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

test_play_screenshot.py

@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+播放视频并截屏，查看字幕
+"""
+import asyncio
+from playwright.async_api import async_playwright
+
+async def play_and_screenshot(bvid):
+    """播放视频并截屏"""
+    url = f"https://www.bilibili.com/video/{bvid}"
+
+    async with async_playwright() as playwright:
+        browser = await playwright.chromium.launch(headless=False)  # 使用有头模式
+        context = await browser.new_context(viewport={'width': 1920, 'height': 1080})
+        page = await context.new_page()
+
+        print(f"正在访问视频: {url}")
+        print("=" * 80)
+
+        print("\n1. 访问页面...")
+        await page.goto(url, wait_until='networkidle', timeout=60000)
+        await asyncio.sleep(3)
+
+        print("2. 截取初始状态...")
+        await page.screenshot(path="/tmp/bilibili_1_initial.png")
+
+        print("3. 尝试点击播放按钮...")
+        try:
+            # 尝试多个可能的播放按钮选择器
+            selectors = [
+                '.bpx-player-ctrl-play',
+                '.bpx-player-shadow-play-area',
+                'video',
+            ]
+
+            for selector in selectors:
+                element = await page.query_selector(selector)
+                if element:
+                    await element.click()
+                    print(f"   ✅ 已点击 {selector}")
+                    break
+        except Exception as e:
+            print(f"   ⚠️  点击播放失败: {e}")
+
+        print("4. 等待视频播放...")
+        await asyncio.sleep(10)
+
+        print("5. 截取播放中状态...")
+        await page.screenshot(path="/tmp/bilibili_2_playing.png")
+
+        print("6. 尝试点击字幕按钮...")
+        try:
+            # 查找字幕按钮
+            subtitle_btn = await page.query_selector('.bpx-player-ctrl-subtitle')
+            if subtitle_btn:
+                is_enabled = await subtitle_btn.is_enabled()
+                print(f"   字幕按钮状态: {'可用' if is_enabled else '不可用'}")
+                if is_enabled:
+                    await subtitle_btn.click()
+                    print("   ✅ 已点击字幕按钮")
+                    await asyncio.sleep(2)
+                    await page.screenshot(path="/tmp/bilibili_3_subtitle_on.png")
+        except Exception as e:
+            print(f"   ⚠️  点击字幕按钮失败: {e}")
+
+        print("7. 获取页面文本内容（包含字幕）...")
+        try:
+            # 获取所有文本
+            body_text = await page.evaluate('() => document.body.innerText')
+            # 查找可能包含字幕的元素
+            subtitle_elements = await page.query_selector_all('[class*="subtitle"], [class*="caption"]')
+            print(f"   找到 {len(subtitle_elements)} 个可能的字幕元素")
+            for i, elem in enumerate(subtitle_elements[:5]):
+                text = await elem.inner_text()
+                if text.strip():
+                    print(f"      [{i+1}] {text[:100]}")
+        except Exception as e:
+            print(f"   ⚠️  获取文本失败: {e}")
+
+        print("\n8. 检查页面中是否有动态字幕数据...")
+        try:
+            script_result = await page.evaluate('''
+                () => {
+                    const results = {
+                        hasSubtitlePlugin: false,
+                        subtitleText: '',
+                        captions: [],
+                    };
+
+                    // 检查播放器实例
+                    const playerContainer = document.querySelector('.bpx-player-container');
+                    if (playerContainer) {
+                        results.playerExists = true;
+                    }
+
+                    // 查找字幕元素
+                    const captionElements = document.querySelectorAll('.bpx-player-caption');
+                    captionElements.forEach(el => {
+                        results.captions.push(el.innerText);
+                    });
+
+                    return results;
+                }
+            ''')
+            print(f"   检查结果: {script_result}")
+        except Exception as e:
+            print(f"   ⚠️  检查失败: {e}")
+
+        print("\n9. 等待30秒查看效果...")
+        await asyncio.sleep(30)
+
+        print("10. 截取最终状态...")
+        await page.screenshot(path="/tmp/bilibili_4_final.png")
+
+        print("\n" + "=" * 80)
+        print("测试完成！请检查以下截图：")
+        print("  /tmp/bilibili_1_initial.png  - 初始状态")
+        print("  /tmp/bilibili_2_playing.png  - 播放中")
+        print("  /tmp/bilibili_3_subtitle_on.png - 开启字幕后（如果有）")
+        print("  /tmp/bilibili_4_final.png    - 最终状态")
+        print("=" * 80)
+
+        print("\n按回车键关闭浏览器...")
+        # 等待用户确认（但在自动化环境中会自动继续）
+        await asyncio.sleep(5)
+
+        await browser.close()
+
+if __name__ == '__main__':
+    bvid = "BV1KtFzzqEUG"
+    asyncio.run(play_and_screenshot(bvid))