feat: apply pink Opal design with reactive square persona

UITests/VoiceUITests.swift

@@ -15,6 +15,7 @@ final class VoiceUITests: XCTestCase {
         app.launchArguments.append("--ui-fixtures")
         app.launch()
         XCTAssertTrue(app.staticTexts["Help me plan a quiet weekend."].waitForExistence(timeout: 10))
+        app.buttons["Account"].tap()
         app.buttons["Sign out"].tap()
         XCTAssertTrue(app.secureTextFields["Password"].waitForExistence(timeout: 10))
         let username = app.textFields["Username"]
@@ -132,6 +133,23 @@ final class VoiceUITests: XCTestCase {
         capture("Accessibility text size")
     }
 
+    func testOpalPromptPreparesEditableDraftWithoutConnecting() {
+        app.launch()
+        XCTAssertTrue(app.staticTexts["A little room for you,"].waitForExistence(timeout: 10))
+        app.buttons["Explore an idea"].tap()
+        let draft = app.textFields["Message Hope"]
+        XCTAssertTrue(draft.waitForExistence(timeout: 5))
+        XCTAssertEqual(draft.value as? String, "Help me explore an idea.")
+        draft.tap()
+        draft.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: "Help me explore an idea.".count))
+        XCTAssertTrue(draft.exists)
+        draft.typeText("My own thought")
+        XCTAssertEqual(draft.value as? String, "My own thought")
+        XCTAssertTrue(app.buttons["Start chatting"].exists)
+        XCTAssertTrue(app.staticTexts["Your microphone stays off."].exists)
+        capture("Opal editable prompt")
+    }
+
     private func capture(_ name: String) {
         let attachment = XCTAttachment(screenshot: app.screenshot())
         attachment.name = name