Electron renderer unresponsive / crash due to ResizeObserver loop storm (layout thrashing)

Description

OpenCode v1.18.4 (win32, x64, packaged) repeatedly crashes. I think it had something to to with copy and pasting a larger log with hunderds of lines in de chat. The debug logs reveal the following chain of events:

The Electron renderer process becomes unresponsive (window.log: renderer unresponsive on oc://renderer/index.html, e.g. at 17:27:25 and 17:27:50, recovering at 17:28:03 but likely crashing on subsequent freezes).
The renderer.log contains thousands of ResizeObserver loop completed with undelivered notifications errors across every session — a symptom of continuous layout thrashing in the UI that eventually hangs the renderer.
The protocol.log shows mass net::ERR_FILE_NOT_FOUND errors for all .js.map sourcemap files (every renderer asset sourcemap is missing from the ASAR bundle). These are non-fatal individually but indicate sourcemaps are stripped from the production build.
Multiple very short sessions (e.g. 093946, 094445, 094921, 095322, 114845) all lasting under 30 seconds, suggesting repeated crashes on launch or shortly after.

Plugins

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OpenCode version

v1.18.4

Steps to reproduce

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Screenshot and/or share link

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Operating System

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Terminal

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