news: get_news degrades softly on topic miss (news-13) — any-term ranked fallback, recent+note, language hint in schema; idle-impulse default varies form

fjerkroa_bot/news.py

@@ -198,7 +198,12 @@ GET_NEWS_TOOL = {
     "parameters": {
         "type": "object",
         "properties": {
-            "topic": {"type": "string", "description": "Optional keywords to filter by, e.g. 'Nordland', 'football', 'weather'."},
+            "topic": {
+                "type": "string",
+                "description": "Optional filter: one or two keywords, in the language the feeds are written in "
+                "(e.g. Norwegian for Norwegian news: 'Nordland', 'fotball', 'trafikkulykke'). If nothing matches "
+                "exactly, related or recent items come back with a `note` saying so.",
+            },
             "source": {"type": "string", "description": "Optional source label, e.g. 'NRK', 'Aftenposten', 'Verden', 'Sport'."},
             "limit": {"type": "integer", "description": "How many items to return (default 10, max 30)."},
         },
@@ -220,8 +225,15 @@ def query_news(
     limit = max(1, min(int(limit or 10), 30))
     src = (str(source).strip() or None) if source else None
     terms = _news_terms(topic)
+    note = None
     try:
         rows = store.search_news(terms, limit, src) if terms else store.recent_news(limit, src)
+        if terms and not rows:  # NEWS-13: soft degradation, never empty-handed
+            rows = store.search_news(terms, limit, src, match_any=True)
+            note = "no item matches all keywords; showing items matching some of them"
+        if terms and not rows:
+            rows = store.recent_news(limit, src)
+            note = "nothing matches the topic; showing the newest stored items instead"
     except Exception as err:
         logging.warning(f"news: query failed: {err!r}")
         return {"error": "news lookup failed"}
@@ -234,7 +246,10 @@ def query_news(
         }
         for row in rows
     ]
-    return {"topic": topic or "", "source": src or "", "results": results}
+    payload = {"topic": topic or "", "source": src or "", "results": results}
+    if note:
+        payload["note"] = note
+    return payload
 
 
 def _open_store(config: Dict[str, Any]) -> Any: