Introduce MtProxyProbeCoordinator and wire probe-keyed probe coordination into native and Java stacks. Probe coordinator owns FakeTLS recipe progression, grease probing state, and terminal/working decisions. ConnectionSocket gained probe join/wait logic, timers, and probe-key bookkeeping; ServerHello wait EOF/timeout diagnostics split (faketls_server_hello_wait_timeout / server_closed_after_client_hello). JNI wrapper and ConnectionsManager API extended to pass probeKey; Java runtime/telemetry updated to carry probeKey. Added offline GeoIP asset support and live proxy speed sampling UI, plus build/verification tools and guards updated to validate the new probe coordinator behavior.
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