feat(realestate): 내부 인증 + naver 워커 targets 엔드포인트 + nginx internal 블록

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EqCYBhvTcdeCTUDX3RhWx9

realestate-lab/app/main.py

@@ -29,6 +29,7 @@ from .models import (
     AnnouncementCreate, AnnouncementUpdate, ProfileUpdate,
     ListingCriteriaUpdate, SafetyCheckRequest, BudgetRequest,
 )
+from .internal_router import router as internal_router
 
 logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(name)s] %(levelname)s %(message)s")
 logger = logging.getLogger("realestate-lab")
@@ -96,6 +97,7 @@ async def lifespan(app: FastAPI):
 
 app = FastAPI(lifespan=lifespan)
 install_access_log(app)
+app.include_router(internal_router)
 
 _cors_origins = os.getenv("CORS_ALLOW_ORIGINS", "http://localhost:3007,http://localhost:8080").split(",")
 app.add_middleware(