Update .gitignore and VS Code settings

- Add .VS directory to .gitignore
- Enable custom agents and CLI features in VS Code settings
- Add 'Run in Parallel' feature to GitHub Copilot IDE features documentation

Author: jacwu

.gitignore

@@ -54,3 +54,5 @@ logs/
 temp-*
 
 .venv/
+
+.VS/

.vscode/settings.json

@@ -162,5 +162,9 @@
     "chat.useNestedAgentsMdFiles": true,
     // autoApprove is only support in user profile settings, not workspace settings
     "chat.tools.global.autoApprove": true,
-    "files.autoSaveDelay": 5000
+    "files.autoSaveDelay": 5000,
+    "chat.customAgentInSubagent.enabled": true,
+    "github.copilot.chat.cli.customAgents.enabled": true,
+    "github.copilot.chat.cli.mcp.enabled": true,
+    "github.copilot.chat.customAgents.showOrganizationAndEnterpriseAgents": true
 }

github-copilot-features-status/copilot-ide-features.md

@@ -42,6 +42,7 @@
 | Enterprise Custom Agent  | ✅             | ❌             | ❌             | ❌     | ❌       | ❌  |
 | Background Agent         | ✅             | ❌             | ❌             | ❌     | ❌       | ❌  |
 | Isolated SubAgent        | ✅             | ❌             | ✅             | ✅     | ✅       | ✅  |
+| Run in Parallel          | ✅             | ✅             | ❌             | ❌     | ❌       | ❌  |
 | worktree                 | ✅             | ❌             | ❌             | ❌     | ❌       | ❌  |
 | claude skill             | ✅             | ❌             | ❌             | ❌     | ❌       | ❌  |
 | Slash Command            | ✅             | ✅             | ✅             | ✅     | ✅       | ❌  |