fix: synology py38 compatibility and KIS validation deps

.gitea/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
           fi
 
           "$VENV/bin/pip" install --upgrade pip --quiet
-          "$VENV/bin/pip" install pyyaml openpyxl --quiet
+          "$VENV/bin/pip" install requests pyyaml openpyxl --quiet
 
           # 오래된 venv 정리 (최근 2개만 유지)
           ls -dt "$VENV_BASE"/*/ 2>/dev/null | tail -n +3 | xargs rm -rf 2>/dev/null || true
@@ -103,8 +103,8 @@ jobs:
 
     - name: "[CRITICAL] Validate KIS API Credentials (mock)"
       env:
-        KIS_APP_Key_TEST: ${{ secrets.KIS_APP_KEY_TEST }}
-        KIS_APP_Secret_TEST: ${{ secrets.KIS_APP_SECRET_TEST }}
+        KIS_APP_Key_TEST: ${{ vars.KIS_APP_KEY_TEST }}
+        KIS_APP_Secret_TEST: ${{ vars.KIS_APP_SECRET_TEST }}
       run: python3 tools/validate_kis_api_credentials_v1.py --account mock --ticker 005930
 
     - name: Validate Specs