chore: recover bogota workspace state

factory/packages/frontend/src/lib/workbench.test.ts

@@ -0,0 +1,38 @@
+import { describe, expect, it } from "vitest";
+import type { HandoffWorkbenchSnapshot } from "@sandbox-agent/factory-shared";
+import { resolveRepoRouteHandoffId } from "./workbench-routing";
+
+const snapshot: HandoffWorkbenchSnapshot = {
+  workspaceId: "default",
+  repos: [
+    { id: "repo-a", label: "acme/repo-a" },
+    { id: "repo-b", label: "acme/repo-b" },
+  ],
+  projects: [],
+  handoffs: [
+    {
+      id: "handoff-a",
+      repoId: "repo-a",
+      title: "Alpha",
+      status: "idle",
+      repoName: "acme/repo-a",
+      updatedAtMs: 20,
+      branch: "feature/alpha",
+      pullRequest: null,
+      tabs: [],
+      fileChanges: [],
+      diffs: {},
+      fileTree: [],
+    },
+  ],
+};
+
+describe("resolveRepoRouteHandoffId", () => {
+  it("finds the active handoff for a repo route", () => {
+    expect(resolveRepoRouteHandoffId(snapshot, "repo-a")).toBe("handoff-a");
+  });
+
+  it("returns null when a repo has no handoff yet", () => {
+    expect(resolveRepoRouteHandoffId(snapshot, "repo-b")).toBeNull();
+  });
+});