{"record":{"id":"b6100a91c6d5afa7","repo":"deepseek-ai/deepseek-harness","slug":"skills-change-listener-threw-errormessage-error","errorCode":null,"errorMessage":"skills/change listener threw: ${errorMessage(error)}","messagePattern":"skills/change listener threw: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/skill/skill/src/index.ts","lineNumber":657,"sourceCode":"      this.scopeIds.set(key, id)\n    }\n    return id\n  }\n\n  private collectCacheKey(cwd: string | undefined, chain: ScopeKey[], revision: number): string {\n    return JSON.stringify({ cwd, scopes: chain.map(key => this.scopeId(key)), revision })\n  }\n\n  /** Notify catalog observers without making their refresh work load-bearing. */\n  private notifyChange(): void {\n    for (const callback of this.ctx.events.dispatch('emit', ['skills/change'])) {\n      try {\n        const returned: unknown = callback()\n        void Promise.resolve(returned).catch((error: unknown) => {\n          this.ctx.logger.warn(`skills/change listener rejected: ${errorMessage(error)}`)\n        })\n      } catch (error: unknown) {\n        this.ctx.logger.warn(`skills/change listener threw: ${errorMessage(error)}`)\n      }\n    }\n  }\n}\n\nfunction normalizeProviderObservation(output: unknown, providerName: string): SkillProviderObservation {\n  if (Array.isArray(output)) {\n    return { candidates: output as readonly SkillCandidate[], complete: true }\n  }\n  if (output === null || typeof output !== 'object') {\n    throw invalidProviderObservation(providerName)\n  }\n  const observation = output as Partial<SkillProviderObservation>\n  if (!Array.isArray(observation.candidates) || typeof observation.complete !== 'boolean') {\n    throw invalidProviderObservation(providerName)\n  }\n  return observation as SkillProviderObservation\n}","sourceCodeStart":639,"sourceCodeEnd":675,"githubUrl":"https://github.com/deepseek-ai/deepseek-harness/blob/b150a551b8d465e31e418e1b2eaf5e79bbb7d28e/packages/skill/skill/src/index.ts#L639-L675","documentation":"Error \"skills/change listener threw: ${errorMessage(error)}\" thrown in deepseek-ai/deepseek-harness.","triggerScenarios":"Thrown at packages/skill/skill/src/index.ts:657 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Fix the exception in the skills/change listener; wrap risky work in try/catch and reload the catalog."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b150a551b8d465e31e418e1b2eaf5e79bbb7d28e","analyzedAt":"2026-08-24T18:12:29.105Z","schemaVersion":2},"datasetVersion":"2026-08-24T22:17:12.610Z"}