Use properly built tarball with viewport fix

Previous tarball was packed before building, so the compiled
cdp-monitor.js didn't include the viewport fix. Now using
v0.0.127-canary-viewport2 which has the built code.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: elsigh

www/lib/cloud/d3k-sandbox.ts

@@ -380,7 +380,7 @@ export async function createD3kSandbox(config: D3kSandboxConfig): Promise<D3kSan
     // Install d3k globally from GitHub release (viewport fix for consistent CLS)
     // TODO: Revert to "dev3000" once v0.0.128 is published to npm
     const d3kTarballUrl =
-      "https://github.com/vercel-labs/dev3000/releases/download/v0.0.127-canary-viewport/dev3000-0.0.127-canary.tgz"
+      "https://github.com/vercel-labs/dev3000/releases/download/v0.0.127-canary-viewport2/dev3000-0.0.127-canary.tgz"
     if (debug) console.log(`  📦 Installing d3k globally from GitHub release: ${d3kTarballUrl}`)
     const d3kInstallResult = await runCommandWithLogs(sandbox, {
       cmd: "pnpm",