feat：添加激活和改写的最大上下文限制，修剪planner长度

src/chat/memory_system/Hippocampus.py

@@ -199,7 +199,7 @@ class Hippocampus:
         # 从数据库加载记忆图
         self.entorhinal_cortex.sync_memory_from_db()
         # TODO: API-Adapter修改标记
-        self.model_summary = LLMRequest(global_config.model.memory, request_type="memory")
+        self.model_summary = LLMRequest(global_config.model.memory, request_type="memory.builder")
 
     def get_all_node_names(self) -> list:
         """获取记忆图中所有节点的名字列表"""

src/chat/memory_system/memory_activator.py

@@ -66,7 +66,7 @@ class MemoryActivator:
         self.key_words_model = LLMRequest(
             model=global_config.model.utils_small,
             temperature=0.5,
-            request_type="memory_activator",
+            request_type="memory.activator",
         )
 
         self.running_memory = []