fix: close phase 2 journey blockers

src/journey/scroll-drive-controller.ts

@@ -10,6 +10,7 @@ const DECAY_TIME_CONSTANT_MS = 420;
 const CRUISE_SPEED = 0.18;
 const ACCELERATION_SPEED_RANGE = 0.82;
 const BACKGROUND_GAP_MS = 250;
+const DECAY_SETTLE_EPSILON = 0.001;
 
 const clamp = (value: number, minimum: number, maximum: number): number =>
   Math.min(maximum, Math.max(minimum, value));
@@ -87,6 +88,9 @@ export function createScrollDriveController(): ScrollDriveController {
       : DECAY_TIME_CONSTANT_MS;
     const alpha = 1 - Math.exp(-elapsedMs / timeConstantMs);
     smoothedAcceleration += (impulse - smoothedAcceleration) * alpha;
+    if (impulse === 0 && smoothedAcceleration < DECAY_SETTLE_EPSILON) {
+      smoothedAcceleration = 0;
+    }
     previousSample = { ...input };
 
     const direction: -1 | 0 | 1 = deltaY > 0 ? 1 : deltaY < 0 ? -1 : 0;