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`terminate()` signals the parent only. Chrome's zygote, renderer and gpu
children outlive it by a moment and go on writing into the profile, so rmtree
walked a directory that gained a file between its readdir and its rmdir and
raised "Directory not empty". The probe exited non-zero, and every test in the
file errored at setup — intermittently, roughly one run in three, for a reason
nowhere near the chat code they were testing.
TemporaryDirectory(ignore_cleanup_errors=True) in all four probes that own a
profile: a few bytes left in a throwaway directory are harmless, failing the run
is not. `proc.wait()` after `kill()` was also missing — a killed process still
has to be reaped.
layout_probe.py never cleaned up at all (mkdtemp, no removal) and never waited
for Chrome; it leaked a profile into /tmp on every run.
Ten consecutive runs of test_chat_send.py are clean.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
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A group could open on a tab that rendered nothing: no panel, no tab shown
active, and nothing on screen to explain it.
The landing tab is chosen at mount from a preference -- default_tab for the
group, else the account-wide one, else 'chat'. Which applications the group
runs comes from the node, in the handshake ack, several awaits later. A
preference is a preference, not a promise that the app exists here, so the
two disagree in two ordinary cases: the group has Chat disabled while
'chat' is everyone's default, or the reader prefers an app this group does
not run. `apps.map(a => tab === a.key && ...)` then matches nothing.
The first app the group does offer answers both. Two more cases come free:
a preference naming an app that no longer exists, and an operator disabling
the app someone is currently looking at -- enabledApps changes live over
apps_enabled, and being moved to a working tab beats staring at an empty
panel. Settings is exempt: it is not an application, and the create-group
wizard lands on it deliberately.
`const apps` moves above the effect that reads it; a const further down
would be in its temporal dead zone, which is the hook-ordering trap already
recorded in CLAUDE.md.
tests/harness/group_tab_probe.py renders the real GroupPage against a stub
node answering a chosen enabled_apps and reads the tab bar back, over five
cases. With the fix reverted the three fallback cases report no active tab
at all and four of the six tests fail; the two that pass either way are the
ones that must not change -- a group running everything, and a preference
the group does honour (Videos stays selected, so the fallback has not
become "always the first app").
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01W8oRqEHhnKUr1NfmTVdcyL
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