style: linted everything

ref: N25B-207

src/control_backend/agents/llm/llm_instructions.py

@@ -6,14 +6,14 @@ class LLMInstructions:
 
     @staticmethod
     def default_norms() -> str:
-        return f"""
+        return """
         Be friendly and respectful.
         Make the conversation feel natural and engaging.
         """.strip()
 
     @staticmethod
     def default_goals() -> str:
-        return f"""
+        return """
         Try to learn the user's name during conversation.
         """.strip()