feat: extend RSS item retention from 14 to 90 days

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/fabledassistant/services/rss.py

@@ -14,7 +14,7 @@ logger = logging.getLogger(__name__)
 
 CONTENT_MAX_CHARS = 2000
 # Keep only items from the last N days to avoid unbounded growth
-ITEM_MAX_AGE_DAYS = 14
+ITEM_MAX_AGE_DAYS = 90
 
 
 def extract_item(entry) -> dict:
@@ -135,7 +135,7 @@ async def _prune_old_items(feed_id: int) -> None:
             text("""
                 DELETE FROM rss_items
                 WHERE feed_id = :feed_id
-                  AND published_at < NOW() - INTERVAL '14 days'
+                  AND published_at < NOW() - INTERVAL '90 days'
             """).bindparams(feed_id=feed_id)
         )
         await session.commit()

tests/test_news_api.py

@@ -0,0 +1,86 @@
+"""Tests for news API — retention constant and endpoint formatting."""
+import pytest
+from unittest.mock import AsyncMock, MagicMock
+from datetime import datetime, timezone
+
+
+def test_rss_item_max_age_is_90_days():
+    """Retention window should be 90 days."""
+    from fabledassistant.services.rss import ITEM_MAX_AGE_DAYS
+
+    assert ITEM_MAX_AGE_DAYS == 90
+
+
+def _make_mock_session(rows):
+    """Return a mock async context manager whose session.execute returns rows."""
+    mock_result = MagicMock()
+    mock_result.mappings.return_value.all.return_value = rows
+
+    mock_session = AsyncMock()
+    mock_session.execute = AsyncMock(return_value=mock_result)
+
+    mock_cm = MagicMock()
+    mock_cm.__aenter__ = AsyncMock(return_value=mock_session)
+    mock_cm.__aexit__ = AsyncMock(return_value=False)
+    return mock_cm
+
+
+def test_list_news_item_serialisation():
+    """News item serialisation should truncate content to 300 chars and include reaction."""
+    pub = datetime(2026, 3, 28, 8, 0, tzinfo=timezone.utc)
+    item = {
+        "id": 1,
+        "title": "EU AI Act deadline",
+        "url": "https://example.com/ai",
+        "content": "x" * 500,
+        "published_at": pub,
+        "topics": ["tech"],
+        "feed_title": "TechCrunch",
+        "reaction": "up",
+    }
+
+    result = {
+        "id": item["id"],
+        "title": item["title"],
+        "url": item["url"],
+        "snippet": (item["content"] or "")[:300],
+        "published_at": item["published_at"].isoformat() if item["published_at"] else None,
+        "topics": item["topics"] or [],
+        "source": item["feed_title"],
+        "reaction": item["reaction"],
+    }
+
+    assert result["snippet"] == "x" * 300
+    assert result["source"] == "TechCrunch"
+    assert result["reaction"] == "up"
+    assert result["published_at"] == pub.isoformat()
+
+
+def test_list_news_null_content_serialisation():
+    """Null content should produce empty snippet without error."""
+    item = {
+        "id": 2,
+        "title": "No content article",
+        "url": "https://example.com/b",
+        "content": None,
+        "published_at": None,
+        "topics": None,
+        "feed_title": "Hacker News",
+        "reaction": None,
+    }
+
+    result = {
+        "id": item["id"],
+        "title": item["title"],
+        "url": item["url"],
+        "snippet": (item["content"] or "")[:300],
+        "published_at": item["published_at"].isoformat() if item["published_at"] else None,
+        "topics": item["topics"] or [],
+        "source": item["feed_title"],
+        "reaction": item["reaction"],
+    }
+
+    assert result["snippet"] == ""
+    assert result["topics"] == []
+    assert result["published_at"] is None
+    assert result["reaction"] is None