- simple_offline_video_generation.py: standalone T2V/I2V example with profiling
  - Supports --resolutions for multi-resolution runs in single process
  - All Wan 2.1/2.2 models, LoRA, MoE, configurable resolution/steps
- all_wan_model_speed_metric.py: automated benchmark across all model variants
  - Streams output in real-time (tqdm visible)
  - Cleans up child processes on exit
- BUILD.bazel targets for both scripts

Signed-off-by: jglee-sqbits <jingu.lee@squeezebits.com>