Add cross-browser popup status handling

tests/settings.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from "vitest";
+import { setDefinitionPaused } from "../src/shared/settings";
+import { DEFAULT_SETTINGS } from "../src/shared/types";
+
+describe("definition pause settings", () => {
+  it("adds and removes a definition ID without disturbing other settings", () => {
+    const settings = setDefinitionPaused({ ...DEFAULT_SETTINGS, threshold: .65 }, "mastodon", true);
+    expect(settings.disabledDefinitionIds).toEqual(["mastodon"]);
+    expect(settings.threshold).toBe(.65);
+
+    const resumed = setDefinitionPaused(settings, "mastodon", false);
+    expect(resumed.disabledDefinitionIds).toEqual([]);
+    expect(resumed.threshold).toBe(.65);
+  });
+
+  it("does not duplicate an already paused definition", () => {
+    const settings = setDefinitionPaused({ ...DEFAULT_SETTINGS, disabledDefinitionIds: ["mastodon"] }, "mastodon", true);
+    expect(settings.disabledDefinitionIds).toEqual(["mastodon"]);
+  });
+});