feat: add paper/ LaTeX draft, English data scripts, update progress docs

- paper/: 22-page LaTeX framework (7/10 sections complete, compiles cleanly)
  main.tex + 10 section files + refs.bib + compiled PDF (329KB)
- code/scripts/: three English dataset generation & merging scripts
  generate_english.py / generate_english_targeted.py / merge_v5.py
- CLAUDE.md: update paper writing status, add paper/ file map entry
- state.md: add section 8 paper writing progress (2026-05-15)
- .gitignore: add LaTeX build artifact exclusion rules

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

paper/main.tex

@@ -0,0 +1,61 @@
+% ============================================================
+%  CompanionGuard-RL — 论文主控文件
+%  格式：ctexart（中文草稿）
+%  目标期刊：IPM / ESA（Elsevier，投稿前换 elsarticle.cls）
+%  编译：xelatex main.tex
+% ============================================================
+\documentclass[12pt, a4paper]{ctexart}
+
+% ---------- 基础包 ----------
+\usepackage{geometry}
+\geometry{left=2.5cm, right=2.5cm, top=2.5cm, bottom=2.5cm}
+\usepackage{amsmath, amssymb}
+\usepackage{graphicx}
+\usepackage{booktabs}       % 三线表
+\usepackage{multirow}
+\usepackage{array}
+\usepackage{xcolor}
+\usepackage{hyperref}
+\usepackage{cite}
+\usepackage{makecell}
+
+% ---------- TODO 宏（红色标注待填内容） ----------
+\newcommand{\todo}[1]{\textcolor{red}{\textbf{[TODO: #1]}}}
+\newcommand{\citeneeded}{\textcolor{orange}{\textbf{[CITE]}}}
+\newcommand{\placeholder}[1]{\textcolor{blue}{\textit{#1}}}
+
+% ---------- 论文元信息 ----------
+\title{CompanionGuard-RL：面向情感陪伴AI的上下文感知风险检测\\与自适应干预框架}
+
+\author{张思远 \and \todo{共同作者}}
+
+\date{\today}
+
+% ============================================================
+\begin{document}
+
+\maketitle
+
+\begin{abstract}
+\input{sections/00_abstract}
+\end{abstract}
+
+\tableofcontents
+\newpage
+
+% ---------- 各章节 ----------
+\input{sections/01_intro}
+\input{sections/02_related}
+\input{sections/03_taxonomy}
+\input{sections/04_dataset}
+\input{sections/05_moduleB}
+\input{sections/06_moduleC}
+\input{sections/07_experiments}
+\input{sections/08_discussion}
+\input{sections/09_conclusion}
+
+% ---------- 参考文献 ----------
+\bibliographystyle{unsrt}
+\bibliography{refs}
+
+\end{document}