Mouse locks randomly while sessions are being processed #45171

Description

Environment

• OpenCode Desktop 1.18.22 (Windows 11, single 1920×1080 display, 100% scaling)

Symptom

While the app runs, the OS cursor becomes confined to a fixed rectangle
every ~33 seconds (later bursts every few seconds). The rectangle is
roughly L=22 T=90 R=1302 B=810 (≈1280×720 outer, L=27 T=95 R=1297 B=805 inner).
The cursor can type and interact in the lower‑right “bar” area only,
because that’s the last place I click.

Evidence

1. Watched cursor for 2 h (2 Hz polling). Clip events recur exactly to those two rectangles, alternating by 5 px border. Log available on request.
2. Controlled test: suspended all 7 OpenCode processes via NtSuspendProcess for 20 seconds → zero clip events. On resume, clipping resumed immediately. This proves the confinement is caused by OpenCode Desktop itself.
3. Eliminated every other suspect by terminating them during active clipping (iCUE, Chrome, Edge, Voicemod, Adobe CC, Ollama, media apps, etc.). Clipping continued in every case.

Expected behavior

App should never call ClipCursor outside explicit user‑initiated pointer‑lock, and must release confinement when its UI state changes.

Workaround

A background watchdog that calls GetClipCursor at 2 Hz and resets to full‑screen bounds restores normal cursor movement instantly.

Frequency note

Initially ~every 33 s; later bursts up to ~10 clips/5 s. Correlates with the IDE panel being open.

Attribution

• OS: Windows 11 (version 10.0, build 22621)
• CPU: Intel i7‑13700K
• GPU: NVIDIA RTX 4080 (driver 560.XX)
• OpenCode Desktop: 1.18.22 (embedded Electron, stored at %APPDATA%\ai.opencode.desktop\)

Plugins

No response

OpenCode version

No response

Steps to reproduce

No response

Screenshot and/or share link

No response

Operating System

No response

Terminal

No response