russell@unturf.com 483f1cb5e5 ollama+langchain: 5-MOAD scan complete; langchain-0002 MultiQueryRetriever _unique_documents O(D^2), 21x at D=500 ... Ollama: all 5 MOADs scanned. MOAD-0001 ollama-0001 (pre-existing). MOADs 0002/0003/0004/0005 CLEAN per defects/ollama/CLEAN.md (scanned 2026-03-31). LangChain: all 5 MOADs scanned. New defect langchain-0002 MOAD-0001 CWE-407. - multi_query.py _unique_documents: `doc not in documents[:i]` creates O(D) slice each iteration and performs O(D) linear scan, giving O(D^2) overall. D = Q*k where Q=queries, k=results per query. - Fix: seen set with hashable proxy key (id, page_content, str(metadata items)). O(D) total. - 9/9 unit tests PASS, 21.4x speedup at D=500. MOADs 0002/0003/0004/0005 CLEAN per updated defects/langchain/CLEAN.md. SCAN-TODO.md: mark both targets [x].		2026-04-03 15:15:33 -04:00
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CLEAN.md	ollama+langchain: 5-MOAD scan complete; langchain-0002 MultiQueryRetriever _unique_documents O(D^2), 21x at D=500	2026-04-03 15:15:33 -04:00