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feat(live): add web track map (#32)

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Subscribe to SignalR Position.z and CarData.z, decode DEFLATE payloads, stream throttled positions over SSE, and render live car dots against cached track outline bounds with tap telemetry.

Alignment spike: no checked-in or locally cached real Position.z samples were available in this isolated worktree; verified both streams expose the official raw F1 X/Y/Z coordinate contract and implemented shared-bounds normalization against prefetched OpenF1 outlines. Fallback build-outline-from-stream was not taken.

Playwright remains out of scope for live rendering because BOXBOX_DISABLE_LIVE is used there; coverage is via parser, web handler/SSE, pure transform, and seeded component tests.
This commit is contained in:
Aman Tahiliani
2026-07-03 19:34:09 -04:00
committed by GitHub
parent 5408a45bbd
commit 7263949260
15 changed files with 1076 additions and 18 deletions
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4
internal/live/signalr.go
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@@ -96,6 +96,8 @@ func connectToF1SignalRCore(dataChan chan LiveStreamData) error {
topics := []string{
"Heartbeat",
"TimingData",
"Position.z",
"CarData.z",
"DriverList",
"LapCount",
"ExtrapolatedClock",
@@ -194,7 +196,7 @@ func connectToF1LegacySignalR(dataChan chan LiveStreamData) error {
return err
}
subscribeMsg := []byte(`{"H":"Streaming","M":"Subscribe","A":[["Heartbeat","TimingData","DriverList","LapCount","ExtrapolatedClock","TrackStatus","RaceControlMessages","WeatherData","SessionInfo","CurrentTyres","TimingAppData","TimingStats"]],"I":1}`)
subscribeMsg := []byte(`{"H":"Streaming","M":"Subscribe","A":[["Heartbeat","TimingData","Position.z","CarData.z","DriverList","LapCount","ExtrapolatedClock","TrackStatus","RaceControlMessages","WeatherData","SessionInfo","CurrentTyres","TimingAppData","TimingStats"]],"I":1}`)
err = c.WriteMessage(websocket.TextMessage, subscribeMsg)
if err != nil {
return err