- RunMigrations applies versioned SQL files via golang-migrate + embed.FS (iofs)
- ErrNoChange handled correctly - not treated as failure
- Migration 0001 creates full current schema with CREATE TABLE IF NOT EXISTS
- All three tables (updates, tags, tag_assignments) with acknowledged_at and ON DELETE CASCADE
- Uses database/sqlite sub-package (modernc.org/sqlite, no CGO)
- go mod tidy applied after adding dependencies
- Store interface with 9 methods covering all persistence operations
- SQLiteStore implements all 9 methods with exact SQL from current handlers
- NewSQLiteStore sets MaxOpenConns(1) and PRAGMA foreign_keys = ON
- UpsertEvent uses ON CONFLICT DO UPDATE with acknowledged_at reset to NULL
- AssignTag uses INSERT OR REPLACE for tag_assignments table
- golang-migrate v4.19.1 dependency added to go.mod
- **feat(ui):** implement `AcknowledgeButton` component for acknowledging images
- **feat(stats):** add dashboard stats for total images, pending updates, and acknowledged status
- **chore(deps):** introduce `bun` dependency management and add required libraries
- **style(ui):** enhance UI with Tailwind-based components and modularity improvements
- **chore:** add drag-and-drop tag assignment using `@dnd-kit/core`
