Function mediaTime

e2e/viewer/src/SessionPlayer.tsx:123–128

(window: Act["window"], time: number)

  /** A recording's own clock for session-time `time`. */
  const mediaTime = (window: Act["window"], time: number): number =>
    Math.max(
      0,
      (sessionStart + time * 1000 - (window === "terminal" ? terminalAnchor : browserAnchor)) /
        1000,
    );

  // Mount the cast player once (no idle compression — sync needs real time).
  useEffect(() => {