From 0d69bd4975cc2efb6e816a95d2956789d536cb86 Mon Sep 17 00:00:00 2001
From: starsstreaming <2946843254lw@gmail.com>
Date: Thu, 30 Jul 2026 10:02:43 +0800
Subject: [PATCH] raise video import limit to 800 MiB

---
 docs/media-contract.md                      |  2 +-
 packages/core/src/constants.ts              |  2 +-
 packages/core/test/media-validation.test.js | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/docs/media-contract.md b/docs/media-contract.md
index eacab70..b6f7afc 100644
--- a/docs/media-contract.md
+++ b/docs/media-contract.md
@@ -57,7 +57,7 @@ Rules:
 | Extension | `.mp4` only |
 | Type | regular file after `lstat` + `realpath` |
 | Symlink / reparse | rejected |
-| Size | `1 byte … 500 MiB` |
+| Size | `1 byte … 800 MiB` |
 | Container | first ISO-BMFF box size sane and type `ftyp` |
 | Companion image | required |
 
diff --git a/packages/core/src/constants.ts b/packages/core/src/constants.ts
index 47448b1..92aad99 100644
--- a/packages/core/src/constants.ts
+++ b/packages/core/src/constants.ts
@@ -3,7 +3,7 @@ export const SCHEMA_ID = "beauticode.background/v1" as const;
 // Images are embedded into one CDP Runtime.evaluate payload. Keep validation
 // and injection limits identical so an accepted import is always publishable.
 export const MAX_IMAGE_BYTES = 18 * 1024 * 1024;
-export const MAX_VIDEO_BYTES = 500 * 1024 * 1024;
+export const MAX_VIDEO_BYTES = 800 * 1024 * 1024;
 
 /**
  * Max raw media bytes embedded as a data: URL inside one CDP evaluate.
diff --git a/packages/core/test/media-validation.test.js b/packages/core/test/media-validation.test.js
index 7b10c25..83ab402 100644
--- a/packages/core/test/media-validation.test.js
+++ b/packages/core/test/media-validation.test.js
@@ -3,6 +3,7 @@ import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
 import test from "node:test";
+import { MAX_VIDEO_BYTES } from "../dist/constants.js";
 import {
   assertSafeBasename,
   isMp4Container,
@@ -77,6 +78,23 @@ test("validateVideoFile enforces extension, size, ftyp, no symlink", async () =>
   }
 });
 
+test("validateVideoFile defaults to an 800 MiB limit", async () => {
+  assert.equal(MAX_VIDEO_BYTES, 800 * 1024 * 1024);
+
+  const root = await fs.mkdtemp(path.join(os.tmpdir(), "bc-video-limit-"));
+  try {
+    const oversized = path.join(root, "oversized.mp4");
+    await fs.writeFile(oversized, mp4Fixture());
+    await fs.truncate(oversized, MAX_VIDEO_BYTES + 1);
+    await assert.rejects(
+      () => validateVideoFile(oversized),
+      /no larger than 838860800 bytes/,
+    );
+  } finally {
+    await fs.rm(root, { recursive: true, force: true });
+  }
+});
+
 test("validateImageFile checks magic bytes", async () => {
   const root = await fs.mkdtemp(path.join(os.tmpdir(), "bc-img-"));
   try {