fix: update summarization configuration values

config.example.yaml

@@ -192,9 +192,9 @@ summarization:
   # Summarization runs when ANY threshold is met (OR logic)
   # You can specify a single trigger or a list of triggers
   trigger:
-    # Trigger when token count reaches 4000
+    # Trigger when token count reaches 15564
     - type: tokens
-      value: 4000
+      value: 15564
     # Uncomment to also trigger when message count reaches 50
     # - type: messages
     #   value: 50
@@ -205,9 +205,9 @@ summarization:
   # Context retention policy after summarization
   # Specifies how much recent history to preserve
   keep:
-    # Keep the most recent 20 messages (recommended)
+    # Keep the most recent 10 messages (recommended)
     type: messages
-    value: 20
+    value: 10
     # Alternative: Keep specific token count
     # type: tokens
     # value: 3000
@@ -217,7 +217,7 @@ summarization:
 
   # Maximum tokens to keep when preparing messages for summarization
   # Set to null to skip trimming (not recommended for very long conversations)
-  trim_tokens_to_summarize: 4000
+  trim_tokens_to_summarize: 15564
 
   # Custom summary prompt template (null = use default LangChain prompt)
   # The prompt should guide the model to extract important context