chore: sync local Space files

feat: add seed controls

Local TE/VAE defaults: Hub bootstrap + vendor anima_local_te_vae patch

Switch backend to diffusers (diffusers-anima); RDBT via from_single_file

fix: remove comfy_entry early torch import; TORCH_CUDNN_SDPA via env + main.py only (allocator conflict)

feat: run Comfy+weights bootstrap at Space import; ANIMA_SKIP_STARTUP_BOOTSTRAP for tests

Upload Anima RDBT Gradio ZeroGPU Space (Comfy backend, bootstrap, tests)