feat: Update CLAUDE.md and add playwright-cli skills

.claude/skills/playwright-cli/references/video-recording.md

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+# Video Recording
+
+Capture browser automation sessions as video for debugging, documentation, or verification. Produces WebM (VP8/VP9 codec).
+
+## Basic Recording
+
+```bash
+# Start recording
+playwright-cli video-start
+
+# Perform actions
+playwright-cli open https://example.com
+playwright-cli snapshot
+playwright-cli click e1
+playwright-cli fill e2 "test input"
+
+# Stop and save
+playwright-cli video-stop demo.webm
+```
+
+## Best Practices
+
+### 1. Use Descriptive Filenames
+
+```bash
+# Include context in filename
+playwright-cli video-stop recordings/login-flow-2024-01-15.webm
+playwright-cli video-stop recordings/checkout-test-run-42.webm
+```
+
+## Tracing vs Video
+
+| Feature | Video | Tracing |
+|---------|-------|---------|
+| Output | WebM file | Trace file (viewable in Trace Viewer) |
+| Shows | Visual recording | DOM snapshots, network, console, actions |
+| Use case | Demos, documentation | Debugging, analysis |
+| Size | Larger | Smaller |
+
+## Limitations
+
+- Recording adds slight overhead to automation
+- Large recordings can consume significant disk space