McpFunction에 MCP 표준 힌트 4개 추가

dap-gateway/src/main/java/io/shinhanlife/dap/biz/mcp/gateway/dto/ToolMetadata.java

@@ -71,6 +71,18 @@ public class ToolMetadata {
     @Builder.Default
     private Boolean requiresApproval = false;
 
+    @Builder.Default
+    private Boolean readOnlyHint = false;
+
+    @Builder.Default
+    private Boolean destructiveHint = false;
+
+    @Builder.Default
+    private Boolean idempotentHint = false;
+
+    @Builder.Default
+    private Boolean openWorldHint = false;
+
 
 
     // 3. 연동 아키텍처 구분 (DIRECT / MCI_EAI)
@@ -113,4 +125,4 @@ public class ToolMetadata {
         if (parametersSchema == null || !parametersSchema.containsKey("required")) return Set.of();
         return new HashSet<>((List<String>) parametersSchema.get("required"));
     }
-}
+}

dap-gateway/src/main/java/io/shinhanlife/dap/biz/mcp/gateway/sync/RegistryMcpToolSpecificationFactory.java

@@ -52,6 +52,12 @@ public class RegistryMcpToolSpecificationFactory {
                 .name(entry.getName())
                 .description(description(entry))
                 .inputSchema(inputSchema(entry))
+                .annotations(McpSchema.ToolAnnotations.builder()
+                        .readOnlyHint(Boolean.TRUE.equals(entry.getReadOnlyHint()))
+                        .destructiveHint(Boolean.TRUE.equals(entry.getDestructiveHint()))
+                        .idempotentHint(Boolean.TRUE.equals(entry.getIdempotentHint()))
+                        .openWorldHint(Boolean.TRUE.equals(entry.getOpenWorldHint()))
+                        .build())
                 .build();
 
         return McpServerFeatures.SyncToolSpecification.builder()