fix: surface result titles in QA context assembly#29
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LoCoMo v2 q300 exposed a structural asymmetry: the session-date fix lifted multi_hop to 0.57 (mem0) and 0.52 (grep) but bm-local stayed at 0.06. BM returns bullet-level matched chunks as hit text — precise, but they strip the document context where the session date lives. grep returns doc heads (date included) and mem0 stores whole documents, so only BM lost temporal anchoring. BM's search results DO return the title (which carries the date); the provider now passes it through hit metadata and context assembly adds it to the section header when it isn't already in the snippet. This uses only what the provider returns — no special-casing. The underlying product gap (BM chunks lack document-level context at retrieval time) is queued as the first basic-memory Phase 2 change. 2 new tests; suite green, lint clean. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Signed-off-by: Drew Cain <groksrc@gmail.com>
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The finding (LoCoMo v2 q300)
The session-date fix lifted multi_hop to 0.57 (mem0) and 0.52 (grep) — but bm-local stayed at 0.06. Structural asymmetry: BM returns bullet-level matched chunks as hit text; precise, but they strip the document context where the session date lives. grep returns doc heads (date included); mem0 stores whole docs. Only BM lost temporal anchoring.
Fix
BM's search results already return the title (which now carries the session date). The provider passes it through hit metadata; context assembly adds it to the section header when not already present in the snippet. Provider-neutral — assembly uses whatever any provider returns.
The underlying product gap (BM chunks lack document-level context) is queued as the first basic-memory Phase 2 change.
2 new tests; suite green (105), lint clean.
🤖 Generated with Claude Code