T-10: File → Open Recent dynamic submenu

[kirich1409]

Part of EPIC #193. Depends on #203.

Description

Add a Menu("Open Recent") { ForEach(recentProjects) { ... } } inside CommandGroup(after: .newItem). Clicking an entry dispatches requestOpenProject(url, disposition: nil) into the key window store. Favorites section on top, divider, Recent entries below, "Clear Menu" at the bottom. Limit to 10 entries.

Acceptance Criteria

• Menu dynamically reflects the recentProjects state
• Favorites are shown first with a ⭐ marker
• "Clear Menu" calls projectRepository.deleteProject for non-favorites
• Format: project.name with a tooltip showing project.path
• Keyboard navigation through the submenu works

Module / Layer

Relay / RelayApp commands

Complexity

Medium