feat: comedy overhaul start, profile page, bot setup docs, auth improvements

Rewrites announcer commentary (HYPE_LINES, DEEP_INTROS, ROUND_HYPE) with
modern edgy humor. Adds BOT_SETUP.md, bot SDK, customization engine,
profile page character display, persistent auth, rate limit tweaks.

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

server/src/db/schema.ts

@@ -19,6 +19,7 @@ export const bots = sqliteTable('bots', {
   lastFightAt: text('last_fight_at'),
   consecutiveErrors: integer('consecutive_errors').notNull().default(0),
   lastErrorAt: text('last_error_at'),
+  customization: text('customization'),
   createdAt: text('created_at').notNull(),
 })