dev/package.json

@@ -9,7 +9,8 @@
     "import-matches": "node scripts/setup-db.js import-matches",
     "import-patches": "node scripts/setup-db.js import-patches",
     "generate-stats": "node scripts/setup-db.js generate-stats",
-    "status": "node scripts/setup-db.js status"
+    "status": "node scripts/setup-db.js status",
+    "fetch-cdragon": "node scripts/fetch-cdragon.js"
   },
   "dependencies": {
     "mongodb": "^6.10.0"

dev/scripts/fetch-cdragon.js

@@ -0,0 +1,34 @@
+#!/usr/bin/env node
+
+import { spawn } from 'child_process';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// Cache directory - use dev/cdragon by default
+const cacheDir = process.env.CDRAGON_CACHE_DIR || path.join(__dirname, '..', 'data', 'cdragon');
+
+// Dev MongoDB credentials (matching docker-compose.yml defaults)
+const mongoUser = process.env.MONGO_USER || 'root';
+const mongoPass = process.env.MONGO_PASS || 'password';
+const mongoHost = process.env.MONGO_HOST || 'localhost:27017';
+
+// Run patch_detector with the cache directory and dev MongoDB credentials
+const patchDetector = spawn('npx', ['tsx', '../patch_detector/index.ts'], {
+  cwd: path.join(__dirname, '..'),
+  env: {
+    ...process.env,
+    NODE_ENV: 'development',
+    CDRAGON_CACHE_DIR: cacheDir,
+    MONGO_USER: mongoUser,
+    MONGO_PASS: mongoPass,
+    MONGO_HOST: mongoHost
+  },
+  stdio: 'inherit'
+});
+
+patchDetector.on('close', (code) => {
+  process.exit(code || 0);
+});

dev/scripts/setup-db.js

@@ -23,7 +23,7 @@ async function setupDatabase() {
   const patchFile = path.join(dataDir, "patches.json");
   if(!fs.existsSync(dataDir) || !fs.existsSync(patchFile)) {
     fs.mkdirSync(dataDir, { recursive: true });
-    console.log('📥 No data files found. Downloading latest snapshot...');
+    console.log('🚫 No data files found. Downloading latest snapshot...');
     await downloadAndExtractSnapshot();
   }
 
@@ -90,7 +90,11 @@ async function setupDatabase() {
     console.log('✅ Skipping matches import - sufficient data already present');
   }
 
-  // 7. Run match collector to generate stats
+  // 7. Fetch CDragon data for the current patch
+  console.log('🎮 Fetching CDragon data...');
+  await fetchCDragonData();
+
+  // 8. Run match collector to generate stats
   console.log('📊 Generating champion stats...');
   await generateChampionStats();
 
@@ -322,6 +326,24 @@ async function generateChampionStats() {
   }
 }
 
+async function fetchCDragonData() {
+  try {
+    console.log('🔄 Running CDragon fetcher...');
+
+    // Run the fetch-cdragon script
+    const fetchCDragonPath = path.join(__dirname, 'fetch-cdragon.js');
+    execSync(`node ${fetchCDragonPath}`, {
+      stdio: 'inherit',
+      cwd: path.join(__dirname, '..')
+    });
+
+    console.log('✅ CDragon data fetched');
+  } catch (error) {
+    console.error('❌ Failed to fetch CDragon data:', error);
+    throw error;
+  }
+}
+
 async function getMatchCount(patchVersion) {
   const client = new MongoClient(getMongoUri());
   await client.connect();

frontend/assets/css/main.css

@@ -4,6 +4,7 @@
   --color-surface: #312e2c;
   --color-on-surface: #b7b8e1;
   --color-surface-darker: #1f1d1c;
+  --color-gold: #ffd700;
 }
 
 /* Font setting */

frontend/components/ChampionSelector.vue

@@ -2,8 +2,6 @@
 import { debounce, isEmpty } from '~/utils/helpers'
 
 // Constants
-const CDRAGON_CHAMPIONS_URL =
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
 const CHAMPIONS_API_URL = '/api/champions'
 
 // State
@@ -11,7 +9,7 @@ const {
   data: championsData,
   pending: loadingChampions,
   error: championsError
-} = useFetch(CDRAGON_CHAMPIONS_URL, {
+} = useFetch('/api/cdragon/champion-summary', {
   key: 'champions-data',
   lazy: false,
   server: false // Disable server-side fetching to avoid hydration issues

frontend/components/ChampionTitle.vue

@@ -41,8 +41,8 @@ const championDescription = computed(() => championData.value?.title || '')
   <div style="display: flex; width: fit-content">
     <div class="champion-title-img-container">
       <NuxtImg
-        width="160"
-        height="160"
+        width="100"
+        height="100"
         class="champion-title-img"
         :src="
           CDRAGON_BASE +
@@ -54,13 +54,15 @@ const championDescription = computed(() => championData.value?.title || '')
     </div>
 
     <div id="ct-info-container">
-      <h1>{{ championName }}</h1>
-      <h3 id="ct-desc">{{ championDescription }}</h3>
+      <h1 style="font-size: 1.5rem">{{ championName }}</h1>
+      <h3 id="ct-desc" style="font-size: 1rem">{{ championDescription }}</h3>
 
       <div id="ct-basic-stat-container">
-        <h2 class="ct-basic-stat">{{ winrate }}% win.</h2>
-        <h2 class="ct-basic-stat ct-basic-stat-margin">{{ pickrate }}% pick.</h2>
-        <h2 class="ct-basic-stat">{{ gameCount }} games</h2>
+        <h2 style="font-size: 1.2rem" class="ct-basic-stat">{{ winrate }}% win.</h2>
+        <h2 style="font-size: 1.2rem" class="ct-basic-stat ct-basic-stat-margin">
+          {{ pickrate }}% pick.
+        </h2>
+        <h2 style="font-size: 1.2rem" class="ct-basic-stat">{{ gameCount }} games</h2>
       </div>
     </div>
   </div>
@@ -68,15 +70,15 @@ const championDescription = computed(() => championData.value?.title || '')
 
 <style>
 .champion-title-img-container {
-  width: 160px;
-  height: 160px;
+  width: 100px;
+  height: 100px;
   overflow: hidden;
 
   border: 1px solid var(--color-on-surface);
 }
 .champion-title-img {
-  width: 160px;
-  height: 160px;
+  width: 100px;
+  height: 100px;
   transform: translate(4px, 4px) scale(1.2, 1.2);
 
   user-select: none;
@@ -93,7 +95,7 @@ const championDescription = computed(() => championData.value?.title || '')
   margin-top: 5px;
 }
 #ct-basic-stat-container {
-  margin-top: 30px;
+  margin-top: 16px;
   display: flex;
 }
 

frontend/components/SummonerSpells.vue

@@ -0,0 +1,76 @@
+<script setup lang="ts">
+import { CDRAGON_BASE, mapPath } from '~/utils/cdragon'
+
+const { summonerSpellMap } = useSummonerSpellMap()
+
+defineProps<{
+  summonerSpells: Array<{ id: number; count: number; pickrate: number }>
+}>()
+</script>
+
+<template>
+  <div class="summoner-spells-section">
+    <div class="summoner-spells-row">
+      <div v-for="(spell, i) in summonerSpells" :key="i" class="summoner-spell-item">
+        <NuxtImg
+          v-if="summonerSpellMap.get(spell.id)"
+          class="summoner-spell-img"
+          :src="CDRAGON_BASE + mapPath(summonerSpellMap.get(spell.id)!.iconPath)"
+        />
+        <div v-else class="summoner-spell-placeholder" />
+        <span class="spell-pickrate">{{ (spell.pickrate * 100).toFixed(0) }}%</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.summoner-spells-section {
+  display: flex;
+  flex-direction: row;
+}
+
+.summoner-spells-row {
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.summoner-spell-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 2px;
+}
+
+.summoner-spell-img {
+  width: 36px;
+  height: 36px;
+  border-radius: 4px;
+  border: 1px solid var(--color-on-surface);
+}
+
+.summoner-spell-placeholder {
+  width: 36px;
+  height: 36px;
+  background: var(--color-surface);
+  border-radius: 4px;
+  border: 1px solid var(--color-on-surface);
+}
+
+.spell-pickrate {
+  font-size: 0.65rem;
+  color: var(--color-on-surface);
+  opacity: 0.7;
+}
+
+/* Responsive: Mobile */
+@media only screen and (max-width: 900px) {
+  .summoner-spell-img,
+  .summoner-spell-placeholder {
+    width: 32px;
+    height: 32px;
+  }
+}
+</style>

frontend/components/build/BuildVariantSelector.vue

@@ -0,0 +1,157 @@
+<script setup lang="ts">
+import { CDRAGON_BASE, mapPath } from '~/utils/cdragon'
+
+const props = defineProps<{
+  keystoneId: number
+  itemId: number
+  keystore: Map<number, Perk>
+  itemMap: Map<number, Item>
+  pickrate: number
+  selected: boolean
+  index: number
+}>()
+
+const emit = defineEmits<{
+  select: [index: number]
+}>()
+</script>
+
+<template>
+  <div class="build-variant-selector">
+    <div :class="['build-variant-card', { selected }]" @click="emit('select', index)">
+      <div class="variant-content">
+        <!-- Keystone -->
+        <NuxtImg
+          v-if="keystoneId && props.keystore.get(keystoneId)"
+          class="variant-keystone"
+          :src="CDRAGON_BASE + mapPath(props.keystore.get(keystoneId)!.iconPath)"
+        />
+        <!-- First core item -->
+        <NuxtImg
+          v-if="itemMap.get(itemId)"
+          class="variant-item"
+          :src="CDRAGON_BASE + mapPath(itemMap.get(itemId)!.iconPath)"
+        />
+        <div v-else class="variant-item-placeholder" />
+      </div>
+      <span class="variant-pickrate">{{ (pickrate * 100).toFixed(1) }}%</span>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.build-variant-selector {
+  display: flex;
+  justify-content: center;
+  gap: 8px;
+  margin-bottom: 20px;
+  padding: 0 12px;
+  overflow-x: auto;
+  scrollbar-width: none;
+}
+
+.build-variant-selector::-webkit-scrollbar {
+  display: none;
+}
+
+.build-variant-card {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 8px 14px;
+  background: var(--color-surface-darker);
+  border: 2px solid transparent;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  min-width: 90px;
+}
+
+.build-variant-card:hover {
+  border-color: var(--color-on-surface);
+}
+
+.build-variant-card.selected {
+  border-color: #4a9eff;
+  background: linear-gradient(135deg, rgba(74, 158, 255, 0.15), rgba(74, 158, 255, 0.05));
+}
+
+.variant-content {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  margin-bottom: 4px;
+}
+
+.variant-keystone {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+}
+
+.variant-item {
+  width: 28px;
+  height: 28px;
+  border-radius: 4px;
+  border: 1px solid rgba(183, 184, 225, 0.3);
+}
+
+.variant-item-placeholder {
+  width: 28px;
+  height: 28px;
+  background: var(--color-surface);
+  border-radius: 4px;
+  border: 1px solid rgba(183, 184, 225, 0.3);
+}
+
+.variant-pickrate {
+  font-size: 0.75rem;
+  color: var(--color-on-surface);
+  opacity: 0.8;
+}
+
+/* Responsive: Mobile */
+@media only screen and (max-width: 900px) {
+  .build-variant-card {
+    min-width: 70px;
+    padding: 6px 10px;
+  }
+
+  .variant-keystone,
+  .variant-item {
+    width: 24px;
+    height: 24px;
+  }
+
+  .variant-item-placeholder {
+    width: 24px;
+    height: 24px;
+  }
+
+  .variant-pickrate {
+    font-size: 0.65rem;
+  }
+}
+
+@media only screen and (max-width: 400px) {
+  .build-variant-selector {
+    gap: 6px;
+  }
+
+  .build-variant-card {
+    min-width: 60px;
+    padding: 5px 8px;
+  }
+
+  .variant-keystone,
+  .variant-item {
+    width: 20px;
+    height: 20px;
+  }
+
+  .variant-item-placeholder {
+    width: 20px;
+    height: 20px;
+  }
+}
+</style>

frontend/components/build/CompactRuneSelector.vue

@@ -0,0 +1,127 @@
+<script setup lang="ts">
+import { CDRAGON_BASE, mapPath } from '~/utils/cdragon'
+
+interface RuneBuild {
+  count: number
+  primaryStyle: number
+  secondaryStyle: number
+  selections: Array<number>
+  pickrate: number
+}
+
+const props = defineProps<{
+  runes: Array<RuneBuild>
+  perks: Map<number, Perk>
+  perkStyles: Map<number, PerkStyle>
+}>()
+
+const selectedIndex = ref(0)
+
+const emit = defineEmits<{
+  select: [index: number]
+}>()
+
+function select(index: number) {
+  emit('select', index)
+  selectedIndex.value = index
+}
+</script>
+
+<template>
+  <div class="compact-rune-selector">
+    <div
+      v-for="(rune, index) in props.runes"
+      :key="index"
+      :class="['compact-rune-option', { active: index === selectedIndex }]"
+      @click="select(index)"
+    >
+      <div class="compact-rune-content">
+        <NuxtImg
+          v-if="runes[index].primaryStyle"
+          class="compact-rune-img"
+          :src="CDRAGON_BASE + mapPath(perkStyles.get(runes[index].primaryStyle)?.iconPath!)"
+        />
+        <NuxtImg
+          v-if="perks.get(runes[index].selections[0])"
+          class="compact-rune-img"
+          :src="CDRAGON_BASE + mapPath(perks.get(runes[index].selections[0])!.iconPath)"
+        />
+        <NuxtImg
+          v-if="runes[index].secondaryStyle"
+          class="compact-rune-img"
+          :src="CDRAGON_BASE + mapPath(perkStyles.get(runes[index].secondaryStyle)?.iconPath!)"
+        />
+      </div>
+      <span class="compact-rune-pickrate">{{ (rune.pickrate * 100).toFixed(1) }}%</span>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.compact-rune-selector {
+  display: flex;
+  justify-content: center;
+  gap: 6px;
+  margin-top: -45px;
+  overflow-x: auto;
+  scrollbar-width: none;
+}
+
+.compact-rune-selector::-webkit-scrollbar {
+  display: none;
+}
+
+.compact-rune-option {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 6px 10px;
+  background: transparent;
+  border: 2px solid transparent;
+  border-radius: 6px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  min-width: 60px;
+}
+
+.compact-rune-option:hover {
+  border-color: var(--color-on-surface);
+  opacity: 0.8;
+}
+
+.compact-rune-option.active {
+  border-color: #4a9eff;
+  background: linear-gradient(135deg, rgba(74, 158, 255, 0.15), rgba(74, 158, 255, 0.05));
+}
+
+.compact-rune-content {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  margin-bottom: 3px;
+}
+
+.compact-rune-img {
+  width: 20px;
+  height: 20px;
+  border-radius: 3px;
+}
+
+.compact-rune-pickrate {
+  font-size: 0.65rem;
+  color: var(--color-on-surface);
+  opacity: 0.7;
+}
+
+.compact-rune-option.active .compact-rune-pickrate {
+  opacity: 0.9;
+  color: #4a9eff;
+}
+
+/* Mobile fix: Remove negative margin to prevent overlap with runes */
+@media only screen and (max-width: 900px) {
+  .compact-rune-selector {
+    margin-top: 15px;
+  }
+}
+</style>

frontend/components/build/ItemRow.vue

@@ -0,0 +1,66 @@
+<script setup lang="ts">
+interface ItemData {
+  data: number
+  count: number
+}
+
+const props = defineProps<{
+  label: string
+  items: Array<ItemData>
+  itemMap: Map<number, Item>
+  totalCount: number
+  maxItems?: number
+}>()
+
+const maxItems = computed(() => props.maxItems ?? props.items.length)
+</script>
+
+<template>
+  <div class="item-row">
+    <span class="item-row-label">{{ label }}</span>
+    <div class="item-row-content">
+      <template v-for="item in items.slice(0, maxItems)" :key="item.data">
+        <ItemIcon
+          v-if="itemMap.get(item.data)"
+          :item="itemMap.get(item.data)!"
+          :show-pickrate="true"
+          :pickrate="item.count / totalCount"
+          :size="48"
+          class="item-cell"
+        />
+        <div v-else class="item-placeholder" />
+      </template>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.item-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.item-row-label {
+  font-size: 0.8rem;
+  font-weight: 500;
+  color: var(--color-on-surface);
+  opacity: 0.6;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.item-row-content {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.item-placeholder {
+  width: 48px;
+  height: 48px;
+  background: var(--color-surface);
+  border-radius: 4px;
+  border: 1px solid var(--color-on-surface);
+}
+</style>

frontend/components/build/Viewer.vue

@@ -0,0 +1,260 @@
+<script setup lang="ts">
+import { getCoreItems, getLateGameItems } from '~/utils/buildHelpers'
+import BuildVariantSelector from '~/components/build/BuildVariantSelector.vue'
+import CompactRuneSelector from '~/components/build/CompactRuneSelector.vue'
+import ItemRow from '~/components/build/ItemRow.vue'
+
+const props = defineProps<{
+  builds: Builds
+}>()
+
+// State
+const currentlySelectedBuild = ref(0)
+
+// Use composables for data fetching
+const { itemMap } = useItemMap()
+const { perks, perkStyles } = useRuneStyles()
+
+// Use composable for builds management
+const { builds } = useBuilds(toRef(props, 'builds'))
+const currentBuild = computed(() => builds.value[currentlySelectedBuild.value])
+
+// Late game items for current build
+const lateGameItems = computed(() => {
+  if (!currentBuild.value) return []
+  return getLateGameItems(currentBuild.value).slice(0, 6)
+})
+
+const currentlySelectedRunes = ref(0)
+
+// Reset selected build when variant changes
+watch(
+  () => currentBuild,
+  () => {
+    currentlySelectedBuild.value = 0
+    currentlySelectedRunes.value = 0
+  }
+)
+
+function selectRune(index: number): void {
+  currentlySelectedRunes.value = index
+}
+function selectBuild(index: number): void {
+  currentlySelectedBuild.value = index
+}
+</script>
+
+<template>
+  <div v-if="currentBuild" class="build-viewer">
+    <div style="display: flex">
+      <BuildVariantSelector
+        v-for="(build, i) in builds"
+        :key="i"
+        :keystone-id="build.runeKeystone"
+        :item-id="build.items.children[0].data"
+        :keystore="perks"
+        :item-map="itemMap"
+        :pickrate="build.pickrate"
+        :selected="currentBuild == build"
+        :index="i"
+        @select="selectBuild"
+      />
+    </div>
+
+    <!-- Main Build Content -->
+    <div class="build-content">
+      <!-- Left Column: Summoner Spells + Runes -->
+      <div class="build-left-column">
+        <!-- Rune Page -->
+        <div class="rune-section">
+          <h3 class="section-title">Runes</h3>
+          <div class="rune-page-wrapper">
+            <RunePage
+              v-if="currentBuild.runes"
+              :primary-style-id="currentBuild.runes[currentlySelectedRunes].primaryStyle"
+              :secondary-style-id="currentBuild.runes[currentlySelectedRunes].secondaryStyle"
+              :selection-ids="currentBuild.runes[currentlySelectedRunes].selections"
+            />
+          </div>
+
+          <!-- Compact Rune Selector -->
+          <CompactRuneSelector
+            :runes="currentBuild.runes"
+            :perks="perks"
+            :perk-styles="perkStyles"
+            :selected-index="currentlySelectedBuild"
+            @select="selectRune"
+          />
+        </div>
+      </div>
+
+      <!-- Right Column: Items -->
+      <div class="build-right-column">
+        <h3 class="section-title">Items</h3>
+
+        <!-- Start/Support + Boots Container -->
+        <div class="item-row-group">
+          <!-- Start Item (root of the tree) -->
+          <ItemRow
+            v-if="currentBuild.startItems && currentBuild.startItems.length > 0"
+            label="Start"
+            :items="currentBuild.startItems"
+            :item-map="itemMap"
+            :total-count="currentBuild.count"
+          />
+
+          <!-- Support Items -->
+          <ItemRow
+            v-if="currentBuild.suppItems && currentBuild.suppItems.length > 0"
+            label="Support"
+            :items="currentBuild.suppItems"
+            :item-map="itemMap"
+            :total-count="currentBuild.count"
+          />
+
+          <!-- Boots (regular or rush) -->
+          <ItemRow
+            :label="currentBuild.bootsFirst > 0.5 ? 'Boots Rush' : 'Boots'"
+            :items="currentBuild.boots.slice(0, 2)"
+            :item-map="itemMap"
+            :total-count="currentBuild.count"
+            :max-items="2"
+          />
+        </div>
+
+        <!-- Core Items Tree (children of start item) -->
+        <div v-if="currentBuild.items?.children?.length" class="item-row">
+          <span class="item-row-label">Core</span>
+          <ItemTree :tree="getCoreItems(currentBuild)" />
+        </div>
+
+        <!-- Late Game -->
+        <ItemRow
+          v-if="lateGameItems.length > 0"
+          label="Late Game"
+          :items="lateGameItems"
+          :item-map="itemMap"
+          :total-count="currentBuild.count"
+          :max-items="6"
+        />
+      </div>
+    </div>
+  </div>
+</template>
+
+<style>
+.build-viewer {
+  width: 100%;
+  max-width: 1100px;
+  margin: 0 auto;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+/* Main Build Content */
+.build-content {
+  display: flex;
+  justify-content: center;
+  gap: 80px;
+  padding: 0 24px;
+  width: 100%;
+}
+
+.section-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+}
+
+.section-title {
+  font-size: 1rem;
+  font-weight: 600;
+  margin-bottom: 10px;
+  color: #4a9eff;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+/* Left Column: Runes + Summoner Spells */
+.build-left-column {
+  display: flex;
+  flex-direction: column;
+  gap: 40px;
+}
+
+.rune-section {
+  display: flex;
+  flex-direction: column;
+}
+
+.rune-page-wrapper {
+  margin-top: -45px;
+  transform: scale(0.7);
+  transform-origin: center;
+}
+
+/* Right Column: Items */
+.build-right-column {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.item-row-group {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 24px;
+  align-items: flex-start;
+}
+
+.item-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.item-row-label {
+  font-size: 0.8rem;
+  font-weight: 500;
+  color: var(--color-on-surface);
+  opacity: 0.6;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+/* Responsive: Mobile */
+@media only screen and (max-width: 900px) {
+  .build-content {
+    flex-direction: column;
+    gap: 40px;
+    align-items: center;
+  }
+
+  .build-left-column {
+    order: 1;
+    align-items: center;
+  }
+
+  .build-right-column {
+    order: 2;
+    align-items: center;
+  }
+
+  .section-title {
+    font-size: 0.9rem;
+  }
+
+  .rune-section,
+  .summoner-spells-section {
+    align-items: center;
+  }
+
+  .rune-page-wrapper {
+    transform: scale(1);
+    transform-origin: center center;
+    margin-top: 0px;
+  }
+}
+</style>

frontend/components/item/Box.vue

@@ -1,49 +0,0 @@
-<script lang="ts" setup>
-defineProps<{
-  title: string
-  bootsFirst?: number
-  sizePerc?: number
-}>()
-</script>
-
-<template>
-  <div
-    :style="
-      sizePerc != undefined && sizePerc != null ? 'max-height: ' + sizePerc * 600 + 'px;' : ''
-    "
-    class="item-box"
-  >
-    <div
-      style="display: flex; flex-direction: column; justify-content: center; align-items: center"
-    >
-      <h2 class="item-box-title">{{ title }}</h2>
-      <h5 v-if="bootsFirst != undefined && bootsFirst != null" style="margin: auto">
-        ({{ (bootsFirst * 100).toFixed(2) }}%)
-      </h5>
-    </div>
-    <slot />
-  </div>
-</template>
-
-<style scoped>
-.item-box {
-  border: 1px solid var(--color-on-surface);
-  border-radius: 8px;
-
-  margin: 10px;
-
-  width: fit-content;
-  height: 600px;
-}
-.item-box-title {
-  font-variant: small-caps;
-  text-align: center;
-  margin: 10px;
-}
-@media only screen and (max-width: 1000px) {
-  .item-box {
-    width: 95%;
-    height: fit-content;
-  }
-}
-</style>

frontend/components/item/ItemIcon.vue

@@ -0,0 +1,137 @@
+<script setup lang="ts">
+import { CDRAGON_BASE, mapPath } from '~/utils/cdragon'
+
+interface Props {
+  item: Item
+  size?: number
+  showPickrate?: boolean
+  pickrate?: number
+  class?: string
+}
+
+// Expose the icon element for external use (e.g., arrow drawing)
+const iconElement = ref<HTMLElement | null>(null)
+
+defineExpose({
+  iconElement
+})
+
+const props = withDefaults(defineProps<Props>(), {
+  size: 48,
+  showPickrate: false,
+  pickrate: 0,
+  class: ''
+})
+
+// Tooltip state - encapsulated in this component
+const tooltipState = reactive({
+  show: false,
+  item: null as Item | null,
+  x: 0,
+  y: 0
+})
+
+const handleMouseEnter = (event: MouseEvent) => {
+  tooltipState.item = props.item
+
+  // Calculate optimal position to keep tooltip within viewport
+  // Don't estimate height - position based on cursor location
+  const tooltipWidth = 300 // Maximum width from CSS
+  const padding = 10 // Minimum padding from edges
+  const offset = 15 // Distance from cursor
+
+  // Get viewport dimensions
+  const viewportWidth = window.innerWidth
+  const viewportHeight = window.innerHeight
+
+  // Right edge detection: if we're in the right half, position to the left
+  let x = event.clientX + offset
+  if (event.clientX + tooltipWidth + offset > viewportWidth - padding) {
+    x = event.clientX - tooltipWidth - offset
+    // Clamp if still off-screen
+    if (x < padding) {
+      x = padding
+    }
+  }
+
+  // Bottom edge detection: if we're in the bottom half, position above
+  // Use a smaller offset for vertical to keep it close
+  let y = event.clientY + offset
+  if (event.clientY > viewportHeight * 0.7) {
+    y = event.clientY - offset - 200 // Position ~200px above
+    // Clamp if too high
+    if (y < padding) {
+      y = padding
+    }
+  }
+
+  // Ensure Y is within reasonable bounds
+  y = Math.min(y, viewportHeight - padding)
+
+  tooltipState.x = x
+  tooltipState.y = y
+  tooltipState.show = true
+}
+
+const handleMouseLeave = () => {
+  tooltipState.show = false
+  tooltipState.item = null
+}
+
+const itemIconPath = computed(() => CDRAGON_BASE + mapPath(props.item.iconPath))
+</script>
+
+<template>
+  <div class="item-icon-wrapper" @mouseleave="handleMouseLeave">
+    <div
+      ref="iconElement"
+      class="item-icon"
+      :class="props.class"
+      :style="{ width: size + 'px', height: size + 'px' }"
+      @mouseenter="handleMouseEnter"
+    >
+      <NuxtImg :src="itemIconPath" :alt="item.name || 'Item'" class="item-img" />
+    </div>
+
+    <span v-if="showPickrate" class="item-pickrate"> {{ (pickrate * 100).toFixed(0) }}% </span>
+
+    <ItemTooltip
+      :show="tooltipState.show"
+      :item="tooltipState.item"
+      :x="tooltipState.x"
+      :y="tooltipState.y"
+    />
+  </div>
+</template>
+
+<style scoped>
+.item-icon-wrapper {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.item-icon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 4px;
+  border: 1px solid var(--color-on-surface);
+  overflow: hidden;
+  cursor: help;
+  position: relative;
+}
+
+.item-img {
+  width: 100%;
+  height: 100%;
+}
+
+.item-pickrate {
+  font-size: 0.65rem;
+  color: var(--color-on-surface);
+  opacity: 0.6;
+  margin-top: 2px;
+  white-space: nowrap;
+}
+</style>

frontend/components/item/ItemTooltip.vue

@@ -0,0 +1,349 @@
+<script setup lang="ts">
+import { CDRAGON_BASE, mapPath } from '~/utils/cdragon'
+
+interface Props {
+  item: Item | null
+  show: boolean
+  x: number
+  y: number
+}
+
+const props = defineProps<Props>()
+
+// Parse description and convert to styled HTML
+const formatDescription = (description?: string) => {
+  if (!description) return ''
+
+  // Replace <br> and other structural tags
+  const html = description
+    .replace(/<br\s*\/?>/gi, '<br>')
+    .replace(/<br><br><br>/gi, '') // Remove triple breaks
+    .replace(/<br><br>/gi, '') // Remove double breaks
+    .replace(/<mainText>/gi, '')
+    .replace(/<\/mainText>/gi, '')
+    .replace(/<stats>/gi, '<div class="tooltip-stats">')
+    .replace(/<\/stats>/gi, '</div>')
+    .replace(/<passive>/gi, '<span class="tag-passive">')
+    .replace(/<\/passive>/gi, '</span>:')
+    .replace(/<active>/gi, '<span class="tag-active">')
+    .replace(/<\/active>/gi, '</span>')
+    .replace(/<keyword>/gi, '<span class="tag-keyword">')
+    .replace(/<\/keyword>/gi, '</span>')
+    .replace(/<attention>/gi, '<span class="stat-highlight">')
+    .replace(/<\/attention>/gi, '</span>')
+    .replace(/<keywordMajor>/gi, '<span class="tag-keyword-major">')
+    .replace(/<\/keywordMajor>/gi, '</span>')
+    .replace(/<keywordStealth>/gi, '<span class="tag-keyword-stealth">')
+    .replace(/<\/keywordStealth>/gi, '</span>')
+    .replace(/<status>/gi, '<span class="tag-status">')
+    .replace(/<\/status>/gi, '</span>')
+    .replace(/<speed>/gi, '<span class="tag-speed">')
+    .replace(/<\/speed>/gi, '</span>')
+    .replace(/<scaleMana>/gi, '<span class="tag-scale-mana">')
+    .replace(/<\/scaleMana>/gi, '</span>')
+    .replace(/<scaleHealth>/gi, '<span class="tag-scale-health">')
+    .replace(/<\/scaleHealth>/gi, '</span>')
+    .replace(/<scaleAP>/gi, '<span class="tag-scale-ap">')
+    .replace(/<\/scaleAP>/gi, '</span>')
+    .replace(/<scaleAD>/gi, '<span class="tag-scale-ad">')
+    .replace(/<\/scaleAD>/gi, '</span>')
+    .replace(/<scaleArmor>/gi, '<span class="tag-scale-armor">')
+    .replace(/<\/scaleArmor>/gi, '</span>')
+    .replace(/<scaleMR>/gi, '<span class="tag-scale-mr">')
+    .replace(/<\/scaleMR>/gi, '</span>')
+    .replace(/<scaleLevel>/gi, '<span class="tag-scale-level">')
+    .replace(/<\/scaleLevel>/gi, '</span>')
+    .replace(/<spellName>/gi, '<span class="tag-spellname">')
+    .replace(/<\/spellName>/gi, '</span>')
+    .replace(/<unique>/gi, '<span class="tag-unique">UNIQUE</span>')
+    .replace(/<\/unique>/gi, '')
+    .replace(/<rarityMythic>/gi, '<span class="tag-rarity-mythic">Mythic</span>')
+    .replace(/<\/rarityMythic>/gi, '')
+    .replace(/<rarityLegendary>/gi, '<span class="tag-rarity-legendary">Legendary</span>')
+    .replace(/<\/rarityLegendary>/gi, '')
+    .replace(/<rarityGeneric>/gi, '<span class="tag-rarity-generic">Epic</span>')
+    .replace(/<\/rarityGeneric>/gi, '')
+    .replace(/<rules>/gi, '<div class="tag-rules">')
+    .replace(/<\/rules>/gi, '</div>')
+    .replace(/<flavorText>/gi, '<div class="tag-flavor">')
+    .replace(/<\/flavorText>/gi, '</div>')
+    .replace(/<li>/gi, '<div class="tag-list">')
+    .replace(/<\/li>/gi, '</div>')
+    .replace(/<font color='([^']+)'>/gi, '<span style="color: $1">')
+    .replace(/<\/font>/gi, '</span>')
+    .replace(/<b>/gi, '<strong>')
+    .replace(/<\/b>/gi, '</strong>')
+    .replace(/\[@@[^@]*@@\]/g, ' ') // Remove stat placeholders
+    .trim()
+
+  return html
+}
+
+const formattedDescription = computed(() =>
+  props.item ? formatDescription(props.item.description) : ''
+)
+</script>
+
+<template>
+  <Teleport to="body">
+    <Transition name="fade">
+      <div
+        v-if="show && item"
+        class="item-tooltip"
+        :style="{
+          left: x + 'px',
+          top: y + 'px'
+        }"
+        @mouseenter.stop
+      >
+        <div class="tooltip-header">
+          <NuxtImg class="tooltip-icon" :src="CDRAGON_BASE + mapPath(item.iconPath)" />
+          <div class="tooltip-title">
+            <h3>{{ item.name || 'Unknown Item' }}</h3>
+            <span v-if="item.priceTotal" class="tooltip-gold"> {{ item.priceTotal }} Gold </span>
+          </div>
+        </div>
+
+        <div v-if="item.plaintext" class="tooltip-plaintext">
+          {{ item.plaintext }}
+        </div>
+
+        <!-- eslint-disable vue/no-v-html -->
+        <div
+          v-if="formattedDescription"
+          class="tooltip-description"
+          v-html="formattedDescription"
+        ></div>
+        <!-- eslint-enable vue/no-v-html -->
+      </div>
+    </Transition>
+  </Teleport>
+</template>
+
+<style scoped>
+.item-tooltip {
+  position: fixed;
+  z-index: 1000;
+  background: var(--color-surface);
+  border: 1px solid var(--color-on-surface);
+  border-radius: 8px;
+  padding: 12px;
+  max-width: 300px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
+  pointer-events: none;
+}
+
+.tooltip-header {
+  display: flex;
+  gap: 12px;
+  margin-bottom: 10px;
+}
+
+.tooltip-icon {
+  width: 48px;
+  height: 48px;
+  border-radius: 4px;
+  border: 1px solid var(--color-on-surface);
+  flex-shrink: 0;
+}
+
+.tooltip-title {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+
+.tooltip-title h3 {
+  margin: 0;
+  font-size: 1rem;
+  font-weight: 600;
+  color: var(--color-on-surface);
+  line-height: 1.2;
+}
+
+.tooltip-gold {
+  font-size: 0.85rem;
+  color: var(--color-gold);
+  margin-top: 4px;
+}
+
+.tooltip-plaintext {
+  font-size: 0.85rem;
+  color: var(--color-on-surface);
+  opacity: 0.8;
+  margin-bottom: 8px;
+  font-style: italic;
+}
+
+.tooltip-description {
+  font-size: 0.85rem;
+  color: var(--color-on-surface);
+  line-height: 1.5;
+  white-space: pre-wrap;
+}
+
+/* Stats section */
+.tooltip-stats {
+  margin-bottom: 8px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid var(--color-on-surface-dim);
+}
+
+.tooltip-stats :deep(.stat-highlight) {
+  color: #ffcc00;
+  font-weight: 600;
+}
+
+/* Tag styles */
+.tooltip-description :deep(.tag-passive) {
+  color: #4a9eff;
+  font-weight: 600;
+}
+
+.tooltip-description :deep(.tag-active) {
+  color: #ff6b6b;
+  font-weight: 600;
+}
+
+.tooltip-description :deep(.tag-keyword) {
+  color: #ffd700;
+  font-weight: 600;
+}
+
+.tooltip-description :deep(.tag-keyword-major) {
+  color: #ff8c00;
+  font-weight: 700;
+  font-style: italic;
+}
+
+.tooltip-description :deep(.tag-keyword-stealth) {
+  color: #9b59b6;
+  font-weight: 600;
+}
+
+.tooltip-description :deep(.tag-status) {
+  color: #e74c3c;
+  font-weight: 500;
+  font-style: italic;
+}
+
+.tooltip-description :deep(.tag-speed),
+.tooltip-description :deep(.tag-scale-mana),
+.tooltip-description :deep(.tag-scale-health),
+.tooltip-description :deep(.tag-scale-ap),
+.tooltip-description :deep(.tag-scale-ad),
+.tooltip-description :deep(.tag-scale-armor),
+.tooltip-description :deep(.tag-scale-mr),
+.tooltip-description :deep(.tag-scale-level) {
+  color: #3498db;
+  font-style: italic;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-healing),
+.tooltip-description :deep(.tag-health) {
+  color: #2ecc71;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-shield) {
+  color: #3498db;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-magic-damage) {
+  color: #9b59b6;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-physical-damage) {
+  color: #e67e22;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-true-damage) {
+  color: #c0392b;
+  font-weight: 600;
+}
+
+.tooltip-description :deep(.tag-onhit) {
+  background: rgba(52, 152, 219, 0.1);
+  color: #3498db;
+  padding: 1px 4px;
+  border-radius: 3px;
+  font-size: 0.8rem;
+  font-weight: 500;
+}
+
+.tooltip-description :deep(.tag-spellname) {
+  color: #1abc9c;
+  font-weight: 600;
+  font-style: italic;
+}
+
+.tooltip-description :deep(.tag-unique) {
+  color: #f39c12;
+  font-weight: 700;
+  font-size: 0.75rem;
+  letter-spacing: 0.5px;
+}
+
+.tooltip-description :deep(.tag-rarity-mythic) {
+  color: #ff5252;
+  font-weight: 700;
+  font-size: 0.85rem;
+}
+
+.tooltip-description :deep(.tag-rarity-legendary) {
+  color: #ff9800;
+  font-weight: 600;
+  font-size: 0.85rem;
+}
+
+.tooltip-description :deep(.tag-rarity-generic) {
+  color: #ffd54f;
+  font-weight: 500;
+  font-size: 0.85rem;
+}
+
+.tooltip-description :deep(.tag-rules) {
+  margin-top: 8px;
+  padding: 6px;
+  background: rgba(0, 0, 0, 0.1);
+  border-left: 2px solid var(--color-on-surface-dim);
+  font-size: 0.8rem;
+  font-style: italic;
+  opacity: 0.8;
+}
+
+.tooltip-description :deep(.tag-flavor) {
+  margin-top: 10px;
+  padding: 6px;
+  background: rgba(74, 222, 255, 0.1);
+  border-left: 2px solid #4a9eff;
+  font-size: 0.8rem;
+  font-style: italic;
+  color: rgba(255, 255, 255, 0.7);
+}
+
+.tooltip-description :deep(.tag-list) {
+  margin: 4px 0;
+  padding-left: 12px;
+  position: relative;
+}
+
+.tooltip-description strong {
+  font-weight: 600;
+  color: var(--color-on-surface);
+}
+
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.15s ease;
+}
+
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}
+</style>

frontend/components/item/Tree.vue

@@ -9,18 +9,19 @@ defineProps<{
 const emit = defineEmits<{
   mount: [end: Element]
   refresh: []
+  parentReady: []
 }>()
 
-const { data: items } = useFetch<Array<{ id: number; iconPath: string }>>(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/items.json',
-  {
-    lazy: true, // Don't block rendering
-    server: false // Client-side only
-  }
-)
+const { data: items, pending: itemsLoading } = useFetch<Array<Item>>('/api/cdragon/items', {
+  lazy: true, // Don't block rendering
+  server: false // Client-side only
+})
+
+// Track image loading state
+const imagesLoaded = ref(false)
 
 // Create item map reactively
-const itemMap = reactive(new Map<number, { id: number; iconPath: string }>())
+const itemMap = reactive(new Map<number, Item>())
 watch(
   items,
   newItems => {
@@ -34,19 +35,85 @@ watch(
   { immediate: true }
 )
 
-function getItemIconPath(itemId: number): string {
-  const item = itemMap.get(itemId)
-  return item ? CDRAGON_BASE + mapPath(item.iconPath) : ''
+const startTreeItem = useTemplateRef('start')
+const arrows: Array<svgdomarrowsLinePath> = []
+const pendingChildMounts: Array<Element> = []
+
+// Get the actual icon element for arrow drawing
+const startElement = computed(() => startTreeItem.value?.iconElement ?? null)
+
+// Function to wait for an image to load
+function waitForImageLoad(imgElement: HTMLImageElement): Promise<void> {
+  return new Promise(resolve => {
+    if (imgElement.complete) {
+      requestAnimationFrame(() => resolve())
+      return
+    }
+
+    imgElement.addEventListener(
+      'load',
+      () => {
+        requestAnimationFrame(() => resolve())
+      },
+      { once: true }
+    )
+    imgElement.addEventListener(
+      'error',
+      () => {
+        requestAnimationFrame(() => resolve())
+      },
+      { once: true }
+    )
+  })
 }
 
-const start: Ref<Element | null> = useTemplateRef('start')
-const arrows: Array<svgdomarrowsLinePath> = []
+onMounted(async () => {
+  // Wait for next tick to ensure DOM is ready
+  await nextTick()
 
-onMounted(() => {
-  // Only refresh arrows and emit if start element is available
-  if (start.value) {
-    refreshArrows()
-    emit('mount', start.value)
+  // Wait for items to be loaded
+  await new Promise<void>(resolve => {
+    if (!itemsLoading.value) {
+      resolve()
+    } else {
+      const unwatch = watch(itemsLoading, loading => {
+        if (!loading) {
+          unwatch()
+          resolve()
+        }
+      })
+    }
+  })
+
+  if (startElement.value) {
+    // Wait for the ItemIcon to load its image
+    const imgElement = startElement.value.querySelector('img')
+    if (imgElement) {
+      await waitForImageLoad(imgElement as HTMLImageElement)
+    }
+
+    // Now that image is loaded and DOM is ready, draw arrows
+    imagesLoaded.value = true
+
+    // Notify children that parent is ready
+    emit('parentReady')
+
+    // Draw any pending arrows from children that mounted before we were ready
+    if (pendingChildMounts.length > 0) {
+      await nextTick()
+      for (const childEnd of pendingChildMounts) {
+        drawArrow(startElement.value!, childEnd)
+      }
+      pendingChildMounts.length = 0
+    }
+
+    // Use multiple requestAnimationFrame to ensure rendering is complete
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        refreshArrows()
+        emit('mount', startElement.value!)
+      })
+    })
   }
 })
 
@@ -57,10 +124,17 @@ onBeforeUpdate(() => {
   arrows.splice(0, arrows.length)
 })
 
-onUpdated(() => {
-  if (start.value) {
-    refreshArrows()
-    emit('mount', start.value)
+onUpdated(async () => {
+  await nextTick()
+
+  if (startElement.value && imagesLoaded.value) {
+    // Redraw arrows after DOM update
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        refreshArrows()
+        emit('mount', startElement.value!)
+      })
+    })
   }
 })
 
@@ -71,7 +145,6 @@ onUnmounted(() => {
 })
 
 function drawArrow(start: Element, end: Element) {
-  // console.log("drawArrow(", start, ", ", end, ")")
   if (start == null || end == null) return
 
   const arrow = new svgdomarrowsLinePath({
@@ -89,16 +162,21 @@ function drawArrow(start: Element, end: Element) {
         left: 0
       }
     },
-    style: 'stroke:var(--color-on-surface);stroke-width:3;fill:transparent;',
+    style: 'stroke:var(--color-on-surface);stroke-width:2;fill:transparent;pointer-events:none;',
     appendTo: document.body
   })
   arrows.push(arrow)
 }
 
 function refreshArrows() {
-  for (const arrow of arrows) {
-    arrow.redraw()
-  }
+  // Double requestAnimationFrame to ensure layout is complete
+  requestAnimationFrame(() => {
+    requestAnimationFrame(() => {
+      for (const arrow of arrows) {
+        arrow.redraw()
+      }
+    })
+  })
 }
 
 // Redraw arrows on window resize
@@ -110,12 +188,36 @@ addEventListener('scroll', _ => {
 })
 
 function handleSubtreeMount(end: Element) {
-  if (start.value) {
-    drawArrow(start.value, end)
-    refreshArrows()
+  if (startElement.value) {
+    if (imagesLoaded.value) {
+      // Parent is ready, draw arrow immediately
+      requestAnimationFrame(() => {
+        requestAnimationFrame(() => {
+          drawArrow(startElement.value!, end)
+          refreshArrows()
+        })
+      })
+    } else {
+      // Parent not ready yet, store for later
+      pendingChildMounts.push(end)
+    }
   }
   emit('refresh')
 }
+
+function handleParentReady() {
+  // Parent became ready, redraw all our arrows
+  if (startElement.value && imagesLoaded.value) {
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        refreshArrows()
+      })
+    })
+  }
+  // Propagate to children
+  emit('parentReady')
+}
+
 function handleRefresh() {
   refreshArrows()
   emit('refresh')
@@ -123,37 +225,64 @@ function handleRefresh() {
 </script>
 
 <template>
-  <div style="display: flex; align-items: center">
-    <div
-      v-if="tree.data != undefined && tree.data != null"
-      style="width: fit-content; height: fit-content"
-    >
-      <img
+  <div class="item-tree-container">
+    <div v-if="tree.data != undefined && tree.data != null" class="item-tree-node">
+      <ItemIcon
+        v-if="itemMap.get(tree.data)"
         ref="start"
-        class="item-img"
-        width="64"
-        height="64"
-        :alt="tree.data.toString()"
-        :src="getItemIconPath(tree.data)"
+        :item="itemMap.get(tree.data)!"
+        :show-pickrate="true"
+        :pickrate="parentCount ? tree.count / parentCount : 0"
+        :size="48"
+        class="item-tree-img"
       />
-      <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-        {{ ((tree.count / parentCount!!) * 100).toFixed(0) }}%
-      </h3>
     </div>
 
-    <div style="margin-left: 30px">
-      <div
-        v-for="child in tree.children"
-        :key="child.data"
-        style="width: fit-content; height: fit-content"
-      >
+    <div class="item-tree-children">
+      <div v-for="child in tree.children" :key="child.data" class="item-tree-child">
         <ItemTree
           :tree="child"
           :parent-count="tree.count"
           @refresh="handleRefresh"
           @mount="end => handleSubtreeMount(end)"
+          @parent-ready="handleParentReady"
         />
       </div>
     </div>
   </div>
 </template>
+
+<style>
+.item-tree-container {
+  display: flex;
+  align-items: center;
+  justify-content: flex-start;
+}
+
+.item-tree-node {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  width: fit-content;
+  position: relative;
+  z-index: 10;
+}
+
+.item-tree-children {
+  margin-left: 32px;
+  position: relative;
+  z-index: 1;
+}
+
+.item-tree-child {
+  width: fit-content;
+  position: relative;
+}
+
+/* Mobile responsive */
+@media only screen and (max-width: 900px) {
+  .item-tree-children {
+    margin-left: 20px;
+  }
+}
+</style>

frontend/components/item/Viewer.vue

@@ -1,349 +0,0 @@
-<script setup lang="ts">
-import { isEmpty, deepClone } from '~/utils/helpers'
-
-const props = defineProps<{
-  builds: Builds
-  loading?: boolean
-  error?: boolean
-}>()
-
-// Constants
-const ITEMS_API_URL = CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/items.json'
-
-// State
-const {
-  data: items,
-  pending: loadingItems,
-  error: itemsError
-} = useFetch(ITEMS_API_URL, {
-  lazy: true, // Don't block rendering
-  server: false // Client-side only
-})
-const itemMap = ref<Map<number, unknown>>(new Map())
-
-// Initialize item map
-watch(
-  items,
-  newItems => {
-    try {
-      const itemsData = newItems || []
-      if (Array.isArray(itemsData)) {
-        const map = new Map<number, unknown>()
-        for (const item of itemsData) {
-          if (item?.id) {
-            map.set(item.id, item)
-          }
-        }
-        itemMap.value = map
-      }
-    } catch (error) {
-      console.error('Error initializing item map:', error)
-    }
-  },
-  { immediate: true }
-)
-
-// Builds management
-const builds = ref<Builds>(deepClone(props.builds))
-
-watch(
-  () => props.builds,
-  newBuilds => {
-    builds.value = deepClone(newBuilds)
-    trimBuilds(builds.value)
-    trimLateGameItems(builds.value)
-  },
-  { deep: true }
-)
-
-// Initialize with trimmed builds
-onMounted(() => {
-  trimBuilds(builds.value)
-  trimLateGameItems(builds.value)
-})
-
-/**
- * Trim builds tree to show only primary build paths
- */
-function trimBuilds(builds: Builds): void {
-  if (!builds?.tree?.children) return
-
-  // Keep only the first child (primary build path)
-  builds.tree.children.splice(1, builds.tree.children.length - 1)
-
-  // For the primary path, keep only the first child of the first child
-  if (builds.tree.children[0]?.children) {
-    builds.tree.children[0].children.splice(1, builds.tree.children[0].children.length - 1)
-  }
-}
-
-/**
- * Remove items from lateGame that are already in the build tree
- */
-function trimLateGameItems(builds: Builds): void {
-  if (!builds?.tree || isEmpty(builds.lateGame)) return
-
-  function trimLateGameItemsFromTree(tree: ItemTree): void {
-    const foundIndex = builds.lateGame.findIndex(x => x.data === tree.data)
-    if (foundIndex !== -1) {
-      builds.lateGame.splice(foundIndex, 1)
-    }
-
-    for (const child of tree.children || []) {
-      trimLateGameItemsFromTree(child)
-    }
-  }
-
-  trimLateGameItemsFromTree(builds.tree)
-}
-
-// Error and loading states
-const _hasError = computed(() => itemsError.value || props.error)
-const _isLoading = computed(() => loadingItems.value || props.loading)
-</script>
-
-<template>
-  <div id="iv-container">
-    <div>
-      <!-- Start items -->
-      <ItemBox v-if="builds.suppItems == undefined || builds.suppItems == null" title="start">
-        <div class="iv-items-container">
-          <div
-            v-for="item in builds.start"
-            :key="item.data"
-            style="margin-left: 5px; margin-right: 5px"
-          >
-            <NuxtImg
-              v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-              class="item-img"
-              width="64"
-              height="64"
-              :alt="item.data.toString()"
-              :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-            />
-            <div
-              v-else
-              style="
-                width: 64px;
-                height: 64px;
-                margin: 10px;
-                background: var(--color-surface);
-                border: 1px solid var(--color-on-surface);
-              "
-            ></div>
-            <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-              {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-            </h3>
-          </div>
-        </div>
-      </ItemBox>
-      <!-- Supp items -->
-      <ItemBox v-if="builds.suppItems != undefined && builds.suppItems != null" title="supp">
-        <div class="iv-items-container">
-          <div
-            v-for="item in builds.suppItems"
-            :key="item.data"
-            style="margin-left: 5px; margin-right: 5px"
-          >
-            <NuxtImg
-              v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-              class="item-img"
-              width="64"
-              height="64"
-              :alt="item.data.toString()"
-              :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-            />
-            <div
-              v-else
-              style="
-                width: 64px;
-                height: 64px;
-                margin: 10px;
-                background: var(--color-surface);
-                border: 1px solid var(--color-on-surface);
-              "
-            ></div>
-            <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-              {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-            </h3>
-          </div>
-        </div>
-      </ItemBox>
-    </div>
-
-    <!-- Boots first : when champion rush boots -->
-    <ItemBox v-if="builds.bootsFirst > 0.5" title="boots rush" :boots-first="builds.bootsFirst">
-      <div class="iv-items-container">
-        <div
-          v-for="item in builds.boots"
-          :key="item.data"
-          style="margin-left: 5px; margin-right: 5px"
-        >
-          <NuxtImg
-            v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-            class="item-img"
-            width="64"
-            height="64"
-            :alt="item.data.toString()"
-            :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-          />
-          <div
-            v-else
-            style="
-              width: 64px;
-              height: 64px;
-              margin: 10px;
-              background: var(--color-surface);
-              border: 1px solid var(--color-on-surface);
-            "
-          ></div>
-          <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-            {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-          </h3>
-        </div>
-      </div>
-    </ItemBox>
-
-    <!-- Core items -->
-    <ItemBox title="core">
-      <ItemTree style="margin: auto; width: fit-content" :tree="builds.tree" />
-    </ItemBox>
-
-    <!-- Boots -->
-    <ItemBox v-if="builds.bootsFirst <= 0.5" title="boots">
-      <div class="iv-items-container">
-        <div
-          v-for="item in builds.boots.slice(0, 4)"
-          :key="item.data"
-          style="margin-left: 5px; margin-right: 5px"
-        >
-          <NuxtImg
-            v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-            class="item-img"
-            width="64"
-            height="64"
-            :alt="item.data.toString()"
-            :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-          />
-          <div
-            v-else
-            style="
-              width: 64px;
-              height: 64px;
-              margin: 10px;
-              background: var(--color-surface);
-              border: 1px solid var(--color-on-surface);
-            "
-          ></div>
-          <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-            {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-          </h3>
-        </div>
-      </div>
-    </ItemBox>
-
-    <!-- Late game items -->
-    <ItemBox title="late game">
-      <div id="iv-late-game-container">
-        <div class="iv-items-container">
-          <div
-            v-for="item in builds.lateGame.slice(0, 4)"
-            :key="item.data"
-            style="margin-left: 5px; margin-right: 5px"
-          >
-            <NuxtImg
-              v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-              class="item-img"
-              width="64"
-              height="64"
-              :alt="item.data.toString()"
-              :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-            />
-            <div
-              v-else
-              style="
-                width: 64px;
-                height: 64px;
-                margin: 10px;
-                background: var(--color-surface);
-                border: 1px solid var(--color-on-surface);
-              "
-            ></div>
-            <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-              {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-            </h3>
-          </div>
-        </div>
-
-        <div v-if="builds.lateGame.length > 4" class="iv-items-container">
-          <div
-            v-for="item in builds.lateGame.slice(4, 8)"
-            :key="item.data"
-            style="margin-left: 5px; margin-right: 5px"
-          >
-            <NuxtImg
-              v-if="item.data != null && item.data != undefined && itemMap.get(item.data)"
-              class="item-img"
-              width="64"
-              height="64"
-              :alt="item.data.toString()"
-              :src="CDRAGON_BASE + mapPath((itemMap.get(item.data) as any).iconPath)"
-            />
-            <div
-              v-else
-              style="
-                width: 64px;
-                height: 64px;
-                margin: 10px;
-                background: var(--color-surface);
-                border: 1px solid var(--color-on-surface);
-              "
-            ></div>
-            <h3 style="width: fit-content; margin: auto; margin-bottom: 10px">
-              {{ ((item.count / builds.tree.count) * 100).toFixed(0) }}%
-            </h3>
-          </div>
-        </div>
-      </div>
-    </ItemBox>
-  </div>
-</template>
-
-<style>
-#iv-container {
-  display: flex;
-  width: fit-content;
-  height: fit-content;
-}
-.iv-items-container {
-  display: flex;
-  flex-direction: column;
-  width: fit-content;
-  height: fit-content;
-  margin: auto;
-}
-.item-img {
-  border: 1px solid var(--color-on-surface);
-  margin: 10px;
-}
-#iv-late-game-container {
-  display: flex;
-}
-
-@media only screen and (max-width: 1000px) {
-  #iv-container {
-    flex-direction: column;
-    width: 100%;
-  }
-  .iv-items-container {
-    flex-direction: row;
-  }
-  .item-img {
-    width: 48px;
-    height: 48px;
-  }
-  #iv-late-game-container {
-    flex-direction: column;
-  }
-}
-</style>

frontend/components/nav/BottomBar.vue

@@ -10,7 +10,7 @@ const emit = defineEmits<{
   stateChange: [state: string, lane: number]
 }>()
 
-const state = ref('runes')
+const state = ref('build')
 const laneState = ref(0)
 
 function handleStateChange(newState: string, newLane: number) {
@@ -49,16 +49,10 @@ if (route.path.startsWith('/tierlist/')) {
           />
           <div class="nav-buttons">
             <button
-              :class="['nav-button', { active: state == 'runes' && laneState == i }]"
-              @click="handleStateChange('runes', i)"
+              :class="['nav-button', { active: state == 'build' && laneState == i }]"
+              @click="handleStateChange('build', i)"
             >
-              Runes
-            </button>
-            <button
-              :class="['nav-button', { active: state == 'items' && laneState == i }]"
-              @click="handleStateChange('items', i)"
-            >
-              Items
+              Build
             </button>
             <button
               :class="['nav-button', { active: state == 'alternatives' && laneState == i }]"

frontend/components/nav/SideBar.vue

@@ -10,7 +10,7 @@ const emit = defineEmits<{
   stateChange: [state: string, lane: number]
 }>()
 
-const state = ref('runes')
+const state = ref('build')
 const laneState = ref(0)
 
 function handleStateChange(newState: string, newLane: number) {
@@ -39,9 +39,9 @@ if (route.path.startsWith('/tierlist/')) {
 
   <div class="sidebar-container">
     <Logo
-      font-size="2.6rem"
-      img-width="60"
-      style="padding-left: 15px; padding-right: 15px; margin-top: 30px"
+      font-size="2rem"
+      img-width="45"
+      style="padding-left: 10px; padding-right: 10px; margin-top: 20px"
     />
 
     <div v-for="(lane, i) in championLanes" :key="i">
@@ -49,22 +49,22 @@ if (route.path.startsWith('/tierlist/')) {
         style="
           display: flex;
           align-items: center;
-          margin-top: 30px;
+          margin-top: 20px;
           padding-right: 10px;
           overflow: hidden;
         "
       >
-        <h1 style="font-size: 2.4rem; padding-left: 20px">{{ championName }}</h1>
+        <h1 style="font-size: 1.8rem; padding-left: 15px">{{ championName }}</h1>
         <NuxtImg
           format="webp"
-          style="margin-left: 10px"
-          width="40"
-          height="40"
+          style="margin-left: 8px"
+          width="30"
+          height="30"
           :src="LANE_IMAGES[lanePositionToIndex(lane.data)]"
         />
         <h2
           v-if="championName != null && championName != undefined && championName.length < 8"
-          style="margin-left: 5px; font-size: 1.8rem; font-weight: 200"
+          style="margin-left: 5px; font-size: 1.4rem; font-weight: 200"
         >
           {{ POSITIONS_STR[lanePositionToIndex(lane.data.toLowerCase())] }}
         </h2>
@@ -72,21 +72,12 @@ if (route.path.startsWith('/tierlist/')) {
 
       <h2
         :class="
-          'sidebar-link ' + (state == 'runes' && laneState == i ? 'sidebar-link-selected' : '')
+          'sidebar-link ' + (state == 'build' && laneState == i ? 'sidebar-link-selected' : '')
         "
-        style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
-        @click="handleStateChange('runes', i)"
+        style="margin-top: 8px; font-size: 1.5rem; padding-left: 25px"
+        @click="handleStateChange('build', i)"
       >
-        Runes
-      </h2>
-      <h2
-        :class="
-          'sidebar-link ' + (state == 'items' && laneState == i ? 'sidebar-link-selected' : '')
-        "
-        style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
-        @click="handleStateChange('items', i)"
-      >
-        Items
+        Build
       </h2>
 
       <h2
@@ -94,7 +85,7 @@ if (route.path.startsWith('/tierlist/')) {
           'sidebar-link ' +
           (state == 'alternatives' && laneState == i ? 'sidebar-link-selected' : '')
         "
-        style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
+        style="margin-top: 8px; font-size: 1.5rem; padding-left: 25px"
         @click="handleStateChange('alternatives', i)"
       >
         Alternatives
@@ -103,15 +94,15 @@ if (route.path.startsWith('/tierlist/')) {
         :class="
           'sidebar-link ' + (state == 'matchups' && laneState == i ? 'sidebar-link-selected' : '')
         "
-        style="margin-top: 10px; font-size: 1.9rem; padding-left: 35px"
+        style="margin-top: 8px; font-size: 1.5rem; padding-left: 25px"
         @click="handleStateChange('matchups', i)"
       >
         Matchups
       </h2>
     </div>
 
-    <div v-if="tierlistList == true" style="margin-top: 30px">
-      <h2 style="padding-left: 20px; font-size: 2.4rem; margin-bottom: 10px">Tierlist</h2>
+    <div v-if="tierlistList == true" style="margin-top: 20px">
+      <h2 style="padding-left: 15px; font-size: 1.8rem; margin-bottom: 8px">Tierlist</h2>
       <NuxtLink
         v-for="(pos, i) in POSITIONS"
         :key="i"
@@ -121,16 +112,16 @@ if (route.path.startsWith('/tierlist/')) {
         <div
           :class="selected == pos ? 'sidebar-link-selected' : ''"
           class="sidebar-link"
-          style="padding-left: 35px; display: flex; align-items: center"
+          style="padding-left: 25px; display: flex; align-items: center"
         >
           <NuxtImg
             format="webp"
-            width="40"
-            height="40"
+            width="30"
+            height="30"
             :src="LANE_IMAGES[i]"
             :alt="POSITIONS_STR[i]"
           />
-          <h3 style="font-size: 2.1rem; font-weight: 200; margin-left: 10px">
+          <h3 style="font-size: 1.6rem; font-weight: 200; margin-left: 8px">
             {{ POSITIONS_STR[i] }}
           </h3>
         </div>
@@ -139,14 +130,14 @@ if (route.path.startsWith('/tierlist/')) {
 
     <div style="position: absolute; bottom: 0; margin-bottom: 10px; padding-left: 10px">
       <template v-if="stats">
-        <h3 style="font-size: 23px; font-weight: 200">Patch {{ stats.patch }}</h3>
-        <h3 style="font-size: 23px; font-weight: 200">{{ stats.count }} games</h3>
+        <h3 style="font-size: 18px; font-weight: 200">Patch {{ stats.patch }}</h3>
+        <h3 style="font-size: 18px; font-weight: 200">{{ stats.count }} games</h3>
       </template>
       <template v-else>
-        <h3 style="font-size: 23px; font-weight: 200; opacity: 0.5">Loading stats...</h3>
+        <h3 style="font-size: 18px; font-weight: 200; opacity: 0.5">Loading stats...</h3>
       </template>
       <NuxtLink to="/about"><h3>About</h3></NuxtLink>
-      <h2 style="font-size: 12px; font-weight: 200; margin-top: 5px">
+      <h2 style="font-size: 10px; font-weight: 200; margin-top: 3px; margin-right: 10px">
         BuildPath isn't endorsed by Riot Games and doesn't reflect the views or opinions of Riot
         Games or anyone officially involved in producing or managing Riot Games properties. Riot
         Games, and all associated properties are trademarks or registered trademarks of Riot Games,

frontend/components/rune/Page.vue

@@ -8,17 +8,13 @@ const props = defineProps<{
 const primaryStyle: Ref<PerkStyle> = ref({ id: 0, name: '', iconPath: '', slots: [] })
 const secondaryStyle: Ref<PerkStyle> = ref({ id: 0, name: '', iconPath: '', slots: [] })
 
-const { data: perks_data }: PerksResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/perks.json'
-)
+const { data: perks_data }: PerksResponse = await useFetch('/api/cdragon/perks')
 const perks = reactive(new Map())
 for (const perk of perks_data.value) {
   perks.set(perk.id, perk)
 }
 
-const { data: stylesData }: PerkStylesResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/perkstyles.json'
-)
+const { data: stylesData }: PerkStylesResponse = await useFetch('/api/cdragon/perkstyles')
 watch(
   () => props.primaryStyleId,
   async (_newP, _oldP) => {

frontend/components/rune/Selector.vue

@@ -1,155 +0,0 @@
-<script setup lang="ts">
-const props = defineProps<{
-  runes: Array<{
-    count: number
-    primaryStyle: number
-    secondaryStyle: number
-    selections: Array<number>
-    pickrate: number
-  }>
-}>()
-
-const currentlySelectedPage = ref(0)
-const primaryStyles: Ref<Array<PerkStyle>> = ref(Array(props.runes.length))
-const secondaryStyles: Ref<Array<PerkStyle>> = ref(Array(props.runes.length))
-const keystoneIds: Ref<Array<number>> = ref(Array(props.runes.length))
-
-const { data: perks_data }: PerksResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/perks.json'
-)
-const perks = reactive(new Map())
-for (const perk of perks_data.value) {
-  perks.set(perk.id, perk)
-}
-
-const { data: stylesData }: PerkStylesResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/perkstyles.json'
-)
-watch(
-  () => props.runes,
-  (_newRunes, _oldRunes) => {
-    currentlySelectedPage.value = 0
-    primaryStyles.value = Array(props.runes.length)
-    secondaryStyles.value = Array(props.runes.length)
-    keystoneIds.value = Array(props.runes.length)
-
-    refreshStylesKeystones()
-  }
-)
-
-function refreshStylesKeystones() {
-  for (const style of stylesData.value.styles) {
-    for (const rune of props.runes) {
-      if (style.id == rune.primaryStyle) {
-        primaryStyles.value[props.runes.indexOf(rune)] = style
-        for (const perk of style.slots[0].perks) {
-          if (rune.selections.includes(perk)) {
-            keystoneIds.value[props.runes.indexOf(rune)] = perk
-          }
-        }
-      }
-      if (style.id == rune.secondaryStyle) {
-        secondaryStyles.value[props.runes.indexOf(rune)] = style
-      }
-    }
-  }
-}
-
-refreshStylesKeystones()
-
-function runeSelect(index: number) {
-  currentlySelectedPage.value = index
-}
-</script>
-
-<template>
-  <div style="width: fit-content">
-    <RunePage
-      v-if="runes[currentlySelectedPage] != undefined && runes[currentlySelectedPage] != null"
-      style="margin: auto; width: fit-content"
-      :primary-style-id="runes[currentlySelectedPage].primaryStyle"
-      :secondary-style-id="runes[currentlySelectedPage].secondaryStyle"
-      :selection-ids="runes[currentlySelectedPage].selections"
-    />
-    <div style="display: flex; margin-top: 20px; justify-content: center">
-      <div v-for="(_, i) in runes" :key="i" @click="runeSelect(i)">
-        <div
-          :class="
-            'rune-selector-entry ' +
-            (i == currentlySelectedPage ? 'rune-selector-entry-selected' : '')
-          "
-        >
-          <div class="rs-styles-container">
-            <NuxtImg
-              v-if="primaryStyles[i] != null && primaryStyles[i] != undefined"
-              class="rs-style-img"
-              style="margin: auto"
-              :src="CDRAGON_BASE + mapPath(primaryStyles[i].iconPath)"
-            />
-            <NuxtImg
-              v-if="keystoneIds[i] != null && keystoneIds[i] != undefined"
-              class="rs-style-img"
-              width="34"
-              :src="CDRAGON_BASE + mapPath(perks.get(keystoneIds[i]).iconPath)"
-            />
-            <NuxtImg
-              v-if="secondaryStyles[i] != null && secondaryStyles[i] != undefined"
-              class="rs-style-img"
-              style="margin: auto"
-              :src="CDRAGON_BASE + mapPath(secondaryStyles[i].iconPath)"
-            />
-          </div>
-        </div>
-        <h3 class="rs-pickrate">{{ (runes[i].pickrate * 100).toFixed(2) }}% pick.</h3>
-      </div>
-    </div>
-  </div>
-</template>
-
-<style>
-.rune-selector-entry {
-  width: 200px;
-  height: 120px;
-
-  margin-left: 10px;
-  margin-right: 10px;
-
-  border-radius: 8%;
-  border: 1px solid var(--color-on-surface);
-}
-.rune-selector-entry:hover {
-  cursor: pointer;
-}
-.rune-selector-entry-selected {
-  background-color: var(--color-surface-darker);
-}
-.rs-styles-container {
-  display: flex;
-  margin-top: 20px;
-}
-.rs-pickrate {
-  text-align: center;
-  margin-top: -40px;
-  padding-bottom: 40px;
-}
-@media only screen and (max-width: 650px) {
-  .rune-selector-entry {
-    width: 100px;
-    height: 60px;
-
-    margin-left: 5px;
-    margin-right: 5px;
-  }
-  .rs-styles-container {
-    margin-top: 17px;
-  }
-  .rs-pickrate {
-    margin-top: 5px;
-    padding-bottom: 0px;
-  }
-  .rs-style-img {
-    width: 24px;
-    height: 24px;
-  }
-}
-</style>

frontend/composables/useBuilds.ts

@@ -0,0 +1,19 @@
+/**
+ * Composable for managing build data
+ */
+import { deepClone } from '~/utils/helpers'
+
+export const useBuilds = (buildsProp: Ref<Builds>) => {
+  const builds = ref<Builds>(deepClone(buildsProp.value))
+
+  // Watch for changes and rebuild
+  watch(
+    () => buildsProp.value,
+    newBuilds => {
+      builds.value = deepClone(newBuilds)
+    },
+    { deep: true }
+  )
+
+  return { builds }
+}

frontend/composables/useItemMap.ts

@@ -0,0 +1,30 @@
+/**
+ * Composable for fetching and managing item data from CDragon API
+ * Returns a reactive Map of item ID to item data
+ */
+export const useItemMap = () => {
+  const { data: items } = useFetch<Array<Item>>('/api/cdragon/items', {
+    lazy: true,
+    server: false
+  })
+
+  const itemMap = ref<Map<number, Item>>(new Map())
+
+  watch(
+    items,
+    newItems => {
+      if (Array.isArray(newItems)) {
+        const map = new Map<number, Item>()
+        for (const item of newItems) {
+          if (item?.id) {
+            map.set(item.id, item)
+          }
+        }
+        itemMap.value = map
+      }
+    },
+    { immediate: true }
+  )
+
+  return { itemMap }
+}

frontend/composables/useRuneStyles.ts

@@ -0,0 +1,46 @@
+/**
+ * Composable for fetching and managing rune styles and keystones
+ * Transforms rune data into format needed for display components
+ */
+export const useRuneStyles = () => {
+  const { data: perksData } = useFetch('/api/cdragon/perks')
+  const { data: stylesData } = useFetch('/api/cdragon/perkstyles')
+  console.log(stylesData.value)
+
+  const perks = reactive(new Map<number, Perk>())
+  watch(
+    perksData,
+    newPerks => {
+      if (Array.isArray(newPerks)) {
+        perks.clear()
+        for (const perk of newPerks) {
+          if (perk?.id) {
+            perks.set(perk.id, perk)
+          }
+        }
+      }
+    },
+    { immediate: true }
+  )
+
+  const perkStyles = reactive(new Map<number, PerkStyle>())
+  watch(
+    stylesData,
+    newPerkStyles => {
+      if (Array.isArray(newPerkStyles?.styles)) {
+        perkStyles.clear()
+        for (const perkStyle of newPerkStyles.styles) {
+          if (perkStyle?.id) {
+            perkStyles.set(perkStyle.id, perkStyle)
+          }
+        }
+      }
+    },
+    { immediate: true }
+  )
+
+  return {
+    perks,
+    perkStyles
+  }
+}

frontend/composables/useSummonerSpellMap.ts

@@ -0,0 +1,33 @@
+/**
+ * Composable for fetching and managing summoner spell data from CDragon API
+ * Returns a reactive Map of spell ID to spell data
+ */
+export const useSummonerSpellMap = () => {
+  const { data: summonerSpellsData } = useFetch<Array<SummonerSpell>>(
+    '/api/cdragon/summoner-spells',
+    {
+      lazy: true,
+      server: false
+    }
+  )
+
+  const summonerSpellMap = ref<Map<number, SummonerSpell>>(new Map())
+
+  watch(
+    summonerSpellsData,
+    newData => {
+      if (Array.isArray(newData)) {
+        const map = new Map<number, SummonerSpell>()
+        for (const spell of newData) {
+          if (spell?.id) {
+            map.set(spell.id, spell)
+          }
+        }
+        summonerSpellMap.value = map
+      }
+    },
+    { immediate: true }
+  )
+
+  return { summonerSpellMap }
+}

frontend/eslint.config.mjs

@@ -30,7 +30,10 @@ export default withNuxt([
         ChampionsResponse: 'readonly',
         ChampionResponse: 'readonly',
         ItemResponse: 'readonly',
-        MatchupData: 'readonly'
+        MatchupData: 'readonly',
+        Item: 'readonly',
+        SummonerSpell: 'readonly',
+        Perk: 'readonly'
       }
     },
     rules: {

frontend/pages/champion/[alias].vue

@@ -8,7 +8,14 @@ const championAlias = route.params.alias as string
 const isLoading = ref(true)
 const error = ref<string | null>(null)
 const laneState = ref(0)
-const state = ref('runes')
+const state = ref('build')
+
+// Data fetching
+const { itemMap } = useItemMap()
+const { perks } = useRuneStyles()
+
+// State for selected variant in alternatives tab
+const selectedAltVariant = ref(0)
 
 // Use useAsyncData with client-side fetching for faster initial page load
 const {
@@ -156,34 +163,57 @@ function fetchChampionData() {
         />
 
         <div id="champion-content">
-          <ChampionTitle
-            v-if="championData.gameCount > 0 && lane"
-            id="champion-title"
-            :champion-id="championId"
-            :winrate="lane.winrate || 0"
-            :pickrate="lane.pickrate || 0"
-            :game-count="lane.count || 0"
-          />
-          <ClientOnly>
-            <LazyRuneSelector
-              v-if="state == 'runes' && championData.gameCount > 0 && lane?.runes"
-              style="margin: auto; margin-top: 40px"
-              :runes="lane.runes"
+          <div class="champion-header">
+            <ChampionTitle
+              v-if="championData.gameCount > 0 && lane"
+              id="champion-title"
+              :champion-id="championId"
+              :winrate="lane.winrate || 0"
+              :pickrate="lane.pickrate || 0"
+              :game-count="lane.count || 0"
             />
-          </ClientOnly>
+            <SummonerSpells v-if="lane" :summoner-spells="lane.summonerSpells" />
+          </div>
+
           <ClientOnly>
-            <LazyItemViewer
-              v-if="state == 'items' && championData.gameCount > 0 && lane?.builds"
+            <LazyBuildViewer
+              v-if="state == 'build' && championData.gameCount > 0 && lane?.builds"
               style="margin: auto; margin-top: 40px"
               :builds="lane.builds"
             />
           </ClientOnly>
           <ClientOnly>
-            <LazyItemTree
-              v-if="state == 'alternatives' && championData.gameCount > 0 && lane?.builds?.tree"
-              style="margin: auto; margin-top: 40px; width: fit-content"
-              :tree="lane.builds.tree"
-            />
+            <div
+              v-if="state == 'alternatives' && championData.gameCount > 0 && lane && lane.builds"
+              style="
+                margin: auto;
+                margin-top: 40px;
+                display: flex;
+                flex-direction: column;
+                align-items: center;
+                gap: 20px;
+              "
+            >
+              <div style="display: flex">
+                <LazyBuildVariantSelector
+                  v-for="(build, i) in lane.builds"
+                  :key="i"
+                  :keystone-id="build.runeKeystone"
+                  :item-id="build.items.children[0].data"
+                  :keystore="perks"
+                  :item-map="itemMap"
+                  :pickrate="build.pickrate"
+                  :selected="selectedAltVariant == i"
+                  :index="i"
+                  @select="selectedAltVariant = i"
+                />
+              </div>
+              <LazyItemTree
+                v-if="lane.builds[selectedAltVariant]?.items"
+                style="width: fit-content"
+                :tree="lane.builds[selectedAltVariant].items"
+              />
+            </div>
           </ClientOnly>
           <ClientOnly>
             <LazyMatchupSection
@@ -216,8 +246,10 @@ function fetchChampionData() {
 }
 #champion-content {
   margin-top: 64px;
-  margin-left: 39px;
   width: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
 }
 
 /* Loading state styles */
@@ -296,6 +328,15 @@ function fetchChampionData() {
   background-color: #45a049;
 }
 
+/* Champion header layout */
+.champion-header {
+  display: flex;
+  align-items: center;
+  margin: auto;
+  width: fit-content;
+  gap: 40px;
+}
+
 @media only screen and (max-width: 650px) {
   #champion-content {
     margin: auto;
@@ -304,7 +345,18 @@ function fetchChampionData() {
   #champion-title {
     margin: auto;
   }
+
+  .champion-header {
+    flex-direction: column;
+    gap: 20px;
+  }
+
+  .layout-selector {
+    flex-wrap: wrap;
+    justify-content: center;
+  }
 }
+
 @media only screen and (max-width: 1200px) {
   #alias-content-wrapper {
     flex-direction: column;

frontend/pages/tierlist/[lane].vue

@@ -4,9 +4,7 @@ import { LANE_IMAGES, lanePositionToIndex, POSITIONS_STR } from '~/utils/cdragon
 const route = useRoute()
 const lane = route.params.lane as string
 
-const { data: championsData }: ChampionsResponse = await useFetch(
-  CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
-)
+const { data: championsData }: ChampionsResponse = await useFetch('/api/cdragon/champion-summary')
 
 const { data: championsLanes }: { data: Ref<Array<ChampionData>> } =
   await useFetch('/api/champions')

frontend/server/api/cdragon/champion-summary.ts

@@ -0,0 +1,14 @@
+import { getChampionSummary } from '~/server/utils/cdragon-cache'
+
+export default defineEventHandler(async () => {
+  try {
+    const championSummary = await getChampionSummary()
+    return championSummary
+  } catch (error) {
+    console.error('Error fetching champion summary:', error)
+    throw createError({
+      statusCode: 500,
+      statusMessage: 'Failed to fetch champion summary'
+    })
+  }
+})

frontend/server/api/cdragon/items.ts

@@ -0,0 +1,14 @@
+import { getItems } from '~/server/utils/cdragon-cache'
+
+export default defineEventHandler(async () => {
+  try {
+    const items = await getItems()
+    return items
+  } catch (error) {
+    console.error('Error fetching items:', error)
+    throw createError({
+      statusCode: 500,
+      statusMessage: 'Failed to fetch items'
+    })
+  }
+})

frontend/server/api/cdragon/perks.ts

@@ -0,0 +1,14 @@
+import { getPerks } from '~/server/utils/cdragon-cache'
+
+export default defineEventHandler(async () => {
+  try {
+    const perks = await getPerks()
+    return perks
+  } catch (error) {
+    console.error('Error fetching perks:', error)
+    throw createError({
+      statusCode: 500,
+      statusMessage: 'Failed to fetch perks'
+    })
+  }
+})

frontend/server/api/cdragon/perkstyles.ts

@@ -0,0 +1,14 @@
+import { getPerkStyles } from '~/server/utils/cdragon-cache'
+
+export default defineEventHandler(async () => {
+  try {
+    const perkStyles = await getPerkStyles()
+    return perkStyles
+  } catch (error) {
+    console.error('Error fetching perk styles:', error)
+    throw createError({
+      statusCode: 500,
+      statusMessage: 'Failed to fetch perk styles'
+    })
+  }
+})

frontend/server/api/cdragon/summoner-spells.ts

@@ -0,0 +1,14 @@
+import { getSummonerSpells } from '~/server/utils/cdragon-cache'
+
+export default defineEventHandler(async () => {
+  try {
+    const summonerSpells = await getSummonerSpells()
+    return summonerSpells
+  } catch (error) {
+    console.error('Error fetching summoner spells:', error)
+    throw createError({
+      statusCode: 500,
+      statusMessage: 'Failed to fetch summoner spells'
+    })
+  }
+})

frontend/server/api/routemap.ts

@@ -1,11 +1,7 @@
-import { CDRAGON_BASE } from '~/utils/cdragon'
+import { getChampionSummary } from '~/server/utils/cdragon-cache'
 
 async function championRoutes() {
-  const championsData: Array<Champion> = await (
-    await fetch(
-      CDRAGON_BASE + 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
-    )
-  ).json()
+  const championsData = await getChampionSummary()
 
   const routes: Array<string> = []
   for (const champion of championsData) {

frontend/server/utils/cdragon-cache.ts

@@ -0,0 +1,205 @@
+import { readFile, existsSync } from 'fs'
+import { join } from 'path'
+import { promisify } from 'util'
+
+const readFileAsync = promisify(readFile)
+
+// CDragon base URL for fallback
+const CDRAGON_BASE = 'https://raw.communitydragon.org/'
+
+// Cache directory - can be configured via environment variable
+// Default to dev/cdragon for development
+const getCacheDir = () => {
+  if (process.env.CDRAGON_CACHE_DIR) {
+    return process.env.CDRAGON_CACHE_DIR
+  }
+  // Default to dev/cdragon relative to project root
+  return join(process.cwd(), '..', 'dev', 'data', 'cdragon')
+}
+
+/**
+ * Get the current patch from the patch.txt file or fallback to 'latest'
+ * Converts patch format for CDragon: "16.4.1" -> "16.4"
+ */
+async function getCurrentPatch(): Promise<string> {
+  const cacheDir = getCacheDir()
+  const patchFile = join(cacheDir, 'latest', 'patch.txt')
+
+  if (existsSync(patchFile)) {
+    const patch = await readFileAsync(patchFile, 'utf-8')
+    const trimmedPatch = patch.trim()
+    // Convert patch format for CDragon: "16.4.1" -> "16.4"
+    return trimmedPatch.split('.').slice(0, 2).join('.')
+  }
+
+  // Fallback to 'latest' if no patch file exists
+  return 'latest'
+}
+
+/**
+ * Cached CDragon data types
+ */
+interface CDragonCacheOptions {
+  patch?: string
+}
+
+/**
+ * Fetch data from local cache with CDragon fallback
+ */
+async function fetchFromCache<T>(
+  assetName: string,
+  cdragonPath: string,
+  options?: CDragonCacheOptions
+): Promise<T> {
+  const cacheDir = getCacheDir()
+  const patch = options?.patch || (await getCurrentPatch())
+  const cachePath = join(cacheDir, patch, assetName)
+
+  // Try to read from cache first
+  if (existsSync(cachePath)) {
+    try {
+      const data = await readFileAsync(cachePath, 'utf-8')
+      return JSON.parse(data) as T
+    } catch (error) {
+      console.error(`Error reading cache file ${cachePath}:`, error)
+    }
+  }
+
+  // Fallback to CDragon
+  console.log(`Cache miss for ${assetName}, fetching from CDragon...`)
+  const url = `${CDRAGON_BASE}${patch}/${cdragonPath}`
+  const response = await fetch(url)
+
+  if (!response.ok) {
+    throw new Error(`Failed to fetch ${assetName} from CDragon: ${response.status}`)
+  }
+
+  return (await response.json()) as T
+}
+
+/**
+ * Get items data from cache
+ */
+async function getItems(patch?: string): Promise<CDragonItem[]> {
+  return fetchFromCache<CDragonItem[]>(
+    'items.json',
+    'plugins/rcp-be-lol-game-data/global/default/v1/items.json',
+    { patch }
+  )
+}
+
+/**
+ * Get perks (runes) data from cache
+ */
+async function getPerks(patch?: string): Promise<CDragonPerk[]> {
+  return fetchFromCache<CDragonPerk[]>(
+    'perks.json',
+    'plugins/rcp-be-lol-game-data/global/default/v1/perks.json',
+    { patch }
+  )
+}
+
+/**
+ * Get perk styles data from cache
+ */
+async function getPerkStyles(patch?: string): Promise<CDragonPerkStyles> {
+  return fetchFromCache<CDragonPerkStyles>(
+    'perkstyles.json',
+    'plugins/rcp-be-lol-game-data/global/default/v1/perkstyles.json',
+    { patch }
+  )
+}
+
+/**
+ * Get summoner spells data from cache
+ */
+async function getSummonerSpells(patch?: string): Promise<CDragonSummonerSpell[]> {
+  return fetchFromCache<CDragonSummonerSpell[]>(
+    'summoner-spells.json',
+    'plugins/rcp-be-lol-game-data/global/default/v1/summoner-spells.json',
+    { patch }
+  )
+}
+
+/**
+ * Get champion summary data from cache
+ */
+async function getChampionSummary(patch?: string): Promise<CDragonChampionSummary[]> {
+  return fetchFromCache<CDragonChampionSummary[]>(
+    'champion-summary.json',
+    'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json',
+    { patch }
+  )
+}
+
+// Type definitions for CDragon data
+interface CDragonItem {
+  id: number
+  name: string
+  iconPath: string
+  description?: string
+  plaintext?: string
+  into?: number[]
+  from?: number[]
+  gold?: {
+    base: number
+    total: number
+    sell: number
+  }
+}
+
+interface CDragonPerk {
+  id: number
+  name: string
+  iconPath: string
+  shortDesc?: string
+  longDesc?: string
+}
+
+interface CDragonPerkStyle {
+  id: number
+  name: string
+  iconPath: string
+  slots: Array<{
+    type: string
+    perks: number[]
+  }>
+}
+
+interface CDragonPerkStyles {
+  styles: CDragonPerkStyle[]
+}
+
+interface CDragonSummonerSpell {
+  id: number
+  name: string
+  iconPath: string
+  description?: string
+}
+
+interface CDragonChampionSummary {
+  id: number
+  name: string
+  alias: string
+  squarePortraitPath: string
+  roles?: string[]
+}
+
+export {
+  getItems,
+  getPerks,
+  getPerkStyles,
+  getSummonerSpells,
+  getChampionSummary,
+  getCurrentPatch,
+  CDRAGON_BASE
+}
+
+export type {
+  CDragonItem,
+  CDragonPerk,
+  CDragonPerkStyle,
+  CDragonPerkStyles,
+  CDragonSummonerSpell,
+  CDragonChampionSummary
+}

frontend/types/api.ts

@@ -9,17 +9,25 @@ declare global {
   }
 
   /**
-   * Represents champion build information
+   * Represents a complete build with runes and items
    */
-  interface Builds {
-    start: Array<{ count: number; data: number }>
-    tree: ItemTree
+  interface Build {
+    runeKeystone: number
+    runes: Rune[]
+    items: ItemTree
     bootsFirst: number
+    count: number
     boots: Array<{ count: number; data: number }>
-    lateGame: Array<{ count: number; data: number }>
-    suppItems?: Array<{ count: number; data: number }>
+    suppItems: Array<{ count: number; data: number }>
+    startItems: Array<{ count: number; data: number }>
+    pickrate: number
   }
 
+  /**
+   * Represents champion build information (array of builds)
+   */
+  type Builds = Array<Build>
+
   /**
    * Represents a rune configuration
    */
@@ -52,8 +60,8 @@ declare global {
     losingMatches: number
     winrate: number
     pickrate: number
-    runes?: Rune[]
     builds?: Builds
+    summonerSpells: Array<{ id: number; count: number; pickrate: number }>
     matchups?: MatchupData[]
   }
 

frontend/types/cdragon.ts

@@ -21,6 +21,19 @@ declare global {
   }
   type Item = {
     id: number
+    iconPath: string
+    name?: string
+    description?: string
+    plaintext?: string
+    into?: number[]
+    from?: number[]
+    price?: number
+    priceTotal?: number
+  }
+  type SummonerSpell = {
+    id: number
+    iconPath: string
+    name: string
   }
   type PerksResponse = {
     data: Ref<Array<Perk>>

frontend/utils/buildHelpers.ts

@@ -0,0 +1,89 @@
+/**
+ * Gets all late game items from the item tree (items beyond first level)
+ * Returns a flat array of unique items with their counts
+ */
+export function getLateGameItems(build: Build): Array<{ data: number; count: number }> {
+  const lateGameItems: Array<{ data: number; count: number }> = []
+  const itemCounts = new Map<number, number>()
+
+  // Collect late items
+  function collectLateItems(tree: ItemTree, depth: number = 0): void {
+    if (depth >= 3 && tree.data !== undefined && tree.count > 0) {
+      const existing = itemCounts.get(tree.data) || 0
+      itemCounts.set(tree.data, existing + tree.count)
+    }
+
+    for (const child of tree.children) {
+      collectLateItems(child, depth + 1)
+    }
+  }
+
+  collectLateItems(build.items)
+
+  // Convert map to array
+  for (const [data, count] of itemCounts.entries()) {
+    lateGameItems.push({ data, count })
+  }
+
+  lateGameItems.sort((a, b) => b.count - a.count)
+
+  console.log(lateGameItems)
+
+  // Sort by count descending
+  return lateGameItems.filter(item => !treeToArray(getCoreItems(build)).includes(item.data))
+}
+
+function treeToArray(tree: ItemTree): Array<number> {
+  const arr: Array<number> = []
+
+  if (tree.data != null) arr.push(tree.data)
+
+  for (const child of tree.children) arr.push(...treeToArray(child))
+
+  return arr
+}
+
+/**
+ * Creates a deep copy of an ItemTree trimmed to a maximum depth
+ * @param tree - The item tree to copy and trim
+ * @param maxDepth - The maximum depth to keep (inclusive)
+ * @param currentDepth - The current depth during recursion
+ * @returns A new ItemTree with children trimmed beyond maxDepth
+ */
+function trimTreeDepth(tree: ItemTree, maxDepth: number, currentDepth: number = 0): ItemTree {
+  const trimmedTree: ItemTree = {
+    count: tree.count,
+    data: tree.data,
+    children: []
+  }
+
+  // If we haven't reached maxDepth, include children
+  if (currentDepth < maxDepth) {
+    for (const child of tree.children || []) {
+      trimmedTree.children.push(trimTreeDepth(child, maxDepth, currentDepth + 1))
+    }
+  }
+
+  return trimmedTree
+}
+
+function trimTreeChildrensAtDepth(tree: ItemTree, maxChildren: number, depth: number) {
+  if (depth == 0) {
+    if (tree.children.length > maxChildren) {
+      tree.children.splice(maxChildren, tree.children.length - maxChildren)
+    }
+    return
+  }
+
+  for (const c of tree.children) {
+    trimTreeChildrensAtDepth(c, maxChildren, depth - 1)
+  }
+}
+
+export function getCoreItems(build: Build): ItemTree {
+  const tree = trimTreeDepth(build.items, 3)
+  trimTreeChildrensAtDepth(tree, 1, 0)
+  trimTreeChildrensAtDepth(tree, 1, 1)
+  trimTreeChildrensAtDepth(tree, 3, 2)
+  return tree
+}

match_collector/champion_stat.ts

@@ -7,7 +7,15 @@ function sameArrays(array1: Array<number>, array2: Array<number>) {
 }
 
 import { MongoClient } from 'mongodb'
-import { ItemTree, treeInit, treeMerge, treeCutBranches, treeSort } from './item_tree'
+import {
+  ItemTree,
+  treeInit,
+  treeMerge,
+  treeCutBranches,
+  treeSort,
+  treeMergeTree,
+  areTreeSimilars
+} from './item_tree'
 const itemDict = new Map()
 
 async function itemList() {
@@ -41,14 +49,32 @@ type Rune = {
   selections: Array<number>
   pickrate?: number
 }
-type Builds = {
-  tree: ItemTree
-  start: Array<{ data: number; count: number }>
-  bootsFirst: number
+type Build = {
+  runeKeystone: number
+  runes: Array<Rune>
+  items: ItemTree
+  bootsFirstCount: number
+  bootsFirst?: number
+  count: number
+  suppItems: Array<{ data: number; count: number }>
   boots: Array<{ data: number; count: number }>
-  lateGame: Array<{ data: number; count: number }>
-  suppItems?: Array<{ data: number; count: number }>
+  pickrate?: number
 }
+
+type BuildWithStartItems = {
+  runeKeystone: number
+  runes: Array<Rune>
+  items: ItemTree
+  bootsFirst?: number
+  bootsFirstCount: number
+  count: number
+  startItems: Array<{ data: number; count: number }>
+  suppItems: Array<{ data: number; count: number }>
+  boots: Array<{ data: number; count: number }>
+  pickrate?: number
+}
+
+type Builds = Build[]
 type Champion = {
   id: number
   name: string
@@ -69,9 +95,9 @@ type LaneData = {
   losingMatches: number
   winrate: number
   pickrate: number
-  runes: Array<Rune>
   builds: Builds
   matchups?: Array<MatchupData>
+  summonerSpells: Array<{ id: number; count: number; pickrate?: number }>
 }
 type ChampionData = {
   champion: Champion
@@ -80,8 +106,9 @@ type ChampionData = {
   lanes: Array<LaneData>
 }
 
+// Helper function to create rune configuration from participant
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-function handleParticipantRunes(participant: any, runes: Array<Rune>) {
+function createRuneConfiguration(participant: any): Rune {
   const primaryStyle = participant.perks.styles[0].style
   const secondaryStyle = participant.perks.styles[1].style
   const selections: Array<number> = []
@@ -90,28 +117,56 @@ function handleParticipantRunes(participant: any, runes: Array<Rune>) {
       selections.push(perk.perk)
     }
   }
-  const gameRunes: Rune = {
-    count: 1,
+  return {
+    count: 0, // Will be incremented when added to build
     primaryStyle: primaryStyle,
     secondaryStyle: secondaryStyle,
     selections: selections
   }
-  let addRunes = true
-  for (const rune of runes) {
-    if (
-      rune.primaryStyle == gameRunes.primaryStyle &&
-      rune.secondaryStyle == gameRunes.secondaryStyle &&
-      sameArrays(rune.selections, gameRunes.selections)
-    ) {
-      rune.count++
-      addRunes = false
-      break
-    }
-  }
-  if (addRunes) runes.push(gameRunes)
 }
 
-function handleMatchItems(
+// Find or create a build for the given rune keystone
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function findOrCreateBuild(builds: Builds, participant: any): Build {
+  const keystone = participant.perks.styles[0].selections[0].perk
+  const runeConfig = createRuneConfiguration(participant)
+
+  // Try to find existing build with matching keystone
+  const existingBuild = builds.find(
+    build =>
+      build.runes[0].primaryStyle === runeConfig.primaryStyle && build.runeKeystone === keystone
+  )
+
+  if (existingBuild) {
+    // Check if this rune configuration already exists in the build
+    const existingRune = existingBuild.runes.find(rune =>
+      sameArrays(rune.selections, runeConfig.selections)
+    )
+
+    if (existingRune) {
+      existingRune.count++
+    } else {
+      existingBuild.runes.push({ ...runeConfig, count: 1 })
+    }
+
+    return existingBuild
+  }
+
+  // Create new build for this keystone
+  const newBuild: Build = {
+    runeKeystone: keystone,
+    runes: [{ ...runeConfig, count: 1 }],
+    items: treeInit(),
+    bootsFirstCount: 0,
+    count: 0,
+    suppItems: [],
+    boots: []
+  }
+  builds.push(newBuild)
+  return newBuild
+}
+
+function handleMatchBuilds(
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   timeline: any,
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -119,6 +174,10 @@ function handleMatchItems(
   participantIndex: number,
   builds: Builds
 ) {
+  // Find or create the build for this participant's rune configuration
+  const build = findOrCreateBuild(builds, participant)
+  build.count += 1
+
   const items: Array<number> = []
   for (const frame of timeline.info.frames) {
     for (const event of frame.events) {
@@ -145,8 +204,8 @@ function handleMatchItems(
               x == participant.item6
           )
           if (suppItem != undefined) {
-            const already = builds.suppItems.find(x => x.data == suppItem)
-            if (already == undefined) builds.suppItems.push({ count: 1, data: suppItem })
+            const already = build.suppItems.find(x => x.data == suppItem)
+            if (already == undefined) build.suppItems.push({ count: 1, data: suppItem })
             else already.count += 1
           }
         }
@@ -166,12 +225,12 @@ function handleMatchItems(
         if (itemInfo.to.length == 0 || (itemInfo.to[0] >= 3171 && itemInfo.to[0] <= 3176)) {
           // Check for bootsFirst
           if (items.length < 2) {
-            builds.bootsFirst += 1
+            build.bootsFirstCount += 1
           }
 
-          // Add to boots
-          const already = builds.boots.find(x => x.data == event.itemId)
-          if (already == undefined) builds.boots.push({ count: 1, data: event.itemId })
+          // Add to boots array
+          const already = build.boots.find(x => x.data == event.itemId)
+          if (already == undefined) build.boots.push({ count: 1, data: event.itemId })
           else already.count += 1
         }
 
@@ -188,28 +247,18 @@ function handleMatchItems(
       // Ignore Cull as not-first item
       if (event.itemId == 1083 && items.length >= 1) continue
 
-      // Ignore non-final items, except when first item bought
-      if (itemInfo.to.length != 0 && items.length >= 1) continue
+      // Ignore non-final items, except when first item bought or support role
+      if (itemInfo.to.length != 0 && (items.length >= 1 || participant.teamPosition === 'UTILITY'))
+        continue
 
       items.push(event.itemId)
     }
   }
 
-  // Core items
-  treeMerge(builds.tree, items.slice(1, 4))
-
-  // Start items
-  if (items.length >= 1) {
-    const already = builds.start.find(x => x.data == items[0])
-    if (already == undefined) builds.start.push({ count: 1, data: items[0] })
-    else already.count += 1
-  }
-
-  // Late game items
-  for (const item of items.slice(3)) {
-    const already = builds.lateGame.find(x => x.data == item)
-    if (already == undefined) builds.lateGame.push({ count: 1, data: item })
-    else already.count += 1
+  // Merge the full item path into the build's item tree
+  // This tree includes start item as the root, then branching paths
+  if (items.length > 0) {
+    treeMerge(build.items, items)
   }
 }
 
@@ -224,23 +273,15 @@ function handleMatch(match: any, champions: Map<number, ChampionData>) {
     // Lanes
     let lane = champion.lanes.find(x => x.data == participant.teamPosition)
     if (lane == undefined) {
-      const builds: Builds = {
-        tree: treeInit(),
-        start: [],
-        bootsFirst: 0,
-        boots: [],
-        lateGame: [],
-        suppItems: []
-      }
       lane = {
         count: 1,
         data: participant.teamPosition,
-        runes: [],
-        builds: builds,
+        builds: [],
         winningMatches: 0,
         losingMatches: 0,
         winrate: 0,
         pickrate: 0,
+        summonerSpells: [],
         matchups: []
       }
       champion.lanes.push(lane)
@@ -260,6 +301,18 @@ function handleMatch(match: any, champions: Map<number, ChampionData>) {
       lane.losingMatches++
     }
 
+    // Summoner spells
+    let spell1 = lane.summonerSpells.find(x => x.id == participant.summoner1Id)
+    if (spell1 == undefined) {
+      spell1 = { id: participant.summoner1Id, count: 1, pickrate: undefined }
+      lane.summonerSpells.push(spell1)
+    } else spell1.count += 1
+    let spell2 = lane.summonerSpells.find(x => x.id == participant.summoner2Id)
+    if (spell2 == undefined) {
+      spell2 = { id: participant.summoner2Id, count: 1, pickrate: undefined }
+      lane.summonerSpells.push(spell2)
+    } else spell2.count += 1
+
     // Track counter matchups - find opponent in same lane
     const opponentTeam = participant.teamId === 100 ? 200 : 100
     const opponent = match.info.participants.find(
@@ -292,11 +345,8 @@ function handleMatch(match: any, champions: Map<number, ChampionData>) {
       }
     }
 
-    // Runes
-    handleParticipantRunes(participant, lane.runes)
-
-    // Items
-    handleMatchItems(match.timeline, participant, participantIndex, lane.builds)
+    // Items and runes (builds)
+    handleMatchBuilds(match.timeline, participant, participantIndex, lane.builds)
   }
 }
 
@@ -322,50 +372,223 @@ async function handleMatchList(
   return totalMatches
 }
 
+// Split or merge a build/buildtree on starter items
+// If starter items have a rest-of-tree that is too different, we split
+// into two variants.
+// Otherwise, we merge into a ProcessedBuild that has a tree without starters
+function splitMergeOnStarterItem(build: Build, championName: string): BuildWithStartItems[] {
+  if (build.items.children.length > 2) {
+    console.log(
+      `Warning: We have more than 2 starter items for champion ${championName}. Current algorithm won't work.`
+    )
+  }
+
+  if (
+    build.items.children.length <= 1 ||
+    areTreeSimilars(build.items.children[0], build.items.children[1]) >= 0.5
+  ) {
+    const startItems = []
+    let items = build.items.children[0]
+    startItems.push({ data: build.items.children[0].data, count: build.items.children[0].count })
+    build.items.children[0].data = undefined
+    if (build.items.children.length > 1) {
+      startItems.push({ data: build.items.children[1].data, count: build.items.children[1].count })
+      build.items.children[1].data = undefined
+      items = treeMergeTree(build.items.children[0], build.items.children[1])
+    }
+    return [
+      {
+        runeKeystone: build.runeKeystone,
+        runes: build.runes,
+        items,
+        bootsFirstCount: build.bootsFirstCount,
+        count: build.count,
+        startItems,
+        suppItems: build.suppItems,
+        boots: build.boots,
+        pickrate: build.pickrate
+      }
+    ]
+  } else {
+    // Trees are different. We separate into two build variants
+    console.log(`Warning: for champion ${championName}, start item splits build variant.`)
+    const builds = []
+    for (const c of build.items.children) {
+      builds.push({
+        runeKeystone: build.runeKeystone,
+        runes: build.runes,
+        items: c,
+        bootsFirstCount: build.bootsFirstCount,
+        count: c.count,
+        startItems: [{ data: c.data, count: c.count }],
+        suppItems: build.suppItems,
+        boots: build.boots
+      })
+      c.data = undefined
+    }
+    return builds
+  }
+}
+
+// Helper function to merge item counts with same data
+function mergeItemCounts(
+  builds: BuildWithStartItems[],
+  itemsGetter: (build: BuildWithStartItems) => Array<{ data: number; count: number }>
+): Array<{ data: number; count: number }> {
+  const countsMap = new Map<number, number>()
+
+  for (const build of builds) {
+    const items = itemsGetter(build)
+    if (!items) continue
+
+    for (const item of items) {
+      const existing = countsMap.get(item.data)
+      if (existing !== undefined) {
+        countsMap.set(item.data, existing + item.count)
+      } else {
+        countsMap.set(item.data, item.count)
+      }
+    }
+  }
+
+  return Array.from(countsMap.entries()).map(([data, count]) => ({ data, count }))
+}
+
+// Merge different builds that have the same items (item trees similar) but different
+// runes (primary style and keystones)
+function mergeBuildsForRunes(builds: BuildWithStartItems[]): BuildWithStartItems[] {
+  const merged: BuildWithStartItems[] = []
+  const processed = new Set<number>()
+  const sortedBuilds = [...builds].sort((a, b) => b.count - a.count)
+
+  for (let i = 0; i < sortedBuilds.length; i++) {
+    if (processed.has(i)) continue
+
+    const currentBuild = sortedBuilds[i]
+    processed.add(i)
+
+    // Find all builds with similar item trees
+    const similarBuildsIndices: number[] = []
+    for (let j = i + 1; j < sortedBuilds.length; j++) {
+      if (processed.has(j)) continue
+
+      const otherBuild = sortedBuilds[j]
+      if (areTreeSimilars(currentBuild.items, otherBuild.items) >= 0.5) {
+        similarBuildsIndices.push(j)
+        processed.add(j)
+      }
+    }
+
+    // If no similar builds found, just add the current build as-is
+    if (similarBuildsIndices.length === 0) {
+      merged.push(currentBuild)
+      continue
+    }
+
+    // Merge all similar builds
+    const allSimilarBuilds = [currentBuild, ...similarBuildsIndices.map(idx => sortedBuilds[idx])]
+    const totalCount = allSimilarBuilds.reduce((sum, b) => sum + b.count, 0)
+
+    // Merge runes - combine all unique rune configurations
+    const runesMap = new Map<string, Rune>()
+    for (const build of allSimilarBuilds) {
+      for (const rune of build.runes) {
+        const key = `${rune.primaryStyle}-${rune.selections.join('-')}`
+        const existing = runesMap.get(key)
+        if (existing) {
+          existing.count += rune.count
+        } else {
+          runesMap.set(key, { ...rune })
+        }
+      }
+    }
+
+    const runes = Array.from(runesMap.values())
+    runes.sort((a, b) => b.count - a.count)
+
+    merged.push({
+      runeKeystone: runes[0].selections[0],
+      runes: runes,
+      items: currentBuild.items,
+      bootsFirstCount: allSimilarBuilds.reduce((sum, b) => sum + b.bootsFirstCount, 0),
+      count: totalCount,
+      startItems: mergeItemCounts(allSimilarBuilds, b => b.startItems),
+      suppItems: mergeItemCounts(allSimilarBuilds, b => b.suppItems),
+      boots: mergeItemCounts(allSimilarBuilds, b => b.boots)
+    })
+  }
+
+  return merged
+}
+
+function cleanupLaneBuilds(lane: LaneData) {
+  // Filter builds to remove variants that are not played enough
+  lane.builds = lane.builds.filter(build => build.count / lane.count >= 0.05)
+
+  const builds = lane.builds
+
+  // Sort builds by count
+  builds.sort((a, b) => b.count - a.count)
+
+  // For each build: prune item tree, clean up boots, calculate percentages
+  for (const build of builds) {
+    // Cut item tree branches to keep only 4 branches every time and with percentage threshold
+    build.items.count = build.count
+    treeCutBranches(build.items, 4, 0.05)
+    treeSort(build.items)
+
+    // Remove boots that are not within percentage threshold
+    arrayRemovePercentage(build.boots, build.count, 0.05)
+    build.boots.sort((a, b) => b.count - a.count)
+
+    // Remove support items that are not within percentage threshold
+    arrayRemovePercentage(build.suppItems, build.count, 0.05)
+    build.suppItems.sort((a, b) => b.count - a.count)
+
+    // Calculate bootsFirst percentage
+    build.bootsFirst = build.bootsFirstCount / build.count
+
+    // Compute runes pickrate, and filter out to keep only top 3
+    build.runes.forEach(rune => (rune.pickrate = rune.count / build.count))
+    build.runes.sort((a, b) => b.count - a.count)
+    if (build.runes.length > 3) build.runes.splice(3, build.runes.length - 3)
+
+    build.pickrate = build.count / lane.count
+  }
+}
+
 async function finalizeChampionStats(champion: ChampionData, totalMatches: number) {
   const totalChampionMatches = champion.winningMatches + champion.losingMatches
 
   arrayRemovePercentage(champion.lanes, totalChampionMatches, 0.2)
   champion.lanes.sort((a, b) => b.count - a.count)
 
-  // Filter runes to keep 3 most played
   for (const lane of champion.lanes) {
-    const runes = lane.runes
+    // Summoner spells
+    lane.summonerSpells.forEach(x => (x.pickrate = x.count / lane.count))
+    lane.summonerSpells.sort((a, b) => b.count - a.count)
+    lane.summonerSpells = lane.summonerSpells.filter(x => x.pickrate >= 0.05)
 
-    runes.sort((a, b) => b.count - a.count)
-    if (runes.length > 3) runes.splice(3, runes.length - 3)
-    // Compute runes pickrate
-    for (const rune of runes) rune.pickrate = rune.count / lane.count
-  }
+    // Cleaning up builds
+    cleanupLaneBuilds(lane)
 
-  for (const lane of champion.lanes) {
-    const builds = lane.builds
+    // Now, second stage: clustering and de-clustering
+    // First, we split the builds on starter items, to obtain a BuildWithStartItems.
+    if (lane.data != 'UTILITY') {
+      const newBuilds: BuildWithStartItems[] = []
+      for (const build of lane.builds) {
+        newBuilds.push(...splitMergeOnStarterItem(build, champion.champion.name))
+      }
+      lane.builds = newBuilds
+      cleanupLaneBuilds(lane)
+    }
 
-    // Cut item tree branches to keep only 4 branches every time and with percentage threshold
-    builds.tree.count = lane.count
-    treeCutBranches(builds.tree, 4, 0.05)
-    treeSort(builds.tree)
-
-    // Cut item start, to only 4 and with percentage threshold
-    arrayRemovePercentage(builds.start, lane.count, 0.05)
-    builds.start.sort((a, b) => b.count - a.count)
-    if (builds.start.length > 4) builds.start.splice(4, builds.start.length - 4)
-
-    // Remove boots that are not within percentage threshold
-    arrayRemovePercentage(builds.boots, lane.count, 0.05)
-    builds.boots.sort((a, b) => b.count - a.count)
-
-    builds.bootsFirst /= lane.count
-
-    // Cut supp items below 2 and percentage threshold
-    arrayRemovePercentage(builds.suppItems, lane.count, 0.05)
-    builds.suppItems.sort((a, b) => b.count - a.count)
-    if (builds.suppItems.length > 2) builds.suppItems.splice(2, builds.suppItems.length - 2)
-
-    // Delete supp items if empty
-    if (builds.suppItems.length == 0) delete builds.suppItems
-
-    builds.lateGame.sort((a, b) => b.count - a.count)
+    // Finally, we merge the builds that are similar but have different keystones.
+    // Now that we split everything that needed to be split, we are sure that we don't need
+    // to have the data per-keystone. We can just merge them back, as it was the same build
+    // all along.
+    lane.builds = mergeBuildsForRunes(lane.builds as BuildWithStartItems[])
+    cleanupLaneBuilds(lane)
   }
 
   for (const lane of champion.lanes) {

match_collector/item_tree.ts

@@ -81,4 +81,97 @@ function treeSort(itemtree: ItemTree) {
   }
 }
 
-export { ItemTree, treeMerge, treeInit, treeCutBranches, treeSort }
+/*
+ * Deep clone an ItemTree
+ */
+function treeClone(tree: ItemTree): ItemTree {
+  return {
+    data: tree.data,
+    count: tree.count,
+    children: tree.children.map(child => treeClone(child))
+  }
+}
+
+/*
+ * Merge two ItemTrees into one
+ */
+function treeMergeTree(t1: ItemTree, t2: ItemTree): ItemTree {
+  // Merge counts for the root
+  t1.count += t2.count
+
+  // Merge children from t2 into t1
+  for (const child2 of t2.children) {
+    // Find matching child in t1 (same data value)
+    const matchingChild = t1.children.find(child1 => child1.data === child2.data)
+
+    if (matchingChild) {
+      // Recursively merge matching children
+      treeMergeTree(matchingChild, child2)
+    } else {
+      // Add a deep copy of child2 to t1
+      t1.children.push(treeClone(child2))
+    }
+  }
+
+  return t1
+}
+
+/*
+ * Flatten an ItemTree into a Set of item numbers
+ */
+function treeToSet(itemtree: ItemTree): Set<number> {
+  const items: Set<number> = new Set()
+
+  function traverse(node: ItemTree) {
+    if (node.data !== undefined) {
+      items.add(node.data)
+    }
+    for (const child of node.children) {
+      traverse(child)
+    }
+  }
+
+  traverse(itemtree)
+  return items
+}
+
+/*
+ * Calculate similarity between two trees as item sets.
+ * Returns a number between 0 and 1, where 1 means identical and 0 means completely different.
+ * Uses Jaccard similarity: |A ∩ B| / |A ∪ B|
+ * Sets included in one another will have similarity close to 1.
+ */
+function areTreeSimilars(t1: ItemTree, t2: ItemTree): number {
+  const set1 = treeToSet(t1)
+  const set2 = treeToSet(t2)
+
+  // Handle empty sets
+  if (set1.size === 0 && set2.size === 0) {
+    return 1.0
+  }
+
+  // Calculate intersection
+  const intersection = new Set<number>()
+  for (const item of Array.from(set1)) {
+    if (set2.has(item)) {
+      intersection.add(item)
+    }
+  }
+
+  // Calculate union
+  const union = new Set<number>()
+  for (const item of Array.from(set1)) {
+    union.add(item)
+  }
+  for (const item of Array.from(set2)) {
+    union.add(item)
+  }
+
+  // Jaccard similarity: |intersection| / |union|
+  const similarity = intersection.size / Math.min(set1.size, set2.size)
+
+  // Ensure result is between 0 and 1
+  return Math.max(0, Math.min(1, similarity))
+}
+
+export { ItemTree, treeMerge, treeInit, treeCutBranches, treeSort, treeMergeTree, areTreeSimilars }

patch_detector/index.ts

@@ -1,16 +1,62 @@
 import { MongoClient } from 'mongodb'
+import { writeFile, mkdir } from 'fs/promises'
+import { existsSync } from 'fs'
+import { join } from 'path'
+
+// CDragon base URL for specific patch
+const CDRAGON_BASE = 'https://raw.communitydragon.org/'
+
+// Assets to cache for each patch
+const CDRAGON_ASSETS = [
+  {
+    name: 'items.json',
+    path: 'plugins/rcp-be-lol-game-data/global/default/v1/items.json'
+  },
+  {
+    name: 'perks.json',
+    path: 'plugins/rcp-be-lol-game-data/global/default/v1/perks.json'
+  },
+  {
+    name: 'perkstyles.json',
+    path: 'plugins/rcp-be-lol-game-data/global/default/v1/perkstyles.json'
+  },
+  {
+    name: 'summoner-spells.json',
+    path: 'plugins/rcp-be-lol-game-data/global/default/v1/summoner-spells.json'
+  },
+  {
+    name: 'champion-summary.json',
+    path: 'plugins/rcp-be-lol-game-data/global/default/v1/champion-summary.json'
+  }
+]
 
 main()
 
 async function main() {
   const client = await connectToDatabase()
+  const dbPatch = await getLatestPatchFromDatabase(client)
+
+  // In dev mode, get patch from database (the one we have match data for)
+  if (process.env.NODE_ENV === 'development') {
+    console.log('Development mode: downloading cache for database patch')
+    await client.close()
+
+    if (dbPatch) {
+      console.log('Latest patch in database: ' + dbPatch)
+      await downloadAssets(dbPatch)
+    } else {
+      console.log('No patch found in database!')
+    }
+    return
+  }
+
+  // Production mode: check database and update if new patch
   const newPatch = await fetchLatestPatch()
-
   console.log('Latest patch is: ' + newPatch)
-
   const newDate = new Date()
+
   if (!(await compareLatestSavedPatch(client, newPatch, newDate))) {
-    downloadAssets()
+    await downloadAssets(newPatch)
   }
 
   await client.close()
@@ -58,4 +104,66 @@ async function compareLatestSavedPatch(client: MongoClient, newPatch: string, ne
   return true
 }
 
-async function downloadAssets() {}
+async function getLatestPatchFromDatabase(client: MongoClient): Promise<string | null> {
+  const database = client.db('patches')
+  const patches = database.collection('patches')
+  const latestPatch = await patches.find().limit(1).sort({ date: -1 }).next()
+
+  if (latestPatch == null) {
+    return null
+  }
+
+  return latestPatch.patch
+}
+
+async function downloadAssets(patch: string) {
+  // Convert patch format for CDragon: "16.4.1" -> "16.4"
+  // CDragon uses patch format without the last minor version
+  const cdragonPatch = patch.split('.').slice(0, 2).join('.')
+  console.log(`Downloading CDragon assets for patch ${cdragonPatch} (from ${patch})...`)
+
+  // Get cache directory from environment or use default
+  const cacheDir = process.env.CDRAGON_CACHE_DIR || '/cdragon'
+  const patchDir = join(cacheDir, cdragonPatch)
+
+  // Create patch directory if it doesn't exist
+  if (!existsSync(patchDir)) {
+    await mkdir(patchDir, { recursive: true })
+    console.log(`Created directory: ${patchDir}`)
+  }
+
+  // Download each asset
+  for (const asset of CDRAGON_ASSETS) {
+    const url = `${CDRAGON_BASE}${cdragonPatch}/${asset.path}`
+    const filePath = join(patchDir, asset.name)
+
+    try {
+      console.log(`Downloading ${asset.name}...`)
+      const response = await fetch(url)
+
+      if (!response.ok) {
+        console.error(`Failed to download ${asset.name}: ${response.status} ${response.statusText}`)
+        continue
+      }
+
+      const data = await response.json()
+      await writeFile(filePath, JSON.stringify(data, null, 2))
+      console.log(`Saved ${asset.name} to ${filePath}`)
+    } catch (error) {
+      console.error(`Error downloading ${asset.name}:`, error)
+    }
+  }
+
+  // Create a symlink or copy to 'latest' directory for easy access
+  const latestDir = join(cacheDir, 'latest')
+  const latestFile = join(latestDir, 'patch.txt')
+
+  if (!existsSync(latestDir)) {
+    await mkdir(latestDir, { recursive: true })
+  }
+
+  await writeFile(latestFile, patch)
+  console.log(`Updated latest patch reference to ${patch}`)
+
+  console.log('CDragon assets download complete!')
+}