feat(FN-3193): split-pane redesign of agents workspace with mobile support

Merges FN-3122's agents workspace redesign (split-pane layout, mobile responsiveness) and FN-3193's test infrastructure stabilization. The AgentsView and AgentDetailView components received major style and layout updates, with corresponding test coverage added. Several vitest config entries were con

Fusion-Task-Id: FN-3193

plugins/fusion-plugin-openclaw-runtime/src/__tests__/runtime-adapter.test.ts

@@ -1,4 +1,5 @@
 import { describe, it, expect, vi, beforeEach } from "vitest";
+import { readFile } from "node:fs/promises";
 import { OpenClawRuntimeAdapter } from "../runtime-adapter.js";
 
 const {
@@ -48,6 +49,12 @@ describe("OpenClawRuntimeAdapter — identity", () => {
     expect(adapter.id).toBe("openclaw");
     expect(adapter.name).toBe("OpenClaw Runtime");
   });
+
+  it("uses the local pi-module seam and does not import @fusion/engine", async () => {
+    const source = await readFile(new URL("../runtime-adapter.ts", import.meta.url), "utf8");
+    expect(source).toContain('from "./pi-module.js"');
+    expect(source).not.toContain("@fusion/engine");
+  });
 });
 
 describe("OpenClawRuntimeAdapter — createSession", () => {