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d36a005dc5
Split the single-blob metadata storage into two tables: - metadata_index: dist-tags, version keys (with deprecated), time, and cache headers — one row per package, ~10KB - metadata_manifests: per-version manifest objects, keyed by (name, version, type) — ~2KB each During resolution, only the lightweight index is parsed to pick a version. The full manifest for the resolved version is loaded separately. For a package like typescript with 200+ versions, this avoids parsing ~400KB of unused manifest JSON. The index is shared across abbreviated/full metadata types — only the per-version manifests differ. This eliminates the type column from the index and simplifies the abbreviated→full fallback to the manifest level.