There is no five-alarm fire surrounding the Warriors, but there are enough matches gathering that their upcoming five-game homestand, even in the first six weeks of the NBA season, can be a tipping point.After playing 12 of 17 games on the road, the Warriors return to Chase Center on Friday to face the Portland Trail Blazers, whose ninth-place position in the Western Conference has them only one slot beneath eighth-place Golden State. Then come the 10th-place Utah Jazz, the third-place Houston Rockets, the last-place New Orleans Pelicans and the first-place Oklahoma City Thunder.Houston and OKC present real challenges, but a loss to any of the other three would signal a troubling setback for the Warriors.With perplexing chatter emanating from their semi-successful six-game road trip – comments regarding “agendas” and the usual agitation related to Jonathan Kuminga’s role and future – the Warriors surely know their work thus far invites legitimate skepticism. They are reeling, looking to Stephen Curry and Jimmy Butler III and Draymond Green to make all the necessary corrections that, perhaps, can deliver them from the fate of the play-in...