Will Lin 3d405f6dfa [feat] v2 torch backend: CLIP image-encoder adapter + image_encoder component kind (i2v groundwork) ...

Adds CLIPImageEncoder (encode_image -> the DiT's encoder_hidden_states_image) + the generic builder's
image_encoder maker (ImageEncoderLoader + ImageProcessorLoader), registered as the cuda 'image_encoder'
kind. Mirrors fastvideo's ImageEncodingStage. CPU-verified (component-kinds + lazy invariant, 211/2);
GPU path marked BRINGUP/written-not-run (processor subfolder + dtype to confirm on a real i2v checkpoint),
matching how the rest of the torch backend was originally landed. Reusable by the Wan i2v cluster + many
bucket-C models (Hunyuan/Cosmos i2v). Next i2v increments: the mask+cond latent construction + the
concat-into-DiT-input loop, then the card + registry + GPU-verify with Wan2.1-Fun-1.3B-InP.

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..

test_adapters.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_adaptive_compute.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_admission.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_cache.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_contracts.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_cudagraph.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_extensions.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_flywheel.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_inference.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_interleave_gate.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_joint_multi_rl.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_ltx2_av.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_nested_workflow.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_omni.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_parity.py

[refactor] rename package mini_fastvideo → v2

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test_platform.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_policies.py

[refactor] rename package mini_fastvideo → v2

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test_review_fixes.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_sampling_defaults.py

[feat] v2: port Wan2.1-T2V-14B (bucket B) + document the all-models backlog

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test_served_reward.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_serving_fixes.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_serving.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_speculative.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_t2i_i2v_workflow.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_thinker_talker.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_tiled_scheduling.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_torch_backend.py

[feat] v2 torch backend: CLIP image-encoder adapter + image_encoder component kind (i2v groundwork)

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test_training.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_unified_rl.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_weight_sync_live.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_workflow_rl.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_workflow_shapes.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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test_world_session.py

[refactor] v2: rename models/ (recipe layer) -> recipes/; move toy backend -> platform/backends/toy.py

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