fix: increase sandbox resources to 4 CPUs and 8GB RAM

Default 2 cores was hitting 97% CPU on most projects. Bump both
session and setup sandboxes to 4 CPUs + 8GB RAM.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hkirat

apps/server/src/services/sandbox.service.ts

@@ -37,6 +37,8 @@ export async function startSessionSandbox(
   // Create sandbox from the project's built template
   const sandbox = await Sandbox.create(project.e2bTemplateId, {
     timeoutMs: project.maxSessionDurationMin * 60 * 1000,
+    cpuCount: 4,
+    memoryMb: 8192,
     envs: {
       GITHUB_TOKEN: githubToken,
       ...(env.OPENAI_API_KEY ? { OPENAI_API_KEY: env.OPENAI_API_KEY } : {}),

apps/server/src/services/setup.service.ts

@@ -310,7 +310,7 @@ export async function startSetupSession(projectId: string, userId: string): Prom
   (async () => {
     try {
       await persistState(projectId, { status: "Creating sandbox..." });
-      const sandbox = await Sandbox.create({ timeoutMs: 30 * 60_000 });
+      const sandbox = await Sandbox.create({ timeoutMs: 30 * 60_000, cpuCount: 4, memoryMb: 8192 });
       sandboxCache.set(projectId, sandbox);
       scheduleSandboxCleanup(projectId);
       await persistState(projectId, { sandboxId: sandbox.sandboxId });