Add abliteration.ai provider

[abliteration-ai]

Summary

• Add abliteration.ai as a selectable provider using the OpenAI-compatible base URL https://api.abliteration.ai/v1.
• Add the documented abliterated-model with 150K context, streaming, tool/function calling, and vision support.
• Wire provider settings, secret storage, model selection, validation, CLI provider support via ABLIT_KEY, and localized settings labels.
• Add provider unit coverage for initialization, API key validation, model selection, prompt completion, streaming, and request parameters.
• Add a patch changeset for the provider addition.

Closes #12189

Roadmap alignment

This expands Roo Code provider/model support while using the existing OpenAI-compatible provider pattern, settings-buffer flow, validation, and CLI configuration paths.

Sources

• Contribution guide: https://github.com/RooCodeInc/Roo-Code/blob/main/CONTRIBUTING.md
• Quickstart: https://docs.abliteration.ai/quickstart
• Models: https://docs.abliteration.ai/models

Checks

• COREPACK_HOME=/tmp/corepack corepack pnpm --dir src exec vitest run api/providers/__tests__/abliteration.spec.ts shared/__tests__/ProfileValidator.spec.ts
• COREPACK_HOME=/tmp/corepack corepack pnpm --dir apps/cli exec vitest run src/lib/utils/__tests__/provider.test.ts
• COREPACK_HOME=/tmp/corepack corepack pnpm --dir packages/types exec tsc --noEmit
• COREPACK_HOME=/tmp/corepack corepack pnpm --dir src exec tsc --noEmit
• COREPACK_HOME=/tmp/corepack corepack pnpm --dir webview-ui exec tsc
• COREPACK_HOME=/tmp/corepack corepack pnpm --dir apps/cli exec tsc --noEmit
• Pre-push hook: turbo check-types across 14 packages passed; changeset check reports 1 changeset file.

Notes

• Draft PR because contributor assignment still requires maintainer confirmation on the linked issue.