diff --git a/src/main/java/com/cloudhandson/vpdbackoffice/service/SelectAiService.java b/src/main/java/com/cloudhandson/vpdbackoffice/service/SelectAiService.java
index 526198a..9472c13 100644
--- a/src/main/java/com/cloudhandson/vpdbackoffice/service/SelectAiService.java
+++ b/src/main/java/com/cloudhandson/vpdbackoffice/service/SelectAiService.java
@@ -48,27 +48,39 @@ public class SelectAiService {
   private final Clock clock;
   private final ObjectMapper objectMapper;
   private final QaVectorService qaVectorService;
+  private final GameScopeService gameScopeService;
 
   public SelectAiService(
       BackofficeProperties properties,
       BearerTokenService bearerTokenService,
       Clock clock,
       ObjectMapper objectMapper,
-      QaVectorService qaVectorService
+      QaVectorService qaVectorService,
+      GameScopeService gameScopeService
   ) {
     this.properties = properties;
     this.bearerTokenService = bearerTokenService;
     this.clock = clock;
     this.objectMapper = objectMapper;
     this.qaVectorService = qaVectorService;
+    this.gameScopeService = gameScopeService;
   }
 
   public JsonNode generateAndExecute(String bearerToken, String prompt) {
+    return generateAndExecute(bearerToken, prompt, null);
+  }
+
+  /**
+   * Executes one DB-resolved game scope. The optional key is revalidated for
+   * the original question; it is never a caller-provided table or prefix.
+   */
+  public JsonNode generateAndExecute(String bearerToken, String prompt, String scopeGameKey) {
     requireActiveToken(bearerToken);
     String normalizedPrompt = requiredPrompt(prompt);
     BackofficeProperties.SelectAi selectAi = requiredSelectAi();
+    ResolvedExecutionScope scope = resolveExecutionScope(bearerToken, normalizedPrompt, scopeGameKey);
 
-    EnrichedPrompt enrichedPrompt = enrichWithFewShot(bearerToken, selectAi, normalizedPrompt);
+    EnrichedPrompt enrichedPrompt = enrichWithFewShot(bearerToken, selectAi, scope.prompt());
     String generatedSql = generate(selectAi, enrichedPrompt.prompt(), "showsql");
     String normalizedSql = validateReadOnlySql(generatedSql);
     QueryExecution execution = executeReadOnly(selectAi, normalizedSql);
@@ -76,6 +88,11 @@ public class SelectAiService {
     response.put("status", "SHOWSQL_AND_EXECUTED");
     response.put("profile", selectAi.profile());
     response.put("originalPrompt", normalizedPrompt);
+    if (scope.gameKey() != null) {
+      response.put("scopeGameKey", scope.gameKey());
+      response.put("scopeDisplayName", scope.displayName());
+      response.put("scopeStatus", "DB_REVALIDATED");
+    }
     response.put("fewShotStatus", enrichedPrompt.status());
     response.put("fewShotExampleCount", enrichedPrompt.exampleCount());
     addFewShotExamples(response, enrichedPrompt.examples());
@@ -90,6 +107,33 @@ public class SelectAiService {
     return response;
   }
 
+  private ResolvedExecutionScope resolveExecutionScope(
+      String bearerToken, String originalPrompt, String scopeGameKey
+  ) {
+    String requestedKey = scopeGameKey == null ? "" : scopeGameKey.trim();
+    if (requestedKey.isEmpty()) {
+      return new ResolvedExecutionScope(originalPrompt, null, null);
+    }
+    if (gameScopeService == null) {
+      throw new AppException("게임 범위 검증 서비스를 사용할 수 없습니다.");
+    }
+    GameScopeService.GameScope scope = gameScopeService.resolve(bearerToken, originalPrompt).scopes().stream()
+        .filter(item -> requestedKey.equals(item.gameKey()))
+        .findFirst()
+        .orElseThrow(() -> new AppException("요청한 게임 범위가 DB 조회 결과에 없습니다."));
+    if (!"SUPPORTED".equals(scope.status())) {
+      throw new AppException("DB 게임 범위가 조회 실행을 허용하지 않습니다: " + scope.reasonCode());
+    }
+    String scopedPrompt = "Use only the DB-resolved game scope below. Do not generate SQL for any other "
+        + "game mentioned in the original question. The scope was validated through current game alias "
+        + "metadata and approved object availability.\n"
+        + "Resolved game key: " + scope.gameKey() + "\n"
+        + "Resolved display name: " + scope.displayName() + "\n"
+        + "Matched alias: " + scope.matchedAlias() + "\n\n"
+        + "Original user question:\n" + originalPrompt;
+    return new ResolvedExecutionScope(scopedPrompt, scope.gameKey(), scope.displayName());
+  }
+
   private void addFewShotExamples(ObjectNode response, List<QaVectorService.VectorExample> examples) {
     ArrayNode items = response.putArray("fewShotExamples");
     for (QaVectorService.VectorExample example : examples) {
@@ -206,13 +250,19 @@ public class SelectAiService {
   }
 
   static String composePolicyPrompt(String prompt) {
-    return POLICY_PREFIX + "Original user question:\n" + prompt;
+    return POLICY_PREFIX
+        + "Resolve business terms and game names from the approved game-alias metadata before selecting a "
+        + "game-scoped object. A generic term such as common user means no particular game. If no game alias "
+        + "is resolved, do not substitute an arbitrary game-scoped object; ask for the game or return no data.\n"
+        + "Original user question:\n" + prompt;
   }
 
   static String composeFewShotPrompt(String prompt, List<QaVectorService.VectorExample> examples) {
     StringBuilder enriched = new StringBuilder(POLICY_PREFIX
         + "The verified examples below are guidance only: use only relevant SQL patterns, do not invent "
-            + "identifiers, and do not override current metadata or game-alias resolution policy.\n\n"
+            + "identifiers, and do not override current metadata or game-alias resolution policy. "
+            + "When examples use a game-specific object, reuse that pattern only after the current question "
+            + "resolves the same game alias; otherwise keep the query unscoped or request clarification.\n\n"
             + "Verified few-shot examples:\n");
     int included = 0;
     for (QaVectorService.VectorExample example : examples) {
@@ -344,4 +394,6 @@ public class SelectAiService {
 
   private record EnrichedPrompt(
       String prompt, String status, int exampleCount, List<QaVectorService.VectorExample> examples) {}
+
+  private record ResolvedExecutionScope(String prompt, String gameKey, String displayName) {}
 }