## Task `panels/fitting_panel.rs`. Strategy selector + parameter bounds editor (data_table) + lambda range (region_marker on line_plot) + "Fit All" with progress + results table + selected bin curve overlay. Part of Epic #354
Task
panels/fitting_panel.rs. Strategy selector + parameter bounds editor (data_table) + lambda range (region_marker on line_plot) + "Fit All" with progress + results table + selected bin curve overlay.Part of Epic #354