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Three small parity fixes uncovered while comparing the LTX-2 distilled path against FastVideo-internal: * `FastVideoArgs.__post_init__` now calls `_resolve_refine_args()` to copy the public-facing generic `refine_*` knobs onto their `ltx2_refine_*` runtime carriers (mirrors internal lines 303-322). Without this, callers that set `refine_lora_path=...` via the typed CLI/config surface would silently drop the value, surfacing later as the "applied to 0 layers" warning. * Revert the patch-noise sampler in `_randn_ltx2_video_latents` from `randn_tensor` back to `torch.randn` to bit-match internal under single-generator inference. `randn_tensor` is identical for a single `torch.Generator` but diverges for `list[Generator]` (per-sample seeds), which is the only place the two paths could disagree. * Classify the 19 previously-unclassified `refine_*` / `ltx2_refine_*` / `ltx2_audio_latent_path` / `ltx2_images` / `ltx2_image_crf` / `ltx2_conditioning_latent_*` / `ltx2_video_conditions` fields in the schema-parity inventory yaml so the parity test passes. Co-authored-by: Junda (David) Su <90978028+Davids048@users.noreply.github.com> Co-authored-by: Matthew Noto <99706358+RandNMR73@users.noreply.github.com> Co-authored-by: XOR-op <17672363+XOR-op@users.noreply.github.com> Co-authored-by: Zhang Peiyuan <42993249+jzhang38@users.noreply.github.com>