refactor: rename db-meta packages to metaschema, add services package

[pyramation]

refactor: rename db-meta packages to metaschema, add services package

Summary

Upstreams schema renaming changes from constructive-io/constructive-db to this repository. This is a breaking change that renames core packages and PostgreSQL schemas:

Package renames:

• db-meta-modules → metaschema-modules
• db-meta-schema → metaschema-schema

Schema renames:

• collections_public / collections_private → metaschema_public / metaschema_private
• meta_public / meta_private → metaschema_modules_public / services_public / services_private

New package:

• services - Contains tables for APIs, sites, domains, apps, and site configuration (metadata, modules, themes)

Updates since last revision

• Fixed pnpm-lock.yaml sync issues for CI
• Updated CI workflow to use new package names
• Fixed metaschema-schema tests to match actual table schemas (extension table has no description column; table/field use name not table_name/field_name)
• Added jest.config.js and snapshot files to services package
• Created revert scripts for all services package migrations (required by pgpm test-packages)
• Fixed metaschema-modules tests to reference metaschema_modules_public schema instead of services_public
• Added 30s timeout for slow FK query test in metaschema-modules
• Reorganized tests for CI isolation: Services-dependent tests (complete workflow, domain registration) are now only in the services package since CI runs packages in isolation. The metaschema-schema package has a simple database creation test only.
• Fixed Makefiles: Updated EXTENSION and DATA in both metaschema-modules and metaschema-schema Makefiles to use new names and correct SQL version (0.15.5 instead of 0.15.3)
• Fixed missing dependency: Added @pgpm/services to metaschema-modules/package.json (required by .control file)
• Updated documentation: Fixed all references to old db-meta-* names in README.md, MODULES.md, and package-specific READMEs
• Updated pnpm-lock.yaml: Synced lockfile after adding @pgpm/services dependency to fix CI frozen-lockfile error

Review & Testing Checklist for Human

• Verify Makefile SQL files exist: Confirm sql/metaschema-modules--0.15.5.sql and sql/metaschema-schema--0.15.5.sql exist in their respective package directories
• Verify test coverage: The integration test that touches both metaschema_public and services_public tables is now only in the services package - confirm this provides adequate coverage
• Verify services revert scripts: Revert scripts were created for CI but don't exist in constructive-db - confirm these are correct for production use
• Check downstream impact: Any code in constructive-db or other repos that depends on the old package names (@pgpm/db-meta-modules, @pgpm/db-meta-schema) will need updates

Recommended test plan:

1. Run pnpm install and pnpm test in the repo
2. Deploy to a test database and verify schema creation
3. Run make install in metaschema-modules and metaschema-schema packages to verify Makefiles work
4. Confirm constructive-db can use these packages after the rename

Notes

This PR was created by copying the pgpm-modules/ folder from constructive-db which had already been modified with these renames. The changes were originally made in commits starting from the "vendor pgpm-modules" commit through the metaschema rename commits.

Link to Devin run: https://app.devin.ai/sessions/e6eaf10a10804d28bf10e39b7dbe6698
Requested by: Dan Lynch (pyramation@gmail.com) / @pyramation

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