MoerAI
3055454ecc
Adds a configurable maxToolCalls limit (default: 200) that automatically cancels background tasks when they exceed the threshold. This prevents runaway subagent loops from burning unlimited tokens, as reported in #2571 where a Gemini subagent ran 809 consecutive tool calls over 3.5 hours costing ~$350. The circuit breaker triggers in the existing tool call tracking path (message.part.updated/delta events) and cancels the task with a clear error message explaining what happened. The limit is configurable via background_task.maxToolCalls in oh-my-opencode.jsonc. Fixes #2571
19 lines
1.1 KiB
TypeScript
19 lines
1.1 KiB
TypeScript
import { z } from "zod"
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export const BackgroundTaskConfigSchema = z.object({
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defaultConcurrency: z.number().min(1).optional(),
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providerConcurrency: z.record(z.string(), z.number().min(0)).optional(),
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modelConcurrency: z.record(z.string(), z.number().min(0)).optional(),
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maxDepth: z.number().int().min(1).optional(),
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maxDescendants: z.number().int().min(1).optional(),
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/** Stale timeout in milliseconds - interrupt tasks with no activity for this duration (default: 180000 = 3 minutes, minimum: 60000 = 1 minute) */
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staleTimeoutMs: z.number().min(60000).optional(),
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/** Timeout for tasks that never received any progress update, falling back to startedAt (default: 1800000 = 30 minutes, minimum: 60000 = 1 minute) */
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messageStalenessTimeoutMs: z.number().min(60000).optional(),
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syncPollTimeoutMs: z.number().min(60000).optional(),
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/** Maximum tool calls per subagent task before circuit breaker triggers (default: 200, minimum: 10). Prevents runaway loops from burning unlimited tokens. */
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maxToolCalls: z.number().int().min(10).optional(),
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})
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export type BackgroundTaskConfig = z.infer<typeof BackgroundTaskConfigSchema>
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