fix: align pod manifest scaffold schema

dat-gateway/src/main/java/io/shinhanlife/dat/mcg/presentation/ScaffoldingController.java

@@ -92,9 +92,16 @@ public class ScaffoldingController {
             String prompt = """
                     Generate only YAML for an MCP tool service manifest.
                     The root must be mcp.manifest.routing-functions with one routing function.
-                    Include name, description, server-id, category-key, product-boundary, business-domain,
+                    Include name, server-id, category-key, product-boundary, business-domain,
                     business-outcome, primary-entities, capabilities, select-if, reject-if,
-                    confidence-server-ids, and decision-policy.
+                    confusable-servers, decision-policy, and description-serialization.
+                    Except for machine identifiers and YAML keys (name, server-id, category-key), write every value in Korean.
+                    The routing function name must be exactly route_to_<moduleName>, preserving hyphens (for example route_to_dat-was-cus).
+                    description_serialization is the Korean tool description generated from business-outcome and decision-policy;
+                    do not put JSON, MCP tags, or implementation instructions inside description_serialization.
+                    confusable-servers must contain only other plausible target server IDs and must never contain the current server-id.
+                    descriptions, business domains, outcomes, entities, capabilities, selection/rejection rules,
+                    and decision policy must all be natural and specific Korean text.
                     Use valid YAML only, without Markdown fences or explanations.
                     Pod module: %s
                     Business description: %s

dat-gateway/src/main/resources/static/admin/scaffold.html

@@ -843,7 +843,7 @@
                             <label class="form-label">Pod 업무 설명</label>
                             <textarea class="form-control" name="podDescription" id="podDescription" rows="3" placeholder="예: 보험 계약과 보험금 지급을 처리하는 처리계 서버"></textarea>
                             <div class="d-flex justify-content-between align-items-center mt-2">
-                                <div class="input-hint">설명을 입력하면 AI가 tool-service-manifest.yml 초안을 작성합니다.</div>
+                                <div class="input-hint">설명을 입력하면 AI가 한국어 업무 내용으로 tool-service-manifest.yml 초안을 작성합니다.</div>
                                 <div class="d-flex gap-2 align-items-center">
                                     <select id="podAiModelSelect" class="form-select" aria-label="Pod Manifest AI 모델 선택" style="width:220px;">
                                         <optgroup label="[신한라이프 내부망]"><option value="Qwen3-Coder" selected>Qwen3-Coder</option><option value="Gemma-4-31B">Gemma-4-31B</option></optgroup>

dat-was-lib/src/main/java/io/shinhanlife/dat/lib/util/PodScaffolder.java

@@ -393,7 +393,7 @@ public class PodScaffolder {
               manifest:
                 routing-functions:
                   - name: route_to_%s
-                    description: %s 업무 서버로 요청을 라우팅합니다.
+                    description-serialization: %s 업무 서버로 요청을 라우팅합니다. %s 관련 업무를 처리합니다. 요청의 주요 업무 영역을 기준으로 서버를 선택합니다.
                     server-id: %s
                     category-key: %s
                     product-boundary: insurance
@@ -403,9 +403,9 @@ public class PodScaffolder {
                     capabilities: []
                     select-if: %s 관련 요청인 경우
                     reject-if: 다른 업무 영역이 주된 요청인 경우
-                    confidence-server-ids: [%s]
+                    confusable-servers: []
                     decision-policy: 요청의 주요 업무 영역을 기준으로 서버를 선택합니다.
-            """.formatted(moduleName.replace("-", "_"), key, moduleName, key, key, key, key, moduleName);
+            """.formatted(moduleName, key, key, moduleName, key, key, key, key);
     }
 
     private static String capitalize(String str) {