feat: implement in-memory log buffer, add ICP-Brasil seal assets, and improve SDK parameter handling

modules/cybercore-ui/src/main/java/br/com/cybercore/signer/ui/components/CertificateCardNode.java

@@ -38,17 +38,16 @@ public final class CertificateCardNode extends VBox {
         HBox topRow = new HBox(10);
         topRow.setAlignment(Pos.CENTER_LEFT);
 
-        Label titleLabel = new Label(certificate.commonName() != null ? certificate.commonName() : certificate.alias());
+        String rawName = certificate.commonName() != null ? certificate.commonName() : certificate.alias();
+        String cleanTitle = rawName != null && rawName.contains(":") ? rawName.split(":")[0].trim() : (rawName != null ? rawName.trim() : "Certificado Digital");
+        Label titleLabel = new Label(cleanTitle);
         titleLabel.getStyleClass().add("cert-title");
         HBox.setHgrow(titleLabel, Priority.ALWAYS);
 
-        Label badgeLabel = new Label();
+        Label badgeLabel = new Label("[" + certificate.type().getCode() + "]");
         if (certificate.type() == CertificateType.A1) {
-            badgeLabel.setText("A1 • Certificado local");
             badgeLabel.getStyleClass().add("cert-badge-a1");
         } else {
-            String tokenDesc = certificate.hardwareDeviceName() != null ? certificate.hardwareDeviceName() : "Token USB";
-            badgeLabel.setText("A3 • " + tokenDesc);
             badgeLabel.getStyleClass().add("cert-badge-a3");
         }
 

modules/cybercore-ui/src/main/java/br/com/cybercore/signer/ui/view/LogsViewerDialog.java

@@ -57,24 +57,43 @@ public final class LogsViewerDialog {
         txtLogs.getStyleClass().add("log-console-area");
         VBox.setVgrow(txtLogs, Priority.ALWAYS);
 
-        loadInitialLogs();
+        loadLogs();
 
         HBox footer = new HBox(10);
         footer.setAlignment(Pos.CENTER_RIGHT);
 
+        Button btnCopy = new Button("Copiar");
+        btnCopy.getStyleClass().addAll("btn-secondary", "btn-dialog");
+        btnCopy.setPrefWidth(90);
+        btnCopy.setOnAction(e -> {
+            javafx.scene.input.ClipboardContent content = new javafx.scene.input.ClipboardContent();
+            content.putString(txtLogs.getText());
+            javafx.scene.input.Clipboard.getSystemClipboard().setContent(content);
+            btnCopy.setText("✓ Copiado");
+            javafx.animation.PauseTransition pause = new javafx.animation.PauseTransition(javafx.util.Duration.seconds(2));
+            pause.setOnFinished(ev -> btnCopy.setText("Copiar"));
+            pause.play();
+        });
+
+        Button btnClear = new Button("Limpar");
+        btnClear.getStyleClass().addAll("btn-secondary", "btn-dialog");
+        btnClear.setPrefWidth(90);
+        btnClear.setOnAction(e -> {
+            br.com.cybercore.signer.core.log.AppLogBuffer.clear();
+            loadLogs();
+        });
+
         Button btnRefresh = new Button("Atualizar");
         btnRefresh.getStyleClass().addAll("btn-secondary", "btn-dialog");
-        btnRefresh.setPrefWidth(110);
-        btnRefresh.setMinWidth(110);
-        btnRefresh.setOnAction(e -> loadInitialLogs());
+        btnRefresh.setPrefWidth(100);
+        btnRefresh.setOnAction(e -> loadLogs());
 
         Button btnClose = new Button(" Fechar", SvgIcons.closeIcon(13));
         btnClose.getStyleClass().addAll("btn-secondary", "btn-dialog");
-        btnClose.setPrefWidth(110);
-        btnClose.setMinWidth(110);
+        btnClose.setPrefWidth(100);
         btnClose.setOnAction(e -> stage.close());
 
-        footer.getChildren().addAll(btnRefresh, btnClose);
+        footer.getChildren().addAll(btnCopy, btnClear, btnRefresh, btnClose);
 
         root.getChildren().addAll(header, txtLogs, footer);
 
@@ -84,15 +103,15 @@ public final class LogsViewerDialog {
         stage.setScene(scene);
     }
 
-    private void loadInitialLogs() {
-        String now = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
-        String sb = "[" + now + "] [INFO] CyberCore Signer inicializado com sucesso.\n" +
-                "[" + now + "] [INFO] Servidor local CCSP/1 escutando em http://127.0.0.1:21325\n" +
-                "[" + now + "] [INFO] Provedores criptográficos registrados: Windows Certificate Store, PKCS#12, PKCS#11.\n" +
-                "[" + now + "] [INFO] SmartCardWatcher ativo (monitoramento de tokens USB e Smart Cards ICP-Brasil).\n" +
-                "[" + now + "] [INFO] Política anti-replay: nonces protegidos em memória.\n" +
-                "[" + now + "] [INFO] Registro de aplicações web ativo e pronto para autorização segura.\n";
-        txtLogs.setText(sb);
+    private void loadLogs() {
+        java.util.List<String> logs = br.com.cybercore.signer.core.log.AppLogBuffer.getLogs();
+        if (logs.isEmpty()) {
+            txtLogs.setText("[Aguardando eventos de log...]");
+        } else {
+            txtLogs.setText(String.join("\n", logs) + "\n");
+        }
+        txtLogs.positionCaret(txtLogs.getText().length());
+        txtLogs.setScrollTop(Double.MAX_VALUE);
     }
 
     private VBox createHeaderLabel(String title, String subtitle) {

modules/cybercore-ui/src/main/java/br/com/cybercore/signer/ui/view/SignaturePromptDialog.java

@@ -106,9 +106,24 @@ public class SignaturePromptDialog {
             }
             addField(grid, row++, "Operação:", "Assinatura Digital (Digest)");
         }
-        addField(grid, row++, "Certificado:", cert.commonName() != null ? cert.commonName() : cert.alias());
-        addField(grid, row++, "Tipo / Dispositivo:", cert.type().getCode() + " • " +
-                (cert.hardwareDeviceName() != null ? cert.hardwareDeviceName() : cert.type().getLabel()));
+        String rawCertName = cert.commonName() != null ? cert.commonName() : cert.alias();
+        String holderName = rawCertName.contains(":") ? rawCertName.split(":")[0].trim() : rawCertName.trim();
+        String docInfo = "";
+        if (cert.cnpj() != null && !cert.cnpj().isBlank()) {
+            docInfo = ", CNPJ " + cert.cnpj();
+        } else if (cert.cpf() != null && !cert.cpf().isBlank()) {
+            docInfo = ", CPF " + cert.cpf();
+        } else if (rawCertName.contains(":")) {
+            String candidate = rawCertName.split(":")[1].trim();
+            if (candidate.length() == 14) {
+                docInfo = ", CNPJ " + candidate;
+            } else if (candidate.length() == 11) {
+                docInfo = ", CPF " + candidate;
+            }
+        }
+        String certDesc = holderName + docInfo + " [" + cert.type().getCode() + "]";
+        addField(grid, row++, "Certificado:", certDesc);
+        addField(grid, row++, "Tipo:", cert.type().getCode() + " (" + cert.type().getLabel() + ")");
         addField(grid, row++, "Algoritmo:", context.algorithm());
 
         detailsBox.getChildren().add(grid);

modules/cybercore-ui/src/main/resources/assets/icons/seal-icp-brasil.svg

@@ -0,0 +1,15 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 54" width="36" height="54">
+  <!-- Escudo Criptográfico Vetorial ICP-Brasil -->
+  <path d="M18 4 L32 9 V24 C32 37 25 46 18 50 C11 46 4 37 4 24 V9 Z" fill="#0d47a1" opacity="0.14"/>
+  <path d="M18 4 L32 9 V24 C32 37 25 46 18 50 C11 46 4 37 4 24 V9 Z" fill="none" stroke="#0d47a1" stroke-width="2.2" stroke-linejoin="round"/>
+  
+  <!-- Corpo do Cadeado de Segurança -->
+  <rect x="11" y="24" width="14" height="12" rx="2.5" fill="#0284c7"/>
+  
+  <!-- Arco Superior do Cadeado -->
+  <path d="M13.5 24 V19 C13.5 16.5 15.5 14.5 18 14.5 C20.5 14.5 22.5 16.5 22.5 19 V24" fill="none" stroke="#0284c7" stroke-width="2.2" stroke-linecap="round"/>
+  
+  <!-- Orifício da Chave -->
+  <circle cx="18" cy="29" r="1.6" fill="#ffffff"/>
+  <path d="M17.3 29.5 L18.7 29.5 L19.2 33 L16.8 33 Z" fill="#ffffff"/>
+</svg>