fix: debug dsagent (#387)

* basic dsagent & debug

debug dsagent

change dsagent conf

* Refine changes

* Update vector_base.py

rdagent/components/proposal/model_proposal.py

@@ -50,7 +50,6 @@ class ModelHypothesisGen(HypothesisGen):
             .from_string(ModelHypothesisGen.prompts["hypothesis_gen"]["user_prompt"])
             .render(
                 targets="feature engineering and model building",
-                hypothesis_and_feedback=context_dict["hypothesis_and_feedback"],
                 RAG=context_dict["RAG"],
             )
         )

rdagent/components/proposal/prompts.yaml

@@ -12,14 +12,9 @@ hypothesis_gen:
     {{ hypothesis_output_format }}
 
   user_prompt: |-
-    {% if hypothesis_and_feedback|length == 0 %}It is the first round of hypothesis generation. The user has no hypothesis on this scenario yet.
-    {% else %}It is not the first round, the user has made several hypothesis on this scenario and did several evaluation on them.
-    The former hypothesis and the corresponding feedbacks are as follows (focus on the last one & the new hypothesis that it provides and reasoning to see if you agree):
-    {{ hypothesis_and_feedback }}
-    {% endif %}
     {% if RAG %}To help you generate new {{targets}}, we have prepared the following information for you:
     {{ RAG }}{% endif %}
-    Please generate the new hypothesis based on the information above. Also generate the relevant keys for the reasoning and the distilled knowledge that follows. For those keys, in particular for knowledge, explain in the context of the specific scenario to build up domain knowledge in the specific field rather than general knowledge.
+    Also generate the relevant keys for the reasoning and the distilled knowledge that follows. For those keys, in particular for knowledge, explain in the context of the specific scenario to build up domain knowledge in the specific field rather than general knowledge.
 
 hypothesis2experiment:
   system_prompt: |-