Multiple changes

- backend: add summoner spells
- backend: add build variants
- backend: builds are now storing full tree with runes (keystones)
- backend: build trees are split on starter items and merged on runes
- frontend: computing core tree now
- frontend: variant selectors

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[]
   }