Drizzle Cache Tag Invalidation

A cached Postgres read layer on drizzle-orm 1.0 rc.4 built around the opt-in query cache and the upstashCache provider from drizzle-orm/cache/upstash. It keeps the default global: false so the cache strategy stays explicit and every cached read is visible at its call site, uses .$withCache tags for the reads that a raw SQL write has to reach by name, reserves autoInvalidate: false for one aggregate that trades bounded staleness for a stable hit rate, and pairs db.$cache.invalidate by tag and by table with the writes the ORM cannot see. Most of the file confronts the eligibility list directly: raw SQL fails open and leaves stale entries, relational queries have no $withCache method at all so a hot read must be rewritten as an explicit join select, and a cached view read is indexed under zero tables so no write will ever drop it.