Issue 22299 runtime reproduction
Host: Ubuntu Linux x86_64; mise 2026.10.14
T3 main: 70e5e384da
Isolated install (no existing Muse installation modified):
mise install 'http:muse[url=https://api.meta.ai/muse-launcher.sh,bin=muse,version_list_url=https://api.meta.ai/muse-code/channels/muse-stable,version_json_path=.version]@1.4.11-R6667.1'
mise by @jdx – installing 1 tool
mise ✓ http:muse@1.4.11-R6667.1  233ms  muse-launcher.sh
mise ████████████████ 1/1 · installed 1 tool in 235ms
mise WARN  http:muse installed but not activated — it is not in any config file.
To install and activate, run:
  mise use http:muse

fresh launcher
MUSE_NO_AUTO_UPDATE=1 /tmp/issue-22299-repro/data/installs/http-muse/1.4.11-R6667.1/muse --version
exit=1
stdout=''
stderr='muse: installed binary is missing; rerun the installer\n'
initialized launcher
MUSE_NO_AUTO_UPDATE=1 /tmp/issue-22299-initialized/muse --version
exit=0
stdout='Muse Code 1.4.11 (1.4.11-R6667.1)\n'
stderr=''
Ordinary --version on separate fresh launcher: exit=0; Muse Code 1.4.11 (1.4.11-R6667.1).
Real app: vp run dev in isolated worktree .t3, seeded 5 stopped threads; Settings > Providers > Muse Code; binaryPath fresh isolated launcher.
Observed: Unavailable · Muse Code CLI is installed but failed to run.
No Muse account required for these probes. Omarchy upgrade itself not run; reporter isolated installation reproduced literally.