feat: support deleting configured model providers (#301)

[azaanaliraza]

Summary

Add support for deleting configured model providers through the
model-provider settings API and UI adapter.

Closes #301 - [Cannot delete configured model providers from Model Settings]

Changes

• Added deleteProvider to IModelProviderStore.
• Added PostgreSQL model-provider deletion.
• Added SQLite model-provider deletion.
• Added DELETE model-provider route.
• Added DELETE model-provider handler.
• Regenerated the TypeScript SDK so
  client.settings.modelProviders.delete(...) is available.
• Updated the UI model-catalog adapter to expose deletion.
• Added/updated tests for model-provider deletion.

How was this tested?

• pnpm build passed.
• pnpm test passed.
• pnpm typecheck passed.
• pnpm lint:ci passed.
• pnpm format:check passed.
• packages/trueforge-sdk tests passed:
  • 62 test files
  • 743 tests

Checklist

• pnpm build passes
• pnpm test passes
• pnpm typecheck passes
• pnpm lint:ci passes
• pnpm format:check passes
• Tests added/updated where appropriate
• No unrelated changes
• Docs / .env.example do not require updates

---

Note

Medium Risk
Deletes tenant configuration that agents may depend on for model routing; behavior is scoped and tested but operational impact if providers are removed while still in use.

Overview
Adds end-to-end support for removing a configured model provider by name, closing the gap where settings could create/update providers but not delete them.

The settings API exposes DELETE /api/v1/settings/model-providers/{name}, returning an empty 200 or 404 when the provider is missing. Persistence goes through a new deleteProvider on the model-provider store (Postgres and SQLite), tenant-scoped with a boolean indicating whether a row was removed.

The TypeScript SDK gains client.settings.modelProviders.delete(name) (including NotFoundError on 404), OpenAPI/docs are updated, and the TrueForge UI catalog adapter implements deleteModelProvider so existing Model Settings delete flows call the new API.

Tests cover store contracts, API handlers, SDK wire mocks, and a UI case confirming per-model trash still updates the provider manifest without invoking provider deletion.

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[changeset-bot]

🦋 Changeset detected

Latest commit: eea4592

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

This PR includes changesets to release 4 packages

Name	Type
@truefoundry/trueforge	Minor
@truefoundry/trueforge-sdk	Patch
@truefoundry/trueforge-ui	Patch
frontend	Patch

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[chiragjn]

We can start a code review once the extra changes are cleaned up and branch is rebased to resolve conflicts

[azaanaliraza]

Fixed the conflicts

• added a remove button and i removed the trash sign that removes the whole provider