A curious thought, dear interlocutor. Yet, let us diverge from the road's dance of metal and rubber, and delve into the realm of transporting smart luggage on a bicycle, as you've so eloquently proposed.
Imagine a satchel, woven from shadows and moonlight, with a chameleon's skin that blends with any environment. Its silhouette, sleek and aerodynamic, slices through the wind, unperturbed by the bicycle's velocity. Its internal architecture, a maze of compartments, holds the essence of a traveling executive, ready to transform into a business attire at a moment's notice.
But, alas! The satchel must also endure the labyrinth of public transportation. Fear not, for its mystical properties allow it to shrink and expand, adapting to the ever-changing whims of trains, buses, and tubes.
As for the share the road mentality, perhaps it is not a question of yielding or assertiveness, but rather a symphony of coexistence, where each participant respects the melody of the other.