Plan 02 Summary: Dashboard Schedule Refactor with AR Scopes

What Was Built

Replaced in-memory Ruby grouping in UpcomingFetchSchedule with per-bucket ActiveRecord scope queries. Each schedule bucket now runs its own scoped query with independent pagination. Turbo Frames wrap each bucket for independent page navigation.

Tasks Completed

1. Refactor UpcomingFetchSchedule to use AR scopes -- Replaced full-table load with per-bucket WHERE next_fetch_at range queries. Empty buckets excluded via .exists?.
2. Update DashboardController to pass bucket page params -- Extracts schedule_pages from params, passes to UpcomingFetchSchedule.
3. Update fetch_schedule partial with Turbo Frames -- Each bucket wrapped in turbo_frame_tag with per-bucket Previous/Next pagination controls.
4. Update Dashboard::Queries to pass pages param -- Forwards pages to UpcomingFetchSchedule, includes pages in cache key.
5. Write tests for refactored UpcomingFetchSchedule -- 7 new tests covering bucket assignment, empty bucket hiding, pagination, unscheduled sources, and per-bucket page params.

Files Modified

• lib/source_monitor/dashboard/upcoming_fetch_schedule.rb -- Replaced in-memory grouping with AR scope queries
• app/controllers/source_monitor/dashboard_controller.rb -- Added schedule_pages param extraction
• app/views/source_monitor/dashboard/_fetch_schedule.html.erb -- Added Turbo Frames and per-bucket pagination
• lib/source_monitor/dashboard/queries.rb -- Forward pages param, updated cache key
• test/lib/source_monitor/dashboard/upcoming_fetch_schedule_test.rb -- NEW: 7 tests

Commits

• 7aaee56 refactor(dashboard): replace in-memory schedule grouping with AR scope-based bucket queries
• 37d4e86 feat(dashboard): pass per-bucket schedule page params from controller to view
• 81139a5 feat(dashboard): add Turbo Frames and per-bucket pagination to fetch schedule
• bdb45d4 feat(dashboard): forward pages param through Queries to UpcomingFetchSchedule
• 8f857d9 test(dashboard): add comprehensive tests for AR scope-based fetch schedule

Deviations

None.

Test Results

All dashboard tests pass (7 new + existing), 0 failures.