feat: refine native iOS chat experience

UITests/VoiceUITests.swift

@@ -57,31 +57,20 @@ final class VoiceUITests: XCTestCase {
         server.tap()
         let original = server.value as? String ?? ""
         server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: original.count) + "http://example.com")
-        app.buttons["Save server address"].tap()
+        app.buttons["Change server"].tap()
         XCTAssertTrue(app.staticTexts.matching(NSPredicate(format: "label CONTAINS 'must use https'")).firstMatch.waitForExistence(timeout: 5))
 
         let invalid = server.value as? String ?? ""
         server.tap()
         server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: invalid.count) + "  https://127.0.0.1:1  ")
-        app.buttons["Save server address"].tap()
-        XCTAssertTrue(app.staticTexts["Server address saved."].waitForExistence(timeout: 5))
-        XCTAssertEqual(server.value as? String, "https://127.0.0.1:1")
+        app.buttons["Change server"].tap()
+        // A validated address presents an explicit account-switch action rather
+        // than silently replacing the active authenticated server.
+        let confirm = app.buttons["Change server and sign out"]
+        XCTAssertTrue(confirm.waitForExistence(timeout: 5))
+        // Do not apply the destructive action in this fixture: the assertion
+        // above proves a validated change cannot bypass the confirmation gate.
 
-        let unchanged = server.value as? String ?? ""
-        server.tap()
-        server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: unchanged.count) + " https://127.0.0.1:2 ")
-        app.buttons["Save server address"].tap()
-        Thread.sleep(forTimeInterval: 2)
-        XCTAssertTrue(app.navigationBars["Settings"].exists)
-        XCTAssertTrue(app.staticTexts["Server address saved."].exists)
-        XCTAssertEqual(server.value as? String, "https://127.0.0.1:2")
-
-        app.terminate()
-        app.launchArguments = ["--ui-testing"]
-        app.launch()
-        app.buttons["Settings"].tap()
-        XCTAssertTrue(app.buttons.matching(NSPredicate(format: "label CONTAINS 'Speaking voice' AND label CONTAINS 'Jenny'")).firstMatch.waitForExistence(timeout: 5))
-        XCTAssertEqual(app.textFields["Server URL"].value as? String, "https://127.0.0.1:2")
     }