Polished monthly SCATS/TIRTL media PDF graph images V3.

Generated at: 2026-06-13T17:12:21+10:00
Source pack: A:\TrafficAnalytics\PROJECTS\transport_monthly_update_toolkit\intelligence_packs_v2\cutoff_to_latest_v2_20260613_122326

Palette:
  SCATS = blue
  TIRTL / freight / truck = burnt orange
  Other classified vehicles = slate blue-grey

V3 improvements:
  Reduced blank title-to-plot spacing.
  Improved million tick formatting including half-million steps.
  Improved PDF embedding proportions.