feat: change public schema to trueforge schema for Postgres

[thesujai]

Summary

change public schema to trueforge schema for Postgres

Changes

change public schema to trueforge schema for Postgres

How was this tested?

Recreating every scenarios and also through tests

Checklist

• I have read the contributing guidelines
• pnpm build, pnpm test, pnpm typecheck, pnpm lint:ci, and pnpm format:check pass locally
• Tests added/updated where it makes sense
• No hand-edits to generated code (packages/trueforge-sdk, .github/fern/openapi/openapi.json, docs/openapi.json) — fork PRs omit SDK regen; maintainers regenerate after merge
• Docs / .env.example updated if configuration or behavior changed

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Note

Medium Risk
One-time DDL on every migration run (schema create + possible table moves) affects all Postgres deployments; logic is tested but mistakes could strand tables or break migrations.

Overview
Moves Trueforge’s Postgres app data and Kysely migration bookkeeping out of public into a dedicated trueforge schema.

Migration path: runMigrations now calls ensureTrueforgeSchema first, which creates the schema (with an advisory lock and lock_timeout), then ALTER TABLE … SET SCHEMA for a fixed list of legacy public tables so existing installs keep data and migration history. The Kysely Migrator uses migrationTableSchema: trueforge.

Runtime: createDb sets the pool search_path to trueforge so unqualified queries hit the right tables. AGENTS.md documents the convention.

Tests: Client test asserts search_path; new integration tests cover greenfield installs and simulating pre-upgrade public tables moved back on upgrade.

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🦋 Changeset detected

Latest commit: eae5777

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@truefoundry/trueforge	Minor

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