Add pooling/layer ablation view to Per-Category Performance tab

Rebrand UI with Loka theme: header/logo, brand palette, textured background

Add full-coverage filter to hide partially-evaluated variants; fix leaderboard legend overlap

Rebuild Context Length tab as per-variant, model-context-size chart

Add show-all-variants toggle to model-drilldown heatmap; document local dev server hygiene

Filter heatmap rows without data for selected metric

Fix regression-task column and nullable-dtype NA crashes in heatmap/leaderboard

refactored the performance vs metrics plot tab

feat: ranking bar chart, strip plot flip, top-N slider, legend cleanup

feat: active filter banner, scope/filter tab rename, refactor docs

small changes in boxplot for readibility

fixed deduplication key in heatmap

Major refactor - V2 (#7)