mirror of
https://github.com/MODSetter/SurfSense.git
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35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
"""LLM-backed memory rewrite helpers."""
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from __future__ import annotations
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import logging
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from typing import Any
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from langchain_core.messages import HumanMessage
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from app.services.memory.prompts import FORCED_REWRITE_PROMPT
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from app.services.memory.validation import MEMORY_HARD_LIMIT
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from app.utils.content_utils import extract_text_content
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logger = logging.getLogger(__name__)
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async def forced_rewrite(content: str, llm: Any) -> str | None:
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"""Use a focused LLM call to compress memory under the hard limit."""
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try:
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prompt = FORCED_REWRITE_PROMPT.format(
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target=MEMORY_HARD_LIMIT,
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content=content,
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)
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response = await llm.ainvoke(
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[HumanMessage(content=prompt)],
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config={"tags": ["surfsense:internal", "memory-rewrite"]},
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)
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text = extract_text_content(response.content).strip()
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if not text:
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logger.warning("Forced memory rewrite returned empty text")
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return None
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return text
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except Exception:
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logger.exception("Forced memory rewrite LLM call failed")
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return None
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