add packages

ZEROGPU_MIGRATION.md

@@ -44,7 +44,13 @@ def generate_scene(image_prompt, text_prompt, camera_json, resolution):
 - `gradio==5.49.1` (required for Gradio SDK)
 - All other dependencies remain unchanged
 
-### 3. README Updates
+### 3. System Dependencies (`packages.txt`)
+
+**Created new file** to install system-level dependencies required by gsplat for CUDA compilation:
+- `libglm-dev` (OpenGL Mathematics library headers)
+- `build-essential` (compilation tools)
+
+### 4. README Updates
 
 **Added YAML frontmatter:**
 ```yaml
@@ -67,14 +73,14 @@ python_version: 3.10.13
 - Documentation of 15-second GPU budget
 - Explanation of model loading strategy
 
-### 4. CLAUDE.md Updates
+### 5. CLAUDE.md Updates
 
 Updated the development documentation to include:
 - Instructions for running both Flask (local) and Gradio (ZeroGPU) versions
 - Documentation of ZeroGPU configuration
 - Explanation of decorator usage and model loading patterns
 
-### 5. Example Camera Trajectory
+### 6. Example Camera Trajectory
 
 Created `examples/simple_trajectory.json` with a basic 5-camera forward-moving trajectory to help users get started.
 

packages.txt

@@ -0,0 +1,2 @@
+libglm-dev
+build-essential