fix: layout, 409 handling, edit habits/tasks/savings

PulseHealth/Views/Dashboard/DashboardView.swift

@@ -209,6 +209,15 @@ struct DashboardView: View {
             recentlyLoggedHabitLogDate = today
             await loadData(refresh: true)
             scheduleUndoClear()
+        } catch APIError.serverError(let code, _) where code == 409 {
+            await MainActor.run {
+                if let idx = todayHabits.firstIndex(where: { $0.id == habit.id }) {
+                    todayHabits[idx].completedToday = true
+                }
+                recentlyLoggedHabitId = habit.id
+                recentlyLoggedHabitLogDate = today
+            }
+            scheduleUndoClear()
         } catch {
             errorMessage = error.localizedDescription; showError = true
         }