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      "steps_per_model": 40000,
      "seed": 20261112,
      "split_one_based": {
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      "update": "One full-grid next-frame sample per optimizer update; cycle60 pairs (3 TRAIN cases x20 target frames)",
      "input": "XYZ/local material indicator and full original material-boundary point cloud; variable applied load prefix1..t",
      "input_names": [
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      "output": "65536x1 stress at target step",
      "history_window": null,
      "initial_condition": {
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        "stress": 0,
        "source": "User-prescribed initial state; not an added FEM sample"
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      "training_feedback": "No GT stress input; supervised target only",
      "evaluation_feedback": "No predicted stress feedback; causal loading-prefix-to-field",
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      "loss": "Normalized next-frame MSE over material pixels only",
      "optimizer": "AdamW lr3e-4, inherited after-update schedule1e-4 after6001,3e-5 after12001; wd0,clip1",
      "precision": "FP32/TF32 no AMP",
      "milestones": [
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        30000,
        40000
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      "validation_selection": "Minimum Case4 causal-prefix20-frame relative L2 among fixed milestones, strict improvement and earlier tie wins",
      "test_policy": "Case5 only after40000 and selection frozen; fixed40000 and validation-best reported separately",
      "initialization": "New random initial states seed20261112",
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      "source_SHA256": {
        "geometry.npy": "ec23200b397d1dee0f5000f7b2708b00e589eb9cfe876ab4a8a327e1a6e2aaf0",
        "loading_sequence.npy": "38b59b735870bd7e4c92e87f04663075e5d97eb5f0b449d7918ee7ad1adec9d8",
        "stress_field.npy": "26df2501a022fc67b382f1038381b8502444e3c8e5acde25079eb114e1cd4071"
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      "scope": "Geometry-conditioned causal loading history operators; only1val/1test; adapted architectures, not unchanged official reproduction",
      "budget_comparison": "Same one-target-frame40000 updates as P04; temporal input and architecture differ; parameter/FLOPs/time not equalized",
      "time_method": "Epoch wall intervals and Windows/file UTC boundaries; CUDA-event clocks not used",
      "architecture_adaptations": "CMAME GINOT official boundary point cloud encoder and Trunk; width64,8heads,4geometry self-attention and4decoder cross-attention blocks;128 FPS centers,32neighbors,radius0.2 in[-1,1] coordinates; same P05 GRU256/128 history conditioner added to encoded query; no geometry CNN; original material boundary pixels incl outer edge and hole, no label interpolation"
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      "admission_wait_seconds": 66.22924709320068,
      "worker_startup_seconds": 0.8706960678100586,
      "idle_observations": 3,
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      "finished_unix": 1794550710.022183,
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      "all_completed": true
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    "scope": "Only1 validation case and1 test case; Causal loading-prefix-to-field evaluation over20 frames; full geometry and past/current loads only; no observed or predicted stress feedback",
    "time_note": "Official durations use filesystem UTC preflight-to-final-loss and final-loss-to-summary intervals. Training-process UTC includes scheduled validation and checkpoint overhead; initial setup/preflight is excluded. P06 records epoch wall components without CUDA-event timing; verify against UTC intervals. Same optimizer-update count is not equal supervised-frame exposure versus P03. Queue wait is separate."
  },
  "scope": "P06: loading-prefix train, variable-length causal load prefix, full-boundary point-cloud encoder, no GT or predicted stress feedback; TRAIN3 / validation1 / test1"
}