Root cause of "filter never suppresses": passing the target pane_id and
watch names as positional args to `bash -c "..." _ <id> <names>` had
them silently dropped by wsl.exe's arg-passing layer. Inside bash, $1
and $@ were empty — the script always looked for `TILETOPIA_PANE_ID=`
(no value), found nothing, exited 1.
Fix: format the script string in Rust with pane_id and watch names
already substituted. No positional args to bash → nothing for wsl.exe
to drop. Both inputs are safe to inline (u64 and a compile-time const
list); validation needed if user-supplied watch names ever land here.
Two unit tests guard against regressing to the positional-arg shape.
Also dropped the diagnostic info!() spam added during debugging — back
to debug! in the happy path, single concise probed= line on each cache
miss.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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