Chart loading: preload the module graph, warm exchange connections, stop reading the bars twice a beat

Component view — Frontend boot & preloading

Heartbeat and cached market bar delivery

Chart loading: preload the module graph, warm exchange connections, stop reading the bars twice a beatgodzillacode0000/tradersagent-plugin #9 · 4 diagrams

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01 / 06Module graph preloaded in parallelThe browser now fetches all 157 module files at once instead of in 17 sequential rounds, cutting boot time by over 200 ms. preloads listed in +169 −0 and generated by +101 −0.
02 / 06Exchange connections warmed at bootTLS handshakes for Binance and icon hosts now start while modules download, removing a round trip before initial bar rendering. sends preconnect hints to in +169 −0.
03 / 06Heartbeat bar reads cut to one per beatThe 4-second background heartbeat now reads chart bars once instead of twice, eliminating duplicate queries on each cycle. reads bars from and sends in +3 −6.
04 / 06Frontend shares bar fetches for 3 secondsConcurrent bar requests and asks within 3 seconds share a single in-flight fetch, returning separate cloned arrays to every caller. calls on in +28 −11.
05 / 06Backend caches clean bar responsesThe server memoizes recent bar replies for 1.5 seconds, cutting idle venue traffic from 16 to 8 requests per 30 seconds. checks its memo before sending to in +29 −2.
06 / 06Everything this change touchedModule preloading, early connection warming, and multi-tier bar request deduplication across frontend and backend.

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