feat: botfights v1 — full fighting game with Kaplay engine

- Vue 3 + Vite + Tailwind 4 frontend with synthwave aesthetic
- Hono backend on port 9100 with SQLite/Drizzle
- Procedural pixel-art sprite generator (48x48, 8 animation states)
- Kaplay fight scene with punch/kick/special/knockback/KO animations
- 12 mock bots across 6 tiers with Elo rating system
- 9 challenge types, 10 fight arenas with modifiers
- Fight replay with staggered battle log and ~1 min timing
- Sprite preview page at /sprites

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/router.ts

@@ -0,0 +1,49 @@
+import { createRouter, createWebHistory } from 'vue-router'
+
+const routes = [
+  {
+    path: '/',
+    name: 'home',
+    component: () => import('./pages/HomePage.vue'),
+  },
+  {
+    path: '/arena',
+    name: 'arena',
+    component: () => import('./pages/ArenaPage.vue'),
+  },
+  {
+    path: '/arena/:fightId',
+    name: 'fight',
+    component: () => import('./pages/FightPage.vue'),
+  },
+  {
+    path: '/leaderboard',
+    name: 'leaderboard',
+    component: () => import('./pages/LeaderboardPage.vue'),
+  },
+  {
+    path: '/bot/:name',
+    name: 'bot-profile',
+    component: () => import('./pages/BotProfilePage.vue'),
+  },
+  {
+    path: '/register',
+    name: 'register',
+    component: () => import('./pages/RegisterPage.vue'),
+  },
+  {
+    path: '/schedule',
+    name: 'schedule',
+    component: () => import('./pages/SchedulePage.vue'),
+  },
+  {
+    path: '/sprites',
+    name: 'sprites',
+    component: () => import('./pages/SpritePreviewPage.vue'),
+  },
+]
+
+export const router = createRouter({
+  history: createWebHistory(),
+  routes,
+})