Extract View Components for Reusable UI

[frogr]

Problem

Complex view logic embedded in ERB templates.

Tasks

• Create pricing card component
• Extract subscription status component
• Implement alert/flash message component
• Create navigation component

Acceptance Criteria

• Use ViewComponent gem or similar
• Components are tested in isolation
• Views simplified to use components
• Design system helper integrated
• All view specs pass
• Add component tests

Files to modify

• Various view files
• app/helpers/design_system_helper.rb
• Create component classes

Phase: 4 (UI/Advanced)
Priority: Medium