<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Improved SQL construction across the studio to make queries safer and
more consistent.
* Safer parameter handling for optional schema and remediation links to
prevent injection risks.
* Deterministic query header formatting and stable date/comments in
generated SQL.
* More robust user-count and paginated-user queries for accurate counts,
sorting and pagination.
* Updated tests to align with the new safe query handling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## Context
Shifts all remaining dashboard queries into pg-meta so that we
centralize all manually written queries in one place
Having them in packages/pg-meta also allows us to write tests for them
## To test
Just needs a smoke test on
- Role Impersonation
- Lints
- Data API
- Database
- Enumerated Types
- Integrations
- Foreign Data Wrappers
- Vault
Charis