feat: add tafsut model

[AzulGarza]

this prs adds the tafsut model by Huawei

[Copilot]

🟢 Approval recommended

The change follows existing shim conventions, updates dependencies coherently, and includes corresponding tests and documentation updates.

Pull request overview

Adds Huawei’s Tafsut foundation model to the TimeCopilot model surface by bumping the foundationforecast dependency and re-exporting the new model through the existing timecopilot.models.foundation.* shim pattern.

Changes:

• Bump foundationforecast to >=0.1.2 and update lockfile to include the new tafsut dependency.
• Add Tafsut shim model at timecopilot.models.foundation.tafsut and export it from the foundation package.
• Add basic tests and documentation/changelog entries for the new model and release.

File summaries

File	Description
uv.lock	Updates resolved deps: foundationforecast 0.1.2 and adds tafsut package entry.
pyproject.toml	Bumps foundationforecast minimum version and package version to 0.0.31.
timecopilot/models/foundation/tafsut.py	Introduces Tafsut shim class re-exporting foundationforecast implementation.
timecopilot/models/foundation/__init__.py	Exports Tafsut from the foundation models namespace.
tests/models/foundation/test_tafsut.py	Adds a smoke test to ensure Tafsut runs end-to-end via TimeCopilotForecaster.
tests/models/foundation/test_shims.py	Includes Tafsut in shim type checks.
tests/models/conftest.py	Adds Tafsut to the shared model matrix used by general model tests.
docs/changelogs/v0.0.31.md	Documents Tafsut support and the foundationforecast move, with links and usage snippet.
docs/api/models/foundation/models.md	Adds Tafsut to the API docs build list.

Review details

• Files reviewed: 8/10 changed files
• Comments generated: 0
• Review effort level: Lite

---

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.