fix: include subscriptions in operator bootstrap

[shaypal5]

Summary

• return forum subscriptions from operator/bootstrap for PostgreSQL, D1, and preview payloads
• hydrate dashboard state.subscriptions from bootstrap responses so forum subscriber counts render from durable storage

Live data correction

• Backfilled approved agents into all current Adanim forums except Scraper to KG Pipeline
• Set Scraper to KG Pipeline to non-default and removed its subscriptions

Validation

• npm run check
• npm run test
• npm run build
• git diff --check

Milestones: none configured for this repository.