v0.15.3
Enhancement
v0.15.3 - Chat assistant on RubyLLM 2.0
The chat assistant's persistence and tools move to RubyLLM 2.0.
Changes
- Chat, message and tool-call storage migrated to RubyLLM 2.0 (three migrations, with a data backfill). Existing conversations are preserved. Per-message cost tracking continues.
- Dependency updates (MCP SDK 1.6).