diff --git a/server/src/services/heartbeat.ts b/server/src/services/heartbeat.ts
index 80ac0ca76ac..663633ceafb 100644
--- a/server/src/services/heartbeat.ts
+++ b/server/src/services/heartbeat.ts
@@ -238,6 +238,7 @@ import {
   buildFeedbackDeliveryFingerprint,
   buildFeedbackDeliveryRetryIdempotencyKey,
   carriesExplicitFeedbackResume,
+  collectFeedbackDispositionHandledCommentIds,
   isEligibleFeedbackDeliveryWake,
   isSuccessfulFeedbackDeliveryRecoveryMatch,
   remainingFeedbackDispositionCommentIds,
@@ -10211,7 +10212,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
     run: typeof heartbeatRuns.$inferSelect,
     delivery: FeedbackDeliveryContext,
   ) {
-    const comment = await db
+    const comments = await db
       .select({ id: issueComments.id, metadata: issueComments.metadata })
       .from(issueComments)
       .where(and(
@@ -10221,7 +10222,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
         isNull(issueComments.deletedAt),
       ))
       .orderBy(desc(issueComments.createdAt), desc(issueComments.id))
-      .then((rows) => rows.find((row) => {
+      .then((rows) => rows.filter((row) => {
         const disposition = row.metadata?.feedbackDisposition;
         if (
           disposition?.kind !== "feedback_delivery"
@@ -10231,17 +10232,21 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
           deliveryCommentIds: delivery.commentIds,
           handledCommentIds: disposition.handledCommentIds,
         }) !== null;
-      }) ?? null);
-    if (!comment) return null;
-    const disposition = comment.metadata?.feedbackDisposition;
-    if (!disposition) return null;
+      }));
+    if (comments.length === 0) return null;
+    const handledCommentIds = collectFeedbackDispositionHandledCommentIds({
+      deliveryCommentIds: delivery.commentIds,
+      rootWakeupRequestId: delivery.rootWakeupRequestId,
+      dispositions: comments.map((comment) => comment.metadata?.feedbackDisposition),
+    });
     // Only an explicit, persisted disposition can acknowledge feedback. Ordinary
-    // run comments and other same-run issue activity can be unrelated.
+    // run comments and other same-run issue activity can be unrelated. A run may
+    // post several partial receipts, so combine all valid receipts for this root.
     return {
       kind: "comment",
-      id: comment.id,
-      rootWakeupRequestId: disposition.rootWakeupRequestId,
-      sourceCommentIds: disposition.handledCommentIds,
+      id: comments[0]!.id,
+      rootWakeupRequestId: delivery.rootWakeupRequestId,
+      sourceCommentIds: handledCommentIds,
     } as const;
   }
 
diff --git a/server/src/services/recovery/feedback-delivery.test.ts b/server/src/services/recovery/feedback-delivery.test.ts
index 417f649a7a3..e23b11f5b46 100644
--- a/server/src/services/recovery/feedback-delivery.test.ts
+++ b/server/src/services/recovery/feedback-delivery.test.ts
@@ -5,6 +5,7 @@ import {
   STRANDED_FEEDBACK_DELIVERY_BACKSTOP_SOURCE,
   buildFeedbackDeliveryFingerprint,
   buildFeedbackDeliveryRetryIdempotencyKey,
+  collectFeedbackDispositionHandledCommentIds,
   decideStrandedFeedbackDeliveryBackstop,
   hasCompleteFeedbackDispositionCoverage,
   isSuccessfulFeedbackDeliveryRecoveryMatch,
@@ -203,6 +204,18 @@ describe("feedback disposition coverage", () => {
       handledCommentIds,
     })).toBeNull();
   });
+
+  it("combines complementary partial receipts from one run", () => {
+    expect(collectFeedbackDispositionHandledCommentIds({
+      deliveryCommentIds: ["comment-1", "comment-2", "comment-3"],
+      rootWakeupRequestId: "wake-root",
+      dispositions: [
+        { rootWakeupRequestId: "wake-root", handledCommentIds: ["comment-1"] },
+        { rootWakeupRequestId: "wake-root", handledCommentIds: ["comment-3"] },
+        { rootWakeupRequestId: "other-root", handledCommentIds: ["comment-2"] },
+      ],
+    })).toEqual(["comment-1", "comment-3"]);
+  });
 });
 
 describe("manual feedback retry attempts", () => {
diff --git a/server/src/services/recovery/feedback-delivery.ts b/server/src/services/recovery/feedback-delivery.ts
index 3bafc0e1d74..0a0832f8c0a 100644
--- a/server/src/services/recovery/feedback-delivery.ts
+++ b/server/src/services/recovery/feedback-delivery.ts
@@ -130,6 +130,26 @@ export function remainingFeedbackDispositionCommentIds(input: {
   return [...deliveryIds].filter((commentId) => !handledIds.has(commentId));
 }
 
+export function collectFeedbackDispositionHandledCommentIds(input: {
+  deliveryCommentIds: string[];
+  rootWakeupRequestId: string;
+  dispositions: Array<{
+    rootWakeupRequestId: string;
+    handledCommentIds: string[];
+  } | null | undefined>;
+}) {
+  const handledIds = new Set<string>();
+  for (const disposition of input.dispositions) {
+    if (!disposition || disposition.rootWakeupRequestId !== input.rootWakeupRequestId) continue;
+    if (remainingFeedbackDispositionCommentIds({
+      deliveryCommentIds: input.deliveryCommentIds,
+      handledCommentIds: disposition.handledCommentIds,
+    }) === null) continue;
+    for (const commentId of disposition.handledCommentIds) handledIds.add(commentId);
+  }
+  return input.deliveryCommentIds.filter((commentId) => handledIds.has(commentId));
+}
+
 export function isSuccessfulFeedbackDeliveryRecoveryMatch(input: {
   handlingEvidence: {
     rootWakeupRequestId: string;
diff --git a/server/src/services/recovery/index.ts b/server/src/services/recovery/index.ts
index 27ea85fcda0..dd65a335a15 100644
--- a/server/src/services/recovery/index.ts
+++ b/server/src/services/recovery/index.ts
@@ -40,6 +40,7 @@ export {
   buildFeedbackDeliveryFingerprint,
   buildFeedbackDeliveryRetryIdempotencyKey,
   carriesExplicitFeedbackResume,
+  collectFeedbackDispositionHandledCommentIds,
   decideStrandedFeedbackDeliveryBackstop,
   hasCompleteFeedbackDispositionCoverage,
   isEligibleFeedbackDeliveryWake,