vision: condizione della quota su due righe leggibili (Refs #105)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jbf7qKuxsnAVjxthRy7dnB

src/backend/services/vision_service.py

@@ -973,7 +973,9 @@ async def ensure_points_quote(
         .limit(1)
     )).scalar_one_or_none()
     if own is not None:
-        if (own.ltl is not None and float(own.ltl) == float(min_points_pct))                 or await recipe_service.version_has_measurements(db, task.version_id):
+        # soglia invariata o versione con misure: la quota resta com'e'
+        same = own.ltl is not None and float(own.ltl) == float(min_points_pct)
+        if same or await recipe_service.version_has_measurements(db, task.version_id):
             return False
         own.ltl = min_points_pct
         await db.flush()