Update agent model from gpt-4o to GPT-5

Author: vfaraji89

agents/context-architect.agent.md

@@ -1,6 +1,6 @@
 ---
 description: 'An agent that helps plan and execute multi-file changes by identifying relevant context and dependencies'
-model: 'gpt-4o'
+model: 'GPT-5'
 tools: ['codebase', 'terminalCommand']
 name: 'Context Architect'
 ---