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requestModule gains a timeoutMs parameter (defaulted to today's 20000, so every existing caller is source-compatible and unchanged), and LogosAPIClient threads its caller's Timeout through mintAndCacheToken into it. The budget bounds the WHOLE handshake -- the capability_module acquire plus the requestModule call on it share one deadline, rather than each getting a fresh copy. Halving it would be arbitrary; giving each the full amount would make the worst case twice what the caller asked for. What is left after the acquire is never allowed to reach 0, because some transports read 0 as "no timeout" and an exhausted budget must not silently become an unbounded wait. Also corrects a comment that argued the handshake-refusal fallthrough was safe because "capability_module passes 3000 ms". It does not: capability_module reaches informModuleToken_module through its FOUR-argument overload (capability_module_plugin.cpp:112), so timeoutMs takes the header's 20 s default. The bound is real, it is just not short -- and the code should say the true thing about why it is safe. Not covered here: the ASYNC first-call path still acquires capability_module through invokeRemoteMethodAsync without threading a budget. It does not block the caller, so it is a different defect with a different fix. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>