feat(condenser): Multi-summary views

openhands-sdk/openhands/sdk/context/condenser/llm_summarizing_condenser.py

@@ -17,7 +17,6 @@
 from openhands.sdk.context.view import View
 from openhands.sdk.event.base import LLMConvertibleEvent
 from openhands.sdk.event.condenser import Condensation
-from openhands.sdk.event.llm_convertible import MessageEvent
 from openhands.sdk.llm import LLM, Message, TextContent
 from openhands.sdk.observability.laminar import observe
 
@@ -117,33 +116,15 @@ def condensation_requirement(
         if Reason.REQUEST in reasons:
             return CondensationRequirement.HARD
 
-    def _get_summary_event_content(self, view: View) -> str:
-        """Extract the text content from the summary event in the view, if any.
-
-        If there is no summary event or it does not contain text content, returns an
-        empty string.
-        """
-        summary_event_content: str = ""
-
-        summary_event = view.summary_event
-        if isinstance(summary_event, MessageEvent):
-            message_content = summary_event.llm_message.content[0]
-            if isinstance(message_content, TextContent):
-                summary_event_content = message_content.text
-
-        return summary_event_content
-
     def _generate_condensation(
         self,
-        summary_event_content: str,
         forgotten_events: Sequence[LLMConvertibleEvent],
         summary_offset: int,
     ) -> Condensation:
         """Generate a condensation by using the condenser's LLM to summarize forgotten
         events.
 
         Args:
-            summary_event_content: The content of the previous summary event.
             forgotten_events: The list of events to be summarized.
             summary_offset: The index where the summary event should be inserted.
 
@@ -161,7 +142,6 @@ def _generate_condensation(
         prompt = render_template(
             os.path.join(os.path.dirname(__file__), "prompts"),
             "summarizing_prompt.j2",
-            previous_summary=summary_event_content,
             events=event_strings,
         )
 
@@ -269,10 +249,7 @@ def get_condensation(
                 "events. Consider adjusting keep_first or max_size parameters."
             )
 
-        summary_event_content = self._get_summary_event_content(view)
-
         return self._generate_condensation(
-            summary_event_content=summary_event_content,
             forgotten_events=forgotten_events,
             summary_offset=summary_offset,
         )

openhands-sdk/openhands/sdk/context/condenser/prompts/summarizing_prompt.j2

@@ -1,5 +1,5 @@
 You are maintaining a context-aware state summary for an interactive agent.
-You will be given a list of events corresponding to actions taken by the agent, and the most recent previous summary if one exists.
+You will be given a list of events corresponding to actions taken by the agent, which will include previous summaries.
 If the events being summarized contain ANY task-tracking, you MUST include a TASK_TRACKING section to maintain continuity.
 When referencing tasks make sure to preserve exact task IDs and statuses.
 
@@ -46,10 +46,6 @@ COMPLETED: 15 haikus written for results [T,H,T,H,T,H,T,T,H,T,H,T,H,T,H]
 PENDING: 5 more haikus needed
 CURRENT_STATE: Last flip: Heads, Haiku count: 15/20
 
-<PREVIOUS SUMMARY>
-{{ previous_summary }}
-</PREVIOUS SUMMARY>
-
 {% for event in events %}
 <EVENT>
 {{ event }}