feat: rename schemas collections_public -> metaschema_public, meta_public -> services_public

[pyramation]

feat: rename schemas collections_public -> metaschema_public, meta_public -> services_public

Summary

Updates the @pgpmjs/core and @pgpmjs/cli packages to use the new schema naming convention:

• collections_public → metaschema_public
• meta_public → services_public

This change is required for compatibility with the schema rename in constructive-io/constructive-db (PR #210).

Files changed:

• pgpm/core/src/export/export-meta.ts - Updated config and query strings
• pgpm/core/src/export/export-migrations.ts - Updated query strings and comments
• pgpm/cli/src/commands/export.ts - Updated query strings
• pgpm/core/__tests__/export/export-flow.test.ts - Updated test fixtures
• pgpm/core/__tests__/export/export-meta.test.ts - Updated test assertions

Review & Testing Checklist for Human

• Verify coordination with constructive-db: This PR must be merged in coordination with constructive-io/constructive-db#210. The database schemas must be renamed before this tooling update is deployed.
• Search for missed references: Run grep -r "collections_public\|meta_public" pgpm/ to verify no schema references were missed in source files
• Test export command: Run pgpm export against a database with the new schema names (metaschema_public, services_public) to verify queries work correctly
• Check for downstream consumers: Verify no other packages in this repo depend on the old schema names

Recommended test plan:

1. Deploy constructive-db with the new schema names to a test database
2. Run pgpm export and verify it successfully queries the renamed schemas
3. Verify exported SQL files reference the correct schema names

Notes

This is a breaking change - the pgpm tooling will no longer work with databases using the old schema names (collections_public, meta_public).

Link to Devin run: https://app.devin.ai/sessions/6b4b0a2f64084dfaa4a82c0cef42bc43
Requested by: Dan Lynch (@pyramation)

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[devin-ai-integration]

Closing in favor of PR #551 (rename/develop consolidation branch)