diff --git a/src/adapters/openai-responses/passthrough.ts b/src/adapters/openai-responses/passthrough.ts
index 57c7ccf0e6b..3bf077c358b 100644
--- a/src/adapters/openai-responses/passthrough.ts
+++ b/src/adapters/openai-responses/passthrough.ts
@@ -40,7 +40,7 @@ import {
   emittedFastWire,
 } from "../../providers/fastwire";
 import { dropResponsesReasoningInputItems, mapRoutedResponsesReasoningEffort, normalizeConfiguredReasoningSummaryDelivery, sanitizeReasoningInputContent, stripDisabledReasoningSummaries, stripDisabledVerbosity, stripNoneReasoningSummary, stripUnsupportedReasoningSummaryDelivery } from "./reasoning";
-import { scrubOcxCompactionItems, stripCanonicalOnlyInputItems, stripCanonicalOnlyToolFields, stripCanonicalOnlyTopLevelFields, stripInternalChatMessageMetadataPassthrough, stripInvalidItemIds, stripItemIdsWhenUnstored, stripProviderInputItemMetadata, stripRejectedSamplingParams } from "./request-strips";
+import { repairUrlCitationAnnotations, scrubOcxCompactionItems, stripCanonicalOnlyInputItems, stripCanonicalOnlyToolFields, stripCanonicalOnlyTopLevelFields, stripInternalChatMessageMetadataPassthrough, stripInvalidItemIds, stripItemIdsWhenUnstored, stripProviderInputItemMetadata, stripRejectedSamplingParams } from "./scrubOcxCompactionItems";
 import { notePlaintextReasoningDropped } from "./plaintext-reasoning-notice";
 import { stripCanonicalForwardPromptCacheOptions, stripDeprecatedPromptCacheRetention } from "./prompt-cache";
 import { isPlainObject } from "./internal";
@@ -315,7 +315,7 @@ export function createResponsesPassthroughAdapter(provider: OcxProviderConfig):
       outBody = repairLegacyDottedToolCallNames(outBody);
       // Shared HTTP/WS outbound projection, including concrete combo/fallback destinations.
       if (isOpenAiOperatedResponsesDestination(provider)) {
-        outBody = stripProviderInputItemMetadata(outBody);
+        outBody = repairUrlCitationAnnotations(stripProviderInputItemMetadata(outBody));
       }
       if (!isCanonicalOpenAiForwardProvider(provider)) {
         if (provider.preserveResponsesMessageMetadata !== true) {
diff --git a/src/adapters/openai-responses/request-strips.ts b/src/adapters/openai-responses/request-strips.ts
index 6fb0f591854..bef193b32bb 100644
--- a/src/adapters/openai-responses/request-strips.ts
+++ b/src/adapters/openai-responses/request-strips.ts
@@ -24,7 +24,7 @@ export function stripProviderInputItemMetadata(body: unknown): unknown {
     input ??= [...body.input];
     input[index] = next;
   }
-  return repairUrlCitationAnnotations(input ? { ...body, input } : body);
+    return input ? { ...body, input } : body;
 }
 
 function isUrlCitationIndex(value: unknown): value is number {
diff --git a/src/server/responses/compact.ts b/src/server/responses/compact.ts
index 28cb3fbc718..bc689e91fc9 100644
--- a/src/server/responses/compact.ts
+++ b/src/server/responses/compact.ts
@@ -25,7 +25,7 @@ import { parseRequest } from "../../responses/parser";
 import { buildCompactV1Output, COMPACT_PROMPT, decodeCompactionSummary, extractCompactUserMessages } from "../../responses/compaction";
 import { applyReasoningRetention, appendRetentionNotice, type ReasoningRetentionResult } from "../../responses/reasoning-retention";
 import { FORWARD_HEADERS, sanitizeReasoningInputContent } from "../../adapters/openai-responses";
-import { stripProviderInputItemMetadata } from "../../adapters/openai-responses/request-strips";
+import { repairUrlCitationAnnotations, stripProviderInputItemMetadata } from "../../adapters/openai-responses/request-strips";
 import { expandPreviousResponseInput, previousResponseProviderState, rememberResponseState } from "../../responses/state";
 import { repairLegacyDottedToolCallNames } from "../../responses/legacy-dotted-tool-name-repair";
 import { NoEligiblePolicyCandidateError, routeCompactionModel } from "../../router";
@@ -950,7 +950,7 @@ export async function handleResponsesCompact(
     // call-name repair the adapter applies. A damaged item here refuses the compaction itself,
     // which is the request a long task depends on to keep going.
     // This branch is OpenAI-only and bypasses the adapter's Google replay projection (#7111).
-    const compactBody = repairLegacyDottedToolCallNames(
+     let compactBody = repairLegacyDottedToolCallNames(
       stripProviderInputItemMetadata(sanitizeReasoningInputContent(compactBodyRaw, {
         preserveRawReasoningContent: !isOpenAiOperatedResponsesDestination(compactProvider)
           && compactProvider.preserveResponsesReasoningContent === true,
@@ -959,7 +959,9 @@ export async function handleResponsesCompact(
         requirePlaintextReasoning: requireCompactPlaintextReasoning,
       })),
     ) as typeof compactBodyRaw;
-    {
+      if (isOpenAiOperatedResponsesDestination(compactProvider)) {
+      compactBody = repairUrlCitationAnnotations(compactBody) as typeof compactBodyRaw;
+    }
       const binding = conversationStateBindingFromAuth(authCtx, codexPoolAffinityKey(req.headers));
       if (binding) {
         // Refused rather than scrubbed: an uploaded file is content the caller attached, not