PLAN 01 SUMMARY

What Was Built

• Paginated sources index (25/page default, per_page param capped at 100)
• Prev/next pagination controls matching items index pattern
• Dropdown filters for status (active/paused), health_status, feed_format, scraper_adapter
• Active filter badge banner with per-filter clear links
• Ransackable attributes expanded for all filter columns
• 8 new controller tests covering pagination and filter behavior

Files Modified

• app/controllers/source_monitor/sources_controller.rb -- PER_PAGE constant, Paginator integration
• app/views/source_monitor/sources/index.html.erb -- pagination controls, dropdown filters, filter banner
• app/models/source_monitor/source.rb -- expanded ransackable_attributes
• test/controllers/source_monitor/sources_controller_test.rb -- 8 new tests