diff --git a/packages/dashboard/app/styles.css b/packages/dashboard/app/styles.css
index 27f06b5fc..3cad2dc9f 100644
--- a/packages/dashboard/app/styles.css
+++ b/packages/dashboard/app/styles.css
@@ -175,6 +175,18 @@ html {
   --xsmall-breakpoint: 640px;
 }
 
+/* Global spinner animation — used by 25+ components via className="animate-spin"
+   or inline animation: "spin ...". Must live at the stylesheet top level (not
+   inside any selector block) so the keyframes and utility class are available
+   before any task cards are loaded. */
+@keyframes spin {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+.animate-spin {
+  animation: spin 1s linear infinite;
+}
+
 :root {
   --bg: #0d1117;
   --surface: #161b22;
diff --git a/packages/engine/src/runtimes/__tests__/in-process-runtime.test.ts b/packages/engine/src/runtimes/__tests__/in-process-runtime.test.ts
index e1ac70313..c2e2bea2e 100644
--- a/packages/engine/src/runtimes/__tests__/in-process-runtime.test.ts
+++ b/packages/engine/src/runtimes/__tests__/in-process-runtime.test.ts
@@ -57,6 +57,7 @@ vi.mock("@fusion/core", async () => {
       self.getTask = mockTaskStoreGetTask;
       self.getSettings = vi.fn().mockImplementation(async () => structuredClone(mockTaskStoreSettings));
       self.getMissionStore = vi.fn().mockReturnValue({
+        listMissions: vi.fn().mockReturnValue([]),
         getMissionWithHierarchy: vi.fn().mockReturnValue(null),
         findNextPendingSlice: vi.fn().mockReturnValue(null),
         activateSlice: vi.fn(),