Summary

• add and refresh README demo assets, with compressed recordings
• persist and replay usage metrics in the frontend and session history
• preserve explicit URL schemes such as file:// in tab commands

Validation

• uv run pytest server/tests/unit/test_agent_api_multiprocess.py server/tests/unit/test_browser_executor_bundle.py
• uv run pytest server/tests/unit/test_command_models.py
• bun test extension/src/commands/tests/tab-manager-url-normalization.test.ts extension/src/commands/tests/tab-manager-cleanup.test.ts
• npm run build