Update draws, retrain models and generate tips for May 20-27 draws

- Added 3 missing draws (2026-05-20, 2026-05-24, 2026-05-27) to AlleLottozahlen.csv
- Retrained RF and LSTM models on 3,129 draws (42 learning cycles)
- Generated fresh tips: weekly_lotto_tips_20260528_091404.csv

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

data/learning_log.json

@@ -601,6 +601,28 @@
         "main": 0.9,
         "sz_rate": 0.0
       }
+    },
+    {
+      "timestamp": "2026-05-28T09:05:31.211062",
+      "draw_date": "2026-05-26",
+      "evaluation": {},
+      "avg_matches": {
+        "main": 0,
+        "euro": 0
+      }
+    },
+    {
+      "timestamp": "2026-05-28T09:07:10.765230",
+      "draw_date": "2026-05-27",
+      "evaluation": {
+        "main": 1,
+        "sz": false,
+        "tip": 2
+      },
+      "avg_matches": {
+        "main": 0.6,
+        "sz_rate": 0.0
+      }
     }
   ]
 }