test(FN-4592): complete Step 2 — cover unpause clearing userPaused

Fusion-Task-Id: FN-4592
Fusion-Task-Lineage: b013a15e-7cd9-4ba4-b380-22627cefb394

packages/dashboard/src/routes/__tests__/register-task-workflow-routes.unpause.test.ts

@@ -0,0 +1,51 @@
+// @vitest-environment node
+
+import { describe, it, expect, vi } from "vitest";
+import express from "express";
+import type { TaskStore } from "@fusion/core";
+import { createApiRoutes } from "../../routes.js";
+import { request as REQUEST } from "../../test-request.js";
+
+describe("task workflow unpause route", () => {
+  it("clears userPaused latch for todo user-paused tasks", async () => {
+    let taskState = {
+      id: "FN-001",
+      description: "todo parked task",
+      column: "todo",
+      dependencies: [],
+      steps: [],
+      currentStep: 0,
+      log: [],
+      createdAt: "2026-05-15T00:00:00.000Z",
+      updatedAt: "2026-05-15T00:00:00.000Z",
+      paused: undefined,
+      userPaused: true,
+    } as any;
+
+    const store: TaskStore = {
+      getRootDir: vi.fn(() => process.cwd()),
+      getTask: vi.fn(async () => taskState),
+      pauseTask: vi.fn(async (_id: string, paused: boolean) => {
+        taskState = {
+          ...taskState,
+          paused: paused ? true : undefined,
+          userPaused: paused ? taskState.userPaused : undefined,
+        };
+        return taskState;
+      }),
+    } as unknown as TaskStore;
+
+    const app = express();
+    app.use(express.json());
+    app.use("/api", createApiRoutes(store));
+
+    const res = await REQUEST(app, "POST", "/api/tasks/FN-001/unpause", JSON.stringify({}), {
+      "content-type": "application/json",
+    });
+
+    expect(res.status).toBe(200);
+    expect(taskState.userPaused).toBeUndefined();
+    expect(taskState.userPaused === true).toBe(false);
+    expect(store.pauseTask).toHaveBeenCalledWith("FN-001", false);
+  });
+});