feat: integrate Obsidian MCP server via opencode config and add migration strategy documentation

agent-memory/maps/tooling.md

@@ -1,7 +1,7 @@
 ---
 type: agent-map
 domain: tooling
-updated: 2026-04-17
+updated: 2026-04-27
 tags:
   - map
   - tooling
@@ -61,5 +61,6 @@ Commands, prompts, skills, workflows, and automation surfaces that make the work
 
 - Project-agnostic memory scripts: `scripts/memory/`
 - Current Obsidian adapter: `scripts/obsidian/`
+- Obsidian MCP migration plan: `agent-memory/workflows/obsidian-mcp-migration.md`
 - Project knowledge vault: `project-knowledge/`
 - Agent operating memory: `agent-memory/`