Make Reachy voice consistently childlike

app/src/game/emotions/emotionController.js

@@ -23,8 +23,9 @@ export function reachySay(text, reachy = null) {
         ?? voices.find((candidate) => /^en[-_]gb/i.test(candidate.lang))
         ?? voices.find((candidate) => /^en[-_]/i.test(candidate.lang));
       if (voice) { selectedReachyVoice = voice; utterance.voice = selectedReachyVoice; }
-      utterance.pitch = 0.72;
-      utterance.rate = 0.92;
+      // Same playful childlike profile for every sentence.
+      utterance.pitch = 1.28;
+      utterance.rate = 1.02;
       const done = () => { reachy?.setWobbler?.(false, "speech"); resolve(); };
       utterance.onend = done;
       utterance.onerror = done;