feat: Obsidian integration via cli scripts

vault/00-start/workspace-architecture.md

@@ -50,6 +50,19 @@ Runtime and generated files can be used as evidence, but durable project facts s
 
 ---
 
+## Memory Access Layer
+
+Use `scripts/memory/` as the platform-agnostic interface to canonical memory.
+
+Obsidian is the current visual and CLI-backed adapter, but the source of truth remains Markdown under `vault/`.
+
+- Agents use `scripts/memory/memory.sh create` when a new typed note is needed.
+- Agents use `scripts/memory/memory.sh search` or direct Markdown reads for context lookup.
+- Agents use `scripts/memory/memory.sh base-query` and `health` for structured review.
+- Precise memory edits should still be made directly to Markdown so changes stay auditable.
+
+---
+
 ## Memory Rule
 
 Promoted memory lives in `vault/`.