npx --package yo --package generator-code -- yo code

Update package.json:

  "contributes": {
    "commands": [
      {
        "command": "cotr-chat.helloWorld",
        "title": "Hello World"
      }
    ], "chatParticipants": [
      {
          "id": "cotr-chat",
          "name": "cotr",
          "description": "Use COTR snippets in Copilot Chat",
          "isSticky": true
      }
  ]
  },

  "extensionDependencies": [
    "github.copilot-chat"
],
"enabledApiProposals": [
  "chatParticipant",
  "chatVariableResolver",
  "languageModels"
],

Copy .d.ts files from chat example into project.

https://code.visualstudio.com/api/extension-guides/chat

https://code.visualstudio.com/api/extension-guides/language-model

https://supabase.com/docs/guides/auth/auth-deep-dive/auth-deep-dive-jwts#jwts-in-supabase

https://supabase.com/docs/reference/javascript/auth-refreshsession?queryGroups=example&example=refresh-session-using-a-passed-in-session

https://github.com/microsoft/vscode-extension-samples/tree/main/chat-sample