make text promtp llm pickable in settings (#1894)

skyvern/config.py

@@ -98,6 +98,7 @@ class Settings(BaseSettings):
     SECONDARY_LLM_KEY: str | None = None
     SELECT_AGENT_LLM_KEY: str | None = None
     SINGLE_CLICK_AGENT_LLM_KEY: str | None = None
+    TEXT_ONLY_AGENT_LLM_KEY: str | None = None
     # COMMON
     LLM_CONFIG_TIMEOUT: int = 300
     LLM_CONFIG_MAX_TOKENS: int = 4096

skyvern/forge/sdk/workflow/models/block.py

@@ -1186,7 +1186,7 @@ async def user_code():
         )
 
 
-DEFAULT_TEXT_PROMPT_LLM_KEY = settings.SECONDARY_LLM_KEY or settings.LLM_KEY
+DEFAULT_TEXT_PROMPT_LLM_KEY = settings.TEXT_ONLY_AGENT_LLM_KEY or settings.LLM_KEY
 
 
 class TextPromptBlock(Block):