iOfficeAI/AionUi v1.9.19 on GitHub

Highlights

The Team Leader can now describe and recommend preset assistants to teammates, giving the team better awareness of available agents and their capabilities.
A new team_describe_assistant tool lets the Leader look up detailed info on any preset assistant on demand.
Fixed a bug where solo chats with preset agents (Gemini, ACP, Aion CLI) were missing the team management tools — promoting to a team now works reliably from any starting point.
The failed-agent overlay has been removed; failed state no longer persists across page reloads, reducing visual clutter and confusion.

Restored custom ACP agent detection that was accidentally broken in v1.9.18 — user-defined CLI agents now appear correctly in the home selector again.
Fixed a silent crash on Linux where codex-acp would exit without triggering any crash signal, leaving sessions in a broken state.
Fixed Windows agent detection timing out prematurely and Codex failing to start due to Windows Defender locking bun cache files (EPERM). The system now detects the lock and automatically retries.
ACP agent status events are now gated to known states only, preventing spurious state transitions from leaking into the UI.
Removed iFlow CLI backend support.

Reverse proxy deployments (e.g. nginx with TLS termination) no longer silently log users out — HTTPS is now correctly detected from SERVER_BASE_URL and req.secure.
Fixed a dev-mode white screen caused by Vite HMR WebSocket upgrades being intercepted by the auth middleware.

Database recovery no longer triggers on transient init errors like SQLITE_CANTOPEN — only actual corruption causes recovery, preventing silent data loss of sessions, settings, and messages.

OfficeCLI install directory is now included in the Windows PATH candidates, so agents can find and run officecli after installation without manual PATH configuration.

The "Gemini Google Auth" provider is now scoped to the Gemini agent only and won't appear when other agents are selected. Conversations with no model configured are also blocked from being created.

chore(acp): remove iFlow CLI backend support by @kaizhou-lab in #2559
fix(acp): guard agent_status emission to known session states by @TCP404 in #2568
fix(acp): fix Windows agent detection timeout and codex EPERM retry by @piorpua in #2569
fix(database): avoid destructive recovery on init errors by @cdxiaodong in #2571
fix(acp): fix Linux codex-acp silent crash (ELECTRON-W0) by @piorpua in #2572
fix(acp): restore custom ACP agent detection broken by #2280 by @TCP404 in #2574
fix(team): remove failed agent overlay and localStorage persistence by @zhuqingyv in #2575
feat(team): preset assistants, MCP injection fixes, leader formatting by @kaizhou-lab in #2576
fix: add OfficeCli to Windows PATH candidates by @piorpua in #2577
fix(auth): detect HTTPS from SERVER_BASE_URL and req.secure for reverse proxies by @kaizhou-lab in #2578
fix(webserver): route Vite HMR upgrades separately in dev mode by @kaizhou-lab in #2580
fix(guid): scope Gemini Google Auth model list to gemini agent by @kaizhou-lab in #2582
chore: bump version to 1.9.19 by @piorpua in #2584

Full Changelog: v1.9.18...v1.9.19