feat: Reworked chunking and retrieval logic to operate on entire stories instead of chunks.

hn.py

@@ -1,3 +1,4 @@
+import asyncio
 from datetime import datetime
 
 import dateutil.parser
@@ -16,16 +17,16 @@ class Story(BaseModel):
 
 
 class HackerNewsClient:
-    def __init__(self, client: httpx.Client | None = None):
+    def __init__(self, client: httpx.AsyncClient | None = None):
         base_url = "https://hn.algolia.com/api/v1"
         if client:
             client.base_url = base_url
             self._client = client
         else:
-            self._client = httpx.Client(base_url=base_url)
+            self._client = httpx.AsyncClient(base_url=base_url)
 
-    def get_top_stories(self, limit: int = 10) -> list[Story]:
-        resp = self._client.get(
+    async def get_top_stories(self, limit: int = 10) -> list[Story]:
+        resp = await self._client.get(
             "search",
             params={"tags": "front_page", "hitsPerPage": limit, "page": 0},
         )
@@ -40,7 +41,24 @@ class HackerNewsClient:
             for hit in resp.json().get("hits", [])
         ]
 
-    def get_item(self, item_id):
-        resp = self._client.get(f"items/{item_id}")
+    async def get_item(self, item_id):
+        resp = await self._client.get(f"items/{item_id}")
         resp.raise_for_status()
         return resp.json()
+
+    async def close(self):
+        """Close the underlying HTTP client."""
+
+        if self._client and not self._client.is_closed:
+            await self._client.aclose()
+
+    def __del__(self):
+        """Ensure the HTTP client is closed when the object is deleted."""
+        try:
+            loop = asyncio.get_event_loop()
+            if loop.is_running():
+                loop.create_task(self.close())
+            else:
+                loop.run_until_complete(self.close())
+        except Exception:
+            pass