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feat(core): add post-step request recovery (PR3 phase 1)

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Hypatia May
2026-07-15 16:03:52 +08:00
parent e55e96eec6
commit e8d066f750
29 changed files with 1207 additions and 120 deletions
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24
packages/llm/llm-deepseek/src/adapter.ts
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@@ -5,7 +5,7 @@
* @module dsh-llm-deepseek/adapter
*/
import { attributionHeaders, LlmAdapter, LlmError } from '@deepseek-ai/dsh-llm'
import { attributionHeaders, CONTEXT_WINDOW_EXCEEDED_CODE, isContextWindowExceededError, LlmAdapter, LlmError } from '@deepseek-ai/dsh-llm'
import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm'
import { serializeRequest } from './serialize.ts'
import type { RequestDefaults } from './serialize.ts'
@@ -26,12 +26,17 @@ export interface DeepSeekAdapterOptions {
/**
* Map an HTTP status to a stable LlmError code.
* @param status - status of a non-2xx provider response.
* @returns `AUTH` (401/403), `RATE_LIMIT` (429), `INVALID_REQUEST` (400), `SERVER` (5xx), or `HTTP_<status>` for anything else.
* @param error - parsed provider error body, when available.
* @returns the normalized harness error code.
*/
export function httpErrorCode(status: number): string {
export function httpErrorCode(status: number, error?: WireError['error']): string {
if (status === 401 || status === 403) return 'AUTH'
if (status === 429) return 'RATE_LIMIT'
if (status === 400) return 'INVALID_REQUEST'
if (status === 400) {
const detail = [error?.code, error?.type, error?.message].filter(Boolean).join(' ')
if (isContextWindowExceededError(detail)) return CONTEXT_WINDOW_EXCEEDED_CODE
return 'INVALID_REQUEST'
}
if (status >= 500) return 'SERVER'
return `HTTP_${status}`
}
@@ -67,16 +72,17 @@ export class DeepSeekAdapter extends LlmAdapter {
})
if (!response.ok) {
const code = httpErrorCode(response.status)
let message = `DeepSeek API error (HTTP ${response.status})`
let providerError: WireError['error']
try {
const parsed = await response.json() as WireError
if (parsed.error?.message) message = parsed.error.message
providerError = parsed.error
if (providerError?.message) message = providerError.message
} catch {
// Only swallow error-body parsing: status and code are already captured,
// so malformed gateway JSON must not mask the actionable HTTP failure.
// Only swallow error-body parsing: the HTTP status still identifies the
// failure, so malformed gateway JSON must not mask it.
}
throw new LlmError(message, code, response.status)
throw new LlmError(message, httpErrorCode(response.status, providerError), response.status)
}
if (!response.body) {
throw new LlmError('DeepSeek API returned no response body', 'EMPTY_RESPONSE')