feat: 钉钉群聊飞书文档收集与知识图谱系统初始提交

- 通过悟空(dws CLI)拉取dc战略问题研究院+创新组两个群的消息(377条)
- 提取190个飞书链接、18个文件附件
- 下载HTML/MD/XLSX等报告文件到output/downloaded-files/
- 构建知识图谱(JSON+HTML可视化)
- 生成Obsidian知识库(28个页面,7大主题)
- 生成花园世界全量汇总报告
- 所有脚本路径改为相对路径,便于迁移

.gitignore

@@ -0,0 +1,68 @@
+# Dependencies
+node_modules/
+
+# Large media files (videos 186MB+, PPTs 307MB+)
+videos/
+dc_files/
+工作流总结-王雨默.html
+
+# Temp/intermediate files
+.claude/
+dingtalk-workspace-temp/
+full_content_progress.json
+read_progress.json
+browser_extracted_docs.json
+feishu_content.json
+feishu_docs_content.json
+feishu_docs_sample.json
+feishu_links_*.json
+feishu_summary_*.md
+access_test.csv
+docs_index.csv
+batch_fetch.js
+package.json
+package-lock.json
+test_docs.ps1
+extract_title.ps1
+fetch_accessible_docs.ps1
+generate_summary.ps1
+
+# Intermediate Python scripts (not needed for reproduction)
+generate_full_content_report.py
+generate_full_report.py
+generate_report.py
+generate_report_v2.py
+generate_report_simple.py
+read_all_docs.py
+read_batch.py
+read_feishu_docs.py
+
+# Intermediate reports
+analysis_report.md
+research_analysis.md
+academic_research_details.md
+technical_solutions.md
+summary.md
+full_content_report.md
+
+# Raw data dumps (regenerable)
+data/raw-messages/
+
+# Duplicate of obsidian_vault (kept in output/)
+obsidian_vault/
+
+# Duplicate of dc_html_md (kept in output/)
+dc_html_md/
+
+# Python cache
+__pycache__/
+*.pyc
+
+# Env files
+.env
+.env.*
+
+# OS files
+Thumbs.db
+Desktop.ini
+.DS_Store