Add screenshots to tray notification documentation

[abrichr]

Overview

Screenshots needed for tray notification documentation in PR #2.

Screenshots Needed (5-8)

1. Tray icon in menu bar (idle state)
2. Tray menu expanded
3. Basic notification popup
4. Critical notification popup
5. Notification Center with grouped notifications
6. (Optional) Recording state icon
7. (Optional) Training state icon
8. (Optional) Error state icon

Simplified Workflow

We now have an automated workflow:

# 1. Generate notifications
uv run python test_notification_simple.py

# 2. Take screenshots with Cmd+Shift+4

# 3. Auto-rename and move
python rename_screenshots.py

# 4. Commit
git add docs/screenshots/
git commit -m 'Add screenshots'

See SCREENSHOT_SIMPLE.md for detailed instructions.

Time Estimate

10-15 minutes with automated workflow

References

• PR Implement native notifications with desktop-notifier #2: Implement native notifications with desktop-notifier #2
• Simplified guide: SCREENSHOT_SIMPLE.md
• Auto-rename script: rename_screenshots.py
• Research: docs/SCREENSHOT_AUTOMATION_SUMMARY.md (concluded manual is better)