New file: packages.txt

- Lists all required system packages for Chrome/Chromium
- Hugging Face Spaces will automatically install these

Updated: mermaid_renderer.py
- Added Puppeteer configuration with sandbox-disabled flags
- Required for running Chrome in containerized environments

mermaid_renderer.py

@@ -84,6 +84,7 @@ class MermaidRenderer:
                 "-i", input_path,
                 "-o", output_path,
                 "-t", theme,
+                "--puppeteerConfig", '{"args":["--no-sandbox","--disable-setuid-sandbox","--disable-dev-shm-usage","--disable-accelerated-2d-canvas","--no-first-run","--no-zygote","--single-process","--disable-gpu"]}',
                 # No -f flag needed for mmdc, format is determined by -o extension
                 # However, explicitly setting background color might be needed for transparency
                 # "-b", "transparent" # Example: if you want transparent background for PNG/SVG

packages.txt

@@ -0,0 +1,14 @@
+chromium
+chromium-driver
+libnss3
+libnspr4
+libatk1.0-0
+libatk-bridge2.0-0
+libdrm2
+libxkbcommon0
+libxcomposite1
+libxdamage1
+libxrandr2
+libgbm1
+libxss1
+libasound2