refactor(simulation): Add strict type hints to simulation modules

simulation/user_agent.py

@@ -1,9 +1,10 @@
 import time
 import random
+from typing import Any, Callable
 import ai_client
 
 class UserSimAgent:
- def __init__(self, hook_client, model="gemini-2.5-flash-lite"):
+ def __init__(self, hook_client: Any, model: str = "gemini-2.5-flash-lite") -> None:
   self.hook_client = hook_client
   self.model = model
   self.system_prompt = (
@@ -13,7 +14,7 @@ class UserSimAgent:
    "Do not use markdown blocks for your main message unless you are providing code."
   )
 
- def generate_response(self, conversation_history):
+ def generate_response(self, conversation_history: list[dict]) -> str:
   """
         Generates a human-like response based on the conversation history.
         conversation_history: list of dicts with 'role' and 'content'
@@ -38,7 +39,7 @@ class UserSimAgent:
    ai_client.set_custom_system_prompt("")
   return response
 
- def perform_action_with_delay(self, action_func, *args, **kwargs):
+ def perform_action_with_delay(self, action_func: Callable, *args: Any, **kwargs: Any) -> Any:
   """
         Executes an action with a human-like delay.
         """