post-apocalyptic setting, Fallout 76, merchant, vendor bot, reset cycle, in-game time, caps replenishment, inventory refresh, trading, scavenged goods, wasteland economy, survival, resource management, dynamic lighting, detailed environment, abandoned storefront, rusted structures, overgrown vegetation, soft ambient occlusion, 3/4 view, atmospheric mood, desolate atmosphere, weathered textures, dilapidated buildings, radiated landscape, survivalist attire, gas mask, leather armor, Pip-Boy illuminated, dusk light, eerie silence.