fix: guard extract_digest_links db.close(), remove domain-in-path false positive, add hint assertion

dev-api.py

@@ -100,7 +100,7 @@ def _score_url(url: str) -> int:
     hostname = (parsed.hostname or '').lower()
     path = parsed.path.lower()
     for domain in _JOB_DOMAINS:
-        if domain in hostname or domain in path:
+        if domain in hostname:
             return 2
     for seg in _JOB_PATH_SEGMENTS:
         if f'/{seg}/' in path or path.startswith(f'/{seg}'):
@@ -563,6 +563,7 @@ def add_to_digest_queue(body: DigestQueueBody):
 @app.post("/api/digest-queue/{digest_id}/extract-links")
 def extract_digest_links(digest_id: int):
     db = _get_db()
+    try:
         row = db.execute(
             """SELECT jc.body
                FROM digest_queue dq
@@ -570,6 +571,7 @@ def extract_digest_links(digest_id: int):
                WHERE dq.id = ?""",
             (digest_id,),
         ).fetchone()
+    finally:
         db.close()
     if not row:
         raise HTTPException(404, "Digest entry not found")

tests/test_dev_api_digest.py

@@ -138,6 +138,10 @@ def test_digest_extract_links(client, tmp_db):
     assert len(lever_links) == 1
     assert lever_links[0]["score"] == 2
 
+    # Each link must have a hint key (may be empty string for links at start of body)
+    for link in links:
+        assert "hint" in link
+
 
 def test_digest_extract_links_filters_trackers(client, tmp_db):
     entry_id = _add_digest_entry(tmp_db)