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>

server/src/db/schema.ts

@@ -0,0 +1,51 @@
+import { sqliteTable, text, integer, real } from 'drizzle-orm/sqlite-core'
+
+export const bots = sqliteTable('bots', {
+  id: text('id').primaryKey(),
+  name: text('name').notNull().unique(),
+  webhookUrl: text('webhook_url').notNull(),
+  avatarSeed: text('avatar_seed').notNull(),
+  secretHash: text('secret_hash').notNull(),
+  publicKey: text('public_key'),
+  eloRating: real('elo_rating').notNull().default(1200),
+  wins: integer('wins').notNull().default(0),
+  losses: integer('losses').notNull().default(0),
+  winStreak: integer('win_streak').notNull().default(0),
+  bestStreak: integer('best_streak').notNull().default(0),
+  tier: integer('tier').notNull().default(0),
+  isActive: integer('is_active', { mode: 'boolean' }).notNull().default(true),
+  createdAt: text('created_at').notNull(),
+})
+
+export const fights = sqliteTable('fights', {
+  id: text('id').primaryKey(),
+  botAId: text('bot_a_id').notNull().references(() => bots.id),
+  botBId: text('bot_b_id').notNull().references(() => bots.id),
+  arena: text('arena').notNull(),
+  status: text('status', { enum: ['scheduled', 'live', 'finished', 'cancelled'] }).notNull().default('scheduled'),
+  winnerId: text('winner_id').references(() => bots.id),
+  botAHp: integer('bot_a_hp').notNull().default(100),
+  botBHp: integer('bot_b_hp').notNull().default(100),
+  totalRounds: integer('total_rounds').notNull().default(0),
+  scheduledAt: text('scheduled_at'),
+  startedAt: text('started_at'),
+  endedAt: text('ended_at'),
+  createdAt: text('created_at').notNull(),
+})
+
+export const rounds = sqliteTable('rounds', {
+  id: text('id').primaryKey(),
+  fightId: text('fight_id').notNull().references(() => fights.id),
+  roundNumber: integer('round_number').notNull(),
+  challengeType: text('challenge_type').notNull(),
+  challengeData: text('challenge_data').notNull(),
+  botAResponse: text('bot_a_response'),
+  botATimeMs: integer('bot_a_time_ms'),
+  botAScore: real('bot_a_score'),
+  botBResponse: text('bot_b_response'),
+  botBTimeMs: integer('bot_b_time_ms'),
+  botBScore: real('bot_b_score'),
+  winnerId: text('winner_id').references(() => bots.id),
+  narration: text('narration'),
+  createdAt: text('created_at').notNull(),
+})