Description

Replaces panic() calls in the template loader with proper error handling using fmt.Errorf(), preventing unexpected crashes during template loading.

Closes #6674

Changes

• Replaced panic() with error returns in template loader
• Updated function signatures to return errors where needed
• Ensured callers properly handle the new error returns

/claim #6674

Summary by CodeRabbit

• Bug Fixes
  • Enhanced error handling for template loading failures across the application. Templates that fail to load now return explicit errors instead of silently failing, preventing unexpected behavior and providing clearer feedback when issues occur.