From fb367a33584f08d0273f4a14868f7f91e4601a49 Mon Sep 17 00:00:00 2001
From: JohnDoe6345789 <john.doe6345789@gmail.com>
Date: Fri, 26 Dec 2025 00:30:03 +0000
Subject: [PATCH] code: nextjs,frontends,types (3 files)

---
 .../functions/sandbox/enforce-max-memory.ts   | 12 +++++
 .../src/lib/lua/functions/sandbox/types.ts    |  4 ++
 .../collect-file-entries.test.ts              | 51 +++++++++++++++++++
 3 files changed, 67 insertions(+)
 create mode 100644 frontends/nextjs/src/lib/lua/functions/sandbox/enforce-max-memory.ts
 create mode 100644 frontends/nextjs/src/lib/nerd-mode-ide/collect-file-entries.test.ts

diff --git a/frontends/nextjs/src/lib/lua/functions/sandbox/enforce-max-memory.ts b/frontends/nextjs/src/lib/lua/functions/sandbox/enforce-max-memory.ts
new file mode 100644
index 000000000..8d745b266
--- /dev/null
+++ b/frontends/nextjs/src/lib/lua/functions/sandbox/enforce-max-memory.ts
@@ -0,0 +1,12 @@
+import type { SandboxedLuaEngineState } from './types'
+
+export function enforceMaxMemory(this: SandboxedLuaEngineState): void {
+  if (!Number.isFinite(this.maxMemory) || this.maxMemory <= 0) return
+
+  const usageBytes = this.getLuaMemoryUsageBytes()
+  if (usageBytes > this.maxMemory) {
+    throw new Error(
+      `Memory limit exceeded: ${usageBytes} bytes used (max ${this.maxMemory})`
+    )
+  }
+}
diff --git a/frontends/nextjs/src/lib/lua/functions/sandbox/types.ts b/frontends/nextjs/src/lib/lua/functions/sandbox/types.ts
index 6e69566b8..1a6481076 100644
--- a/frontends/nextjs/src/lib/lua/functions/sandbox/types.ts
+++ b/frontends/nextjs/src/lib/lua/functions/sandbox/types.ts
@@ -23,4 +23,8 @@ export interface SandboxedLuaEngineState {
   setupSandboxedEnvironment: () => void
   /** Execute code with timeout */
   executeWithTimeout: (code: string, context?: LuaExecutionContext) => Promise<LuaExecutionResult>
+  /** Read current Lua heap usage in bytes */
+  getLuaMemoryUsageBytes: () => number
+  /** Enforce maxMemory threshold */
+  enforceMaxMemory: () => void
 }
diff --git a/frontends/nextjs/src/lib/nerd-mode-ide/collect-file-entries.test.ts b/frontends/nextjs/src/lib/nerd-mode-ide/collect-file-entries.test.ts
new file mode 100644
index 000000000..9eaa71cc2
--- /dev/null
+++ b/frontends/nextjs/src/lib/nerd-mode-ide/collect-file-entries.test.ts
@@ -0,0 +1,51 @@
+import { describe, expect, it } from 'vitest'
+import { collectFileEntries } from './collect-file-entries'
+import type { FileNode } from './types'
+
+describe('collectFileEntries', () => {
+  it('respects exportPath overrides while keeping root folder names', () => {
+    const tree: FileNode[] = [
+      {
+        id: 'root',
+        name: 'social_hub',
+        type: 'folder',
+        children: [
+          {
+            id: 'lua',
+            name: 'Lua',
+            type: 'folder',
+            exportPath: 'seed/scripts',
+            children: [
+              {
+                id: 'manifest',
+                name: 'manifest.json',
+                type: 'file',
+                content: '{"scripts":[]}',
+              },
+            ],
+          },
+          {
+            id: 'metadata',
+            name: 'metadata',
+            type: 'folder',
+            exportPath: 'seed',
+            children: [
+              {
+                id: 'meta-file',
+                name: 'metadata.json',
+                type: 'file',
+                content: '{"packageId":"social_hub"}',
+              },
+            ],
+          },
+        ],
+      },
+    ]
+
+    const entries = collectFileEntries(tree)
+    const paths = entries.map((entry) => entry.path)
+
+    expect(paths).toContain('social_hub/seed/scripts/manifest.json')
+    expect(paths).toContain('social_hub/seed/metadata.json')
+  })
+})