Real Linux Electron startup; 1920x1080 Xvfb; matching 800x320 top-left crops.
Fresh isolated home per run. Default port 3773 occupied by an unrelated server (untouched).
Owner: node apps/server/dist/bin.mjs serve --host 127.0.0.1 --port 3790 --base-dir <isolated-home>
Desktop: electron --no-sandbox --disable-gpu apps/desktop/dist-electron/main.cjs
Environment: T3CODE_HOME=<same-isolated-home>, T3CODE_DEV_SEED=0, isolated XDG_CONFIG_HOME.
Build each checkout: vp i; vp run build:desktop:bundle; install Electron runtime from apps/desktop.

BASE 31eea883c7f7849ada6eb49265cb11fc64d2ecbd
Owner runtime: {"pid": 90011, "port": 3790, "serverVersion": "0.1.9"}
CLI status:
This machine
  Service        not installed
  Local network  off

Change access: `t3 up`.
Desktop backend child log exists: True
backend child process failure output start: pid=90839 port=3774
Child: ServerAlreadyRunningError: A T3 Code server already owns <isolated-home>/userdata.
backend child process failure output end: pid=90839 code=78
Stills 500 ms apart: byte-identical.

HEAD 6aab59ad09a7a80c63e6efefde5044dab9241f05
Owner runtime: {"pid": 88500, "port": 3790, "serverVersion": "0.1.9"}
CLI status:
This machine
  Service        not installed
  Local network  off

Change access: `t3 up`.
Desktop backend child log exists: False
[19:55:05.179] WARN (#1): bootstrap found another server owning the T3 home
owner: { pid: 88500, port: 3790, serverVersion: '0.1.9' }
Stills 500 ms apart: byte-identical.