feat: refine exploration presentation and audio flow

scripts/verify-exploration-character-asset-data.mjs

@@ -85,6 +85,21 @@ assert.match(
   /export function ensureExplorationCharacterAnimations\(/,
   'The module must expose exploration animation registration.'
 );
+assert.match(
+  moduleSource,
+  /export function explorationCharacterFrameFor\(/,
+  'The module must expose deterministic direction and motion frame lookup.'
+);
+assert.match(
+  moduleSource,
+  /export function applyExplorationCharacterMotion\(/,
+  'The module must expose shared reduced-motion-aware animation application.'
+);
+assert.match(
+  moduleSource,
+  /if \(reducedMotion && motion === 'idle'\)\s*\{\s*sprite\.anims\.stop\(\);\s*sprite\.setFrame\(explorationCharacterFrameFor\('idle', direction\)\);/s,
+  'Reduced motion must freeze only decorative idle loops on the matching direction frame.'
+);
 assert.match(
   moduleSource,
   /export function releaseExplorationCharacterTextures\(/,