The English equivalent of 'j ai envis de manger' is 'I have had the idea or wish of eating'. This suggests that at some point in the past, there was a thought or urge to eat.
Since I'm not well - versed in J J Fletcher's specific war novels, but in general, war novels might have detailed descriptions of military strategies. Maybe J J Fletcher's works also include such aspects.
I don't know exactly who J Andrews is in this story without reading it. But it's likely the protagonist or someone central to the events of the daydream - filled day.
J J Grandville's caricatures can be classified into types such as those depicting everyday life scenes, fantasy creatures, and critiques of cultural norms. Each type has its own unique charm and message.
It's possible that J.J. Abrams' style or creative vision has impacted the way the Star Trek comic is presented. Maybe he's involved in the story development or has provided input on the characters and plot.