fix: align task due dates to the right

frontend/src/lib/mvp-utils.ts

@@ -141,6 +141,28 @@ export function nextTotalAfterLocalTaskAdd(total: number) {
   return Math.max(0, Number(total) || 0) + 1
 }
 
+export function nextTotalAfterLocalTaskRemoval(total: number, removed = 1) {
+  return Math.max(0, (Number(total) || 0) - Math.max(0, removed))
+}
+
+export type TrashMutationResult =
+  | { mutated: false; refreshed: false; error: unknown }
+  | { mutated: true; refreshed: boolean }
+
+export async function performTrashMutation(
+  mutate: () => Promise<unknown>,
+  reconcileLocal: () => void,
+  refresh: () => Promise<boolean>,
+): Promise<TrashMutationResult> {
+  try {
+    await mutate()
+  } catch (error) {
+    return { mutated: false, refreshed: false, error }
+  }
+  reconcileLocal()
+  return { mutated: true, refreshed: await refresh() }
+}
+
 export function clampFabPosition(x: number, y: number, viewportWidth: number, viewportHeight: number, size = 52, margin = 14, bottomReserved = 74) {
   return {
     x: Math.min(Math.max(x, margin), Math.max(margin, viewportWidth - size - margin)),
@@ -190,14 +212,19 @@ export async function runLatestRequest<T>(
   },
 ) {
   const generation = beginLatestRequest(key)
+  let committed = false
   try {
     const value = await request()
-    if (isLatestRequest(key, generation)) callbacks.success(value)
+    if (isLatestRequest(key, generation)) {
+      callbacks.success(value)
+      committed = true
+    }
   } catch (reason) {
     if (isLatestRequest(key, generation)) callbacks.error(reason)
   } finally {
     if (isLatestRequest(key, generation)) callbacks.finally()
   }
+  return committed
 }
 
 export type MutationReconciler<TContext> = {