First Hangar release (matches GitHub v0.4.4).

• In-game assistant: /ashlar <request> drives the model from inside the plugin - no Node process, no inbound port. Any OpenAI-compatible endpoint; DeepSeek by default.
• Cost control: per-player daily limits (requests / tokens / cost), prepaid credit (/ashlar credit), per-day usage reports (/ashlar usage <player|all> [days | from to]), pause/resume, cancel other players' requests, monitor echo for operators.
• Access: allow list (/ashlar allow), permissions (ashlar.use / ashlar.monitor / ashlar.admin), agent.everyone-can-use.
• Building: liquids: "flow" for fountains and waterfalls, automatic double chests, support warnings, connection pass, snapshots and restore.
• MCP: the ashlar-mcp adapter (npm) exposes the same tools to Claude Desktop / Claude Code / Cursor; plugin >= 0.3 required.

Built for Paper 26.2 / Java 25.