37 lines
1.5 KiB
Markdown
37 lines
1.5 KiB
Markdown
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---
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id: "0008"
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date: 2026-06-03
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status: Accepted
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supersedes:
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superseded-by:
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affected-paths: []
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affected-components: []
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migration_confidence: medium
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migration_source: "docs/memory-system/03-architecture-decisions.md### ADR-008 — Markdown-as-truth; sync the vault, not the indexes"
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---
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# 0008 — Markdown-as-truth; sync the vault, not the indexes
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## Context
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Must be accessible on a VPS / multiple machines but run local-fast (Goal 4).
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## Decision
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Sync the **markdown vault** to the VPS via **git or Syncthing** (choice deferred
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to build time). **Graphs/indexes (Milvus Lite, Graphify `graphify-out/`) are rebuilt per
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machine and never synced.**
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- **Rationale**: Markdown is plain text — git/Syncthing sync it trivially; lazy (hourly or
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continuous-async) is enough. Indexes are disposable caches; syncing binary DBs invites
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conflicts for no gain. Local reads stay fast; ownership and portability stay with the user.
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## Consequences
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Only the markdown vault is synced across machines (via git or Syncthing); derived indexes like Milvus Lite and Graphify's graphify-out/ are rebuilt per machine and never synced, keeping local reads fast and avoiding binary-DB sync conflicts. This preserves user ownership and portability of the source data while requiring each machine to rebuild its own indexes.
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## Alternatives rejected
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**OpenBrain / Mem0** hosted DBs — always-remote, adds per-query
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latency and monthly cost, conflicts with local-fast; ownership weaker (Mem0 especially).
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Only worth it for real-time cross-tool memory, which the user called overkill.
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