[Bug]: EvaluateStep Not Accepting Nested Dictionaries

[HamadaSalhab]

📜 Description

Reproduce

Sample task (yaml):

main:
    - evaluate:
        user_info:
          gender: "'male'"
          age: "25"

Returned Output (transitions.list):

Transition #1:
Type: init
Output: {}
---------------------------------------------
Transition #2:
Type: error
Output: Function agents_api.activities.utils.simple_eval_dict() parameter exprs={'user_info': {'age': '25', 'gender': "'male'"}} violates type hint dict[str, str], as dict key str 'user_info' value dict {'age': '25', 'gender': "'male'"} not instance of str.

👟 Reproduction steps

No response

👀 Have you spent some time to check if this bug has been raised before?

• I checked and didn't find similar issue