diff --git a/server/src/__tests__/issues-service.test.ts b/server/src/__tests__/issues-service.test.ts
index 0dbc66b68f..b56785ff38 100644
--- a/server/src/__tests__/issues-service.test.ts
+++ b/server/src/__tests__/issues-service.test.ts
@@ -3200,6 +3200,114 @@ describeEmbeddedPostgres("issueService blockers and dependency wake readiness",
     expect(blockedRelations.blockedBy.map((relation) => relation.id)).toEqual([blockerId]);
   });
 
+  it("returns blocked-by summaries on newly created issues", async () => {
+    const companyId = randomUUID();
+    await db.insert(companies).values({
+      id: companyId,
+      name: "Paperclip",
+      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
+      requireBoardApprovalForNewAgents: false,
+    });
+
+    const blockerId = randomUUID();
+    await db.insert(issues).values({
+      id: blockerId,
+      companyId,
+      title: "Blocker",
+      status: "todo",
+      priority: "high",
+    });
+
+    const created = await svc.create(companyId, {
+      title: "Blocked issue",
+      status: "blocked",
+      priority: "medium",
+      blockedByIssueIds: [blockerId],
+    });
+
+    expect(created.blockedBy.map((relation) => relation.id)).toEqual([blockerId]);
+    expect(created.blockedBy[0]).toEqual(expect.objectContaining({
+      title: "Blocker",
+      status: "todo",
+      priority: "high",
+    }));
+    expect(created.blocks).toEqual([]);
+  });
+
+  it("returns blocked-by summaries on newly created child issues", async () => {
+    const companyId = randomUUID();
+    await db.insert(companies).values({
+      id: companyId,
+      name: "Paperclip",
+      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
+      requireBoardApprovalForNewAgents: false,
+    });
+
+    const parentId = randomUUID();
+    const blockerId = randomUUID();
+    await db.insert(issues).values([
+      {
+        id: parentId,
+        companyId,
+        title: "Parent",
+        status: "todo",
+        priority: "medium",
+      },
+      {
+        id: blockerId,
+        companyId,
+        title: "Blocker",
+        status: "todo",
+        priority: "high",
+      },
+    ]);
+
+    const { issue: child } = await svc.createChild(parentId, {
+      title: "Blocked child issue",
+      status: "blocked",
+      priority: "medium",
+      blockedByIssueIds: [blockerId],
+    });
+
+    expect(child.parentId).toBe(parentId);
+    expect(child.blockedBy.map((relation) => relation.id)).toEqual([blockerId]);
+    expect(child.blocks).toEqual([]);
+  });
+
+  it("returns blocks summaries when child creation blocks the parent", async () => {
+    const companyId = randomUUID();
+    await db.insert(companies).values({
+      id: companyId,
+      name: "Paperclip",
+      issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
+      requireBoardApprovalForNewAgents: false,
+    });
+
+    const parentId = randomUUID();
+    await db.insert(issues).values({
+      id: parentId,
+      companyId,
+      title: "Parent",
+      status: "todo",
+      priority: "medium",
+    });
+
+    const { issue: child } = await svc.createChild(parentId, {
+      title: "Parent-blocking child",
+      status: "todo",
+      priority: "medium",
+      blockParentUntilDone: true,
+    });
+
+    expect(child.blocks.map((relation) => relation.id)).toEqual([parentId]);
+    expect(child.blocks[0]).toEqual(expect.objectContaining({
+      title: "Parent",
+      status: "todo",
+      priority: "medium",
+    }));
+    expect(child.blockedBy).toEqual([]);
+  });
+
   it("adds terminal blockers to immediate blocked-by summaries", async () => {
     const companyId = randomUUID();
     await db.insert(companies).values({
diff --git a/server/src/services/issues.ts b/server/src/services/issues.ts
index 0fa0913587..ca2f48959e 100644
--- a/server/src/services/issues.ts
+++ b/server/src/services/issues.ts
@@ -3991,6 +3991,23 @@ export function issueService(db: Db) {
     return empty;
   }
 
+  async function withIssueRelationSummaries<T extends { id: string }>(
+    companyId: string,
+    rows: T[],
+    dbOrTx: DbReader = db,
+  ): Promise<Array<T & IssueRelationSummaryMap>> {
+    if (rows.length === 0) return [];
+    const relationMap = await getIssueRelationSummaryMap(
+      companyId,
+      rows.map((row) => row.id),
+      dbOrTx,
+    );
+    return rows.map((row) => ({
+      ...row,
+      ...(relationMap.get(row.id) ?? { blockedBy: [], blocks: [] }),
+    }));
+  }
+
   async function assertNoBlockingCycles(
     companyId: string,
     issueId: string,
@@ -4960,7 +4977,7 @@ export function issueService(db: Db) {
         actorUserId,
         ...issueData
       } = data;
-      const child = await issueService(db).create(parent.companyId, {
+      let child = await issueService(db).create(parent.companyId, {
         ...issueData,
         parentId: parent.id,
         projectId: issueData.projectId ?? parent.projectId,
@@ -4983,6 +5000,7 @@ export function issueService(db: Db) {
           [...new Set([...existingBlockers.map((row) => row.blockerIssueId), child.id])],
           { agentId: actorAgentId ?? null, userId: actorUserId ?? null },
         );
+        [child] = await withIssueRelationSummaries(parent.companyId, [child], db);
       }
 
       return {
@@ -5484,7 +5502,8 @@ export function issueService(db: Db) {
           );
         }
         const [enriched] = await withIssueLabels(tx, [issue]);
-        return enriched;
+        const [withRelations] = await withIssueRelationSummaries(companyId, [enriched], tx);
+        return withRelations;
       });
     },