\documentclass[11pt,a4paper]{article}
\usepackage[UTF8]{ctex}
\usepackage{amsmath,amssymb,amsthm}
\usepackage{booktabs}
\usepackage{enumitem}
\usepackage{graphicx}
\usepackage{hyperref}
\usepackage[margin=2.3cm,headheight=16pt,headsep=0.75cm,footskip=1.1cm]{geometry}
\usepackage[most]{tcolorbox}
\usepackage{tabularx}
\usepackage{array}
\usepackage{xcolor}
\usepackage{fancyhdr}
\usepackage{lastpage}
\usepackage{longtable}
\usepackage{titlesec}
\usepackage{needspace}

\hypersetup{
  colorlinks=true,
  linkcolor=black,
  urlcolor=black,
  pdftitle={AITP Research Notebook - Aitp Research Notebook Sample}
}

\setlength{\parindent}{0pt}
\setlength{\parskip}{0.55em}
\renewcommand{\arraystretch}{1.15}
\setlist[itemize]{leftmargin=1.8em}
\setlist[description]{style=nextline,leftmargin=1.8em,labelsep=0.6em}

\definecolor{ink}{RGB}{32,38,46}
\definecolor{muted}{RGB}{93,103,118}
\definecolor{linecolor}{RGB}{216,222,230}
\definecolor{softfill}{RGB}{247,249,252}

\definecolor{candidateframe}{RGB}{32,88,146}
\definecolor{candidateback}{RGB}{242,247,253}
\definecolor{strategyframe}{RGB}{120,82,38}
\definecolor{strategyback}{RGB}{250,246,239}
\definecolor{autoframe}{RGB}{86,93,113}
\definecolor{autoback}{RGB}{244,246,249}
\definecolor{journalframe}{RGB}{60,115,88}
\definecolor{journalback}{RGB}{242,248,244}
\definecolor{loopframe}{RGB}{140,54,104}
\definecolor{loopback}{RGB}{250,242,248}

\definecolor{resultcolor}{RGB}{28,115,76}
\definecolor{resultback}{RGB}{236,247,241}
\definecolor{warncolor}{RGB}{176,105,24}
\definecolor{warnback}{RGB}{252,244,233}
\definecolor{failcolor}{RGB}{176,54,54}
\definecolor{failback}{RGB}{252,238,238}

\newcommand{\result}[1]{\textcolor{resultcolor}{#1}}
\newcommand{\warn}[1]{\textcolor{warncolor}{#1}}
\newcommand{\fail}[1]{\textcolor{failcolor}{#1}}

\newtcbox{\entrytag}{on line,boxsep=0.45mm,left=1.1mm,right=1.1mm,top=0.3mm,bottom=0.3mm,
  colback=white,colframe=linecolor,boxrule=0.4pt,arc=0.9mm,
  fontupper=\ttfamily\scriptsize\color{muted}}

\newtcbox{\metabox}{on line,boxsep=0.55mm,left=1.2mm,right=1.2mm,top=0.45mm,bottom=0.45mm,
  colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm}

\newcommand{\metaitem}[2]{\metabox{\textcolor{muted}{\scriptsize\textsf{#1}}\hspace{0.45em}\texttt{\scriptsize #2}}}

\newcommand{\kindpill}[2]{\tcbox[on line,boxsep=0.6mm,left=1.4mm,right=1.4mm,top=0.45mm,bottom=0.45mm,
  colback=#1,colframe=#1,boxrule=0pt,arc=1.2mm]{\textcolor{white}{\textsf{\scriptsize\bfseries #2}}}}

\newcommand{\statusgood}[1]{\tcbox[on line,boxsep=0.6mm,left=1.4mm,right=1.4mm,top=0.45mm,bottom=0.45mm,
  colback=resultback,colframe=resultcolor,boxrule=0.45pt,arc=1.2mm]{\textcolor{resultcolor}{\textsf{\scriptsize\bfseries Status: #1}}}}

\newcommand{\statuswarn}[1]{\tcbox[on line,boxsep=0.6mm,left=1.4mm,right=1.4mm,top=0.45mm,bottom=0.45mm,
  colback=warnback,colframe=warncolor,boxrule=0.45pt,arc=1.2mm]{\textcolor{warncolor}{\textsf{\scriptsize\bfseries Status: #1}}}}

\newcommand{\statusfail}[1]{\tcbox[on line,boxsep=0.6mm,left=1.4mm,right=1.4mm,top=0.45mm,bottom=0.45mm,
  colback=failback,colframe=failcolor,boxrule=0.45pt,arc=1.2mm]{\textcolor{failcolor}{\textsf{\scriptsize\bfseries Status: #1}}}}

\titleformat{\section}
  {\Large\bfseries\color{ink}}
  {}
  {0pt}
  {}

\titlespacing*{\section}{0pt}{2.0em}{0.75em}

\pagestyle{fancy}
\fancyhf{}
\fancyhead[L]{\small\textsf{AITP Research Notebook}}
\fancyhead[R]{\small\nouppercase{\leftmark}}
\fancyfoot[L]{\small\textsf{Aitp Research Notebook Sample}}
\fancyfoot[R]{\small\textsf{Page \thepage\ of \pageref*{LastPage}}}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0pt}

\title{AITP Research Notebook\\[0.5em]
\large Topic: Aitp Research Notebook Sample}
\author{AITP Kernel}
\date{Generated: 2026-04-18T21:38:56+08:00}

\begin{document}
\begin{titlepage}
\thispagestyle{empty}
\vspace*{0.12\textheight}

{\Huge\bfseries\color{ink} AITP Research Notebook\par}
\vspace{0.8em}
{\Large\color{muted} Topic: Aitp Research Notebook Sample\par}
\vspace{1.8em}

\begin{tcolorbox}[
  enhanced,
  width=0.92\textwidth,
  colback=softfill,
  colframe=linecolor,
  boxrule=0.6pt,
  arc=1.5mm,
  left=2.5mm,
  right=2.5mm,
  top=2mm,
  bottom=2mm
]
\small\color{ink}
This notebook is rebuilt from the authoritative JSONL operation log.
Each section records one research event, preserving narrative context,
machine metadata, and structured details for later audit.
\end{tcolorbox}

\vfill
{\large\color{ink} AITP Kernel\par}
\vspace{0.4em}
{\normalsize\color{muted} Generated: 2026-04-18T21:38:56+08:00\par}
\end{titlepage}

\tableofcontents
\clearpage
\needspace{12\baselineskip}
\section{Candidate Update: Finite-size scaling looks stable}

\begin{tcolorbox}[enhanced,breakable,colback=candidateback,colframe=candidateframe,boxrule=0.7pt,arc=1.5mm,left=1.6mm,right=1.6mm,top=1.4mm,bottom=1.4mm,before skip=0.25em,after skip=1.1em,borderline west={2.5mm}{0pt}{candidateframe}]
\noindent \kindpill{candidateframe}{Candidate Update} \hspace{0.45em} \entrytag{candidate\_update} \hspace{0.45em} \metaitem{Time}{2026-04-18T21:38:56+08:00} \hspace{0.45em} \metaitem{Run}{demo-run-001} \hspace{0.45em} \statusgood{promoted}\par

候选结论：在当前 toy model 上，谱隙随系统尺寸增大呈现稳定收敛趋势。

Inline check: the fitted exponent is $\alpha \approx 1.97$.

$$\Delta_N \approx \Delta_\infty + c N^{-\alpha}$$

\begin{tcolorbox}[enhanced,breakable,colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm,left=1.1mm,right=1.1mm,top=0.9mm,bottom=0.9mm]
{\small\bfseries\color{ink} Structured Details}\par\medskip
\begin{tabularx}{\linewidth}{@{}>{\raggedright\arraybackslash\ttfamily\footnotesize\color{muted}}p{0.28\linewidth}>{\raggedright\arraybackslash}X@{}}
\toprule
\textnormal{Field} & \textnormal{Value} \\
\midrule
dataset & toy\_chain\_v3 \\
fit\_window & N = 24, 32, 40, 48 \\
residual & 1.8e-3 \\
artifacts & ["figures/gap\_fit.pdf", "tables/gap\_fit.csv"] \\
\bottomrule
\end{tabularx}
\end{tcolorbox}

\end{tcolorbox}

\needspace{12\baselineskip}
\section{Strategy Record: Symmetry-constrained ansatz before brute-force sweeps}

\begin{tcolorbox}[enhanced,breakable,colback=strategyback,colframe=strategyframe,boxrule=0.7pt,arc=1.5mm,left=1.6mm,right=1.6mm,top=1.4mm,bottom=1.4mm,before skip=0.25em,after skip=1.1em,borderline west={2.5mm}{0pt}{strategyframe}]
\noindent \kindpill{strategyframe}{Strategy Record} \hspace{0.45em} \entrytag{strategy} \hspace{0.45em} \metaitem{Time}{2026-04-18T21:38:56+08:00} \hspace{0.45em} \metaitem{Run}{demo-run-002} \hspace{0.45em} \statuswarn{tentative}\par

这次更有效的做法不是盲扫参数，而是先把对称性约束写清楚，再缩小搜索空间。

Practical note: keep a short rejection log for ansatz choices that fail quickly.

\begin{tcolorbox}[enhanced,breakable,colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm,left=1.1mm,right=1.1mm,top=0.9mm,bottom=0.9mm]
{\small\bfseries\color{ink} Structured Details}\par\medskip
\begin{tabularx}{\linewidth}{@{}>{\raggedright\arraybackslash\ttfamily\footnotesize\color{muted}}p{0.28\linewidth}>{\raggedright\arraybackslash}X@{}}
\toprule
\textnormal{Field} & \textnormal{Value} \\
\midrule
worked\_because & Search space dropped by roughly one order of magnitude. \\
watch\_out & Can over-constrain the trial family if assumptions are too strong. \\
\bottomrule
\end{tabularx}
\end{tcolorbox}

\end{tcolorbox}

\needspace{12\baselineskip}
\section{Automated Action: Automated follow-up search surfaced a mismatch}

\begin{tcolorbox}[enhanced,breakable,colback=autoback,colframe=autoframe,boxrule=0.7pt,arc=1.5mm,left=1.6mm,right=1.6mm,top=1.4mm,bottom=1.4mm,before skip=0.25em,after skip=1.1em,borderline west={2.5mm}{0pt}{autoframe}]
\noindent \kindpill{autoframe}{Automated Action} \hspace{0.45em} \entrytag{auto\_action} \hspace{0.45em} \metaitem{Time}{2026-04-18T21:38:56+08:00} \hspace{0.45em} \metaitem{Run}{demo-run-003} \hspace{0.45em} \statusfail{failed}\par

自动动作触发后，系统对 benchmark 文献和当前推导做了对照。

Result: one reference used a different normalization convention, so the first comparison failed.

\begin{tcolorbox}[enhanced,breakable,colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm,left=1.1mm,right=1.1mm,top=0.9mm,bottom=0.9mm]
{\small\bfseries\color{ink} Structured Details}\par\medskip
\begin{tabularx}{\linewidth}{@{}>{\raggedright\arraybackslash\ttfamily\footnotesize\color{muted}}p{0.28\linewidth}>{\raggedright\arraybackslash}X@{}}
\toprule
\textnormal{Field} & \textnormal{Value} \\
\midrule
trigger & follow-up literature scan \\
mismatch & \{"field": "normalization", "expected": "2pi periodic", "observed": "pi periodic"\} \\
next\_action & Recompute comparison under unified convention. \\
\bottomrule
\end{tabularx}
\end{tcolorbox}

\end{tcolorbox}

\needspace{12\baselineskip}
\section{Iteration Journal: Loop 4 summary and confidence update}

\begin{tcolorbox}[enhanced,breakable,colback=journalback,colframe=journalframe,boxrule=0.7pt,arc=1.5mm,left=1.6mm,right=1.6mm,top=1.4mm,bottom=1.4mm,before skip=0.25em,after skip=1.1em,borderline west={2.5mm}{0pt}{journalframe}]
\noindent \kindpill{journalframe}{Iteration Journal} \hspace{0.45em} \entrytag{iteration\_journal} \hspace{0.45em} \metaitem{Time}{2026-04-18T21:38:56+08:00} \hspace{0.45em} \metaitem{Run}{demo-run-004} \hspace{0.45em} \statuswarn{in\_review}\par

本轮闭环的关键进展是：候选命题没有被推翻，但可信度提升主要来自排除了两个常见伪象。

Confidence moved from cautious to moderately positive, but not yet publication-ready.

\begin{tcolorbox}[enhanced,breakable,colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm,left=1.1mm,right=1.1mm,top=0.9mm,bottom=0.9mm]
{\small\bfseries\color{ink} Structured Details}\par\medskip
\begin{tabularx}{\linewidth}{@{}>{\raggedright\arraybackslash\ttfamily\footnotesize\color{muted}}p{0.28\linewidth}>{\raggedright\arraybackslash}X@{}}
\toprule
\textnormal{Field} & \textnormal{Value} \\
\midrule
surprises & ["Finite-size drift was smaller than expected.", "One control experiment was inconclusive."] \\
stuckness & low \\
human\_attention\_needed & Check whether the benchmark choice is too easy. \\
\bottomrule
\end{tabularx}
\end{tcolorbox}

\end{tcolorbox}

\needspace{12\baselineskip}
\section{Closed-Loop Result: Notebook-style closure snapshot}

\begin{tcolorbox}[enhanced,breakable,colback=loopback,colframe=loopframe,boxrule=0.7pt,arc=1.5mm,left=1.6mm,right=1.6mm,top=1.4mm,bottom=1.4mm,before skip=0.25em,after skip=1.1em,borderline west={2.5mm}{0pt}{loopframe}]
\noindent \kindpill{loopframe}{Closed-Loop Result} \hspace{0.45em} \entrytag{closed\_loop\_result} \hspace{0.45em} \metaitem{Time}{2026-04-18T21:38:56+08:00} \hspace{0.45em} \metaitem{Run}{demo-run-005} \hspace{0.45em} \statusgood{approved}\par

闭环结果：当前路线值得继续，但应把“规范约定统一”提升为显式 gate。

Summary metric: $F_1 = 0.91$, with no contradiction detected in the present validation slice.

$$\mathcal{L}_{\mathrm{score}} = \lambda_1 E_{\mathrm{fit}} + \lambda_2 E_{\mathrm{consistency}}$$

\begin{tcolorbox}[enhanced,breakable,colback=white,colframe=linecolor,boxrule=0.4pt,arc=1.0mm,left=1.1mm,right=1.1mm,top=0.9mm,bottom=0.9mm]
{\small\bfseries\color{ink} Structured Details}\par\medskip
\begin{tabularx}{\linewidth}{@{}>{\raggedright\arraybackslash\ttfamily\footnotesize\color{muted}}p{0.28\linewidth}>{\raggedright\arraybackslash}X@{}}
\toprule
\textnormal{Field} & \textnormal{Value} \\
\midrule
decision & continue\_with\_guardrail \\
metrics & \{"f1": 0.91, "consistency\_checks": 7, "failures": 1\} \\
artifacts & ["reports/closure\_summary.md", "plots/consistency\_matrix.pdf"] \\
\bottomrule
\end{tabularx}
\end{tcolorbox}

\end{tcolorbox}

\end{document}
