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Proton 11.0 add steam callback diag#31

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Proton 11.0 add steam callback diag#31
utkarshdalal wants to merge 6 commits into
proton_11.0from
proton_11.0_add_steam_callback_diag

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Utkarsh Dalal added 6 commits July 7, 2026 20:01
CALLDIAG: time every steamclient_call() -> WINE_UNIX_CALL and ERR-log any call
that stalls >30ms, with its name -- identifies which IPC call blocks long enough
to break the game's X connection (the ~100-130ms mid-frame freeze).

CBDIAG: ERR-log every callback id delivered by Steam_BGetCallback -- identifies
which callback precedes a graceful SteamAPI_Shutdown (game told to close).

Diagnostics only; remove after root-causing the bionic-steam game exit.
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