feat(desktop): more e2e tests (#13975)

packages/app/e2e/prompt/prompt-drop-file-uri.spec.ts

@@ -0,0 +1,22 @@
+import { test, expect } from "../fixtures"
+import { promptSelector } from "../selectors"
+
+test("dropping text/plain file: uri inserts a file pill", async ({ page, gotoSession }) => {
+  await gotoSession()
+
+  const prompt = page.locator(promptSelector)
+  await prompt.click()
+
+  const path = process.platform === "win32" ? "C:\\opencode-e2e-drop.txt" : "/tmp/opencode-e2e-drop.txt"
+  const dt = await page.evaluateHandle((text) => {
+    const dt = new DataTransfer()
+    dt.setData("text/plain", text)
+    return dt
+  }, `file:${path}`)
+
+  await page.dispatchEvent("body", "drop", { dataTransfer: dt })
+
+  const pill = page.locator(`${promptSelector} [data-type="file"]`).first()
+  await expect(pill).toBeVisible()
+  await expect(pill).toHaveAttribute("data-path", path)
+})