feat: integrate tangential force HUD

src/lib/types/hud.ts

@@ -41,11 +41,18 @@ export interface HudSignalPanel {
   max: number | null;
 }
 
+export interface HudSpatialForce {
+  angleDeg: number;
+  magnitude: number;
+  confidence: number;
+}
+
 export interface HudPacket {
   ts: number;
   panels: HudSignalPanel[];
   summary: HudSummary;
   pressureMatrix: number[] | null;
+  spatialForce: HudSpatialForce | null;
 }
 
 export interface HudSummary {