feat: UI polish, chapter select improvements, save system enhancements, roadmap update

src/stores/gameStore.ts

@@ -25,6 +25,7 @@ export const useGameStore = defineStore('game', () => {
   const videoTime = ref(0)
   const hotspots = ref<Hotspot[]>([])
   const isImageScene = ref(false)
+  const inputMode = ref<'mouse' | 'keyboard'>('mouse')
   const showChapterSelect = ref(false)
   const chapters = ref<ChapterInfo[]>([])
   const unlockedChapterIds = ref<Set<string>>(new Set())
@@ -104,6 +105,10 @@ export const useGameStore = defineStore('game', () => {
     isImageScene.value = val
   }
 
+  function setInputMode(mode: 'mouse' | 'keyboard') {
+    inputMode.value = mode
+  }
+
   function setChapters(list: ChapterInfo[]) {
     chapters.value = list
   }
@@ -137,10 +142,12 @@ export const useGameStore = defineStore('game', () => {
     currentScene, choices, gameEnded, timerTotal, timerRemaining, saves,
     qteActive, qteDef, qteTotal, qteRemaining, qteResult, videoTime,
     hotspots, isImageScene, showChapterSelect, chapters, unlockedChapterIds,
+    inputMode,
     setScene, setChoices, clearChoices, setGameEnded,
     setTimer, clearTimer, setSaves,
     showQTE, updateQTE, resolveQTE, clearQTE, setVideoTime,
     setHotspots, clearHotspots, setIsImageScene,
+    setInputMode,
     setChapters, setUnlockedChapters, addUnlockedChapter, setShowChapterSelect,
     dump,
   }