55 lines
2.0 KiB
Markdown
55 lines
2.0 KiB
Markdown
---
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id: e301095c-7d4c-45d8-8352-9491e4ad6603
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type: decision
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title: "Overlap Memories Duplicated to Both Target Graphs During Migration"
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tags: [cognitive-memory, migration, multi-graph, decision, overlap]
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importance: 0.7
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confidence: 0.8
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created: "2026-03-01T22:16:56.955400+00:00"
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updated: "2026-03-01T22:17:17.438067+00:00"
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relations:
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- target: 9eb16f9f-c825-4233-b64f-d0acd140374a
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type: RELATED_TO
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direction: outgoing
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strength: 0.75
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edge_id: 6ebdc346-ae42-41d4-b744-472ca17b7e74
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- target: d0d1a325-a308-474a-baf7-6939a76a136b
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type: RELATED_TO
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direction: outgoing
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strength: 0.75
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edge_id: 36a8e59c-08c6-4efe-b154-6277ea5cf1e7
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- target: 9ea72015-0b85-4a42-9ae1-144866f8d86f
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type: BUILDS_ON
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direction: outgoing
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strength: 0.73
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edge_id: 2eee0082-215a-41b9-90bc-ea2d757138ff
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- target: 5fb6b3c0-cc6a-4baa-8552-8d2731379b0b
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type: RELATED_TO
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direction: outgoing
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strength: 0.9
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edge_id: 1e0002c1-dc30-446e-bce3-f0a5e5b61663
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- target: 2d6f02bc-5a7c-404d-a566-36107aaaf6e6
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type: RELATED_TO
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direction: outgoing
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strength: 0.85
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edge_id: ec7fd770-f40c-4fb0-b359-5284425e580d
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---
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# Decision: Copy Overlap Memories to Multiple Target Graphs
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## Context
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During migration of memories from default graph to named project graphs, some memories are tagged for multiple projects (e.g., both `major-domo` and `paper-dynasty`).
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## Decision
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Overlap memories are **COPIED** (not moved) to each matching target graph. They remain in the default graph until all migrations complete, then the `--cleanup-overlaps` flag removes them from default.
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## Rationale
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- Preserves memory context in both project graphs where it's relevant
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- Avoids data loss if migration is interrupted partway through
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- Keeps default graph clean after all targets are confirmed populated
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## Implementation Details
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- Overlap tracking stored in `_migration_overlaps.json`
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- A memory is an overlap if it matches tag criteria for 2+ target graphs
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- Cleanup step verifies presence in all target graphs before deleting from default
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