Silent-failure checker, mypy, pylint now clean. Hidden packages count
as installed (pm list -u), pull gets a long timeout, wifi entries are
matched by ro.serialno, and a missing log/drop dir is a warning.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzxdWZ9CKZsNxtD5Jr9bYD
