diff --git a/packages/server/src/server/session.workspace-git-watch.test.ts b/packages/server/src/server/session.workspace-git-watch.test.ts
index c038559fce..9ebd67fa52 100644
--- a/packages/server/src/server/session.workspace-git-watch.test.ts
+++ b/packages/server/src/server/session.workspace-git-watch.test.ts
@@ -200,6 +200,7 @@ function createSessionForWorkspaceGitWatchTests(options?: {
     agentManager: createStub<SessionOptions["agentManager"]>({
       subscribe: () => () => {},
       listAgents: () => [],
+      listProviderSubagentActivity: () => [],
       getAgent: () => null,
     }),
     agentStorage: createStub<SessionOptions["agentStorage"]>({
@@ -259,6 +260,9 @@ function createSessionForWorkspaceGitWatchTests(options?: {
       dispose: () => {},
     }),
     workspaceGitService,
+    scheduleService: createStub<SessionOptions["scheduleService"]>({
+      listActiveHeartbeatActivity: async () => [],
+    }),
     mcpBaseUrl: null,
     stt: null,
     tts: null,
diff --git a/packages/server/src/server/session.workspace-resolution-invariants.test.ts b/packages/server/src/server/session.workspace-resolution-invariants.test.ts
index fdc3a8aa42..5ce87ea6e6 100644
--- a/packages/server/src/server/session.workspace-resolution-invariants.test.ts
+++ b/packages/server/src/server/session.workspace-resolution-invariants.test.ts
@@ -160,7 +160,9 @@ function createHarness(input: {
     }),
     filesystem: { isDirectory: async () => true },
     chatService: createStub<SessionOptions["chatService"]>({}),
-    scheduleService: createStub<SessionOptions["scheduleService"]>({}),
+    scheduleService: createStub<SessionOptions["scheduleService"]>({
+      listActiveHeartbeatActivity: async () => [],
+    }),
     loopService: createStub<SessionOptions["loopService"]>({}),
     checkoutDiffManager: createStub<SessionOptions["checkoutDiffManager"]>({
       subscribe: async () => ({
diff --git a/packages/server/src/server/test-utils/session-stubs.ts b/packages/server/src/server/test-utils/session-stubs.ts
index f7ddbdd95d..ad7bf2819e 100644
--- a/packages/server/src/server/test-utils/session-stubs.ts
+++ b/packages/server/src/server/test-utils/session-stubs.ts
@@ -55,7 +55,9 @@ export function asChatService(): SessionOptions["chatService"] {
 }
 
 export function asScheduleService(): SessionOptions["scheduleService"] {
-  return createStub<SessionOptions["scheduleService"]>({});
+  return createStub<SessionOptions["scheduleService"]>({
+    listActiveHeartbeatActivity: async () => [],
+  });
 }
 
 export function asLoopService(): SessionOptions["loopService"] {