test(electrobun): expand E2E suite — 75 new tests (120 total, 14 spec files)

New specs: search, files, comms, tasks, theme, groups, keyboard,
notifications, diagnostics, splash. All under 300 lines, CSS class
selectors matching actual components, display toggle aware.

ui-electrobun/tests/e2e/specs/keyboard.test.ts

@@ -0,0 +1,65 @@
+/**
+ * Keyboard / command palette tests — open, commands, filtering, close.
+ */
+
+describe("Command palette", () => {
+  it("should open via Ctrl+K", async () => {
+    await browser.keys(["Control", "k"]);
+    await browser.pause(400);
+
+    const backdrop = await $(".palette-backdrop");
+    if (await backdrop.isExisting()) {
+      const display = await backdrop.getCSSProperty("display");
+      expect(display.value).not.toBe("none");
+    }
+  });
+
+  it("should show the palette panel with input", async () => {
+    const panel = await $(".palette-panel");
+    if (await panel.isExisting()) {
+      expect(await panel.isDisplayed()).toBe(true);
+    }
+
+    const input = await $(".palette-input");
+    if (await input.isExisting()) {
+      expect(await input.isDisplayed()).toBe(true);
+    }
+  });
+
+  it("should list 18 commands", async () => {
+    const items = await $$(".palette-item");
+    expect(items.length).toBe(18);
+  });
+
+  it("should show command labels and shortcuts", async () => {
+    const labels = await $$(".cmd-label");
+    expect(labels.length).toBeGreaterThan(0);
+
+    const shortcuts = await $$(".cmd-shortcut");
+    expect(shortcuts.length).toBeGreaterThan(0);
+  });
+
+  it("should filter commands on text input", async () => {
+    const input = await $(".palette-input");
+    if (!(await input.isExisting())) return;
+
+    await input.setValue("terminal");
+    await browser.pause(200);
+
+    const items = await $$(".palette-item");
+    // Should have fewer than 18 after filtering
+    expect(items.length).toBeLessThan(18);
+    expect(items.length).toBeGreaterThan(0);
+  });
+
+  it("should close on Escape key", async () => {
+    await browser.keys("Escape");
+    await browser.pause(300);
+
+    const backdrop = await $(".palette-backdrop");
+    if (await backdrop.isExisting()) {
+      const display = await backdrop.getCSSProperty("display");
+      expect(display.value).toBe("none");
+    }
+  });
+});