feat: Add Obsidian vault configuration and documentation for navigation and memory management

ai/logs/index.md

@@ -0,0 +1,27 @@
+# Logs Index
+
+Daily logs capture evolving evidence and same-day work context.
+
+Promote durable facts into `ai/state/`, `ai/work-items/`, or `ai/context/` when they should survive beyond the day.
+
+---
+
+## Logs
+
+- [2026-04-08](2026-04-08.md)
+- [2026-04-09](2026-04-09.md)
+- [2026-04-10](2026-04-10.md)
+- [2026-04-13](2026-04-13.md)
+- [2026-04-14](2026-04-14.md)
+- [2026-04-15](2026-04-15.md)
+- [2026-04-16](2026-04-16.md)
+
+---
+
+## Related Memory
+
+- [Current Work](../state/current.md)
+- [Work Item State](../state/work-items.md)
+- [Work Item Index](../work-items/index.md)
+- [Context Index](../context/index.md)
+