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fix: summarizer cutoff bug (#8928)

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* fix: summarizer cutoff bug

* update comment with context
This commit is contained in:
cthomas
2026-01-19 11:55:01 -08:00
committed by Sarah Wooders
parent 90f3ab9184
commit 4be366470b
1 changed files with 3 additions and 2 deletions
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5
letta/services/summarizer/summarizer_sliding_window.py
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@@ -146,6 +146,7 @@ async def summarize_via_sliding_window(
logger.warning(f"Summary length {len(summary_message_str)} exceeds clip length {summarizer_config.clip_chars}. Truncating.")
summary_message_str = summary_message_str[: summarizer_config.clip_chars] + "... [summary truncated to fit]"
# Start remaining messages AFTER the assistant message we included in the summary
updated_in_context_messages = in_context_messages[assistant_message_index + 1 :]
# Start remaining messages FROM the assistant message we included in the summary
# (to preserve tool call sequences if the assistant message has tool_calls)
updated_in_context_messages = in_context_messages[assistant_message_index:]
return summary_message_str, [system_prompt] + updated_in_context_messages