feat: show rejoin link when bot is already in a fight

- Track active fight IDs per bot in orchestrator (Set → Map)
- Return fightId in "already in fight" error responses (409)
- Frontend shows "REJOIN FIGHT" link instead of generic error

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Dorian
2026-03-09 09:27:48 +00:00
co-authored by Claude Opus 4.6
parent 64273cf145
commit e31d49898b
5 changed files with 49 additions and 21 deletions
+24 -4
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@@ -21,6 +21,7 @@ const step = ref<string>('login')
const isHumanMode = ref(false)
const selectedHumanSeed = ref('baby_fighter_1')
const error = ref('')
const activeFightLink = ref('')
const rateLimitCountdown = ref(0)
let rateLimitTimer: ReturnType<typeof setInterval> | null = null
const isJoining = ref(false)
@@ -105,6 +106,7 @@ const archetypeList = [
function handleError(e: unknown, fallback: string) {
const msg = e instanceof Error ? e.message : fallback
error.value = msg
activeFightLink.value = ''
// Parse "Slow down" with retry seconds from the error message or check for countdown pattern
if (msg.toLowerCase().includes('too many requests') || msg.toLowerCase().includes('slow down')) {
startRateLimitTimer(msg)
@@ -394,8 +396,13 @@ async function fight() {
return // Don't reset flag — navigation will unmount component
} else {
const data = await res.json()
const msg = data.retryAfterSec ? `${data.error} (${data.retryAfterSec}s)` : (data.error || 'Failed to join.')
handleError(new Error(msg), 'Failed to join.')
if (data.fightId) {
activeFightLink.value = data.fightId
error.value = 'You\'re already in a fight!'
} else {
const msg = data.retryAfterSec ? `${data.error} (${data.retryAfterSec}s)` : (data.error || 'Failed to join.')
handleError(new Error(msg), 'Failed to join.')
}
}
} catch {
error.value = 'Network error.'
@@ -443,8 +450,13 @@ async function practice() {
return // Don't reset flag — navigation will unmount component
} else {
const data = await res.json()
const msg = data.retryAfterSec ? `${data.error} (${data.retryAfterSec}s)` : (data.error || 'Failed to start practice fight.')
handleError(new Error(msg), 'Practice fight failed.')
if (data.fightId) {
activeFightLink.value = data.fightId
error.value = 'You\'re already in a fight!'
} else {
const msg = data.retryAfterSec ? `${data.error} (${data.retryAfterSec}s)` : (data.error || 'Failed to start practice fight.')
handleError(new Error(msg), 'Practice fight failed.')
}
}
} catch {
error.value = 'Network error.'
@@ -1144,6 +1156,14 @@ function handleSignOut() {
<!-- Error display -->
<div v-if="error" class="mt-4 p-3 border-2 border-ko/30 bg-ko/5 text-center">
<p class="font-mono text-xs text-ko">{{ error }}</p>
<RouterLink
v-if="activeFightLink"
:to="`/arena/${activeFightLink}`"
class="inline-block mt-2 px-6 py-2 bg-neon-cyan/10 border-2 border-neon-cyan text-neon-cyan
font-display font-black text-xs tracking-widest hover:bg-neon-cyan/20 transition-all neon-border-cyan"
>
REJOIN FIGHT
</RouterLink>
<div v-if="rateLimitCountdown > 0" class="mt-2 flex items-center justify-center gap-2">
<div class="w-4 h-4 border-2 border-neon-purple/60 border-t-neon-purple rounded-full animate-spin" />
<p class="font-display font-bold text-sm text-neon-purple tracking-wider">
+13 -9
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@@ -47,7 +47,8 @@ interface WebhookResponse {
import { MAX_ROUNDS, KO_THRESHOLD, MAX_RESPONSE_BYTES, STARTING_HP, ELO_K_FACTOR, ELO_K_FACTOR_MOCK, MAX_ANSWER_LENGTH, MAX_TRASH_TALK_LENGTH } from '../lib/constants.js'
// Track bots currently in a fight to prevent concurrent fights
const activeFighters = new Set<string>()
// Maps botId → fightId so we can direct users to their active fight
const activeFighters = new Map<string, string>()
export function getActiveFighterCount(): number {
return activeFighters.size
@@ -57,6 +58,10 @@ export function isInFight(botId: string): boolean {
return activeFighters.has(botId)
}
export function getActiveFightId(botId: string): string | undefined {
return activeFighters.get(botId)
}
function emit(fightId: string, type: string, data: Record<string, unknown>) {
fightEvents.emit({
fightId,
@@ -621,13 +626,13 @@ export async function runFight(botAId: string, botBId: string, mode: 'free' | 'r
if (activeFighters.has(botAId)) throw new Error(`Bot ${botAId} is already in a fight`)
if (activeFighters.has(botBId)) throw new Error(`Bot ${botBId} is already in a fight`)
activeFighters.add(botAId)
activeFighters.add(botBId)
const [botA, botB] = await loadBots(botAId, botBId)
const arena = randomArena()
const fightId = await createFightRecord(botA, botB, arena, mode)
activeFighters.set(botAId, fightId)
activeFighters.set(botBId, fightId)
try {
const [botA, botB] = await loadBots(botAId, botBId)
const arena = randomArena()
const fightId = await createFightRecord(botA, botB, arena, mode)
await executeFightRounds(fightId, botA, botB, arena, mode)
return fightId
} finally {
@@ -644,12 +649,11 @@ export async function runFightAsync(botAId: string, botBId: string, mode: 'free'
if (activeFighters.has(botAId)) throw new Error(`Bot ${botAId} is already in a fight`)
if (activeFighters.has(botBId)) throw new Error(`Bot ${botBId} is already in a fight`)
activeFighters.add(botAId)
activeFighters.add(botBId)
const [botA, botB] = await loadBots(botAId, botBId)
const arena = randomArena()
const fightId = await createFightRecord(botA, botB, arena, mode)
activeFighters.set(botAId, fightId)
activeFighters.set(botBId, fightId)
executeFightRounds(fightId, botA, botB, arena, mode)
.catch(err => {
+6 -3
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@@ -1,7 +1,7 @@
import { db, schema } from '../db/index.js'
import { logger } from '../lib/logger.js'
import { eq } from 'drizzle-orm'
import { runFightAsync, isInFight } from './orchestrator.js'
import { runFightAsync, isInFight, getActiveFightId } from './orchestrator.js'
import { seedMockBots } from './mock.js'
interface QueueEntry {
@@ -55,9 +55,12 @@ export async function joinQueue(botId: string): Promise<string> {
throw new Error(`Cooldown active. Wait ${waitSec}s.`)
}
// Check if already in a fight
// Check if already in a fight — return the fight ID so frontend can redirect
if (isInFight(botId)) {
throw new Error('Bot is already in a fight.')
const activeFightId = getActiveFightId(botId)
const err = new Error('Bot is already in a fight.')
;(err as any).fightId = activeFightId
throw err
}
// Load bot
+3 -3
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@@ -7,7 +7,7 @@ import { eq, desc, inArray } from 'drizzle-orm'
import { ARENAS } from '../engine/arenas.js'
import { runMockFight, isClassicBot } from '../engine/mock.js'
import { startFightLoop } from '../engine/fight-loop.js'
import { runFight, runFightAsync, isInFight } from '../engine/orchestrator.js'
import { runFight, runFightAsync, isInFight, getActiveFightId } from '../engine/orchestrator.js'
import { fightEvents } from '../engine/events.js'
import { botRateLimit } from '../middleware/rate-limit.js'
import { getPendingChallenge, getPendingAnswers, submitHumanResponse } from '../engine/human-responses.js'
@@ -233,7 +233,7 @@ fightsRouter.post('/matchmake/:botId', botRateLimit(10_000), async (c) => {
}
if (isInFight(botId)) {
return c.json({ error: 'Bot is already in a fight.' }, 400)
return c.json({ error: 'Bot is already in a fight.', fightId: getActiveFightId(botId) }, 409)
}
const allBots = await db.select()
@@ -285,7 +285,7 @@ fightsRouter.post('/practice/:botId', botRateLimit(10_000), async (c) => {
const bot = botRows[0]
if (isInFight(botId)) {
return c.json({ error: 'Bot is already in a fight.' }, 400)
return c.json({ error: 'Bot is already in a fight.', fightId: getActiveFightId(botId) }, 409)
}
// Find all classic bots
+3 -2
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@@ -31,9 +31,10 @@ queueRouter.post('/join/:botId', async (c) => {
try {
const fightId = await joinQueue(botId)
return c.json({ fightId, message: 'Matched! Fight starting.' })
} catch (err) {
} catch (err: any) {
const message = err instanceof Error ? err.message : 'Queue error'
return c.json({ error: message }, 500)
const status = message.includes('already in a fight') ? 409 : 500
return c.json({ error: message, fightId: err?.fightId || undefined }, status)
}
})