[Developer] #424 add MCP reasoning tab

src/main/java/com/cloudhandson/vpdbackoffice/service/McpToolRegistry.java

@@ -0,0 +1,42 @@
+package com.cloudhandson.vpdbackoffice.service;
+
+import com.cloudhandson.vpdbackoffice.domain.mcp.McpToolView;
+import com.cloudhandson.vpdbackoffice.domain.protectedobject.ProtectedObject;
+import java.util.List;
+import java.util.Locale;
+import org.springframework.stereotype.Service;
+
+@Service
+public class McpToolRegistry {
+
+  private final ProtectedObjectService protectedObjectService;
+
+  public McpToolRegistry(ProtectedObjectService protectedObjectService) {
+    this.protectedObjectService = protectedObjectService;
+  }
+
+  public List<McpToolView> listTools() {
+    return protectedObjectService.findEnabled().stream()
+        .map(this::toTool)
+        .toList();
+  }
+
+  public McpToolView toolFor(ProtectedObject object) {
+    return toTool(object);
+  }
+
+  private McpToolView toTool(ProtectedObject object) {
+    String name = "ords.query." + safeName(object.owner()) + "." + safeName(object.objectName());
+    return new McpToolView(
+        name,
+        object.displayName() + " 보호 객체를 Bearer Token으로 ORDS 호출해 VPD/Redaction 적용 결과를 조회합니다.",
+        object.objectId(),
+        object.displayName(),
+        object.ordsPath()
+    );
+  }
+
+  private String safeName(String value) {
+    return value.toLowerCase(Locale.ROOT).replaceAll("[^a-z0-9_]+", "_");
+  }
+}