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fix(memory): prevent duplicate Deep Dream runs

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zhayujie
2026-04-28 15:30:51 +08:00
parent c9c99de3d9
commit 02bfe30848
2 changed files with 15 additions and 7 deletions
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17
agent/memory/summarizer.py
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@@ -115,7 +115,7 @@ class MemoryFlushManager:
self.last_flush_timestamp: Optional[datetime] = None
self._trim_flushed_hashes: set = set() # Content hashes of already-flushed messages
self._last_flushed_content_hash: str = "" # Content hash at last flush, for daily dedup
self._last_dream_input_hash: str = "" # Hash of dream input, for dedup
self._last_dream_input_hash: str = "" # "{date}:{daily_hash}" of last dream, for dedup
self._last_flush_thread: Optional[threading.Thread] = None
def get_today_memory_file(self, user_id: Optional[str] = None, ensure_exists: bool = False) -> Path:
@@ -323,13 +323,18 @@ class MemoryFlushManager:
logger.info("[DeepDream] No recent daily records, skipping to preserve existing MEMORY.md")
return False
# Dedup: skip if input materials haven't changed since last dream
# Dedup: skip if same daily content already dreamed today.
# Note: only hash daily_content (not memory_content), because deep_dream
# itself rewrites MEMORY.md as a side effect, which would otherwise
# invalidate the hash on every subsequent call within the same window.
import hashlib
input_hash = hashlib.md5((memory_content + daily_content).encode("utf-8")).hexdigest()
if not force and input_hash == self._last_dream_input_hash:
logger.debug("[DeepDream] Input unchanged since last dream, skipping")
daily_hash = hashlib.md5(daily_content.encode("utf-8")).hexdigest()
today_str = datetime.now().strftime("%Y-%m-%d")
dedup_key = f"{today_str}:{daily_hash}"
if not force and dedup_key == self._last_dream_input_hash:
logger.info("[DeepDream] Already dreamed today with same daily content, skipping")
return False
self._last_dream_input_hash = input_hash
self._last_dream_input_hash = dedup_key
logger.info(
f"[DeepDream] Materials collected: "