feat: center square Hope presence and guide secure certificate setup

Tests/AuthTests.swift

@@ -28,6 +28,14 @@ struct AuthTests {
         config.protocolClasses = [AuthURLProtocol.self]
         return URLSession(configuration: config)
     }
+    @Test func certificateFailureHasSafeRecovery() throws {
+        let url = URL(string: "https://192.168.86.2:9178")!
+        let message = ConnectionFailure.message(URLError(.serverCertificateUntrusted), server: url)
+        #expect(message.contains("192.168.86.2"))
+        #expect(message.contains("Certificate Trust Settings"))
+        #expect(!message.contains("disable"))
+        #expect(ConnectionFailure.message(AuthError.status(401), server: url).contains("username and password"))
+    }
     @Test func canonicalOriginsAndSecureIPv6() throws {
         let parsed = try config(" HTTPS://EXAMPLE.COM:443/path ")
         #expect(parsed.baseURL.absoluteString == "https://example.com")