fix: Include local fallback tools in generateToolsMarkdown API

dap-gateway/src/main/java/io/shinhanlife/dap/mcg/presentation/McpRouterController.java

@@ -112,9 +112,7 @@ public class McpRouterController {
         }
     }
 
-    @GetMapping("/tools/list")
-    public ResponseEntity<JsonRpcResponse> listTools(
-            @RequestParam(value = "categoryKey", required = false) String categoryKey) {
+    private List<ToolMetadata> fetchAllActiveTools() {
         List<ToolMetadata> activeTools = redisRegistryService.getAllTools()
                 .stream()
                 .filter(ToolMetadata::getVisible)
@@ -148,6 +146,14 @@ public class McpRouterController {
                 log.warn("Failed to fetch local tools from fallback URL: {}", url);
             }
         }
+        return activeTools;
+    }
+
+    @GetMapping("/tools/list")
+    public ResponseEntity<JsonRpcResponse> listTools(
+            @RequestParam(value = "categoryKey", required = false) String categoryKey) {
+        
+        List<ToolMetadata> activeTools = fetchAllActiveTools();
         
         if (categoryKey != null && !categoryKey.trim().isEmpty()) {
             activeTools = activeTools.stream()
@@ -161,12 +167,10 @@ public class McpRouterController {
         
         return ResponseEntity.ok(response);
     }
+
     @GetMapping(value = "/tools/docs/markdown", produces = "text/markdown;charset=UTF-8")
     public ResponseEntity<String> generateToolsMarkdown() {
-        List<ToolMetadata> tools = redisRegistryService.getAllTools()
-                .stream()
-                .filter(ToolMetadata::getVisible)
-                .collect(Collectors.toList());
+        List<ToolMetadata> tools = fetchAllActiveTools();
         
         StringBuilder md = new StringBuilder();
         md.append("# \uD83E\uDD16 Shinhan AI Tool Catalog\n\n");