chore: update model references to 'Cloaude Sonnet 4.5' across agent files

- Changed model name from 'claude-opus-4-5-20250514' to 'Cloaude Sonnet 4.5' in multiple agent markdown files.
- Ensures consistency in model naming across the project.

.github/agents/Supervisor.agent.md

@@ -4,7 +4,7 @@ description: 'Code Review Lead for quality assurance and PR review.'
 argument-hint: 'The PR or code change to review (e.g., "Review PR #123 for security issues")'
 tools:
   ['vscode/memory', 'execute', 'read', 'search', 'web', 'github/*', 'todo']
-model: 'claude-opus-4-5-20250514'
+model: 'Cloaude Sonnet 4.5'
 mcp-servers:
   - github
 ---