Fix startup hang: 添加模型预下载步骤

Update .gitignore: Git忽略配置

Update code/demo.py: 主程序（支持Model Hub权重加载）

Fix: Match demo.zip checkpoint loading logic exactly - all 3 paths point to same existing file

Fix: Add OMP_NUM_THREADS env var to prevent libgomp warnings

Fix: Add complete LDraw library (official + unofficial parts)

Fix: Remove engine caching to prevent LDR generation state corruption

Fix: Force EngineFast for GPU T4 small environment

Fix: Safe device selection for CPU/GPU compatibility

Fix: Safe device selection for CPU/GPU compatibility

Fix: Safe device selection for CPU/GPU compatibility

Fix: Robust HF cache directory with graceful /data fallback

Fix: Gradio UI image display for text-to-LEGO generation

Fix: Gradio UI image display for text-to-LEGO generation

Fix: Disable denoising for apt-get Blender (no OpenImageDenoise)

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Fix: Use ImportLDraw operator instead of direct loadFromFile() call (best practice)

Fix: Replace f-string with string concatenation to avoid .format() conflict

Fix: Create MockOperator class to provide report() method for ImportLDraw

Fix: Use bpy.context instead of None in loadFromFile call

Add .dockerignore to optimize image size

Fix: Add ImportLDraw auto-download and verification logic

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Add pre-rendered LEGO part images (1680 parts) for part preview gallery

Fix: Add missing out_file parameter to render_bricks_safe() in CLIP flow

Fix: Add embedder key remapping for backward compatibility

Fix: Restore demo.py to use correct config file (open_model_v0.5.yaml)

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Fix: Add missing open_model.yaml config file

Fix: Use correct GPT model config (open_model.yaml)

Add LDR files for Text-to-LEGO functionality (163MB, 1313 files)

Debug: Add comprehensive diagnostic logging to trace label mapping issue

Add diagnostic logging for label mapping file loading

Add diagnostic logging for label mapping file loading