Fix SAM 3D Body installation method

- Update requirements.txt with proper dependencies for SAM 3D Body
- Update Dockerfile to install SAM 3D Body from source via git clone

Dockerfile

@@ -22,6 +22,11 @@ RUN pip install --no-cache-dir 'git+https://github.com/facebookresearch/detectro
 # Optional: Install MoGe
 RUN pip install --no-cache-dir git+https://github.com/microsoft/MoGe.git
 
+# Install SAM 3D Body from source
+RUN git clone https://github.com/facebookresearch/sam-3d-body.git /app/sam-3d-body && \
+    cd /app/sam-3d-body && \
+    pip install -e .
+
 # Copy application code
 COPY app/ ./app/
 

requirements.txt

@@ -40,10 +40,12 @@ optree==0.10.0
 fvcore==0.1.5.post20221221
 huggingface_hub==0.20.2
 
-# SAM 3D Body dependencies
-# Model will be loaded from Hugging Face at runtime
-# Install the package from the correct repository
-git+https://github.com/facebookresearch/sam-3d-body.git
+# SAM 3D Body dependencies - based on official installation guide
+# Install Detectron2 (required by SAM 3D Body)
+git+https://github.com/facebookresearch/detectron2.git@a1ce2f9
+
+# Install MoGe (optional but recommended for SAM 3D Body)
+git+https://github.com/microsoft/MoGe.git
 
 # 3D model processing
 trimesh==4.0.5