refactor(plugins): 统一亲和力流模块导入路径

将 chatter 模块重命名为 affinity_flow_chatter 后，更新相关文件的导入路径以保持一致性：
- chatter_manager.py 中的 ActionPlanner 导入路径
- default_generator.py 中的 interest_scoring 和 relationship_tracker 导入路径
- planner.py 中的内部模块导入路径

这些更改确保模块重构后的代码能够正确引用 affinity_flow_chatter 插件中的组件。

src/chat/replyer/default_generator.py

@@ -875,7 +875,7 @@ class DefaultReplyer:
         interest_scores = {}
 
         try:
-            from src.plugins.built_in.chatter.interest_scoring import chatter_interest_scoring_system as interest_scoring_system
+            from src.plugins.built_in.affinity_flow_chatter.interest_scoring import chatter_interest_scoring_system as interest_scoring_system
             from src.common.data_models.database_data_model import DatabaseMessages
 
             # 转换消息格式
@@ -1528,10 +1528,10 @@ class DefaultReplyer:
 
         # 使用AFC关系追踪器获取关系信息
         try:
-            from src.plugins.built_in.chatter.relationship_tracker import ChatterRelationshipTracker
+            from src.plugins.built_in.affinity_flow_chatter.relationship_tracker import ChatterRelationshipTracker
 
-                      # 创建关系追踪器实例
-            from src.plugins.built_in.chatter.interest_scoring import chatter_interest_scoring_system
+            # 创建关系追踪器实例
+            from src.plugins.built_in.affinity_flow_chatter.interest_scoring import chatter_interest_scoring_system
             relationship_tracker = ChatterRelationshipTracker(chatter_interest_scoring_system)
             if relationship_tracker:
                 # 获取用户信息以获取真实的user_id