docs: move Last updated footer to end of file (security.mdx)\n\nCo-authored-by: openhands <openhands@all-hands.dev>

Author: enyst

sdk/arch/security.mdx

@@ -103,11 +103,7 @@ flowchart TB
     Analyze --> High
     Analyze --> Unknown
 
----
-Last updated: 2025-12-09 06:57 UTC  
-Source commit (software-agent-sdk): `93d405c9`
 
-    
     style Low fill:#d1fae5,stroke:#10b981,stroke-width:2px
     style Medium fill:#fef3c7,stroke:#f59e0b,stroke-width:2px
     style High fill:#ffe8e8,stroke:#dc2626,stroke-width:2px
@@ -313,3 +309,8 @@ flowchart LR
 - **[Agent Architecture](/sdk/arch/agent)** - How agents use security analyzers
 - **[Tool System](/sdk/arch/tool-system)** - Tool annotations and metadata; includes MCP tool hints
 - **[Security Guide](/sdk/guides/security)** - Configuring security policies
+
+---
+Last updated: 2025-12-09 06:57 UTC  
+Source commit (software-agent-sdk): `93d405c9`
+