fix: retry failed or blocked plugins on restart instead of leaving them disabled

src/backend/tests/plugins/boot-state.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from "vitest";
+import { startablePluginIds } from "../../plugins/boot-state.js";
+
+describe("startablePluginIds", () => {
+  it("starts enabled plugins and retries ones that failed or were blocked", () => {
+    const ids = startablePluginIds([
+      { id: "a", state: "enabled" },
+      { id: "b", state: "failed" },
+      { id: "c", state: "blocked" },
+      { id: "d", state: "disabled" },
+      { id: "e", state: "pending" },
+    ]);
+    expect([...ids].sort()).toEqual(["a", "b", "c"]);
+  });
+});