[Feat] Support Pipeline Resolution Based on HF Config & Make Pipeline Registry Eager (#3760)

Signed-off-by: Alex Brooks <albrooks@redhat.com>

tests/test_diffusion_config_propagation.py

@@ -10,7 +10,7 @@ from collections.abc import Mapping
 import pytest
 import torch
 
-from vllm_omni.config.stage_config import StageConfigFactory
+from vllm_omni.config.config_factory import StageConfigFactory
 from vllm_omni.diffusion.data import (
     DiffusionParallelConfig,
     OmniDiffusionConfig,