Clean up debug logging

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

db.go

@@ -262,6 +262,7 @@ func OpenDatabase(connString string) (*DB, error) {
 		pool.Close()
 		return nil, fmt.Errorf("failed to create schema: %v", err)
 	}
+	fmt.Println("  Schema OK")
 
 	// Migration: add miss_count column if not exists
 	pool.Exec(ctx, "ALTER TABLE domains ADD COLUMN IF NOT EXISTS miss_count INTEGER NOT NULL DEFAULT 0")