fix: clarify provider retry delay contract

packages/llm/llm-deepseek/src/adapter.ts

@@ -42,7 +42,7 @@ export interface DeepSeekAdapterOptions {
 export const DEFAULT_STREAM_IDLE_TIMEOUT_MS = 300_000
 const STREAM_IDLE_TIMEOUT_CODE = 'LLM_STREAM_IDLE_TIMEOUT'
 
-function retryAfterMs(value: string | null): number | undefined {
+function providerRetryAfterMs(value: string | null): number | undefined {
   if (value === null) return undefined
   if (/^\d+$/.test(value)) {
     const delay = Number(value) * 1_000
@@ -188,11 +188,11 @@ export class DeepSeekAdapter extends LlmAdapter {
         // Only swallow error-body parsing: the HTTP status still identifies the
         // failure, so malformed gateway JSON must not mask it.
       }
-      const delay = retryAfterMs(response.headers.get('retry-after'))
+      const delay = providerRetryAfterMs(response.headers.get('retry-after'))
       const id = requestId(response.headers)
       throw new LlmError(message, httpErrorCode(response.status, providerError), {
         status: response.status,
-        ...delay === undefined ? {} : { retryAfterMs: delay },
+        ...delay === undefined ? {} : { providerRetryAfterMs: delay },
         ...id === undefined ? {} : { requestId: id },
       })
     }

packages/llm/llm-deepseek/tests/adapter.spec.ts

@@ -232,7 +232,7 @@ describe('DeepSeekAdapter against a mock server', () => {
       message: 'slow down',
       code: 'RATE_LIMIT',
       status: 429,
-      retryAfterMs: 2_000,
+      providerRetryAfterMs: 2_000,
       requestId: ProviderRequestId('req-429'),
     })
   })
@@ -257,7 +257,7 @@ describe('DeepSeekAdapter against a mock server', () => {
             message: 'come back later',
             code: 'SERVER',
             status: 503,
-            retryAfterMs: 3_000,
+            providerRetryAfterMs: 3_000,
             requestId: ProviderRequestId('deepseek-503'),
           },
         })