SAN FRANCISCO – The Warriors wade into the next three weeks seeking, well, let general manager Mike Dunleavy explain:“Frankly,” Dunleavy said, “we need everything.”Dunleavy’s blunt comment is accurate and refreshing. Pipe dreams have been replaced by stark reality. The GM, the coaching staff and the entire basketball world were shaken by the flaws apparent last season when Jimmy Butler III and then Stephen Curry were sidelined.They had no credible off-the-dribble scorer, no reliable shot creator, no trustworthy on-ball defender. They were deficient in speed and athleticism, small in the paint and multiple veterans for whom playing back-to-back nights was too risky.The result was a profoundly unsatisfying season and, moreover, full exposure of what’s needed to compete for an automatic playoff berth, much less a deep postseason run.Which leads to what Dunleavy refers to as a “refocus” to correct the unsuccessful patchwork approach of the recent past.“Right now, we’re in a spot where we’re not going through the progression the right way,” he said. “We’re sitting here saying, ‘Let’s...