Finding a strong story where Sakura's attention shifts to Naruto before the war arc ends up being trickier than you'd think. A lot of fics just flip a switch, making her instantly obsessed with him after one kind gesture, which feels lazy. The good ones, though, they dig into her realizing how much he's always been there, not as a backup plan, but as the actual foundation. I read one where she's studying medical texts and it clicks that Naruto's relentless perseverance is a kind of healing in itself, and her path diverges from Sasuke's self-destructive one. That felt earned.
Another angle I see explores her training with Tsunade more deeply. Instead of just powering up, she starts valuing the will to protect over the desire to chase someone who keeps leaving. She sees Naruto embodying that will daily, and her respect turns into something warmer. There's also the 'team as family' trope, where after a mission goes bad, the shared trauma with Naruto creates a bond that her childhood crush can't compete with. Those stories often handle her guilt about changing loyalties really well, which is more interesting than just ditching Sasuke without a second thought.