schema: superpaper.ledger/v1
retired_ids: []
paper:
  id: pipeline-delegate
  title: A One-Step Predictor
  authors: ["Fixture"]
  notes_language: zh
  source: {kind: excerpt}
coverage:
  mode: excerpt
  sections_in: ["1"]
questions:
  - {id: Q1, text: "前向主路和损失如何分开？", source: "excerpt"}
claims:
  - id: C1
    text: "一次前向是 x → f_θ → ŷ；损失不在主路上"
    kind: contribution
    status: core
    supports: [Q1]
definitions: []
assumptions: []
lemmas: []
symbols:
  - {name: x, latex: "x", meaning: "输入", kind: value}
  - {name: yhat, latex: "\\hat y", meaning: "预测", kind: value}
  - {name: L, latex: "L", meaning: "损失", kind: scalar}
derivations:
  - id: DER1
    claim: C1
    title: "前向定义"
    expand: true
    figure: null
    steps:
      - {id: S1, from: "x", to: "f_\\theta(x)=\\hat y", rule: definition}
figures:
  - id: F1
    claim: C1
    title: "一次前向与侧路损失"
    grammar: pipeline
    toolkit: superfig
    signals: [pipeline, what-eats-what]
    request: figures/F1/F1.request.md
    include: figures/F1/build/F1.pdf
    status: included
evidence: []
terms: []
source_assets: []