diff --git a/app/database/session.py b/app/database/session.py
index 6b914b3..8988c91 100644
--- a/app/database/session.py
+++ b/app/database/session.py
@@ -6,6 +6,8 @@ from fastapi import HTTPException
 from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
 from sqlalchemy.orm import DeclarativeBase
 
+from app.dashboard.exceptions import DashboardException
+from app.social.exceptions import SocialException
 from app.utils.logger import get_logger
 from config import db_settings
 
@@ -137,6 +139,16 @@ async def get_session() -> AsyncGenerator[AsyncSession, None]:
             yield session
         except HTTPException:
             raise
+        except (SocialException, DashboardException) as e:
+            # 전역 exception handler가 응답으로 변환하는 도메인 예외.
+            # 정상 플로우이므로 ERROR traceback 없이 롤백만 수행.
+            await session.rollback()
+            logger.warning(
+                f"[get_session] ROLLBACK - handled domain error: "
+                f"{type(e).__name__}: {e}, "
+                f"duration: {(time.perf_counter() - start_time)*1000:.1f}ms"
+            )
+            raise
         except Exception as e:
             await session.rollback()
             logger.error(traceback.format_exc())
diff --git a/app/video/api/routers/v1/video.py b/app/video/api/routers/v1/video.py
index b59b36c..9cc465b 100644
--- a/app/video/api/routers/v1/video.py
+++ b/app/video/api/routers/v1/video.py
@@ -356,6 +356,9 @@ async def generate_video(
         creatomate_service = CreatomateService(
             orientation=orientation,
             industry=industry,
+            # 미매핑 업종(general 등)은 project_id % len(VST_LIST)로 템플릿을 분배하므로,
+            # 사전 이미지 배정 단계(creative_assets_task)와 동일 템플릿을 받으려면 필수
+            project_id=project_id,
         )
         logger.debug(
             f"[generate_video] Using template_id: {creatomate_service.template_id}, (song duration: {song_duration})"