Function ganttTimeRange

frontend/app.js:193–197

()

    // ── 甘特图计算属性 ────────────────────────────────────────────────
    ganttTimeRange() {
      if (!this.resourceTimeline) return [0, 1];
      const [s, e] = this.resourceTimeline.time_range;
      return e > s ? [s, e] : [s, s + 1];
    },

    ganttRangeSpan() {
      return this.ganttTimeRange[1] - this.ganttTimeRange[0];