fix: keep host plugin registry out of live Docker state

test/scripts/live-docker-stage.test.ts

@@ -0,0 +1,18 @@
+import { readFileSync } from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { describe, expect, it } from "vitest";
+
+const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
+const stageScriptPath = path.join(repoRoot, "scripts/lib/live-docker-stage.sh");
+
+describe("live Docker state staging", () => {
+  it("keeps host-only generated registry state out of the container copy", () => {
+    const script = readFileSync(stageScriptPath, "utf8");
+
+    expect(script).toContain("--exclude=workspace");
+    expect(script).toContain("--exclude=sandboxes");
+    expect(script).toContain("--exclude=plugins/installs.json");
+    expect(script).toContain("host-absolute paths");
+  });
+});