Improve/batch answer submission #63
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Replace two parallel Firestore writes (updatePlayerScore + submitAnswer) with a single WriteBatch.commit() via submitAnswerAndScore(). Reduces network round-trips on answer submission from two to one. Also adds temporary P1 latency instrumentation (adb logcat -s P1_LATENCY) to measure the improvement on-device. Remove the P1 comment blocks in RoundController once measurements are complete. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Logs elapsed time from joinSession() call to lobby view display. Run: adb logcat -s P2_LATENCY Remove the two P2 comment blocks in LobbyController once done. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fire a no-op gamePinExists query when the user navigates to the join screen. This establishes the gRPC connection before they type a pin, eliminating the ~1400ms cold-start penalty on the first real Firestore call during session join. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fires the no-op warmup query at app start rather than when the user taps Join Game, giving the connection more time to establish before the first real Firestore call. Reduces cold-start join latency further. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
mostafas
approved these changes
Apr 21, 2026
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