[+] add app component for transform

1. use FastAPI Depends to initialize
    Summarizer once for the whole transform app;

deps/test-task-2025-07-17-v2/python/online/fxreader/pr34/test_task_2025_07_17_v2/transform/app.py

@@ -0,0 +1,31 @@
+import fastapi
+
+from . import views
+from .worker import Summarizer
+
+from typing import (Annotated,)
+
+async def create_summarizer(
+) -> Summarizer:
+	return Summarizer()
+
+async def summarizer_dependency(
+	summarizer: Annotated[
+		Summarizer, fastapi.Depends(create_summarizer)
+	]
+) -> None:
+	pass
+
+def get_app_router() -> fastapi.APIRouter:
+	router = fastapi.APIRouter(
+		dependencies=[
+			fastapi.Depends(summarizer_dependency,)
+		]
+	)
+
+	router.include_router(
+		views.router,
+		prefix='',
+	)
+
+	return router

deps/test-task-2025-07-17-v2/python/online/fxreader/pr34/test_task_2025_07_17_v2/transform/views.py

@@ -12,7 +12,7 @@ async def summarize(
 		list[str],
 		fastapi.Body(),
 	],
-	summarizer: Summarizer
+	summarizer: Summarizer,
 ) -> schema.Summary:
 	return schema.Summary(
 		data=summarizer.summarize(