Add "Biggest Zarr Stores" leaderboard tab to Datasets page

.vitepress/data/leaderboard.ts

@@ -0,0 +1,85 @@
+// .vitepress/data/leaderboard.ts
+//
+// Community-submitted Zarr stores, sorted by size.
+// To add an entry, append to the array below and open a PR.
+// The store must be publicly readable (anonymous S3/GCS/HTTPS access).
+
+import type { LeaderboardEntry } from './types'
+
+export const leaderboard: LeaderboardEntry[] = [
+  {
+    nickname: 'ERA5 Reanalysis',
+    store_link: 's3://example-bucket/era5-reanalysis.zarr',
+    size_bytes: 2_400_000_000_000_000,
+    total_chunks: 1_200_000_000,
+    tech: 'native-zarr-v3',
+    submitted_by: 'alice',
+    last_verified: '2026-05-01',
+    docs_url: 'https://example.com/era5-blog',
+  },
+  {
+    nickname: 'CMIP6 Mirror',
+    store_link: 'gs://example/cmip6-mirror.zarr',
+    size_bytes: 850_000_000_000_000,
+    total_chunks: 410_000_000,
+    tech: 'icechunk',
+    submitted_by: 'bob',
+    last_verified: '2026-04-22',
+  },
+  {
+    nickname: 'Sentinel-2 Mosaic',
+    store_link: 's3://example/sentinel2-mosaic',
+    size_bytes: 312_000_000_000_000,
+    total_chunks: 88_000_000,
+    tech: 'virtual-icechunk',
+    submitted_by: 'carol',
+    last_verified: '2026-05-10',
+  },
+  {
+    nickname: 'GOES-16',
+    store_link: 'https://example.org/goes16.zarr',
+    size_bytes: 95_000_000_000_000,
+    total_chunks: 22_000_000,
+    tech: 'native-zarr-v3',
+    submitted_by: 'dave',
+    last_verified: '2026-03-15',
+  },
+  {
+    nickname: 'NOAA HRRR',
+    store_link: 's3://example/noaa-hrrr.zarr',
+    size_bytes: 41_000_000_000_000,
+    total_chunks: 9_500_000,
+    tech: 'native-zarr-v2',
+    submitted_by: 'erin',
+    last_verified: '2026-05-20',
+    docs_url: 'https://example.com/hrrr-notebook',
+  },
+  {
+    nickname: 'GEFS Reforecast',
+    store_link: 's3://example/gefs-reforecast.zarr',
+    size_bytes: 28_000_000_000_000,
+    total_chunks: 7_200_000,
+    tech: 'native-zarr-v3',
+    submitted_by: 'frank',
+    last_verified: '2026-04-10',
+  },
+  {
+    nickname: 'OpenNeuro Brain Imaging',
+    store_link: 's3://example/openneuro-brain.zarr',
+    size_bytes: 15_000_000_000_000,
+    total_chunks: 3_100_000,
+    tech: 'native-zarr-v2',
+    submitted_by: 'grace',
+    last_verified: '2026-05-05',
+    docs_url: 'https://example.com/openneuro-docs',
+  },
+  {
+    nickname: 'Copernicus DEM Global',
+    store_link: 'gs://example/copernicus-dem-global.zarr',
+    size_bytes: 8_500_000_000_000,
+    total_chunks: 1_800_000,
+    tech: 'virtualizarr',
+    submitted_by: 'hana',
+    last_verified: '2026-03-28',
+  },
+]

.vitepress/data/types.ts

@@ -54,3 +54,21 @@ export interface BackingEntry {
   href: string
   kind: 'fiscal-host' | 'standards-body' | 'sponsor'
 }
+
+export type LeaderboardTech =
+  | 'native-zarr-v2'
+  | 'native-zarr-v3'
+  | 'icechunk'
+  | 'virtual-icechunk'
+  | 'virtualizarr'
+
+export interface LeaderboardEntry {
+  nickname: string              // short display name, e.g. "ERA5 Reanalysis"
+  store_link: string            // e.g. "s3://bucket/path.zarr"
+  size_bytes: number            // total on-disk size in bytes
+  total_chunks: number          // total chunk count across all arrays
+  tech: LeaderboardTech
+  submitted_by: string          // GitHub handle (no @)
+  last_verified: string         // ISO date string, e.g. "2026-05-01"
+  docs_url?: string             // optional link to blog / repo / notebook
+}