update: docs

docs/project-book/Makefile

@@ -0,0 +1,19 @@
+# 智析反诈 项目书 - LaTeX 编译
+# 使用: make 或 make pdf
+
+MAIN = main
+LATEX = xelatex
+BUILD_DIR = build
+
+.PHONY: pdf clean
+
+pdf: $(MAIN).tex
+	@mkdir -p $(BUILD_DIR)
+	$(LATEX) -output-directory=$(BUILD_DIR) -interaction=nonstopmode $(MAIN).tex
+	$(LATEX) -output-directory=$(BUILD_DIR) -interaction=nonstopmode $(MAIN).tex
+	@cp $(BUILD_DIR)/$(MAIN).pdf . 2>/dev/null || true
+	@echo "PDF 已生成: $(BUILD_DIR)/$(MAIN).pdf"
+
+clean:
+	rm -rf $(BUILD_DIR)
+	rm -f *.aux *.log *.toc *.out *.bbl *.blg *.synctex.gz