Add restore-mode task launch flow

backend/apps/news_service.py

@@ -6,15 +6,15 @@ from __future__ import annotations
 from typing import Any
 
 from fastapi import Depends, FastAPI, Query
-from fastapi.middleware.cors import CORSMiddleware
+from backend.apps.cors import add_cors_middleware
 
 from backend.data.market_store import MarketStore
 from backend.domains import news as news_domain
 
 
 def get_market_store() -> MarketStore:
-    """Create a market store dependency."""
-    return MarketStore()
+    """Get the MarketStore singleton dependency."""
+    return MarketStore.get_instance()
 
 
 def create_app() -> FastAPI:
@@ -25,13 +25,7 @@ def create_app() -> FastAPI:
         version="0.1.0",
     )
 
-    app.add_middleware(
-        CORSMiddleware,
-        allow_origins=["*"],
-        allow_credentials=True,
-        allow_methods=["*"],
-        allow_headers=["*"],
-    )
+    add_cors_middleware(app)
 
     @app.get("/health")
     async def health_check() -> dict[str, str]:
@@ -51,6 +45,7 @@ def create_app() -> FastAPI:
             start_date=start_date,
             end_date=end_date,
             limit=limit,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/news-for-date")
@@ -65,6 +60,7 @@ def create_app() -> FastAPI:
             ticker=ticker,
             date=date,
             limit=limit,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/news-timeline")
@@ -79,6 +75,7 @@ def create_app() -> FastAPI:
             ticker=ticker,
             start_date=start_date,
             end_date=end_date,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/categories")
@@ -95,6 +92,7 @@ def create_app() -> FastAPI:
             start_date=start_date,
             end_date=end_date,
             limit=limit,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/similar-days")
@@ -109,6 +107,7 @@ def create_app() -> FastAPI:
             ticker=ticker,
             date=date,
             n_similar=n_similar,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/stories/{ticker}")
@@ -121,6 +120,7 @@ def create_app() -> FastAPI:
             store,
             ticker=ticker,
             as_of_date=as_of_date,
+            refresh_if_stale=False,
         )
 
     @app.get("/api/range-explain")
@@ -139,6 +139,7 @@ def create_app() -> FastAPI:
             end_date=end_date,
             article_ids=article_ids,
             limit=limit,
+            refresh_if_stale=False,
         )
 
     return app