Skills: clean up remote node cache on disconnect

src/infra/skills-remote.test.ts

@@ -0,0 +1,36 @@
+import { randomUUID } from "node:crypto";
+import { describe, expect, it } from "vitest";
+import {
+  getRemoteSkillEligibility,
+  recordRemoteNodeBins,
+  recordRemoteNodeInfo,
+  removeRemoteNodeInfo,
+} from "./skills-remote.js";
+
+describe("skills-remote", () => {
+  it("removes disconnected nodes from remote skill eligibility", () => {
+    const nodeId = `node-${randomUUID()}`;
+    const bin = `bin-${randomUUID()}`;
+    recordRemoteNodeInfo({
+      nodeId,
+      displayName: "Remote Mac",
+      platform: "darwin",
+      commands: ["system.run"],
+    });
+    recordRemoteNodeBins(nodeId, [bin]);
+
+    expect(getRemoteSkillEligibility()?.hasBin(bin)).toBe(true);
+
+    removeRemoteNodeInfo(nodeId);
+
+    expect(getRemoteSkillEligibility()?.hasBin(bin) ?? false).toBe(false);
+  });
+
+  it("supports idempotent remote node removal", () => {
+    const nodeId = `node-${randomUUID()}`;
+    expect(() => {
+      removeRemoteNodeInfo(nodeId);
+      removeRemoteNodeInfo(nodeId);
+    }).not.toThrow();
+  });
+});