feat: enhance timeout management and knowledge base handling in CoSTEER components (#1130)

* feat: enhance timeout management and knowledge base handling in CoSTEER components

* fix a little bug

* fix small bug

* fix a small bug

* Update rdagent/scenarios/data_science/loop.py

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* add scale check

* fix a small bug

* fix CI

* use dynamic chat_token_limit & remove repeated lines

* fix CI

* remove useless comment

* fix small bug

* update draft appendix

* fix prompt

* add code correctness as top priority

---------

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

rdagent/core/evolving_framework.py

@@ -77,8 +77,16 @@ class EvolvingStrategy(ABC):
 class RAGStrategy(ABC):
     """Retrieval Augmentation Generation Strategy"""
 
-    def __init__(self, knowledgebase: EvolvingKnowledgeBase) -> None:
-        self.knowledgebase: EvolvingKnowledgeBase = knowledgebase
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
+        self.knowledgebase: EvolvingKnowledgeBase = self.load_or_init_knowledge_base(*args, **kwargs)
+
+    @abstractmethod
+    def load_or_init_knowledge_base(
+        self,
+        *args: Any,
+        **kwargs: Any,
+    ) -> EvolvingKnowledgeBase:
+        pass
 
     @abstractmethod
     def query(
@@ -102,3 +110,14 @@ class RAGStrategy(ABC):
 
         RAGStrategy should maintain the new knowledge all by itself.
         """
+
+    @abstractmethod
+    def dump_knowledge_base(self, *args: Any, **kwargs: Any) -> None:
+        pass
+
+    @abstractmethod
+    def load_dumped_knowledge_base(self, *args: Any, **kwargs: Any) -> None:
+        """This is to load the dumped knowledge base.
+        It's mainly used in parallel coding of which several coder shares the same knowledge base.
+        Then the agent should load the knowledge base from others before updating it.
+        """