feat: add minimaxm3 model mapping (MiniMax M3 428B)

[cquil11]

Adds the minimaxm3 DB key → MiniMax-M3 display mapping and the MiniMax M3 428B model config entry, with a unit test for the new mapping.

🤖 Generated with Claude Code

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Note

Low Risk
Metadata-only model registration and mapping changes with no auth, data migration, or runtime logic changes.

Overview
Adds MiniMax M3 (MiniMax-M3 / DB key minimaxm3) across the app model registry and shared DB↔display mappings so benchmark data for that bucket shows up in the UI like other default models.

In data-mappings.ts, introduces Model.MiniMax_M3 with label MiniMax M3 428B and prefix minimaxm3 in the default category. In packages/constants/src/models.ts, maps minimaxm3 to MiniMax-M3 (its own display name, not grouped with M2.5/M2.7). A unit test asserts DISPLAY_MODEL_TO_DB['MiniMax-M3'] is ['minimaxm3'].

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Project	Deployment	Actions	Updated (UTC)
inferencemax-app	Ready	Preview, Comment	Jun 12, 2026 5:11pm