## ADDED Requirements

### Requirement: Site includes AI-themed favicon
The system SHALL include an AI-themed favicon asset and reference it from public pages.

#### Scenario: Favicon linked in document head
- **WHEN** a public page is loaded
- **THEN** a favicon link element resolves to the configured AI-themed icon asset

#### Scenario: Favicon asset is cacheable and valid
- **WHEN** browser requests favicon asset
- **THEN** asset responds successfully with a valid icon format
- **AND** can be cached using standard static-asset policy
