{"repo": "asi-integration/asi-landing", "files": {"src/lib/communication/llm-router/provider.ts": {"6c6af6421aa8ae28857f6fb54011bf59faa1e04a": {"t": 1786067414.9725356, "n": 11046, "h": "ef8ea1f57264f0d0", "c": "import {\n  createChatCompletionsLlmRouterProvider,\n  createDeepSeekLlmRouterProvider,\n} from './deepseek-provider';\nimport { validateLlmRouterDecision } from './validate-llm-router-decision';\nimport type {\n  LlmRouterAttemptAudit,\n  LlmRouterChainResult,\n  LlmRouterDecision,\n  LlmRouterInput,\n  LlmRouterProvider,\n  LlmRouterProviderName,\n} from './types';\n\ntype ProviderRole = 'primary' | 'secondary' | 'premium' | 'fixed';\n\ntype StickyProvider = {\n  provider: LlmRouterProviderName;\n  expiresAt: number;\n  remainingMessages: number;\n};\n\nconst stickyProviders = new Map<string, StickyProvider>();\n\nfunction cleanKeyPart(value: string | undefined): string | undefined {\n  const trimmed = value?.trim();\n  return trimmed ? trimmed.slice(0, 160) : undefined;\n}\n\nfunction stickyProviderKey(input: LlmRouterInput): string | undefined {\n  const bookingId = cleanKeyPart(input.bookingId);\n  if (bookingId) return `booking:${bookingId}`;\n\n  const conversationId = cleanKeyPart(input.conversationId);\n  if (conversationId) return `conversation:${conversationId}`;\n\n  const sessionId = cleanKeyPart(input.sessionId);\n  if (sessionId) return `session:${sessionId}`;\n\n  const chatId = cleanKeyPart(input.chatId);\n  if (chatId) return `chat:${chatId}`;\n\n  return undefined;\n}\n\nexport function createDisabledLlmRouterProvider(): LlmRouterProvider {\n  return {\n    name: 'disabled',\n    modelName: 'disabled',\n    async classifyGuestMessage(_input: LlmRouterInput) {\n      throw new Error('llm_router_disabled');\n    },\n  };\n}\n\nfunction num(value: string | undefined, fallback: number): number {\n  const parsed = Number(value);\n  return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;\n}\n\nfunction nonNegativeNum(value: string | undefined, fallback: number): number {\n  const parsed = Number(value);\n  return Number.isFinite(parsed) && parsed >= 0 ? parsed : fallback;\n}\n\nfunction bool(value: string | undefined, fallback: boolean): boolean {\n  if (value === undefined) return fallback;\n  return value === 'true' || value === '1';\n}\n\nfunction providerFromName(name: LlmRouterProviderName, role: ProviderRole): LlmRouterProvider {\n  if (name === 'deepseek') {\n    const apiKey = process.env.DEEPSEEK_API_KEY;\n    if (!apiKey) return createDisabledLlmRouterProvider();\n    return createDeepSeekLlmRouterProvider({\n      apiKey,\n      baseUrl: process.env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com',\n      model: process.env.DEEPSEEK_MODEL || 'deepseek-v4-flash',\n      timeoutMs: num(\n        role === 'primary' ? process.env.LLM_ROUTER_PRIMARY_TIMEOUT_MS : process.env.LLM_ROUTER_TIMEOUT_MS,\n        role === 'primary' ? 5000 : 6000,\n      ),\n      maxRetries: nonNegativeNum(process.env.LLM_ROUTER_MAX_RETRIES, 1),\n    });\n  }\n\n  if (name === 'openai' || name === 'openai-premium') {\n    const apiKey = process.env.OPENAI_API_KEY ?? process.env.LLM_API_KEY;\n    if (!apiKey) return createDisabledLlmRouterProvider();\n    return createChatCompletionsLlmRouterProvider({\n      providerName: name,\n      apiKey,\n      baseUrl: process.env.OPENAI_BASE_URL || process.env.LLM_BASE_URL || 'https://api.openai.com/v1',\n      model:\n        name === 'openai-premium'\n          ? process.env.OPENAI_PREMIUM_MODEL || 'gpt-5-mini'\n          : process.env.OPENAI_MODEL || 'gpt-5-nano',\n      timeoutMs: num(\n        role === 'primary' ? process.env.LLM_ROUTER_PRIMARY_TIMEOUT_MS : process.env.LLM_ROUTER_SECONDARY_TIMEOUT_MS,\n        role === 'primary' ? 5000 : 6000,\n      ),\n      maxRetries: nonNegativeNum(process.env.LLM_ROUTER_MAX_RETRIES, 1),\n    });\n  }\n\n  return createDisabledLlmRouterProvider();\n}\n\nexport function getConfiguredLlmRouterProvider(): LlmRouterProvider {\n  const legacy = process.env.LLM_ROUTER_PROVIDER as LlmRouterProviderName | undefined;\n  const configured = (legacy ?? process.env.LLM_ROUTER_PRIMARY_PROVIDER ?? 'disabled').toLowerCase() as LlmRouterProviderName;\n  return providerFromName(configured, 'fixed');\n}\n\nexport function getConfiguredLlmRouterProviderChain(input: LlmRouterInput): Array<{\n  role: ProviderRole;\n  provider: LlmRouterProvider;\n}> {\n  const mode = String(process.env.LLM_ROUTER_MODE ?? 'fixed').toLowerCase();\n  if (mode !== 'auto' || !bool(process.env.LLM_ROUTER_AUTO_FALLBACK_ENABLED, true)) {\n    return [{ role: 'fixed', provider: getConfiguredLlmRouterProvider() }];\n  }\n\n  const primaryName = (process.env.LLM_ROUTER_PRIMARY_PROVIDER ?? process.env.LLM_ROUTER_PROVIDER ?? 'deepseek').toLowerCase() as LlmRouterProviderName;\n  const secondaryName = (process.env.LLM_ROUTER_SECONDARY_PROVIDER ?? 'openai').toLowerCase() as LlmRouterProviderName;\n  const premiumName = (process.env.LLM_ROUTER_TERTIARY_PROVIDER ?? 'openai-premium').toLowerCase() as LlmRouterProviderName;\n  const chain: Array<{ role: ProviderRole; provider: LlmRouterProvider }> = [];\n\n  const stickyKey = stickyProviderKey(input);\n  const sticky = stickyKey ? stickyProviders.get(stickyKey) : undefined;\n  if (sticky && sticky.expiresAt > Date.now() && sticky.remainingMessages > 0) {\n    sticky.remainingMessages -= 1;\n    chain.push({ role: 'secondary', provider: providerFromName(sticky.provider, 'secondary') });\n  } else {\n    if (stickyKey && sticky) stickyProviders.delete(stickyKey);\n    chain.push({ role: 'primary', provider: providerFromName(primaryName, 'primary') });\n  }\n\n  if (input.forceStrongerProvider && chain[0]?.provider.name === 'deepseek') {\n    chain.unshift({ role: 'secondary', provider: providerFromName(secondaryName, 'secondary') });\n  }\n\n  chain.push({ role: 'secondary', provider: providerFromName(secondaryName, 'secondary') });\n  chain.push({ role: 'premium', provider: providerFromName(premiumName, 'premium') });\n\n  const seen = new Set<string>();\n  return chain.filter(({ provider }) => {\n    const key = `${provider.name}:${provider.modelName ?? ''}`;\n    if (provider.name === 'disabled' || seen.has(key)) return false;\n    seen.add(key);\n    return true;\n  });\n}\n\nexport async function classifyWithConfiguredLlmRouter(input: LlmRouterInput): Promise<LlmRouterChainResult> {\n  const chain = getConfiguredLlmRouterProviderChain(input);\n  const maxAttempts =\n    String(process.env.LLM_ROUTER_MODE ?? 'fixed').toLowerCase() === 'auto'\n      ? num(process.env.LLM_ROUTER_MAX_PROVIDER_ATTEMPTS, 2)\n      : 1;\n  const attempts: LlmRouterAttemptAudit[] = [];\n\n  const stickyKey = stickyProviderKey(input);\n  const sticky = stickyKey ? stickyProviders.get(stickyKey) : undefined;\n  if (sticky && sticky.expiresAt > Date.now() && sticky.remainingMessages >= 0) {\n    attempts.push({\n      marker: 'LLM_ROUTER_STICKY_PROVIDER_USED',\n      provider: sticky.provider,\n      validation: 'skipped',\n      fallbackPath: 'sticky_provider',\n    });\n  }\n\n  for (const { role, provider } of chain.slice(0, maxAttempts)) {\n    const usedMarker: LlmRouterAttemptAudit['marker'] =\n      role === 'primary'\n        ? 'LLM_ROUTER_PRIMARY_USED'\n        : role === 'premium'\n          ? 'LLM_ROUTER_PREMIUM_USED'\n          : 'LLM_ROUTER_SECONDARY_USED';\n    const started = Date.now();\n    const usedAttempt: LlmRouterAttemptAudit = {\n      marker: usedMarker,\n      provider: provider.name,\n      modelName: provider.modelName,\n      validation: 'skipped',\n      fallbackPath: role,\n    };\n    attempts.push(usedAttempt);\n\n    try {\n      const decision = await provider.classifyGuestMessage(input);\n      const validation = validateRouterQuality(input, decision);\n      const latencyMs = Date.now() - started;\n      if (validation.ok) {\n        Object.assign(usedAttempt, {\n          provider: provider.name,\n          modelName: provider.modelName,\n          latencyMs,\n          normalizedIntent: decision.intent,\n          confidence: decision.confidence,\n          validation: 'accepted',\n          fallbackPath: role,\n          finalActionType: decision.actionType,\n          finalShouldEscalate: decision.shouldEscalate,\n        });\n        setStickyProvider(input, provider, role, attempts);\n        return { ok: true, decision, provider: provider.name, modelName: provider.modelName, attempts };\n      }\n\n      attempts.push({\n        marker: role === 'primary' ? 'LLM_ROUTER_PRIMARY_FAILED' : 'LLM_ROUTER_VALIDATION_FAILED',\n        provider: provider.name,\n        modelName: provider.modelName,\n        latencyMs,\n        failureReason: validation.reason,\n        normalizedIntent: decision.intent,\n        confidence: decision.confidence,\n        validation: validation.reason === 'low_confidence' ? 'low_confidence' : 'rejected',\n        fallbackPath: role,\n        finalActionType: decision.actionType,\n        finalShouldEscalate: decision.shouldEscalate,\n      });\n    } catch (error) {\n      attempts.push({\n        marker: role === 'primary' ? 'LLM_ROUTER_PRIMARY_FAILED' : 'LLM_ROUTER_VALIDATION_FAILED',\n        provider: provider.name,\n        modelName: provider.modelName,\n        latencyMs: Date.now() - started,\n        failureReason: error instanceof Error ? error.message.slice(0, 80) : 'provider_failed',\n        validation: 'provider_failed',\n        fallbackPath: role,\n      });\n    }\n  }\n\n  attempts.push({\n    marker: 'LLM_ROUTER_SAFE_FALLBACK_USED',\n    provider: 'disabled',\n    validation: 'skipped',\n    fallbackPath: 'safe_fallback',\n  });\n  return { ok: false, reason: 'all_providers_failed', attempts };\n}\n\nfunction validateRouterQuality(\n  input: LlmRouterInput,\n  decision: LlmRouterDecision,\n): { ok: true } | { ok: false; reason: string } {\n  const strict = validateLlmRouterDecision(decision);\n  if (!strict.ok) return { ok: false, reason: strict.reason };\n  if (decision.confidence < 0.7) return { ok: false, reason: 'low_confidence' };\n  if (isUrgentAccessText(input.messageText) && !(decision.intent === 'access_problem' && decision.shouldEscalate)) {\n    return { ok: false, reason: 'urgent_access_not_escalated' };\n  }\n  if (input.forceStrongerProvider && decision.intent === 'unknown') {\n    return { ok: false, reason: 'misunderstanding_loop_unknown' };\n  }\n  return { ok: true };\n}\n\nfunction isUrgentAccessText(text: string): boolean {\n  const normalized = text.toLocaleLowerCase('ru-RU');\n  return /(стою|у\\s+двери|снаружи|не\\s+могу\\s+(попасть|войти|зайти)|код\\s+не\\s+работает|дверь\\s+не\\s+открывается|замок\\s+не\\s+открывается)/i.test(\n    normalized,\n  );\n}\n\nfunction setStickyProvider(\n  input: LlmRouterInput,\n  provider: LlmRouterProvider,\n  role: ProviderRole,\n  attempts: LlmRouterAttemptAudit[],\n): void {\n  const stickyKey = stickyProviderKey(input);\n  if (!stickyKey || role === 'primary' || provider.name === 'disabled' || provider.name === 'deepseek') return;\n  stickyProviders.set(stickyKey, {\n    provider: provider.name,\n    expiresAt: Date.now() + num(process.env.LLM_ROUTER_STICKY_PROVIDER_TTL_MINUTES, 15) * 60_000,\n    remainingMessages: 5,\n  });\n  attempts.push({\n    marker: 'LLM_ROUTER_STICKY_PROVIDER_SET',\n    provider: provider.name,\n    modelName: provider.modelName,\n    validation: 'accepted',\n    fallbackPath: 'sticky_provider',\n  });\n}\n\nexport function __resetLlmRouterStickyProvidersForTests(): void {\n  stickyProviders.clear();\n}\n"}, "5c944cc88e5668f6d74c31b8de58f01d5dcfd6a6": {"t": 1786068276.4410396, "n": 11046, "h": "ef8ea1f57264f0d0", "c": "import {\n  createChatCompletionsLlmRouterProvider,\n  createDeepSeekLlmRouterProvider,\n} from './deepseek-provider';\nimport { validateLlmRouterDecision } from './validate-llm-router-decision';\nimport type {\n  LlmRouterAttemptAudit,\n  LlmRouterChainResult,\n  LlmRouterDecision,\n  LlmRouterInput,\n  LlmRouterProvider,\n  LlmRouterProviderName,\n} from './types';\n\ntype ProviderRole = 'primary' | 'secondary' | 'premium' | 'fixed';\n\ntype StickyProvider = {\n  provider: LlmRouterProviderName;\n  expiresAt: number;\n  remainingMessages: number;\n};\n\nconst stickyProviders = new Map<string, StickyProvider>();\n\nfunction cleanKeyPart(value: string | undefined): string | undefined {\n  const trimmed = value?.trim();\n  return trimmed ? trimmed.slice(0, 160) : undefined;\n}\n\nfunction stickyProviderKey(input: LlmRouterInput): string | undefined {\n  const bookingId = cleanKeyPart(input.bookingId);\n  if (bookingId) return `booking:${bookingId}`;\n\n  const conversationId = cleanKeyPart(input.conversationId);\n  if (conversationId) return `conversation:${conversationId}`;\n\n  const sessionId = cleanKeyPart(input.sessionId);\n  if (sessionId) return `session:${sessionId}`;\n\n  const chatId = cleanKeyPart(input.chatId);\n  if (chatId) return `chat:${chatId}`;\n\n  return undefined;\n}\n\nexport function createDisabledLlmRouterProvider(): LlmRouterProvider {\n  return {\n    name: 'disabled',\n    modelName: 'disabled',\n    async classifyGuestMessage(_input: LlmRouterInput) {\n      throw new Error('llm_router_disabled');\n    },\n  };\n}\n\nfunction num(value: string | undefined, fallback: number): number {\n  const parsed = Number(value);\n  return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;\n}\n\nfunction nonNegativeNum(value: string | undefined, fallback: number): number {\n  const parsed = Number(value);\n  return Number.isFinite(parsed) && parsed >= 0 ? parsed : fallback;\n}\n\nfunction bool(value: string | undefined, fallback: boolean): boolean {\n  if (value === undefined) return fallback;\n  return value === 'true' || value === '1';\n}\n\nfunction providerFromName(name: LlmRouterProviderName, role: ProviderRole): LlmRouterProvider {\n  if (name === 'deepseek') {\n    const apiKey = process.env.DEEPSEEK_API_KEY;\n    if (!apiKey) return createDisabledLlmRouterProvider();\n    return createDeepSeekLlmRouterProvider({\n      apiKey,\n      baseUrl: process.env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com',\n      model: process.env.DEEPSEEK_MODEL || 'deepseek-v4-flash',\n      timeoutMs: num(\n        role === 'primary' ? process.env.LLM_ROUTER_PRIMARY_TIMEOUT_MS : process.env.LLM_ROUTER_TIMEOUT_MS,\n        role === 'primary' ? 5000 : 6000,\n      ),\n      maxRetries: nonNegativeNum(process.env.LLM_ROUTER_MAX_RETRIES, 1),\n    });\n  }\n\n  if (name === 'openai' || name === 'openai-premium') {\n    const apiKey = process.env.OPENAI_API_KEY ?? process.env.LLM_API_KEY;\n    if (!apiKey) return createDisabledLlmRouterProvider();\n    return createChatCompletionsLlmRouterProvider({\n      providerName: name,\n      apiKey,\n      baseUrl: process.env.OPENAI_BASE_URL || process.env.LLM_BASE_URL || 'https://api.openai.com/v1',\n      model:\n        name === 'openai-premium'\n          ? process.env.OPENAI_PREMIUM_MODEL || 'gpt-5-mini'\n          : process.env.OPENAI_MODEL || 'gpt-5-nano',\n      timeoutMs: num(\n        role === 'primary' ? process.env.LLM_ROUTER_PRIMARY_TIMEOUT_MS : process.env.LLM_ROUTER_SECONDARY_TIMEOUT_MS,\n        role === 'primary' ? 5000 : 6000,\n      ),\n      maxRetries: nonNegativeNum(process.env.LLM_ROUTER_MAX_RETRIES, 1),\n    });\n  }\n\n  return createDisabledLlmRouterProvider();\n}\n\nexport function getConfiguredLlmRouterProvider(): LlmRouterProvider {\n  const legacy = process.env.LLM_ROUTER_PROVIDER as LlmRouterProviderName | undefined;\n  const configured = (legacy ?? process.env.LLM_ROUTER_PRIMARY_PROVIDER ?? 'disabled').toLowerCase() as LlmRouterProviderName;\n  return providerFromName(configured, 'fixed');\n}\n\nexport function getConfiguredLlmRouterProviderChain(input: LlmRouterInput): Array<{\n  role: ProviderRole;\n  provider: LlmRouterProvider;\n}> {\n  const mode = String(process.env.LLM_ROUTER_MODE ?? 'fixed').toLowerCase();\n  if (mode !== 'auto' || !bool(process.env.LLM_ROUTER_AUTO_FALLBACK_ENABLED, true)) {\n    return [{ role: 'fixed', provider: getConfiguredLlmRouterProvider() }];\n  }\n\n  const primaryName = (process.env.LLM_ROUTER_PRIMARY_PROVIDER ?? process.env.LLM_ROUTER_PROVIDER ?? 'deepseek').toLowerCase() as LlmRouterProviderName;\n  const secondaryName = (process.env.LLM_ROUTER_SECONDARY_PROVIDER ?? 'openai').toLowerCase() as LlmRouterProviderName;\n  const premiumName = (process.env.LLM_ROUTER_TERTIARY_PROVIDER ?? 'openai-premium').toLowerCase() as LlmRouterProviderName;\n  const chain: Array<{ role: ProviderRole; provider: LlmRouterProvider }> = [];\n\n  const stickyKey = stickyProviderKey(input);\n  const sticky = stickyKey ? stickyProviders.get(stickyKey) : undefined;\n  if (sticky && sticky.expiresAt > Date.now() && sticky.remainingMessages > 0) {\n    sticky.remainingMessages -= 1;\n    chain.push({ role: 'secondary', provider: providerFromName(sticky.provider, 'secondary') });\n  } else {\n    if (stickyKey && sticky) stickyProviders.delete(stickyKey);\n    chain.push({ role: 'primary', provider: providerFromName(primaryName, 'primary') });\n  }\n\n  if (input.forceStrongerProvider && chain[0]?.provider.name === 'deepseek') {\n    chain.unshift({ role: 'secondary', provider: providerFromName(secondaryName, 'secondary') });\n  }\n\n  chain.push({ role: 'secondary', provider: providerFromName(secondaryName, 'secondary') });\n  chain.push({ role: 'premium', provider: providerFromName(premiumName, 'premium') });\n\n  const seen = new Set<string>();\n  return chain.filter(({ provider }) => {\n    const key = `${provider.name}:${provider.modelName ?? ''}`;\n    if (provider.name === 'disabled' || seen.has(key)) return false;\n    seen.add(key);\n    return true;\n  });\n}\n\nexport async function classifyWithConfiguredLlmRouter(input: LlmRouterInput): Promise<LlmRouterChainResult> {\n  const chain = getConfiguredLlmRouterProviderChain(input);\n  const maxAttempts =\n    String(process.env.LLM_ROUTER_MODE ?? 'fixed').toLowerCase() === 'auto'\n      ? num(process.env.LLM_ROUTER_MAX_PROVIDER_ATTEMPTS, 2)\n      : 1;\n  const attempts: LlmRouterAttemptAudit[] = [];\n\n  const stickyKey = stickyProviderKey(input);\n  const sticky = stickyKey ? stickyProviders.get(stickyKey) : undefined;\n  if (sticky && sticky.expiresAt > Date.now() && sticky.remainingMessages >= 0) {\n    attempts.push({\n      marker: 'LLM_ROUTER_STICKY_PROVIDER_USED',\n      provider: sticky.provider,\n      validation: 'skipped',\n      fallbackPath: 'sticky_provider',\n    });\n  }\n\n  for (const { role, provider } of chain.slice(0, maxAttempts)) {\n    const usedMarker: LlmRouterAttemptAudit['marker'] =\n      role === 'primary'\n        ? 'LLM_ROUTER_PRIMARY_USED'\n        : role === 'premium'\n          ? 'LLM_ROUTER_PREMIUM_USED'\n          : 'LLM_ROUTER_SECONDARY_USED';\n    const started = Date.now();\n    const usedAttempt: LlmRouterAttemptAudit = {\n      marker: usedMarker,\n      provider: provider.name,\n      modelName: provider.modelName,\n      validation: 'skipped',\n      fallbackPath: role,\n    };\n    attempts.push(usedAttempt);\n\n    try {\n      const decision = await provider.classifyGuestMessage(input);\n      const validation = validateRouterQuality(input, decision);\n      const latencyMs = Date.now() - started;\n      if (validation.ok) {\n        Object.assign(usedAttempt, {\n          provider: provider.name,\n          modelName: provider.modelName,\n          latencyMs,\n          normalizedIntent: decision.intent,\n          confidence: decision.confidence,\n          validation: 'accepted',\n          fallbackPath: role,\n          finalActionType: decision.actionType,\n          finalShouldEscalate: decision.shouldEscalate,\n        });\n        setStickyProvider(input, provider, role, attempts);\n        return { ok: true, decision, provider: provider.name, modelName: provider.modelName, attempts };\n      }\n\n      attempts.push({\n        marker: role === 'primary' ? 'LLM_ROUTER_PRIMARY_FAILED' : 'LLM_ROUTER_VALIDATION_FAILED',\n        provider: provider.name,\n        modelName: provider.modelName,\n        latencyMs,\n        failureReason: validation.reason,\n        normalizedIntent: decision.intent,\n        confidence: decision.confidence,\n        validation: validation.reason === 'low_confidence' ? 'low_confidence' : 'rejected',\n        fallbackPath: role,\n        finalActionType: decision.actionType,\n        finalShouldEscalate: decision.shouldEscalate,\n      });\n    } catch (error) {\n      attempts.push({\n        marker: role === 'primary' ? 'LLM_ROUTER_PRIMARY_FAILED' : 'LLM_ROUTER_VALIDATION_FAILED',\n        provider: provider.name,\n        modelName: provider.modelName,\n        latencyMs: Date.now() - started,\n        failureReason: error instanceof Error ? error.message.slice(0, 80) : 'provider_failed',\n        validation: 'provider_failed',\n        fallbackPath: role,\n      });\n    }\n  }\n\n  attempts.push({\n    marker: 'LLM_ROUTER_SAFE_FALLBACK_USED',\n    provider: 'disabled',\n    validation: 'skipped',\n    fallbackPath: 'safe_fallback',\n  });\n  return { ok: false, reason: 'all_providers_failed', attempts };\n}\n\nfunction validateRouterQuality(\n  input: LlmRouterInput,\n  decision: LlmRouterDecision,\n): { ok: true } | { ok: false; reason: string } {\n  const strict = validateLlmRouterDecision(decision);\n  if (!strict.ok) return { ok: false, reason: strict.reason };\n  if (decision.confidence < 0.7) return { ok: false, reason: 'low_confidence' };\n  if (isUrgentAccessText(input.messageText) && !(decision.intent === 'access_problem' && decision.shouldEscalate)) {\n    return { ok: false, reason: 'urgent_access_not_escalated' };\n  }\n  if (input.forceStrongerProvider && decision.intent === 'unknown') {\n    return { ok: false, reason: 'misunderstanding_loop_unknown' };\n  }\n  return { ok: true };\n}\n\nfunction isUrgentAccessText(text: string): boolean {\n  const normalized = text.toLocaleLowerCase('ru-RU');\n  return /(стою|у\\s+двери|снаружи|не\\s+могу\\s+(попасть|войти|зайти)|код\\s+не\\s+работает|дверь\\s+не\\s+открывается|замок\\s+не\\s+открывается)/i.test(\n    normalized,\n  );\n}\n\nfunction setStickyProvider(\n  input: LlmRouterInput,\n  provider: LlmRouterProvider,\n  role: ProviderRole,\n  attempts: LlmRouterAttemptAudit[],\n): void {\n  const stickyKey = stickyProviderKey(input);\n  if (!stickyKey || role === 'primary' || provider.name === 'disabled' || provider.name === 'deepseek') return;\n  stickyProviders.set(stickyKey, {\n    provider: provider.name,\n    expiresAt: Date.now() + num(process.env.LLM_ROUTER_STICKY_PROVIDER_TTL_MINUTES, 15) * 60_000,\n    remainingMessages: 5,\n  });\n  attempts.push({\n    marker: 'LLM_ROUTER_STICKY_PROVIDER_SET',\n    provider: provider.name,\n    modelName: provider.modelName,\n    validation: 'accepted',\n    fallbackPath: 'sticky_provider',\n  });\n}\n\nexport function __resetLlmRouterStickyProvidersForTests(): void {\n  stickyProviders.clear();\n}\n"}}}}