Feat: add maturity levels

[jens-kuerten]

No description provided.

[Copilot]

Pull request overview

This PR extends the SDK’s object model to support “maturity levels” by (a) adding a maturity-level reference field on Part and (b) introducing a MaturityLevel object type with corresponding documentation/schema updates.

Changes:

• Add cssaas_maturity_level (maturity level cdb_object_id) to Part (Pydantic model + request JSON schema + docs).
• Add a new MaturityLevel BaseObject model and document it in the reference docs.
• Extend ObjectType with maturity-related enum values.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
json_schemas/request.json	Adds cssaas_maturity_level to the Part schema so incoming requests can include the new field.
docs/reference/objects.md	Documents the new Part attribute and introduces a new MaturityLevel reference section.
csfunctions/objects/part.py	Adds cssaas_maturity_level to Part and introduces the MaturityLevel model.
csfunctions/objects/base.py	Extends ObjectType with maturity-related entries.
csfunctions/objects/__init__.py	Exports MaturityLevel from the public objects module.

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[Copilot]

Fixed in the latest commit — MaturityLevel is now included in the Object discriminator union.