• Copilot Chat Extension Version: 0.30.2025072501
• VS Code Version: 1.103.0-insider (user setup)
• OS Version: Windows_NT x64 10.0.26100
• Feature (e.g. agent/edit/ask mode): agent
• Selected model (e.g. GPT 4.1, Claude 3.7 Sonnet): BYOK Azure
• Logs:
  Copilot Chat logs:
  2025-07-25 21:01:35.032 [info] [GitExtensionServiceImpl] Initializing Git extension service.
  2025-07-25 21:01:35.032 [info] Can't use the Electron fetcher in this environment.
  2025-07-25 21:01:35.032 [info] Using the Node fetch fetcher.
  2025-07-25 21:01:35.032 [info] [GitExtensionServiceImpl] Successfully activated the vscode.git extension.
  2025-07-25 21:01:35.032 [info] [GitExtensionServiceImpl] Enablement state of the vscode.git extension: true.
  2025-07-25 21:01:35.032 [info] [GitExtensionServiceImpl] Successfully registered Git commit message provider.
  2025-07-25 21:01:37.591 [info] Logged in as danielpotts_microsoft
  2025-07-25 21:01:41.989 [info] Got Copilot token for danielpotts_microsoft
  2025-07-25 21:01:42.010 [info] activationBlocker from 'languageModelAccess' took for 12417ms
  2025-07-25 21:01:43.122 [info] copilot token chat_enabled: true, sku: copilot_enterprise_seat_quota
  2025-07-25 21:01:43.122 [info] GitHub.vscode-pull-request-github extension is not yet activated.
  2025-07-25 21:01:43.159 [info] Registering default platform agent...
  2025-07-25 21:01:43.161 [info] activationBlocker from 'conversationFeature' took for 13575ms
  2025-07-25 21:01:43.697 [info] Fetched model metadata in 8768ms f084ee95-9995-4f3b-b81e-d97c71af2846
  2025-07-25 21:01:44.531 [info] BYOK: Copilot Chat known models list fetched successfully.
  2025-07-25 21:01:45.272 [info] Fetched content exclusion rules in 1942ms

Steps to Reproduce:

1. Updated to latest vs code and extensions
2. Previous BYOK Azure model no longer shows (sigh)
3. Choose Manage Models..
4. Choose Azure
5. Nothing happens (nothing appears, no dialogue).