data and layout cleanup

client/src/modules/gantt/GanttPage.tsx

@@ -48,6 +48,9 @@ export function GanttPage() {
   const links = timeline?.links ?? [];
   const summary = timeline?.summary;
   const exceptions = timeline?.exceptions ?? [];
+  const ganttCellHeight = 44;
+  const ganttScaleHeight = 56;
+  const ganttHeight = Math.max(420, tasks.length * ganttCellHeight + ganttScaleHeight);
 
   return (
     <section className="space-y-4">
@@ -104,7 +107,7 @@ export function GanttPage() {
       </section>
       <div className="grid gap-3 xl:grid-cols-[minmax(0,1.2fr)_360px]">
         <div
-          className={`gantt-theme overflow-auto rounded-[20px] border border-line/70 bg-surface/90 p-4 shadow-panel 2xl:p-5 ${
+          className={`gantt-theme overflow-x-auto overflow-y-visible rounded-[20px] border border-line/70 bg-surface/90 p-4 shadow-panel 2xl:p-5 ${
             mode === "dark" ? "wx-willow-dark-theme" : "wx-willow-theme"
           }`}
         >
@@ -119,15 +122,19 @@ export function GanttPage() {
               {tasks.length} schedule rows
             </div>
           </div>
-          <Gantt
-            tasks={tasks.map((task: GanttTaskDto) => ({
-              ...task,
-              start: new Date(task.start),
-              end: new Date(task.end),
-              parent: task.parentId ?? undefined,
-            }))}
-            links={links}
-          />
+          <div style={{ height: `${ganttHeight}px`, minWidth: "100%" }}>
+            <Gantt
+              tasks={tasks.map((task: GanttTaskDto) => ({
+                ...task,
+                start: new Date(task.start),
+                end: new Date(task.end),
+                parent: task.parentId ?? undefined,
+              }))}
+              links={links}
+              cellHeight={ganttCellHeight}
+              scaleHeight={ganttScaleHeight}
+            />
+          </div>
         </div>
         <aside className="space-y-3">
           <section className="rounded-[20px] border border-line/70 bg-surface/90 p-4 shadow-panel 2xl:p-5">