fix: Plants mode - correct metadata labels and hide bird-specific fields

fix: Image loading and NN match detail expansion

feat: Add unified Birds & Plants toggle explorer

Fix: metadata panel always updates when clicking a new data point

Restore top-120 species default in dropdown, filter when user types

Fix species dropdown: require 2+ char query before listing, add no-results feedback

Fix zoom and pan hover/click detection alignment issue

Add global search query text field and autocomplete suggestions

Add multi-select species chips, year range filter, Search button, fix popover race condition

Replace canvas overlay with L.GridLayer tile renderer — zero zoom/pan alignment issues

Fix canvas overlay alignment (move to mapPane), dynamic observation count display

Subsample to 250k observations for better hover responsiveness and memory usage

Fix hover popover stuck states on map movement, scrolling, and mouse-out

Fix Leaflet map tile overlay alignment using invalidateSize

Scale up to full 429k dataset and switch to dataset-based images.tar

add 50k downsampled image thumbnails for native hosting

downsample to 50k and fix 500 internal server error on similarity endpoint

fix image loading on hf space by proxying images to the active ssh tunnel

deploy bird explorer dashboard