[Feature Request] Support VSCode Insiders command detection and prefer code-insiders when running

Bug Description
Claude in VSCode is not recognizing VSCode Insiders PowerShell command (code-insiders) if it is installed and VSCode is not installed. Can you update to check for either and then install via code or code-insiders command as appropriate. If VSCode-Insiders is running it should not use the "code" command to do any VSCode extensions, it should use "code-insiders"

Environment Info

• Platform: win32
• Terminal: vscode
• Version: 2.0.76
• Feedback ID:

Errors

[{"error":"AxiosError: Request failed with status code 403\n    at bx (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:56:1137)\n    at Unzip.<anonymous> (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:57:9852)\n    at Unzip.emit (node:events:531:35)\n    at Unzip.emit (node:domain:488:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at fzA.request (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:59:2130)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async UT2 (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:1845:3609)","timestamp":"2026-01-03T21:18:41.339Z"},{"error":"Error: 1: 1 'code' is not recognized as an internal or external command,\r\noperable program or batch file.\n    at Is3 (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:1086:3956)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Js3 (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:1086:1579)","timestamp":"2026-01-03T21:18:50.669Z"},{"error":"AxiosError: Request failed with status code 403\n    at bx (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:56:1137)\n    at Unzip.<anonymous> (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:57:9852)\n    at Unzip.emit (node:events:531:35)\n    at Unzip.emit (node:domain:488:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at fzA.request (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:59:2130)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Z47 (file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:3506:460)\n    at async Promise.all (index 0)\n    at async file:///C:/Users/kimme/AppData/Local/nvm/v22.9.0/node_modules/@anthropic-ai/claude-code/cli.js:3492:7087","timestamp":"2026-01-03T21:23:13.971Z"}]