Release v0.3.0 - 2026-03-15

Highlights

• Enzan now exposes model-level Akuma API cost analytics with prompt complexity breakdowns.
• Public SDKs and the MCP server now support Enzan cost analytics workflows.
• Akuma SQL-only responses now normalize trailing semicolons before automatic row limits are applied.

Product Changes

Akuma

• Improved SQL-only reliability for generated queries that already include a trailing statement terminator.

Enzan

• Added model-level Akuma spend analytics across 1h, 24h, 7d, and 30d windows.
• Added prompt complexity breakdowns so model spend can be segmented into simple, moderate, and complex requests.

API Changes

• Added:
  • POST /v1/enzan/costs/by-model

SDK + MCP Changes

TypeScript SDK

• Added enzan.costsByModel(...) for Enzan model-cost analytics.

Python SDK

• Added enzan.costs_by_model(...) for Enzan model-cost analytics.

Go SDK

• Added Enzan.CostsByModel(...) for Enzan model-cost analytics.

MCP Server

• Added enzan.costs_by_model.

Migration Notes

• No client-side migration is required to call the new Enzan endpoint.
• Existing Akuma usage records are included in long-window analytics after the production migration is applied.

Documentation Updates

• Updated the public API docs, SDK examples, MCP docs, and Enzan rollout plan for the new by-model analytics flow.