perf(redis): pipeline TYPE/TTL for SCAN batches (#426) - #440
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Enqueue all TYPE then all TTL before awaiting replies (pipe_start/end), so a 100-key batch is one RTT burst instead of ~200 round-trips. Closes #426
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Summary
RedisConnection.typesAndTtls— pipelined TYPE then TTL withpipe_start/pipe_end(Nagle batching) and fire-all-then-await.RedisKeysViewSCAN batches use it instead of per-keyFuture.waitof sequential TYPE→TTL.Closes #426
Test plan
flutter test test/core/database/redis_types_and_ttls_test.dart test/features/redis/redis_keys_view_test.dart