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修复第三方API在响应中返回的model与请求的modelid不一致导致上下文显示200000

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修复第三方API在响应中返回的model与请求的modelid不一致导致上下文显示200000
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zhb 2026-06-23 19:27:36 +08:00 committed by GitHub
parent eddaec547e
commit 192ed4bdce
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1 changed files with 65 additions and 1 deletions
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66
src/server/services/sessionService.ts
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@ -1376,8 +1376,21 @@ export class SessionService {
if (activeId) providerIds.push(activeId)
}
// Provider env model keys — these are the configured model names that
// should be used as fallback matching keys when the transcript model name
// (from the API response) doesn't match the modelContextWindows keys.
// Third-party APIs may return model names with provider-specific suffixes
// (e.g. "LongCat-2.0-Preview-LongCatAI" instead of "LongCat-2.0-Preview").
const providerEnvModelKeys = [
'ANTHROPIC_MODEL',
'ANTHROPIC_DEFAULT_HAIKU_MODEL',
'ANTHROPIC_DEFAULT_SONNET_MODEL',
'ANTHROPIC_DEFAULT_OPUS_MODEL',
] as const
for (const providerId of providerIds) {
const env = await this.providerService.getProviderRuntimeEnv(providerId).catch(() => null)
// Step 1: Try matching the transcript model name directly (current behavior)
const contextWindow = getModelContextWindowFromEnvValue(
model,
env?.[MODEL_CONTEXT_WINDOWS_ENV_KEY],
@ -1387,6 +1400,27 @@ export class SessionService {
return MODEL_CONTEXT_WINDOW_DEFAULT
}
return contextWindow
}
// Step 2: If transcript model name didn't match, try matching with
// the provider's configured model names as fallback keys.
// This handles the case where the API response returns a model name
// that differs from the user-configured model name (e.g. provider
// appends its own suffix like "-LongCatAI").
if (env && rawContextWindows) {
for (const envKey of providerEnvModelKeys) {
const configuredModel = env[envKey]
if (!configuredModel) continue
const fallbackWindow = getModelContextWindowFromEnvValue(
configuredModel,
rawContextWindows,
)
if (fallbackWindow !== undefined) {
if (fallbackWindow > MODEL_CONTEXT_WINDOW_DEFAULT && is1mContextDisabled()) {
return MODEL_CONTEXT_WINDOW_DEFAULT
}
return fallbackWindow
}
}
}
}
@ -1400,15 +1434,45 @@ export class SessionService {
private async getUniqueSavedProviderContextWindow(model: string): Promise<number | undefined> {
const { providers } = await this.providerService.listProviders().catch(() => ({ providers: [] }))
const matches: number[] = []
const providerEnvModelKeys = [
'ANTHROPIC_MODEL',
'ANTHROPIC_DEFAULT_HAIKU_MODEL',
'ANTHROPIC_DEFAULT_SONNET_MODEL',
'ANTHROPIC_DEFAULT_OPUS_MODEL',
] as const
for (const provider of providers) {
const env = await this.providerService.getProviderRuntimeEnv(provider.id).catch(() => null)
const contextWindow = getModelContextWindowFromEnvValue(
// Step 1: Try matching the transcript model name directly
const contextWindow = getModelContextWindowFromEnvValue(
model,
env?.[MODEL_CONTEXT_WINDOWS_ENV_KEY],
)
if (contextWindow !== undefined) {
matches.push(contextWindow)
continue
}
// Step 2: Fallback — try matching with provider's configured model names
if (env && rawContextWindows) {
for (const envKey of providerEnvModelKeys) {
const configuredModel = env[envKey]
if (!configuredModel) continue
const fallbackWindow = getModelContextWindowFromEnvValue(
configuredModel,
rawContextWindows,
)
if (fallbackWindow !== undefined) {
traceDebug('CTX_WIN', 'getUniqueSavedProviderContextWindow — fallback match via configured model', {
transcriptModel: model,
configuredModel,
envKey,
fallbackWindow,
})
matches.push(fallbackWindow)
break // One match per provider is enough
}
}
}
}