- Handle::close aborts its chromiumoxide driver task when another
Arc<Browser> outlives the call, so shutdown returns instead of
hanging on a stream that never terminates. Generic close_or_abort
helper with regression tests covering both Arc paths.
- daemon.shutdown() is wrapped in a 5s timeout in main as defense
in depth.
- Default RUST_LOG silences chromiumoxide::conn / chromiumoxide::handler
WS-deserialize ERROR spam.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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