Various fixes (#20655)

frigate/genai/ollama.py

@@ -20,8 +20,8 @@ class OllamaClient(GenAIClient):
     LOCAL_OPTIMIZED_OPTIONS = {
         "options": {
             "temperature": 0.5,
-            "repeat_penalty": 1.15,
-            "presence_penalty": 0.1,
+            "repeat_penalty": 1.05,
+            "presence_penalty": 0.3,
         },
     }
 

web/src/components/card/ClassificationCard.tsx

@@ -214,7 +214,9 @@ export function GroupedClassificationCard({
     });
 
     if (!best) {
-      return group.at(-1);
+      // select an item from the middle of the time series as this usually correlates
+      // to a more representative image than the first or last
+      return group.at(Math.floor(group.length / 2));
     }
 
     const bestTyped: ClassificationItemData = best;