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

modules/cybercore-app/src/main/java/br/com/cybercore/signer/app/log/InMemoryLogAppender.java

@@ -0,0 +1,41 @@
+package br.com.cybercore.signer.app.log;
+
+import br.com.cybercore.signer.core.log.AppLogBuffer;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.AppenderBase;
+
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Appender do Logback que intercepta eventos reais de log e os encaminha para o buffer em memória.
+ */
+public class InMemoryLogAppender extends AppenderBase<ILoggingEvent> {
+
+    private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
+
+    @Override
+    protected void append(ILoggingEvent eventObject) {
+        if (eventObject == null) return;
+
+        LocalDateTime time = LocalDateTime.ofInstant(
+                Instant.ofEpochMilli(eventObject.getTimeStamp()),
+                ZoneId.systemDefault()
+        );
+        String timestamp = time.format(FORMATTER);
+        String level = eventObject.getLevel().toString();
+        String loggerName = eventObject.getLoggerName();
+        if (loggerName != null && loggerName.length() > 30) {
+            int lastDot = loggerName.lastIndexOf('.');
+            if (lastDot > 0) {
+                loggerName = loggerName.substring(lastDot + 1);
+            }
+        }
+        String message = eventObject.getFormattedMessage();
+
+        String line = String.format("[%s] [%s] %s - %s", timestamp, level, loggerName, message);
+        AppLogBuffer.append(line);
+    }
+}

modules/cybercore-app/src/main/resources/logback.xml

@@ -6,8 +6,11 @@
         </encoder>
     </appender>
 
+    <appender name="MEMORY" class="br.com.cybercore.signer.app.log.InMemoryLogAppender" />
+
     <root level="INFO">
         <appender-ref ref="CONSOLE" />
+        <appender-ref ref="MEMORY" />
     </root>
 
     <logger name="br.com.cybercore.signer" level="DEBUG" />