Added notification for admin user (#106)

.husky/pre-commit

@@ -1,7 +1 @@
-if git diff --cached --name-only --diff-filter=d | xargs grep -n '🪚'; then
-  echo "Error: Found debug marker 🪚 in these files:"
-  git diff --cached --name-only --diff-filter=d | xargs grep -n '🪚' | awk -F: '{print "  " $1 ":" $2}'
-  exit 1
-fi
-
-npm run typecheck && npm run test
+npm run typecheck && npm run lint && npm run test

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Version 0.2.8
+
+### Added
+
+* notification for admin users on shared habit / wishlist completion (#92)
+
 ## Version 0.2.7
 
 ### Added

app/actions/data.ts

@@ -44,7 +44,7 @@ async function verifyPermission(
 
   // if (!user) throw new PermissionError('User not authenticated')
   // if (user.isAdmin) return // Admins bypass permission checks
-  
+
   // if (!checkPermission(user.permissions, resource, action)) {
   //   throw new PermissionError(`User does not have ${action} permission for ${resource}`)
   // }
@@ -106,7 +106,7 @@ async function saveData<T>(type: DataType, data: T): Promise<void> {
 export async function loadWishlistData(): Promise<WishlistData> {
   const user = await getCurrentUser()
   if (!user) return getDefaultWishlistData()
-  
+
   const data = await loadData<WishlistData>('wishlist')
   return {
     ...data,
@@ -153,7 +153,7 @@ export async function loadHabitsData(): Promise<HabitsData> {
 
 export async function saveHabitsData(data: HabitsData): Promise<void> {
   await verifyPermission('habit', 'write')
-  
+
   const user = await getCurrentUser()
   // Create clone of input data
   const newData = _.cloneDeep(data)
@@ -229,6 +229,7 @@ export async function addCoins({
   userId?: string
 }): Promise<CoinsData> {
   await verifyPermission('coins', type === 'MANUAL_ADJUSTMENT' ? 'write' : 'interact')
+  const currentUser = await getCurrentUser()
   const data = await loadCoinsData()
   const newTransaction: CoinTransaction = {
     id: uuid(),
@@ -238,7 +239,7 @@ export async function addCoins({
     timestamp: d2t({ dateTime: getNow({}) }),
     ...(relatedItemId && { relatedItemId }),
     ...(note && note.trim() !== '' && { note }),
-    userId: userId || await getCurrentUserId()
+    userId: userId || currentUser?.id
   }
 
   const newData: CoinsData = {
@@ -283,6 +284,7 @@ export async function removeCoins({
   userId?: string
 }): Promise<CoinsData> {
   await verifyPermission('coins', type === 'MANUAL_ADJUSTMENT' ? 'write' : 'interact')
+  const currentUser = await getCurrentUser()
   const data = await loadCoinsData()
   const newTransaction: CoinTransaction = {
     id: uuid(),
@@ -292,7 +294,7 @@ export async function removeCoins({
     timestamp: d2t({ dateTime: getNow({}) }),
     ...(relatedItemId && { relatedItemId }),
     ...(note && note.trim() !== '' && { note }),
-    userId: userId || await getCurrentUserId()
+    userId: userId || currentUser?.id
   }
 
   const newData: CoinsData = {
@@ -368,8 +370,8 @@ export async function createUser(formData: FormData): Promise<User> {
   const username = formData.get('username') as string;
   let password = formData.get('password') as string | undefined;
   const avatarPath = formData.get('avatarPath') as string;
-  const permissions = formData.get('permissions') ? 
-    JSON.parse(formData.get('permissions') as string) as Permission[] : 
+  const permissions = formData.get('permissions') ?
+    JSON.parse(formData.get('permissions') as string) as Permission[] :
     undefined;
 
   if (password === null) password = undefined
@@ -383,7 +385,7 @@ export async function createUser(formData: FormData): Promise<User> {
     throw new Error('Username already exists');
   }
 
-  const hashedPassword = password ? saltAndHashPassword(password) : '';
+  const hashedPassword = password ? saltAndHashPassword(password) : undefined;
 
 
   const newUser: User = {
@@ -392,6 +394,7 @@ export async function createUser(formData: FormData): Promise<User> {
     password: hashedPassword,
     permissions,
     isAdmin: false,
+    lastNotificationReadTimestamp: undefined,
     ...(avatarPath && { avatarPath })
   };
 
@@ -482,6 +485,31 @@ export async function deleteUser(userId: string): Promise<void> {
   await saveUsersData(newData)
 }
 
+export async function updateLastNotificationReadTimestamp(userId: string, timestamp: string): Promise<void> {
+  const data = await loadUsersData()
+  const userIndex = data.users.findIndex(user => user.id === userId)
+
+  if (userIndex === -1) {
+    throw new Error('User not found for updating notification timestamp')
+  }
+
+  const updatedUser = {
+    ...data.users[userIndex],
+    lastNotificationReadTimestamp: timestamp
+  }
+
+  const newData: UserData = {
+    users: [
+      ...data.users.slice(0, userIndex),
+      updatedUser,
+      ...data.users.slice(userIndex + 1)
+    ]
+  }
+
+  await saveUsersData(newData)
+}
+
+
 export async function loadServerSettings(): Promise<ServerSettings> {
   return {
     isDemo: !!process.env.DEMO,

components/CoinsManager.tsx

@@ -1,6 +1,7 @@
 'use client'
 
-import { useState } from 'react'
+import { useState, useEffect, useRef } from 'react' // Import useEffect, useRef
+import { useSearchParams } from 'next/navigation' // Import useSearchParams
 import { t2d, d2s, getNow, isSameDate } from '@/lib/utils'
 import { Button } from '@/components/ui/button'
 import { FormattedNumber } from '@/components/FormattedNumber'
@@ -37,8 +38,32 @@ export default function CoinsManager() {
   const [amount, setAmount] = useState(DEFAULT_AMOUNT)
   const [pageSize, setPageSize] = useState(50)
   const [currentPage, setCurrentPage] = useState(1)
-
   const [note, setNote] = useState('')
+  const searchParams = useSearchParams()
+  const highlightId = searchParams.get('highlight')
+  const userIdFromQuery = searchParams.get('user') // Get user ID from query
+  const transactionRefs = useRef<Record<string, HTMLDivElement | null>>({});
+
+  // Effect to set selected user from query param if admin
+  useEffect(() => {
+    if (currentUser?.isAdmin && userIdFromQuery && userIdFromQuery !== selectedUser) {
+      // Check if the user ID from query exists in usersData
+      if (usersData.users.some(u => u.id === userIdFromQuery)) {
+        setSelectedUser(userIdFromQuery);
+      }
+    }
+    // Only run when userIdFromQuery or currentUser changes, avoid re-running on selectedUser change within this effect
+  }, [userIdFromQuery, currentUser, usersData.users]);
+
+  // Effect to scroll to highlighted transaction
+  useEffect(() => {
+    if (highlightId && transactionRefs.current[highlightId]) {
+      transactionRefs.current[highlightId]?.scrollIntoView({
+        behavior: 'smooth',
+        block: 'center',
+      });
+    }
+  }, [highlightId, transactions]); // Re-run if highlightId or transactions change
 
   const handleSaveNote = async (transactionId: string, note: string) => {
     await updateNote(transactionId, note)
@@ -249,13 +274,17 @@ export default function CoinsManager() {
                         }
                       }
 
+                      const isHighlighted = transaction.id === highlightId;
                       return (
                         <div
                           key={transaction.id}
-                          className="flex justify-between items-center p-3 border rounded hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors"
+                          ref={(el) => { transactionRefs.current[transaction.id] = el; }} // Assign ref correctly
+                          className={`flex justify-between items-center p-3 border rounded hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors ${
+                            isHighlighted ? 'ring-2 ring-blue-500 bg-blue-50 dark:bg-blue-900/30' : '' // Apply highlight styles
+                          }`}
                         >
-                          <div className="space-y-1">
-                            <div className="flex items-center gap-2">
+                          <div className="space-y-1 flex-grow mr-4"> {/* Added flex-grow and margin */}
+                            <div className="flex items-center gap-2 flex-wrap"> {/* Added flex-wrap */}
                               {transaction.relatedItemId ? (
                                 <Link
                                   href={`${transaction.type === 'WISH_REDEMPTION' ? '/wishlist' : '/habits'}?highlight=${transaction.relatedItemId}`}
@@ -274,12 +303,13 @@ export default function CoinsManager() {
                               </span>
                               {transaction.userId && currentUser?.isAdmin && (
                                 <Avatar className="h-6 w-6">
-                                  <AvatarImage 
-                                    src={usersData.users.find(u => u.id === transaction.userId)?.avatarPath && 
-                                      `/api/avatars/${usersData.users.find(u => u.id === transaction.userId)?.avatarPath?.split('/').pop()}` || ""} 
+                                  <AvatarImage
+                                    src={usersData.users.find(u => u.id === transaction.userId)?.avatarPath ?
+                                      `/api/avatars/${usersData.users.find(u => u.id === transaction.userId)?.avatarPath?.split('/').pop()}` : undefined}
+                                    alt={usersData.users.find(u => u.id === transaction.userId)?.username}
                                   />
                                   <AvatarFallback>
-                                    {usersData.users.find(u => u.id === transaction.userId)?.username[0]}
+                                    {usersData.users.find(u => u.id === transaction.userId)?.username?.[0] || '?'}
                                   </AvatarFallback>
                                 </Avatar>
                               )}
@@ -294,14 +324,16 @@ export default function CoinsManager() {
                               onDelete={handleDeleteNote}
                             />
                           </div>
-                          <span
-                            className={`font-mono ${transaction.amount >= 0
-                              ? 'text-green-600 dark:text-green-400'
-                              : 'text-red-600 dark:text-red-400'
-                              }`}
-                          >
-                            {transaction.amount >= 0 ? '+' : ''}{transaction.amount}
-                          </span>
+                          <div className="flex-shrink-0 text-right"> {/* Ensure amount stays on the right */}
+                            <span
+                              className={`font-mono ${transaction.amount >= 0
+                                ? 'text-green-600 dark:text-green-400'
+                                : 'text-red-600 dark:text-red-400'
+                                }`}
+                            >
+                              {transaction.amount >= 0 ? '+' : ''}{transaction.amount}
+                            </span>
+                          </div>
                         </div>
                       )
                     })}

components/Header.tsx

@@ -1,13 +1,14 @@
 'use client'
 
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import { useAtom } from 'jotai'
 import { coinsAtom, settingsAtom, browserSettingsAtom } from '@/lib/atoms'
 import { useCoins } from '@/hooks/useCoins'
 import { FormattedNumber } from '@/components/FormattedNumber'
-import { Bell, Menu, Settings, User, Info, Coins } from 'lucide-react'
+import { Menu, Settings, User, Info, Coins } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { Logo } from '@/components/Logo'
+import NotificationBell from './NotificationBell'
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -19,6 +20,7 @@ import AboutModal from './AboutModal'
 import Link from 'next/link'
 import dynamic from 'next/dynamic'
 import { Profile } from './Profile'
+import { useHelpers } from '@/lib/client-helpers'
 
 interface HeaderProps {
   className?: string
@@ -52,9 +54,7 @@ export default function Header({ className }: HeaderProps) {
                   </div>
                 </div>
               </Link>
-              <Button variant="ghost" size="icon" aria-label="Notifications">
-                <Bell className="h-5 w-5" />
-              </Button>
+              <NotificationBell />
               <Profile />
             </div>
           </div>

components/NotificationBell.tsx

@@ -0,0 +1,133 @@
+'use client'
+
+import { useMemo } from 'react'
+import { useAtom } from 'jotai'
+import { coinsAtom, habitsAtom, wishlistAtom, usersAtom } from '@/lib/atoms'
+import { Bell } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import NotificationDropdown from './NotificationDropdown';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu'
+import { updateLastNotificationReadTimestamp } from '@/app/actions/data';
+import { d2t, getNow, t2d } from '@/lib/utils';
+import { useHelpers } from '@/lib/client-helpers';
+import { User, CoinTransaction } from '@/lib/types';
+
+export default function NotificationBell() {
+  const { currentUser } = useHelpers();
+  const [coinsData] = useAtom(coinsAtom)
+  const [habitsData] = useAtom(habitsAtom)
+  const [wishlistData] = useAtom(wishlistAtom)
+  const [usersData] = useAtom(usersAtom);
+
+  // --- Calculate Unread and Read Notifications ---
+  const { unreadNotifications, displayedReadNotifications } = useMemo(() => {
+    const unread: CoinTransaction[] = [];
+    const read: CoinTransaction[] = [];
+    const MAX_READ_NOTIFICATIONS = 10; // Limit the number of past notifications shown
+
+    if (!currentUser || !currentUser.id) {
+      return { unreadNotifications: [], displayedReadNotifications: [] };
+    }
+
+    const lastReadTimestamp = currentUser.lastNotificationReadTimestamp
+      ? t2d({ timestamp: currentUser.lastNotificationReadTimestamp, timezone: 'UTC' })
+      : null;
+
+    // Iterate through transactions (assuming they are sorted newest first)
+    for (const tx of coinsData.transactions) {
+      // Stop processing if we have enough read notifications
+      if (read.length >= MAX_READ_NOTIFICATIONS && (!lastReadTimestamp || t2d({ timestamp: tx.timestamp, timezone: 'UTC' }) <= lastReadTimestamp)) {
+        break; // Optimization: stop early if we have enough read and are past the unread ones
+      }
+
+      // Basic checks: must have a related item and be triggered by someone else
+      if (!tx.relatedItemId || tx.userId === currentUser.id) {
+        continue;
+      }
+
+      // Check if the transaction type indicates a notification-worthy event
+      const isRelevantType = tx.type === 'HABIT_COMPLETION' || tx.type === 'TASK_COMPLETION' || tx.type === 'WISH_REDEMPTION';
+      if (!isRelevantType) {
+        continue;
+      }
+
+      // Check if the related item is shared with the current user
+      let isShared = false;
+      const isHabitCompletion = tx.type === 'HABIT_COMPLETION' || tx.type === 'TASK_COMPLETION';
+      const isWishRedemption = tx.type === 'WISH_REDEMPTION';
+
+      if (isHabitCompletion) {
+        const habit = habitsData.habits.find(h => h.id === tx.relatedItemId);
+        if (habit?.userIds?.includes(currentUser.id) && tx.userId && habit.userIds.includes(tx.userId)) {
+          isShared = true;
+        }
+      } else if (isWishRedemption) {
+        const wish = wishlistData.items.find(w => w.id === tx.relatedItemId);
+        if (wish?.userIds?.includes(currentUser.id) && tx.userId && wish.userIds.includes(tx.userId)) {
+          isShared = true;
+        }
+      }
+
+      if (!isShared) {
+        continue; // Skip if not shared
+      }
+
+      // Transaction is relevant, determine if read or unread
+      const txTimestamp = t2d({ timestamp: tx.timestamp, timezone: 'UTC' });
+      if (!lastReadTimestamp || txTimestamp > lastReadTimestamp) {
+        unread.push(tx);
+      } else if (read.length < MAX_READ_NOTIFICATIONS) {
+        // Only add to read if we haven't hit the limit
+        read.push(tx);
+      }
+    }
+
+    // Transactions are assumed to be sorted newest first from the source
+    return { unreadNotifications: unread, displayedReadNotifications: read };
+  }, [coinsData.transactions, habitsData.habits, wishlistData.items, currentUser]);
+  // --- End Calculate Notifications ---
+
+  const unreadCount = unreadNotifications.length;
+
+  const handleNotificationClick = async () => {
+    if (!currentUser || !currentUser.id || unreadCount === 0) return; // Only update if there are unread notifications
+    try {
+      const nowTimestamp = d2t({ dateTime: getNow({}) });
+      await updateLastNotificationReadTimestamp(currentUser.id, nowTimestamp);
+    } catch (error) {
+      console.error("Failed to update notification read timestamp:", error);
+    }
+  };
+
+  return (
+    <DropdownMenu onOpenChange={(open) => {
+      // Update timestamp only when opening the dropdown and there are unread notifications
+      if (open && unreadCount > 0) {
+        handleNotificationClick();
+      }
+    }}>
+      <DropdownMenuTrigger asChild>
+        <Button variant="ghost" size="icon" aria-label="Notifications" className="relative">
+          <Bell className="h-5 w-5" />
+          {unreadCount > 0 && (
+            <span className="absolute top-1 right-1 block h-2 w-2 rounded-full bg-red-500 ring-1 ring-white dark:ring-gray-800" />
+          )}
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end" className="p-0 w-80 md:w-96">
+        <NotificationDropdown
+          currentUser={currentUser as User | null} // Cast needed as useHelpers can return undefined initially
+          unreadNotifications={unreadNotifications}
+          displayedReadNotifications={displayedReadNotifications}
+          habitsData={habitsData} // Pass necessary data down
+          wishlistData={wishlistData}
+          usersData={usersData}
+        />
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}

components/NotificationDropdown.tsx

@@ -0,0 +1,135 @@
+import React from 'react';
+import { ScrollArea } from '@/components/ui/scroll-area';
+import { Separator } from '@/components/ui/separator';
+import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
+import { CoinsData, HabitsData, WishlistData, UserData, User, CoinTransaction } from '@/lib/types';
+import { t2d } from '@/lib/utils';
+import Link from 'next/link';
+import { DropdownMenuItem } from '@/components/ui/dropdown-menu';
+import { Info } from 'lucide-react';
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from '@/components/ui/tooltip';
+
+interface NotificationDropdownProps {
+  currentUser: User | null;
+  unreadNotifications: CoinTransaction[];
+  displayedReadNotifications: CoinTransaction[];
+  habitsData: HabitsData; // Keep needed props
+  wishlistData: WishlistData;
+  usersData: UserData;
+}
+
+// Helper function to generate notification message
+const getNotificationMessage = (tx: CoinTransaction, triggeringUser?: User, relatedItemName?: string): string => {
+  const username = triggeringUser?.username || 'Someone';
+  const itemName = relatedItemName || 'a shared item';
+  switch (tx.type) {
+    case 'HABIT_COMPLETION':
+    case 'TASK_COMPLETION':
+      return `${username} completed ${itemName}.`;
+    case 'WISH_REDEMPTION':
+      return `${username} redeemed ${itemName}.`;
+    // Add other relevant transaction types if needed
+    default:
+      return `Activity related to ${itemName} by ${username}.`; // Fallback message
+  }
+};
+
+// Helper function to get the name of the related item
+const getRelatedItemName = (tx: CoinTransaction, habitsData: HabitsData, wishlistData: WishlistData): string | undefined => {
+  if (!tx.relatedItemId) return undefined;
+  if (tx.type === 'HABIT_COMPLETION' || tx.type === 'TASK_COMPLETION') {
+    return habitsData.habits.find(h => h.id === tx.relatedItemId)?.name;
+  }
+  if (tx.type === 'WISH_REDEMPTION') {
+    return wishlistData.items.find(w => w.id === tx.relatedItemId)?.name;
+  }
+  return undefined;
+};
+
+
+export default function NotificationDropdown({
+  currentUser,
+  unreadNotifications, // Use props directly
+  displayedReadNotifications, // Use props directly
+  habitsData,
+  wishlistData,
+  usersData,
+}: NotificationDropdownProps) {
+  if (!currentUser) {
+    return <div className="p-4 text-sm text-gray-500">Not logged in.</div>;
+  }
+
+  // Removed the useMemo block for calculating notifications
+
+  const renderNotification = (tx: CoinTransaction, isUnread: boolean) => {
+    const triggeringUser = usersData.users.find(u => u.id === tx.userId);
+    const relatedItemName = getRelatedItemName(tx, habitsData, wishlistData);
+    const message = getNotificationMessage(tx, triggeringUser, relatedItemName);
+    const txTimestamp = t2d({ timestamp: tx.timestamp, timezone: 'UTC' });
+    const timeAgo = txTimestamp.toRelative(); // e.g., "2 hours ago"
+    // Add the triggering user's ID to the query params if it exists
+    const linkHref = `/coins?highlight=${tx.id}${tx.userId ? `&user=${tx.userId}` : ''}`;
+
+    return (
+      // Wrap the Link with DropdownMenuItem and use asChild to pass props
+      <DropdownMenuItem key={tx.id} asChild className={`p-0 focus:bg-inherit dark:focus:bg-inherit cursor-pointer`}>
+        <Link href={linkHref} className={`block hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors ${isUnread ? 'bg-blue-50 dark:bg-blue-900/20' : ''}`} scroll={true}>
+          <div className="p-3 flex items-start gap-3">
+            <Avatar className="h-8 w-8 mt-1">
+              <AvatarImage src={triggeringUser?.avatarPath ? `/api/avatars/${triggeringUser.avatarPath.split('/').pop()}` : undefined} alt={triggeringUser?.username} />
+              <AvatarFallback>{triggeringUser?.username?.charAt(0).toUpperCase() || '?'}</AvatarFallback>
+            </Avatar>
+            <div className="flex-1">
+              <p className={`text-sm ${isUnread ? 'font-semibold' : ''}`}>{message}</p>
+              <p className="text-xs text-gray-500 dark:text-gray-400">{timeAgo}</p>
+            </div>
+          </div>
+        </Link>
+      </DropdownMenuItem>
+    );
+  };
+
+  return (
+    <TooltipProvider>
+      {/* Removed the outer div as width is now set on DropdownMenuContent in NotificationBell */}
+      <>
+        <div className="p-3 border-b border-gray-200 dark:border-gray-700 flex items-center gap-2">
+          <h4 className="text-sm font-medium">Notifications</h4>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Info className="h-4 w-4 text-muted-foreground cursor-help" />
+            </TooltipTrigger>
+            <TooltipContent side="left" className="max-w-xs">
+              <p className="text-xs">
+                Shows completions or redemptions by other users for habits or wishlist that you shared with them (you must be admin)
+              </p>
+            </TooltipContent>
+          </Tooltip>
+        </div>
+        <ScrollArea className="h-[400px]">
+          {unreadNotifications.length === 0 && displayedReadNotifications.length === 0 && (
+            <div className="p-4 text-center text-sm text-gray-500">No notifications yet.</div>
+          )}
+
+          {unreadNotifications.length > 0 && (
+            <>
+              {unreadNotifications.map(tx => renderNotification(tx, true))}
+              {displayedReadNotifications.length > 0 && <Separator className="my-2" />}
+            </>
+          )}
+
+          {displayedReadNotifications.length > 0 && (
+            <>
+              {displayedReadNotifications.map(tx => renderNotification(tx, false))}
+            </>
+          )}
+        </ScrollArea>
+      </> {/* Close the fragment */}
+    </TooltipProvider>
+  );
+}

components/ui/scroll-area.tsx

@@ -0,0 +1,48 @@
+"use client"
+
+import * as React from "react"
+import * as ScrollAreaPrimitive from "@radix-ui/react-scroll-area"
+
+import { cn } from "@/lib/utils"
+
+const ScrollArea = React.forwardRef<
+  React.ElementRef<typeof ScrollAreaPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.Root>
+>(({ className, children, ...props }, ref) => (
+  <ScrollAreaPrimitive.Root
+    ref={ref}
+    className={cn("relative overflow-hidden", className)}
+    {...props}
+  >
+    <ScrollAreaPrimitive.Viewport className="h-full w-full rounded-[inherit]">
+      {children}
+    </ScrollAreaPrimitive.Viewport>
+    <ScrollBar />
+    <ScrollAreaPrimitive.Corner />
+  </ScrollAreaPrimitive.Root>
+))
+ScrollArea.displayName = ScrollAreaPrimitive.Root.displayName
+
+const ScrollBar = React.forwardRef<
+  React.ElementRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>,
+  React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>
+>(({ className, orientation = "vertical", ...props }, ref) => (
+  <ScrollAreaPrimitive.ScrollAreaScrollbar
+    ref={ref}
+    orientation={orientation}
+    className={cn(
+      "flex touch-none select-none transition-colors",
+      orientation === "vertical" &&
+        "h-full w-2.5 border-l border-l-transparent p-[1px]",
+      orientation === "horizontal" &&
+        "h-2.5 flex-col border-t border-t-transparent p-[1px]",
+      className
+    )}
+    {...props}
+  >
+    <ScrollAreaPrimitive.ScrollAreaThumb className="relative flex-1 rounded-full bg-border" />
+  </ScrollAreaPrimitive.ScrollAreaScrollbar>
+))
+ScrollBar.displayName = ScrollAreaPrimitive.ScrollAreaScrollbar.displayName
+
+export { ScrollArea, ScrollBar }

components/ui/separator.tsx

@@ -0,0 +1,31 @@
+"use client"
+
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+)
+Separator.displayName = SeparatorPrimitive.Root.displayName
+
+export { Separator }

lib/atoms.ts

@@ -9,6 +9,7 @@ import {
   getDefaultUsersData,
   CompletionCache,
   getDefaultServerSettings,
+  User,
 } from "./types";
 import {
   getTodayInTimezone,
@@ -110,16 +111,16 @@ export const completionCacheAtom = atom((get) => {
   const habits = get(habitsAtom).habits;
   const timezone = get(settingsAtom).system.timezone;
   const cache: CompletionCache = {};
-  
+
   habits.forEach(habit => {
     habit.completions.forEach(utcTimestamp => {
       const localDate = t2d({ timestamp: utcTimestamp, timezone })
         .toFormat('yyyy-MM-dd');
-      
+
       if (!cache[localDate]) {
         cache[localDate] = {};
       }
-      
+
       cache[localDate][habit.id] = (cache[localDate][habit.id] || 0) + 1;
     });
   });
@@ -173,12 +174,12 @@ export const hasTasksAtom = atom((get) => {
 })
 
 // Atom family for habits by specific date
-export const habitsByDateFamily = atomFamily((dateString: string) => 
+export const habitsByDateFamily = atomFamily((dateString: string) =>
   atom((get) => {
     const habits = get(habitsAtom).habits;
     const settings = get(settingsAtom);
     const timezone = settings.system.timezone;
-    
+
     const date = DateTime.fromISO(dateString).setZone(timezone);
     return habits.filter(habit => isHabitDue({ habit, timezone, date }));
   })

lib/types.ts

@@ -31,7 +31,8 @@ export type SafeUser = SessionUser & {
 }
 
 export type User = SafeUser & {
-  password: string
+  password?: string // Optional: Allow users without passwords (e.g., initial setup)
+  lastNotificationReadTimestamp?: string // UTC ISO date string
 }
 
 export type Habit = {
@@ -101,8 +102,9 @@ export const getDefaultUsersData = (): UserData => ({
     {
       id: uuid(),
       username: 'admin',
-      password: '',
+      // password: '', // No default password for admin initially? Or set a secure default?
       isAdmin: true,
+      lastNotificationReadTimestamp: undefined, // Initialize as undefined
     }
   ]
 });

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "habittrove",
-  "version": "0.2.4",
+  "version": "0.2.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "habittrove",
-      "version": "0.2.4",
+      "version": "0.2.7",
       "dependencies": {
         "@emoji-mart/data": "^1.2.1",
         "@emoji-mart/react": "^1.1.1",
@@ -18,7 +18,9 @@
         "@radix-ui/react-label": "^2.1.1",
         "@radix-ui/react-popover": "^1.1.4",
         "@radix-ui/react-progress": "^1.1.1",
+        "@radix-ui/react-scroll-area": "^1.2.4",
         "@radix-ui/react-select": "^2.1.4",
+        "@radix-ui/react-separator": "^1.1.3",
         "@radix-ui/react-slot": "^1.1.1",
         "@radix-ui/react-switch": "^1.1.2",
         "@radix-ui/react-toast": "^1.2.4",
@@ -1527,6 +1529,189 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-scroll-area": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-scroll-area/-/react-scroll-area-1.2.4.tgz",
+      "integrity": "sha512-G9rdWTQjOR4sk76HwSdROhPU0jZWpfozn9skU1v4N0/g9k7TmswrJn8W8WMU+aYktnLLpk5LX6fofj2bGe5NFQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/number": "1.1.1",
+        "@radix-ui/primitive": "1.1.2",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-context": "1.1.2",
+        "@radix-ui/react-direction": "1.1.1",
+        "@radix-ui/react-presence": "1.1.3",
+        "@radix-ui/react-primitive": "2.0.3",
+        "@radix-ui/react-use-callback-ref": "1.1.1",
+        "@radix-ui/react-use-layout-effect": "1.1.1"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/number": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/number/-/number-1.1.1.tgz",
+      "integrity": "sha512-MkKCwxlXTgz6CFoJx3pCwn07GKp36+aZyu/u2Ln2VrA5DcdyCZkASEDBTd8x5whTQQL5CiYf4prXKLcgQdv29g==",
+      "license": "MIT"
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/primitive": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@radix-ui/primitive/-/primitive-1.1.2.tgz",
+      "integrity": "sha512-XnbHrrprsNqZKQhStrSwgRUQzoCI1glLzdw79xiZPoofhGICeZRSQ3dIxAKH1gb3OHfNf4d6f+vAv3kil2eggA==",
+      "license": "MIT"
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-compose-refs": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-compose-refs/-/react-compose-refs-1.1.2.tgz",
+      "integrity": "sha512-z4eqJvfiNnFMHIIvXP3CY57y2WJs5g2v3X0zm9mEJkrkNv4rDxu+sg9Jh8EkXyeqBkB7SOcboo9dMVqhyrACIg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-context": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-context/-/react-context-1.1.2.tgz",
+      "integrity": "sha512-jCi/QKUM2r1Ju5a3J64TH2A5SpKAgh0LpknyqdQ4m6DCV0xJ2HG1xARRwNGPQfi1SLdLWZ1OJz6F4OMBBNiGJA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-direction": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-direction/-/react-direction-1.1.1.tgz",
+      "integrity": "sha512-1UEWRX6jnOA2y4H5WczZ44gOOjTEmlqv1uNW4GAJEO5+bauCBhv8snY65Iw5/VOS/ghKN9gr2KjnLKxrsvoMVw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-presence": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-presence/-/react-presence-1.1.3.tgz",
+      "integrity": "sha512-IrVLIhskYhH3nLvtcBLQFZr61tBG7wx7O3kEmdzcYwRGAEBmBicGGL7ATzNgruYJ3xBTbuzEEq9OXJM3PAX3tA==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-use-layout-effect": "1.1.1"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-primitive": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.0.3.tgz",
+      "integrity": "sha512-Pf/t/GkndH7CQ8wE2hbkXA+WyZ83fhQQn5DDmwDiDo6AwN/fhaH8oqZ0jRjMrO2iaMhDi6P1HRx6AZwyMinY1g==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-slot": "1.2.0"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.0.tgz",
+      "integrity": "sha512-ujc+V6r0HNDviYqIK3rW4ffgYiZ8g5DEHrGJVk4x7kTlLXRDILnKX9vAUYeIsLOoDpDJ0ujpqMkjH4w2ofuo6w==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-use-callback-ref": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-use-callback-ref/-/react-use-callback-ref-1.1.1.tgz",
+      "integrity": "sha512-FkBMwD+qbGQeMu1cOHnuGB6x4yzPjho8ap5WtbEJ26umhgqVXbhekKUQO+hZEL1vU92a3wHwdp0HAcqAUF5iDg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-scroll-area/node_modules/@radix-ui/react-use-layout-effect": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-use-layout-effect/-/react-use-layout-effect-1.1.1.tgz",
+      "integrity": "sha512-RbJRS4UWQFkzHTTwVymMTUv8EqYhOp8dOOviLj2ugtTiXRaRQS7GLGxZTLL1jWhMeoSCf5zmcZkqTl9IiYfXcQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-select": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-select/-/react-select-2.1.4.tgz",
@@ -1569,6 +1754,85 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-separator": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-separator/-/react-separator-1.1.3.tgz",
+      "integrity": "sha512-2omrWKJvxR0U/tkIXezcc1nFMwtLU0+b/rDK40gnzJqTLWQ/TD/D5IYVefp9sC3QWfeQbpSbEA6op9MQKyaALQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-primitive": "2.0.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-separator/node_modules/@radix-ui/react-compose-refs": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-compose-refs/-/react-compose-refs-1.1.2.tgz",
+      "integrity": "sha512-z4eqJvfiNnFMHIIvXP3CY57y2WJs5g2v3X0zm9mEJkrkNv4rDxu+sg9Jh8EkXyeqBkB7SOcboo9dMVqhyrACIg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-separator/node_modules/@radix-ui/react-primitive": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.0.3.tgz",
+      "integrity": "sha512-Pf/t/GkndH7CQ8wE2hbkXA+WyZ83fhQQn5DDmwDiDo6AwN/fhaH8oqZ0jRjMrO2iaMhDi6P1HRx6AZwyMinY1g==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-slot": "1.2.0"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-separator/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.0.tgz",
+      "integrity": "sha512-ujc+V6r0HNDviYqIK3rW4ffgYiZ8g5DEHrGJVk4x7kTlLXRDILnKX9vAUYeIsLOoDpDJ0ujpqMkjH4w2ofuo6w==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-slot": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.1.1.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "habittrove",
-  "version": "0.2.7",
+  "version": "0.2.8",
   "private": true,
   "scripts": {
     "dev": "next dev --turbopack",
@@ -25,7 +25,9 @@
     "@radix-ui/react-label": "^2.1.1",
     "@radix-ui/react-popover": "^1.1.4",
     "@radix-ui/react-progress": "^1.1.1",
+    "@radix-ui/react-scroll-area": "^1.2.4",
     "@radix-ui/react-select": "^2.1.4",
+    "@radix-ui/react-separator": "^1.1.3",
     "@radix-ui/react-slot": "^1.1.1",
     "@radix-ui/react-switch": "^1.1.2",
     "@radix-ui/react-toast": "^1.2.4",