docs(memory): add Recent History links to Project Memory

Author: Michael

workspace/docs/Obsidian/docs/Soulfield-OS—Project-Memory.md

@@ -100,6 +100,9 @@ Lenses = **filters of trust + reasoning**.
 Aiden = **memory + execution assistant**.  
 Together → *reliable, structured AI for business and beyond*.
 
+## Recent History
+- [[history/2025-09-15—Vault-Build.md]]
+
 ## 🔗 Cross-links
 - [[../docs/Soulfield-OS—Project-Memory.md]]
 - [[../monthly/]]
@@ -109,3 +112,4 @@ Together → *reliable, structured AI for business and beyond*.
 
 ## 🏷️ Tags
 #truth #structure #soulfield-os #aiden #strategy
+