fix: tasks stay in correct timeslot when changing visible hours

- GridTaskBlock now positions tasks from hour 0, not from workingHoursStart
- Changing start/end hour only scrolls the view, doesn't shift task positions
- Calendar events and tasks now align on the same time slots

v1.33.3

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.33.2",
+  "version": "1.33.3",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {

src/components/GridTaskBlock.tsx

@@ -171,7 +171,7 @@ export function GridTaskBlock({
     if (!task.startTime) return null;
 
     const [startHour, startMinute] = task.startTime.split(":").map(Number);
-    const startMinutes = (startHour - workingHoursStart) * 60 + startMinute;
+    const startMinutes = startHour * 60 + startMinute;
     const topOffset = startMinutes * pixelsPerMinute;
     const duration = task.duration || 15;
     const baseHeight = duration * pixelsPerMinute;

src/components/WeeklyView.tsx

@@ -2579,7 +2579,7 @@ export default function WeeklyView() {
         }
     }, [currentWeekStart, session, fetchCalendarEvents]);
 
-    // Initial scroll to preferred start hour
+    // Scroll to preferred start hour (initial load + when user changes startHour)
     useEffect(() => {
         if (!isLoading) {
             const performScroll = () => {
@@ -2587,29 +2587,28 @@ export default function WeeklyView() {
                 const slotHeight = getSlotHeight(cellDuration);
                 const scrollOffset = workingHoursStart * slotsPerHour * slotHeight;
 
-                console.log(`[SCROLL] Initial scroll to startHour ${workingHoursStart} (offset ${scrollOffset}px)`);
-                
                 // Force it directly
                 if (gridRef.current) gridRef.current.scrollTop = scrollOffset;
                 if (timeColumnRef.current) timeColumnRef.current.scrollTop = scrollOffset;
 
                 intendedScrollTop.current = scrollOffset;
 
-                // Repeatedly re-enforce for 2 seconds to fight browser auto-scroll restoration
-                const interval = setInterval(() => {
-                    if (gridRef.current) gridRef.current.scrollTop = scrollOffset;
-                    if (timeColumnRef.current) timeColumnRef.current.scrollTop = scrollOffset;
-                }, 50);
+                // On initial load, re-enforce for 2s to fight browser auto-scroll restoration
+                if (!isInitialScrollDone.current) {
+                    const interval = setInterval(() => {
+                        if (gridRef.current) gridRef.current.scrollTop = scrollOffset;
+                        if (timeColumnRef.current) timeColumnRef.current.scrollTop = scrollOffset;
+                    }, 50);
 
-                setTimeout(() => {
-                    clearInterval(interval);
-                    isInitialScrollDone.current = true;
-                    console.log(`[SCROLL] Stabilization period done. Grid scroll: ${gridRef.current?.scrollTop}`);
-                }, 2000);
+                    setTimeout(() => {
+                        clearInterval(interval);
+                        isInitialScrollDone.current = true;
+                    }, 2000);
+                }
             };
 
             // Delay slightly to ensure layout is stable
-            const timer = setTimeout(performScroll, 500);
+            const timer = setTimeout(performScroll, isInitialScrollDone.current ? 50 : 500);
             return () => clearTimeout(timer);
         }
     }, [isLoading, workingHoursStart, cellDuration]);