Update obsidian-kb skill and add find-skills

- obsidian-kb: Add OCR processors (easyocr, tesseract)
- obsidian-kb: Fix subtitle detection with test files
- obsidian-kb: Add cookie verification script
- Add find-skills skill for discovering capabilities
- Add video processing scripts
- Update clawhub lock file

process_video.py

@@ -0,0 +1,155 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+处理B站视频并保存到知识库
+"""
+import asyncio
+import sys
+import os
+from datetime import datetime
+
+# 添加项目路径
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'skills', 'obsidian-kb'))
+
+from src.extractors.bilibili_extractor import BilibiliExtractor
+from src.outputs.obsidian_writer import ObsidianWriter
+from src.ai_client import AIClient
+
+async def process_video(video_url):
+    """处理视频并生成 Obsidian 笔记"""
+
+    print(f"正在处理视频: {video_url}")
+    print("=" * 60)
+
+    # 1. 提取视频信息
+    print("\n步骤 1/3: 提取视频信息...")
+    extractor = BilibiliExtractor()
+    try:
+        result = await extractor._extract_async(video_url)
+        print("✅ 视频信息提取成功")
+    except Exception as e:
+        print(f"❌ 提取失败: {e}")
+        import traceback
+        traceback.print_exc()
+        return
+
+    # 显示提取的信息
+    print("\n视频信息:")
+    print("-" * 60)
+    print(f"标题: {result['metadata']['title']}")
+    print(f"UP主: {result['metadata']['author']}")
+    print(f"时长: {result['metadata']['duration']}")
+    print(f"发布时间: {result['metadata']['pubtime']}")
+    print(f"播放量: {result['stats']['view']:,}")
+    print(f"点赞: {result['stats']['like']:,}")
+    print(f"BV号: {result['metadata']['bvid']}")
+
+    # 显示字幕信息
+    subtitle = result['subtitle']
+    if subtitle:
+        lines = subtitle.split('\n')
+        print(f"\n字幕: 找到 {len(lines)} 条字幕")
+    else:
+        print("\n字幕: 该视频没有官方字幕")
+
+    # 2. 生成 Obsidian 笔记
+    print("\n步骤 2/3: 生成 Obsidian 笔记...")
+
+    # 创建笔记内容
+    now = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+
+    # 构建标签
+    tags = result['metadata']['tags'].split(', ') if result['metadata']['tags'] else []
+    tags_str = ' '.join([f"#{tag}" for tag in tags if tag])
+
+    # 构建笔记
+    note_content = f"""---
+title: "{result['metadata']['title']}"
+source: "bilibili"
+url: "{result['metadata']['url']}"
+author: "{result['metadata']['author']}"
+duration: "{result['metadata']['duration']}"
+date: "{result['metadata']['pubtime']}"
+bvid: "{result['metadata']['bvid']}"
+created: "{now}"
+stats:
+  view: {result['stats']['view']}
+  like: {result['stats']['like']}
+  coin: {result['stats']['coin']}
+  favorite: {result['stats']['favorite']}
+tags:
+{chr(10).join([f'  - {tag}' for tag in tags if tag])}
+---
+
+{tags_str}
+
+## 视频简介
+{result['description'][:500]}{'...' if len(result['description']) > 500 else ''}
+
+## 数据统计
+- 播放量: {result['stats']['view']:,}
+- 点赞: {result['stats']['like']:,}
+- 投币: {result['stats']['coin']:,}
+- 收藏: {result['stats']['favorite']:,}
+- 分享: {result['stats']['share']:,}
+
+"""
+
+    # 如果有字幕，添加到笔记
+    if subtitle:
+        note_content += "## 字幕内容\n\n"
+        note_content += f"共 {len(subtitle.split(chr(10)))} 条字幕\n\n"
+
+        # 只显示前50条字幕，避免过长
+        lines = subtitle.split('\n')
+        if len(lines) > 50:
+            note_content += '\n'.join(lines[:50])
+            note_content += f"\n\n...(还有 {len(lines) - 50} 条字幕，已省略)\n"
+        else:
+            note_content += subtitle + '\n'
+
+    print("✅ 笔记生成成功")
+
+    # 3. 保存笔记文件
+    print("\n步骤 3/3: 保存笔记文件...")
+
+    # 确定保存目录
+    kb_dir = os.path.expanduser("~/ObsidianVault")
+    if not os.path.exists(kb_dir):
+        # 如果用户的主目录没有 ObsidianVault，使用本地目录
+        kb_dir = os.path.join(os.path.dirname(__file__), 'kb_output')
+        if not os.path.exists(kb_dir):
+            os.makedirs(kb_dir)
+            print(f"创建输出目录: {kb_dir}")
+
+    # 生成文件名（使用日期和标题）
+    date_str = datetime.now().strftime('%Y%m%d')
+    safe_title = result['metadata']['title'][:50].replace('/', '-').replace('\\', '-').replace(':', '-')
+    filename = f"{date_str}-{safe_title}.md"
+
+    filepath = os.path.join(kb_dir, filename)
+
+    # 写入文件
+    with open(filepath, 'w', encoding='utf-8') as f:
+        f.write(note_content)
+
+    print(f"✅ 笔记已保存到: {filepath}")
+
+    print("\n" + "=" * 60)
+    print("🎉 处理完成！")
+    print("=" * 60)
+
+if __name__ == '__main__':
+    # 从URL中提取BV号
+    import re
+
+    video_url = "https://www.bilibili.com/video/BV1KtFzzqEUG/?spm_id_from=333.1007.tianma.2-1-4.click&vd_source=d82ff6409be4a2d868295c58516354a2"
+
+    # 提取BV号
+    bv_match = re.search(r'BV[a-zA-Z0-9]{10}', video_url)
+    if bv_match:
+        bvid = bv_match.group(0)
+        print(f"识别到BV号: {bvid}\n")
+        asyncio.run(process_video(bvid))
+    else:
+        print("❌ 无法从URL中提取BV号")