v3.1.2: Bump version to 3.1.2

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

v3.1.1

Add `id` fields to models and `stream` field to schema

v3.1.0

Update structures for 3.1.x

v3.0.5

Update model defaults and bump version to 3.0.5

v3.0.4

Release 3.0.4

v3.0.3

Release 3.0.3

v3.0.2

Release 3.0.2

v3.0.1.post1

Release 3.0.1.post1

v3.0.1

Release 3.0.1