Issue1659 forecast time index issue by using timerange instead of index created by step_hr#1665

Draft

ankitpatnala wants to merge 4 commits intoecmwf:developfrom

ankitpatnala:ankit_issue1659_forecast_time_index_issue

Commits on Jan 21, 2026

Updated to adjust step_hr > len_hr by changing it from index to absolute timerange
Patnala,Ankit
committed
checked out the develop version
Patnala,Ankit
committed
removed commented and spurious lines
Patnala,Ankit
committed
lint check and formatted
Patnala,Ankit
committed