Improve template_structure.json path handling in convert_beaver_to_reforce.py

[Samar-Khalid]

Description

The template_structure.json path is hardcoded as a relative path in convert_beaver_to_reforce.py:262:

templates_path = '../../data/template_structure.json'
with open(templates_path, 'r') as f:

This path is relative to the working directory at runtime, which means the function fails when called from a different directory than expected.

Suggestion

• Make the templates path an optional parameter in convert_beaver_to_reforce() with a sensible default.
• Or derive the path relative to the script location using __file__.

Affected File

eval/reforce/convert_beaver_to_reforce.py (line 260-262)