wip

.copilotignore

@@ -0,0 +1,91 @@
+# Environment files
+.env
+.env.*
+.env.local
+.env.development
+.env.production
+.env.test
+
+# Dependencies
+node_modules/
+vendor/
+bower_components/
+
+# Build outputs
+dist/
+build/
+.next/
+out/
+.nuxt/
+.cache/
+.parcel-cache/
+.vite/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Database files
+*.sqlite
+*.sqlite3
+*.db
+
+# Secrets and credentials
+*.key
+*.pem
+*.cert
+*.crt
+secrets.json
+credentials.json
+
+# Coverage reports
+coverage/
+.nyc_output/
+*.lcov
+
+# Test artifacts
+__tests__/__snapshots__/
+.pytest_cache/
+.jest/
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# CI/CD workflows
+.github/workflows/
+.gitea/workflows/
+
+# Compiled files
+*.pyc
+*.pyo
+*.pyd
+__pycache__/
+*.so
+*.dll
+*.dylib
+*.exe
+
+# Package manager files
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Docker
+docker-compose.override.yml
+
+# Large data files
+*.csv
+*.xlsx
+*.zip
+*.tar.gz
+*.rar

.github/copilot-instructions.md

@@ -0,0 +1,197 @@
+# Costco Grocery List - AI Agent Instructions
+
+## Architecture Overview
+
+This is a full-stack grocery list management app with **role-based access control (RBAC)**:
+- **Backend**: Node.js + Express + PostgreSQL (port 5000)
+- **Frontend**: React 19 + TypeScript + Vite (port 3000/5173)
+- **Deployment**: Docker Compose with separate dev/prod configurations
+
+### Key Design Patterns
+
+**Three-tier RBAC system** (`viewer`, `editor`, `admin`):
+- `viewer`: Read-only access to grocery lists
+- `editor`: Can add items and mark as bought
+- `admin`: Full user management via admin panel
+- Roles defined in [backend/models/user.model.js](backend/models/user.model.js) and mirrored in [frontend/src/constants/roles.js](frontend/src/constants/roles.js)
+
+**Middleware chain pattern** for protected routes:
+```javascript
+router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.addItem);
+```
+- `auth` middleware extracts JWT from `Authorization: Bearer <token>` header
+- `requireRole` checks if user's role matches allowed roles
+- See [backend/routes/list.routes.js](backend/routes/list.routes.js) for examples
+
+**Frontend route protection**:
+- `<PrivateRoute>`: Requires authentication, redirects to `/login` if no token
+- `<RoleGuard allowed={[ROLES.ADMIN]}>`: Requires specific role(s), redirects to `/` if unauthorized
+- Example in [frontend/src/App.jsx](frontend/src/App.jsx)
+
+## Database Schema
+
+**PostgreSQL server runs externally** - not in Docker Compose. Connection configured in [backend/.env](backend/.env) via standard environment variables.
+
+**Tables** (inferred from models, no formal migrations):
+- **users**: `id`, `username`, `password` (bcrypt hashed), `name`, `role`
+- **grocery_list**: `id`, `item_name`, `quantity`, `bought`, `added_by`
+- **grocery_history**: Junction table tracking which users added which items
+
+**Important patterns**:
+- No migration system - schema changes are manual SQL
+- Items use case-insensitive matching (`ILIKE`) to prevent duplicates
+- JOINs with `ARRAY_AGG` for multi-contributor queries (see [backend/models/list.model.js](backend/models/list.model.js))
+
+## Development Workflow
+
+### Local Development
+```bash
+# Start all services with hot-reload against LOCAL database
+docker-compose -f docker-compose.dev.yml up
+
+# Backend runs nodemon (watches backend/*.js)
+# Frontend runs Vite dev server with HMR on port 3000
+```
+
+**Key dev setup details**:
+- Volume mounts preserve `node_modules` in containers while syncing source code
+- Backend uses `Dockerfile` (standard) with `npm run dev` override
+- Frontend uses `Dockerfile.dev` with `CHOKIDAR_USEPOLLING=true` for file watching
+- Both connect to **external PostgreSQL server** (configured in `backend/.env`)
+- No database container in compose - DB is managed separately
+
+### Production Build
+```bash
+# Local production build (for testing)
+docker-compose -f docker-compose.prod.yml up --build
+
+# Actual production uses pre-built images
+docker-compose up  # Pulls from private registry
+```
+
+### CI/CD Pipeline (Gitea Actions)
+
+See [.gitea/workflows/deploy.yml](.gitea/workflows/deploy.yml) for full workflow:
+
+**Build stage** (on push to `main`):
+1. Run backend tests (`npm test --if-present`)
+2. Build backend image with tags: `:latest` and `:<commit-sha>`
+3. Build frontend image with tags: `:latest` and `:<commit-sha>`
+4. Push both images to private registry
+
+**Deploy stage**:
+1. SSH to production server
+2. Upload `docker-compose.yml` to deployment directory
+3. Pull latest images and restart containers with `docker compose up -d`
+4. Prune old images
+
+**Notify stage**:
+- Sends deployment status via webhook
+
+**Required secrets**:
+- `REGISTRY_USER`, `REGISTRY_PASS`: Docker registry credentials
+- `DEPLOY_HOST`, `DEPLOY_USER`, `DEPLOY_KEY`: SSH deployment credentials
+
+### Backend Scripts
+- `npm run dev`: Start with nodemon
+- `npm run build`: esbuild compilation + copy public assets to `dist/`
+- `npm test`: Run Jest tests (currently no tests exist)
+
+### Frontend Scripts
+- `npm run dev`: Vite dev server (port 5173)
+- `npm run build`: TypeScript compilation + Vite production build
+
+### Docker Configurations
+
+**docker-compose.yml** (production):
+- Pulls pre-built images from private registry
+- Backend on port 5000, frontend on port 3000 (nginx serves on port 80)
+- Requires `backend.env` and `frontend.env` files
+
+**docker-compose.dev.yml** (local development):
+- Builds images locally from Dockerfile/Dockerfile.dev
+- Volume mounts for hot-reload: `./backend:/app` and `./frontend:/app`
+- Named volumes preserve `node_modules` between rebuilds
+- Backend uses `backend/.env` directly
+- Frontend uses `Dockerfile.dev` with polling enabled for cross-platform compatibility
+
+**docker-compose.prod.yml** (local production testing):
+- Builds images locally using production Dockerfiles
+- Backend: Standard Node.js server
+- Frontend: Multi-stage build with nginx serving static files
+
+## Configuration & Environment
+
+**Backend** ([backend/.env](backend/.env)):
+- Database connection variables (host, user, password, database name)
+- `JWT_SECRET`: Token signing key
+- `ALLOWED_ORIGINS`: Comma-separated CORS whitelist (supports static origins + `192.168.*.*` IP ranges)
+- `PORT`: Server port (default 5000)
+
+**Frontend** (environment variables):
+- `VITE_API_URL`: Backend base URL
+
+**Config accessed via**:
+- Backend: `process.env.VAR_NAME`
+- Frontend: `import.meta.env.VITE_VAR_NAME` (see [frontend/src/config.ts](frontend/src/config.ts))
+
+## Authentication Flow
+
+1. User logs in → backend returns `{token, role, username}` ([backend/controllers/auth.controller.js](backend/controllers/auth.controller.js))
+2. Frontend stores in `localStorage` and `AuthContext` ([frontend/src/context/AuthContext.jsx](frontend/src/context/AuthContext.jsx))
+3. Axios interceptor auto-attaches `Authorization: Bearer <token>` header ([frontend/src/api/axios.js](frontend/src/api/axios.js))
+4. Backend validates JWT on protected routes ([backend/middleware/auth.js](backend/middleware/auth.js))
+5. On 401 "Invalid or expired token" response, frontend clears storage and redirects to login
+
+## Critical Conventions
+
+### Security Practices
+- **Never expose credentials**: Do not hardcode or document actual values for `JWT_SECRET`, database passwords, API keys, or any sensitive configuration
+- **No infrastructure details**: Avoid documenting specific IP addresses, domain names, deployment paths, or server locations in code or documentation
+- **Environment variables**: Reference `.env` files conceptually - never include actual contents
+- **Secrets in CI/CD**: Document that secrets are required, not their values
+- **Code review**: Scan all changes for accidentally committed credentials before pushing
+
+### Backend
+- **No SQL injection**: Always use parameterized queries (`$1`, `$2`, etc.) with [backend/db/pool.js](backend/db/pool.js)
+- **Password hashing**: Use `bcryptjs` for hashing (see [backend/controllers/auth.controller.js](backend/controllers/auth.controller.js))
+- **CORS**: Dynamic origin validation in [backend/app.js](backend/app.js) allows configured origins + local IPs
+- **Error responses**: Return JSON with `{message: "..."}` structure
+
+### Frontend
+- **Mixed JSX/TSX**: Some components are `.jsx` (JavaScript), others `.tsx` (TypeScript) - maintain existing file extensions
+- **API calls**: Use centralized `api` instance from [frontend/src/api/axios.js](frontend/src/api/axios.js), not raw axios
+- **Role checks**: Access role from `AuthContext`, compare with constants from [frontend/src/constants/roles.js](frontend/src/constants/roles.js)
+- **Navigation**: Use React Router's `<Navigate>` for redirects, not `window.location` (except in interceptor)
+
+## Common Tasks
+
+**Add a new protected route**:
+1. Backend: Add route with `auth` + `requireRole(...)` middleware
+2. Frontend: Add route in [frontend/src/App.jsx](frontend/src/App.jsx) wrapped in `<PrivateRoute>` and/or `<RoleGuard>`
+
+**Access user info in backend controller**:
+```javascript
+const { id, role } = req.user; // Set by auth middleware
+```
+
+**Query grocery items with contributors**:
+Use the JOIN pattern in [backend/models/list.model.js](backend/models/list.model.js) - aggregates user names via `grocery_history` table.
+
+## Testing
+
+**Backend**:
+- Jest configured at root level ([package.json](package.json))
+- Currently **no test files exist** - testing infrastructure needs development
+- CI/CD runs `npm test --if-present` but will pass if no tests found
+- Focus area: API endpoint testing (use `supertest` with Express)
+
+**Frontend**:
+- ESLint only (see [frontend/eslint.config.js](frontend/eslint.config.js))
+- No test runner configured
+- Manual testing workflow in use
+
+**To add backend tests**:
+1. Create `backend/__tests__/` directory
+2. Use Jest + Supertest pattern for API tests
+3. Mock database calls or use test database

IMAGE_STORAGE_IMPLEMENTATION.md

@@ -0,0 +1,110 @@
+# Image Storage Implementation - Complete
+
+## ✅ Implementation Summary
+
+Successfully implemented BYTEA-based image storage for verification purposes in the grocery list app.
+
+## 🗃️ Database Changes
+
+**Run this SQL on your PostgreSQL database:**
+```sql
+ALTER TABLE grocery_list 
+ADD COLUMN item_image BYTEA,
+ADD COLUMN image_mime_type VARCHAR(50);
+
+CREATE INDEX idx_grocery_list_has_image ON grocery_list ((item_image IS NOT NULL));
+```
+
+Location: `backend/migrations/add_image_columns.sql`
+
+## 🔧 Backend Changes
+
+### New Dependencies
+- **multer**: Handles file uploads
+- **sharp**: Compresses and resizes images to 800x800px, JPEG quality 85
+
+### Files Created/Modified
+1. **`backend/middleware/image.js`** - Image upload and processing middleware
+2. **`backend/models/list.model.js`** - Updated to handle image storage/retrieval
+3. **`backend/controllers/lists.controller.js`** - Modified to accept image uploads
+4. **`backend/routes/list.routes.js`** - Added multer middleware to `/add` endpoint
+
+### Image Processing
+- Maximum size: 10MB upload
+- Auto-resized to: 800x800px (fit inside, no enlargement)
+- Compression: JPEG quality 85
+- Estimated size: 300-500KB per image
+
+## 🎨 Frontend Changes
+
+### New Components
+1. **`ImageModal.jsx`** - Click-to-enlarge modal with animations
+2. **`ImageModal.css`** - Responsive modal styling
+
+### Files Modified
+1. **`AddItemForm.jsx`** - Added image upload with preview
+2. **`GroceryListItem.jsx`** - Shows images, click to enlarge
+3. **`GroceryList.css`** - Styling for image upload and display
+4. **`api/list.js`** - Updated to send FormData with images
+5. **`pages/GroceryList.jsx`** - Pass image file to addItem
+
+### Features
+- **Image upload** with live preview before submitting
+- **Remove image** button on preview
+- **Click to enlarge** any item image
+- **Responsive modal** with close on ESC or background click
+- **Placeholder** shows 📦 emoji for items without images
+- **Visual feedback** - images have blue border, hover effects
+
+## 🚀 How to Use
+
+### 1. Run Database Migration
+Connect to your PostgreSQL server and run the SQL in `backend/migrations/add_image_columns.sql`
+
+### 2. Restart Backend
+```bash
+docker-compose -f docker-compose.dev.yml restart backend
+```
+
+### 3. Test the Feature
+1. Navigate to the grocery list
+2. Click the "+" button to add an item
+3. Fill in item name and quantity
+4. Click "📷 Add Image (Optional)"
+5. Select an image (will be automatically compressed)
+6. Preview shows before submitting
+7. Click "Add Item"
+8. The item now displays with the image
+9. Click the image to view full-size in modal
+
+## 📊 Storage Estimates
+
+With 14GB allocated:
+- **500 items** × 500KB = 250MB
+- **1000 items** × 500KB = 500MB
+- **2000 items** × 500KB = 1GB
+
+You have plenty of headroom!
+
+## 🔒 Security Features
+
+- File type validation (images only)
+- File size limit (10MB max)
+- Auto-compression prevents oversized files
+- RBAC enforced (editor/admin only can upload)
+
+## 🎯 Next Steps (Optional Enhancements)
+
+1. **Bulk upload** - Add multiple images at once
+2. **Image cropping** - Let users crop before upload
+3. **Default images** - Library of pre-set grocery item icons
+4. **Image search** - Find items by image similarity
+5. **Delete image** - Remove image from existing item
+
+## 📝 Notes
+
+- Images are stored as base64 in database responses
+- Browser handles base64 → image display automatically
+- Modal closes on ESC key or clicking outside
+- Images maintain aspect ratio when displayed
+- Compression happens server-side (user doesn't wait)

backend/controllers/lists.controller.js

@@ -15,17 +15,23 @@ exports.getItemByName = async (req, res) => {
 
 exports.addItem = async (req, res) => {
   const { itemName, quantity } = req.body;
+  const userId = req.user.id;
 
-  const id = await List.addOrUpdateItem(itemName, quantity);
+  // Get processed image if uploaded
+  const imageBuffer = req.processedImage?.buffer || null;
+  const mimeType = req.processedImage?.mimeType || null;
 
-  await List.addHistoryRecord(id, quantity);
+  const id = await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);
 
-  res.json({ message: "Item added/updated" });
+  await List.addHistoryRecord(id, quantity, userId);
+
+  res.json({ message: "Item added/updated", addedBy: userId });
 };
 
 
 exports.markBought = async (req, res) => {
-  await List.setBought(req.body.id);
+  const userId = req.user.id;
+  await List.setBought(req.body.id, userId);
   res.json({ message: "Item marked bought" });
 };
 
@@ -35,3 +41,21 @@ exports.getSuggestions = async (req, res) => {
   const suggestions = await List.getSuggestions(query);
   res.json(suggestions);
 };
+
+exports.updateItemImage = async (req, res) => {
+  const { id, itemName, quantity } = req.body;
+  const userId = req.user.id;
+
+  // Get processed image
+  const imageBuffer = req.processedImage?.buffer || null;
+  const mimeType = req.processedImage?.mimeType || null;
+
+  if (!imageBuffer) {
+    return res.status(400).json({ message: "No image provided" });
+  }
+
+  // Update the item with new image
+  await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);
+
+  res.json({ message: "Image updated successfully" });
+};

backend/middleware/image.js

@@ -0,0 +1,48 @@
+const multer = require("multer");
+const sharp = require("sharp");
+
+// Configure multer for memory storage (we'll process before saving to DB)
+const upload = multer({
+  storage: multer.memoryStorage(),
+  limits: {
+    fileSize: 10 * 1024 * 1024, // 10MB max file size
+  },
+  fileFilter: (req, file, cb) => {
+    // Only accept images
+    if (file.mimetype.startsWith("image/")) {
+      cb(null, true);
+    } else {
+      cb(new Error("Only image files are allowed"), false);
+    }
+  },
+});
+
+// Middleware to process and compress images
+const processImage = async (req, res, next) => {
+  if (!req.file) {
+    return next();
+  }
+
+  try {
+    // Compress and resize image to 800x800px, JPEG quality 85
+    const processedBuffer = await sharp(req.file.buffer)
+      .resize(800, 800, {
+        fit: "inside",
+        withoutEnlargement: true,
+      })
+      .jpeg({ quality: 85 })
+      .toBuffer();
+
+    // Attach processed image to request
+    req.processedImage = {
+      buffer: processedBuffer,
+      mimeType: "image/jpeg",
+    };
+
+    next();
+  } catch (error) {
+    res.status(400).json({ message: "Error processing image: " + error.message });
+  }
+};
+
+module.exports = { upload, processImage };

backend/migrations/add_image_columns.sql

@@ -0,0 +1,20 @@
+# Database Migration: Add Image Support
+
+Run these SQL commands on your PostgreSQL database:
+
+```sql
+-- Add image columns to grocery_list table
+ALTER TABLE grocery_list 
+ADD COLUMN item_image BYTEA,
+ADD COLUMN image_mime_type VARCHAR(50);
+
+-- Optional: Add index for faster queries when filtering by items with images
+CREATE INDEX idx_grocery_list_has_image ON grocery_list ((item_image IS NOT NULL));
+```
+
+## To Verify:
+```sql
+\d grocery_list
+```
+
+You should see the new columns `item_image` and `image_mime_type`.

backend/models/list.model.js

@@ -3,7 +3,21 @@ const pool = require("../db/pool");
 
 exports.getUnboughtItems = async () => {
   const result = await pool.query(
-    "SELECT * FROM grocery_list WHERE bought = FALSE ORDER BY id ASC"
+    `SELECT 
+      gl.id, 
+      gl.item_name, 
+      gl.quantity, 
+      gl.bought,
+      ENCODE(gl.item_image, 'base64') as item_image,
+      gl.image_mime_type,
+      ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users
+    FROM grocery_list gl
+    LEFT JOIN users creator ON gl.added_by = creator.id
+    LEFT JOIN grocery_history gh ON gl.id = gh.list_item_id
+    LEFT JOIN users gh_user ON gh.added_by = gh_user.id
+    WHERE gl.bought = FALSE
+    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type
+    ORDER BY gl.id ASC`
   );
   return result.rows;
 };
@@ -18,13 +32,25 @@ exports.getItemByName = async (itemName) => {
 };
 
 
-exports.addOrUpdateItem = async (itemName, quantity) => {
+exports.addOrUpdateItem = async (itemName, quantity, userId, imageBuffer = null, mimeType = null) => {
   const result = await pool.query(
     "SELECT id, bought FROM grocery_list WHERE item_name ILIKE $1",
     [itemName]
   );
 
   if (result.rowCount > 0) {
+    // Update existing item
+    if (imageBuffer && mimeType) {
+      await pool.query(
+        `UPDATE grocery_list 
+        SET quantity = $1, 
+          bought = FALSE,
+          item_image = $3,
+          image_mime_type = $4
+        WHERE id = $2`,
+        [quantity, result.rows[0].id, imageBuffer, mimeType]
+      );
+    } else {
       await pool.query(
         `UPDATE grocery_list 
         SET quantity = $1, 
@@ -32,29 +58,31 @@ exports.addOrUpdateItem = async (itemName, quantity) => {
         WHERE id = $2`,
         [quantity, result.rows[0].id]
       );
+    }
     return result.rows[0].id;
   } else {
+    // Insert new item
     const insert = await pool.query(
       `INSERT INTO grocery_list 
-      (item_name, quantity) 
+      (item_name, quantity, added_by, item_image, image_mime_type) 
-      VALUES ($1, $2) RETURNING id`,
+      VALUES ($1, $2, $3, $4, $5) RETURNING id`,
-      [itemName, quantity]
+      [itemName, quantity, userId, imageBuffer, mimeType]
     );
     return insert.rows[0].id;
   }
 };
 
 
-exports.setBought = async (id) => {
+exports.setBought = async (id, userId) => {
   await pool.query("UPDATE grocery_list SET bought = TRUE WHERE id = $1", [id]);
 };
 
 
-exports.addHistoryRecord = async (itemId, quantity) => {
+exports.addHistoryRecord = async (itemId, quantity, userId) => {
   await pool.query(
-    `INSERT INTO grocery_history (list_item_id, quantity, added_on)
+    `INSERT INTO grocery_history (list_item_id, quantity, added_by, added_on)
-     VALUES ($1, $2, NOW())`,
+     VALUES ($1, $2, $3, NOW())`,
-    [itemId, quantity]
+    [itemId, quantity, userId]
   );
 };
 

backend/package-lock.json

@@ -10,7 +10,9 @@
         "dotenv": "^17.2.3",
         "express": "^5.1.0",
         "jsonwebtoken": "^9.0.2",
-        "pg": "^8.16.0"
+        "multer": "^2.0.2",
+        "pg": "^8.16.0",
+        "sharp": "^0.34.5"
       },
       "devDependencies": {
         "cpx": "^1.5.0",
@@ -19,6 +21,15 @@
         "rimraf": "^6.0.1"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.7.1.tgz",
+      "integrity": "sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA==",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.5",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.5.tgz",
@@ -419,6 +430,446 @@
         "node": ">=18"
       }
     },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
+      "integrity": "sha512-imtQ3WMJXbMY4fxb/Ndp6HBTNVtWCUI0WdobyheGf5+ad6xX8VIDO8u2xE4qc/fr08CKG/7dDseFtn6M6g/r3w==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.34.5.tgz",
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+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
+      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/dotenv": {
       "version": "17.2.3",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.3.tgz",
@@ -2138,7 +2645,6 @@
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
       "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
-      "dev": true,
       "funding": {
         "url": "https://github.com/sponsors/ljharb"
       }
@@ -2181,7 +2687,6 @@
       "version": "0.5.6",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
       "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
-      "dev": true,
       "dependencies": {
         "minimist": "^1.2.6"
       },
@@ -2194,6 +2699,62 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
+    "node_modules/multer": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz",
+      "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==",
+      "dependencies": {
+        "append-field": "^1.0.0",
+        "busboy": "^1.6.0",
+        "concat-stream": "^2.0.0",
+        "mkdirp": "^0.5.6",
+        "object-assign": "^4.1.1",
+        "type-is": "^1.6.18",
+        "xtend": "^4.0.2"
+      },
+      "engines": {
+        "node": ">= 10.16.0"
+      }
+    },
+    "node_modules/multer/node_modules/media-typer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/nan": {
       "version": "2.22.2",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.22.2.tgz",
@@ -3503,6 +4064,49 @@
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
       "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
     },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -3842,11 +4446,18 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/streamsearch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
+      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
       "dependencies": {
         "safe-buffer": "~5.1.0"
       }
@@ -3854,8 +4465,7 @@
     "node_modules/string_decoder/node_modules/safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-      "dev": true
     },
     "node_modules/string-width": {
       "version": "5.1.2",
@@ -4055,6 +4665,12 @@
         "nodetouch": "bin/nodetouch.js"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "optional": true
+    },
     "node_modules/type-is": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz",
@@ -4068,6 +4684,11 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
+    },
     "node_modules/undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
@@ -4173,8 +4794,7 @@
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
-      "dev": true
     },
     "node_modules/vary": {
       "version": "1.1.2",

backend/package.json

@@ -5,7 +5,9 @@
     "dotenv": "^17.2.3",
     "express": "^5.1.0",
     "jsonwebtoken": "^9.0.2",
-    "pg": "^8.16.0"
+    "multer": "^2.0.2",
+    "pg": "^8.16.0",
+    "sharp": "^0.34.5"
   },
   "devDependencies": {
     "cpx": "^1.5.0",

backend/routes/list.routes.js

@@ -4,6 +4,7 @@ const auth = require("../middleware/auth");
 const requireRole = require("../middleware/rbac");
 const { ROLES } = require("../models/user.model");
 const User = require("../models/user.model");
+const { upload, processImage } = require("../middleware/image");
 
 
 
@@ -12,7 +13,8 @@ router.get("/item-by-name", auth, requireRole(...Object.values(ROLES)), controll
 router.get("/suggest", auth, requireRole(...Object.values(ROLES)), controller.getSuggestions);
 
 
-router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.addItem);
+router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.addItem);
+router.post("/update-image", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.updateItemImage);
 router.post("/mark-bought", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.markBought);
 
 

dev-rebuild.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Quick script to rebuild Docker Compose dev environment
+
+echo "Stopping containers and removing volumes..."
+docker-compose -f docker-compose.dev.yml down -v
+
+echo "Rebuilding and starting containers..."
+docker-compose -f docker-compose.dev.yml up --build

docker-compose.dev.yml

@@ -7,7 +7,7 @@ services:
       - NODE_ENV=development
     volumes:
       - ./frontend:/app
-      - /app/node_modules
+      - frontend_node_modules:/app/node_modules
     ports:
       - "3000:5173"
     depends_on:
@@ -21,9 +21,13 @@ services:
     command: npm run dev
     volumes:
       - ./backend:/app
-      - /app/node_modules
+      - backend_node_modules:/app/node_modules
     ports:
       - "5000:5000"
     env_file:
       - ./backend/.env
     restart: always
+
+volumes:
+  frontend_node_modules:
+  backend_node_modules:

frontend/src/api/list.js

@@ -2,6 +2,36 @@ import api from "./axios";
 
 export const getList = () => api.get("/list");
 export const getItemByName = (itemName) => api.get("/list/item-by-name", { params: { itemName: itemName } });
-export const addItem = (itemName, quantity) => api.post("/list/add", { itemName, quantity });
+
+export const addItem = (itemName, quantity, imageFile = null) => {
+  const formData = new FormData();
+  formData.append("itemName", itemName);
+  formData.append("quantity", quantity);
+
+  if (imageFile) {
+    formData.append("image", imageFile);
+  }
+
+  return api.post("/list/add", formData, {
+    headers: {
+      "Content-Type": "multipart/form-data",
+    },
+  });
+};
+
 export const markBought = (id) => api.post("/list/mark-bought", { id });
 export const getSuggestions = (query) => api.get("/list/suggest", { params: { query: query } });
+
+export const updateItemImage = (id, itemName, quantity, imageFile) => {
+  const formData = new FormData();
+  formData.append("id", id);
+  formData.append("itemName", itemName);
+  formData.append("quantity", quantity);
+  formData.append("image", imageFile);
+
+  return api.post("/list/update-image", formData, {
+    headers: {
+      "Content-Type": "multipart/form-data",
+    },
+  });
+};

frontend/src/components/AddImageModal.jsx

@@ -0,0 +1,99 @@
+import { useRef, useState } from "react";
+import "../styles/AddImageModal.css";
+
+export default function AddImageModal({ itemName, onClose, onAddImage }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleFileSelect = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      setSelectedImage(file);
+      const reader = new FileReader();
+      reader.onloadend = () => {
+        setImagePreview(reader.result);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  const handleConfirm = () => {
+    if (selectedImage) {
+      onAddImage(selectedImage);
+    }
+  };
+
+  const removeImage = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  return (
+    <div className="add-image-modal-overlay" onClick={onClose}>
+      <div className="add-image-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Add Image</h2>
+        <p className="add-image-subtitle">
+          There's no image for <strong>"{itemName}"</strong> yet. Add a new image?
+        </p>
+
+        {!imagePreview ? (
+          <div className="add-image-options">
+            <button onClick={handleCameraClick} className="add-image-option-btn camera">
+              📷 Use Camera
+            </button>
+            <button onClick={handleGalleryClick} className="add-image-option-btn gallery">
+              🖼️ Choose from Gallery
+            </button>
+          </div>
+        ) : (
+          <div className="add-image-preview-container">
+            <div className="add-image-preview">
+              <img src={imagePreview} alt="Preview" />
+              <button type="button" onClick={removeImage} className="add-image-remove">
+                ×
+              </button>
+            </div>
+          </div>
+        )}
+
+        <input
+          ref={cameraInputRef}
+          type="file"
+          accept="image/*"
+          capture="environment"
+          onChange={handleFileSelect}
+          style={{ display: "none" }}
+        />
+
+        <input
+          ref={galleryInputRef}
+          type="file"
+          accept="image/*"
+          onChange={handleFileSelect}
+          style={{ display: "none" }}
+        />
+
+        <div className="add-image-actions">
+          <button onClick={onClose} className="add-image-cancel">
+            Cancel
+          </button>
+          {imagePreview && (
+            <button onClick={handleConfirm} className="add-image-confirm">
+              Add Image
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/components/AddItemForm.jsx

@@ -0,0 +1,60 @@
+import { useState } from "react";
+import SuggestionList from "./SuggestionList";
+
+export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText = "Add Item" }) {
+  const [itemName, setItemName] = useState("");
+  const [quantity, setQuantity] = useState(1);
+  const [showSuggestions, setShowSuggestions] = useState(false);
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    if (!itemName.trim()) return;
+
+    onAdd(itemName, quantity);
+    setItemName("");
+    setQuantity(1);
+  };
+
+  const handleInputChange = (text) => {
+    setItemName(text);
+    onSuggest(text);
+  };
+
+  const handleSuggestionSelect = (suggestion) => {
+    setItemName(suggestion);
+    setShowSuggestions(false);
+  };
+
+  return (
+    <form onSubmit={handleSubmit}>
+      <input
+        type="text"
+        className="glist-input"
+        placeholder="Item name"
+        value={itemName}
+        onChange={(e) => handleInputChange(e.target.value)}
+        onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
+        onClick={() => setShowSuggestions(true)}
+      />
+
+      {showSuggestions && suggestions.length > 0 && (
+        <SuggestionList
+          suggestions={suggestions}
+          onSelect={handleSuggestionSelect}
+        />
+      )}
+
+      <input
+        type="number"
+        min="1"
+        className="glist-input"
+        value={quantity}
+        onChange={(e) => setQuantity(Number(e.target.value))}
+      />
+
+      <button type="submit" className="glist-btn">
+        {buttonText}
+      </button>
+    </form>
+  );
+}

frontend/src/components/ConfirmBuyModal.jsx

@@ -0,0 +1,67 @@
+import { useState } from "react";
+import "../styles/ConfirmBuyModal.css";
+
+export default function ConfirmBuyModal({ item, onConfirm, onCancel }) {
+  const [quantity, setQuantity] = useState(item.quantity);
+  const maxQuantity = item.quantity;
+
+  const handleIncrement = () => {
+    if (quantity < maxQuantity) {
+      setQuantity(prev => prev + 1);
+    }
+  };
+
+  const handleDecrement = () => {
+    if (quantity > 1) {
+      setQuantity(prev => prev - 1);
+    }
+  };
+
+  const handleConfirm = () => {
+    onConfirm(quantity);
+  };
+
+  return (
+    <div className="confirm-buy-modal-overlay" onClick={onCancel}>
+      <div className="confirm-buy-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Mark as Bought</h2>
+        <p className="confirm-buy-item-name">"{item.item_name}"</p>
+
+        <div className="confirm-buy-quantity-section">
+          <p className="confirm-buy-label">Quantity to buy:</p>
+          <div className="confirm-buy-counter">
+            <button
+              onClick={handleDecrement}
+              className="confirm-buy-counter-btn"
+              disabled={quantity <= 1}
+            >
+              −
+            </button>
+            <input
+              type="number"
+              value={quantity}
+              readOnly
+              className="confirm-buy-counter-display"
+            />
+            <button
+              onClick={handleIncrement}
+              className="confirm-buy-counter-btn"
+              disabled={quantity >= maxQuantity}
+            >
+              +
+            </button>
+          </div>
+        </div>
+
+        <div className="confirm-buy-actions">
+          <button onClick={onCancel} className="confirm-buy-cancel">
+            Cancel
+          </button>
+          <button onClick={handleConfirm} className="confirm-buy-confirm">
+            Mark as Bought
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/components/ErrorMessage.jsx

@@ -0,0 +1,7 @@
+export default function ErrorMessage({ message, type = "error" }) {
+  if (!message) return null;
+
+  const className = type === "success" ? "success-message" : "error-message";
+
+  return <p className={className}>{message}</p>;
+}

frontend/src/components/FloatingActionButton.jsx

@@ -0,0 +1,7 @@
+export default function FloatingActionButton({ isOpen, onClick }) {
+  return (
+    <button className="glist-fab" onClick={onClick}>
+      {isOpen ? "−" : "+"}
+    </button>
+  );
+}

frontend/src/components/FormInput.jsx

@@ -0,0 +1,21 @@
+export default function FormInput({
+  type = "text",
+  placeholder,
+  value,
+  onChange,
+  onKeyUp,
+  required = false,
+  className = "",
+}) {
+  return (
+    <input
+      type={type}
+      placeholder={placeholder}
+      value={value}
+      onChange={onChange}
+      onKeyUp={onKeyUp}
+      required={required}
+      className={className}
+    />
+  );
+}

frontend/src/components/GroceryListItem.jsx

@@ -0,0 +1,100 @@
+import { useState } from "react";
+import AddImageModal from "./AddImageModal";
+import ConfirmBuyModal from "./ConfirmBuyModal";
+import ImageModal from "./ImageModal";
+
+export default function GroceryListItem({ item, onClick, onImageAdded }) {
+  const [showModal, setShowModal] = useState(false);
+  const [showAddImageModal, setShowAddImageModal] = useState(false);
+  const [showConfirmBuyModal, setShowConfirmBuyModal] = useState(false);
+
+  const handleItemClick = () => {
+    setShowConfirmBuyModal(true);
+  };
+
+  const handleConfirmBuy = (quantity) => {
+    if (onClick) {
+      onClick(quantity);
+    }
+    setShowConfirmBuyModal(false);
+  };
+
+  const handleCancelBuy = () => {
+    setShowConfirmBuyModal(false);
+  };
+
+  const handleImageClick = (e) => {
+    e.stopPropagation(); // Prevent triggering the bought action
+    if (item.item_image) {
+      setShowModal(true);
+    } else {
+      setShowAddImageModal(true);
+    }
+  };
+
+  const handleAddImage = async (imageFile) => {
+    if (onImageAdded) {
+      await onImageAdded(item.id, item.item_name, item.quantity, imageFile);
+    }
+    setShowAddImageModal(false);
+  };
+
+  const imageUrl = item.item_image && item.image_mime_type
+    ? `data:${item.image_mime_type};base64,${item.item_image}`
+    : null;
+
+  return (
+    <>
+      <li className="glist-li" onClick={handleItemClick}>
+        <div className="glist-item-layout">
+          <div
+            className={`glist-item-image ${item.item_image ? "has-image" : ""}`}
+            onClick={handleImageClick}
+            style={{ cursor: "pointer" }}
+          >
+            {item.item_image ? (
+              <img src={imageUrl} alt={item.item_name} />
+            ) : (
+              <span>📦</span>
+            )}
+            <span className="glist-item-quantity">x{item.quantity}</span>
+          </div>
+          <div className="glist-item-content">
+            <div className="glist-item-header">
+              <span className="glist-item-name">{item.item_name}</span>
+            </div>
+            {item.added_by_users && item.added_by_users.length > 0 && (
+              <div className="glist-item-users">
+                {item.added_by_users.join(", ")}
+              </div>
+            )}
+          </div>
+        </div>
+      </li>
+
+      {showModal && (
+        <ImageModal
+          imageUrl={imageUrl}
+          itemName={item.item_name}
+          onClose={() => setShowModal(false)}
+        />
+      )}
+
+      {showAddImageModal && (
+        <AddImageModal
+          itemName={item.item_name}
+          onClose={() => setShowAddImageModal(false)}
+          onAddImage={handleAddImage}
+        />
+      )}
+
+      {showConfirmBuyModal && (
+        <ConfirmBuyModal
+          item={item}
+          onConfirm={handleConfirmBuy}
+          onCancel={handleCancelBuy}
+        />
+      )}
+    </>
+  );
+}

frontend/src/components/ImageModal.jsx

@@ -0,0 +1,27 @@
+import { useEffect } from "react";
+import "../styles/ImageModal.css";
+
+export default function ImageModal({ imageUrl, itemName, onClose }) {
+  useEffect(() => {
+    // Close modal on Escape key
+    const handleEscape = (e) => {
+      if (e.key === "Escape") onClose();
+    };
+    document.addEventListener("keydown", handleEscape);
+    return () => document.removeEventListener("keydown", handleEscape);
+  }, [onClose]);
+
+  if (!imageUrl) return null;
+
+  return (
+    <div className="image-modal-overlay" onClick={onClose}>
+      <div className="image-modal-content" onClick={(e) => e.stopPropagation()}>
+        <button className="image-modal-close" onClick={onClose}>
+          ×
+        </button>
+        <img src={imageUrl} alt={itemName} className="image-modal-img" />
+        <p className="image-modal-caption">{itemName}</p>
+      </div>
+    </div>
+  );
+}

frontend/src/components/ImageUploadModal.jsx

@@ -0,0 +1,102 @@
+import { useRef, useState } from "react";
+import "../styles/ImageUploadModal.css";
+
+export default function ImageUploadModal({ itemName, onConfirm, onSkip, onCancel }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleImageChange = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      setSelectedImage(file);
+      const reader = new FileReader();
+      reader.onloadend = () => {
+        setImagePreview(reader.result);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const removeImage = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  const handleConfirm = () => {
+    onConfirm(selectedImage);
+  };
+
+  const handleCancel = () => {
+    if (onCancel) {
+      onCancel();
+    }
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  return (
+    <div className="image-upload-modal-overlay" onClick={handleCancel}>
+      <div className="image-upload-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Add Image for "{itemName}"</h2>
+        <p className="image-upload-subtitle">This is a new item. Would you like to add a verification image?</p>
+
+        <div className="image-upload-content">
+          {!imagePreview ? (
+            <div className="image-upload-options">
+              <button onClick={handleCameraClick} className="image-upload-option-btn camera">
+                📷 Use Camera
+              </button>
+              <button onClick={handleGalleryClick} className="image-upload-option-btn gallery">
+                🖼️ Choose from Gallery
+              </button>
+            </div>
+          ) : (
+            <div className="modal-image-preview">
+              <img src={imagePreview} alt="Preview" />
+              <button type="button" onClick={removeImage} className="modal-remove-image">
+                ×
+              </button>
+            </div>
+          )}
+        </div>
+
+        <input
+          ref={cameraInputRef}
+          type="file"
+          accept="image/*"
+          capture="environment"
+          onChange={handleImageChange}
+          style={{ display: "none" }}
+        />
+
+        <input
+          ref={galleryInputRef}
+          type="file"
+          accept="image/*"
+          onChange={handleImageChange}
+          style={{ display: "none" }}
+        />
+
+        <div className="image-upload-actions">
+          <button onClick={handleCancel} className="image-upload-cancel">
+            Cancel
+          </button>
+          <button onClick={onSkip} className="image-upload-skip">
+            Skip
+          </button>
+          <button onClick={handleConfirm} className="image-upload-confirm" disabled={!selectedImage}>
+            {selectedImage ? "Add with Image" : "Select an Image"}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/components/SimilarItemModal.jsx

@@ -0,0 +1,29 @@
+import "../styles/SimilarItemModal.css";
+
+export default function SimilarItemModal({ originalName, suggestedName, onCancel, onNo, onYes }) {
+  return (
+    <div className="similar-item-modal-overlay" onClick={onCancel}>
+      <div className="similar-item-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Similar Item Found</h2>
+        <p className="similar-item-question">
+          Do you mean <strong>"{suggestedName}"</strong>?
+        </p>
+        <p className="similar-item-clarification">
+          You entered: "{originalName}"
+        </p>
+
+        <div className="similar-item-actions">
+          <button onClick={onCancel} className="similar-item-cancel">
+            Cancel
+          </button>
+          <button onClick={onNo} className="similar-item-no">
+            No, Create New
+          </button>
+          <button onClick={onYes} className="similar-item-yes">
+            Yes, Use Suggestion
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/components/SortDropdown.jsx

@@ -0,0 +1,10 @@
+export default function SortDropdown({ value, onChange }) {
+  return (
+    <select value={value} onChange={(e) => onChange(e.target.value)} className="glist-sort">
+      <option value="az">A → Z</option>
+      <option value="za">Z → A</option>
+      <option value="qty-high">Quantity: High → Low</option>
+      <option value="qty-low">Quantity: Low → High</option>
+    </select>
+  );
+}

frontend/src/components/UserRoleCard.jsx

@@ -0,0 +1,21 @@
+import { ROLES } from "../constants/roles";
+
+export default function UserRoleCard({ user, onRoleChange }) {
+  return (
+    <div className="user-card">
+      <div className="user-info">
+        <strong>{user.name}</strong>
+        <span className="user-username">@{user.username}</span>
+      </div>
+      <select
+        onChange={(e) => onRoleChange(user.id, e.target.value)}
+        value={user.role}
+        className="role-select"
+      >
+        <option value={ROLES.VIEWER}>Viewer</option>
+        <option value={ROLES.EDITOR}>Editor</option>
+        <option value={ROLES.ADMIN}>Admin</option>
+      </select>
+    </div>
+  );
+}

frontend/src/pages/AdminPanel.jsx

@@ -1,13 +1,13 @@
 import { useEffect, useState } from "react";
 import { getAllUsers, updateRole } from "../api/users";
-import { ROLES } from "../constants/roles";
+import UserRoleCard from "../components/UserRoleCard";
+import "../styles/UserRoleCard.css";
 
 export default function AdminPanel() {
   const [users, setUsers] = useState([]);
 
   async function loadUsers() {
     const allUsers = await getAllUsers();
-    console.log(allUsers);
     setUsers(allUsers.data);
   }
 
@@ -22,19 +22,17 @@ export default function AdminPanel() {
   }
 
   return (
-    <div>
+    <div style={{ padding: "2rem" }}>
       <h1>Admin Panel</h1>
+      <div style={{ marginTop: "2rem" }}>
         {users.map((user) => (
-        <div key={user.id}>
+          <UserRoleCard
-          <strong>{user.username}</strong> - {user.role}
+            key={user.id}
-          <select onChange={(e) => changeRole(user.id, e.target.value)} value={user.role}>
+            user={user}
-            <option value={ROLES.VIEWER}>Viewer</option>
+            onRoleChange={changeRole}
-            <option value={ROLES.EDITOR}>Editor</option>
+          />
-            <option value={ROLES.ADMIN}>Admin</option>
+        ))}
-          </select>
+      </div>
     </div>
-      ))
-      }
-    </div >
   )
 }

frontend/src/pages/GroceryList.jsx

@@ -1,28 +1,35 @@
 import { useContext, useEffect, useState } from "react";
-import { addItem, getItemByName, getList, getSuggestions, markBought } from "../api/list";
+import { addItem, getItemByName, getList, getSuggestions, markBought, updateItemImage } from "../api/list";
+import AddItemForm from "../components/AddItemForm";
+import FloatingActionButton from "../components/FloatingActionButton";
+import GroceryListItem from "../components/GroceryListItem";
+import ImageUploadModal from "../components/ImageUploadModal";
+import SimilarItemModal from "../components/SimilarItemModal";
+import SortDropdown from "../components/SortDropdown";
 import { ROLES } from "../constants/roles";
 import { AuthContext } from "../context/AuthContext";
 import "../styles/GroceryList.css";
+import { findSimilarItems } from "../utils/stringSimilarity";
 
 export default function GroceryList() {
-  const { role, username } = useContext(AuthContext);
+  const { role } = useContext(AuthContext);
 
   const [items, setItems] = useState([]);
   const [sortedItems, setSortedItems] = useState([]);
-
   const [sortMode, setSortMode] = useState("az");
-
-  const [showSuggestions, setShowSuggestions] = useState(false);
-  const [itemName, setItemName] = useState("");
-  const [quantity, setQuantity] = useState(1);
   const [suggestions, setSuggestions] = useState([]);
-
+  const [showAddForm, setShowAddForm] = useState(false);
-  const [showAddForm, setShowAddForm] = useState(true);
   const [loading, setLoading] = useState(true);
+  const [buttonText, setButtonText] = useState("Add Item");
+  const [pendingItem, setPendingItem] = useState(null);
+  const [showImageModal, setShowImageModal] = useState(false);
+  const [showSimilarModal, setShowSimilarModal] = useState(false);
+  const [similarItemSuggestion, setSimilarItemSuggestion] = useState(null);
 
   const loadItems = async () => {
     setLoading(true);
     const res = await getList();
+    console.log(res.data);
     setItems(res.data);
     setLoading(false);
   };
@@ -34,29 +41,38 @@ export default function GroceryList() {
   useEffect(() => {
     let sorted = [...items];
 
-    if (sortMode === "az")
+    if (sortMode === "az") sorted.sort((a, b) => a.item_name.localeCompare(b.item_name));
-      sorted.sort((a, b) => a.item_name.localeCompare(b.item_name));
+    if (sortMode === "za") sorted.sort((a, b) => b.item_name.localeCompare(a.item_name));
-
+    if (sortMode === "qty-high") sorted.sort((a, b) => b.quantity - a.quantity);
-    if (sortMode === "za")
+    if (sortMode === "qty-low") sorted.sort((a, b) => a.quantity - b.quantity);
-      sorted.sort((a, b) => b.item_name.localeCompare(a.item_name));
-
-    if (sortMode === "qty-high")
-      sorted.sort((a, b) => b.quantity - a.quantity);
-
-    if (sortMode === "qty-low")
-      sorted.sort((a, b) => a.quantity - b.quantity);
 
     setSortedItems(sorted);
   }, [items, sortMode]);
 
   const handleSuggest = async (text) => {
-    setItemName(text);
-
     if (!text.trim()) {
       setSuggestions([]);
+      setButtonText("Add Item");
       return;
     }
 
+    // Check if exact match exists (case-insensitive)
+    const lowerText = text.toLowerCase().trim();
+    const exactMatch = items.find(item => item.item_name.toLowerCase() === lowerText);
+
+    if (exactMatch) {
+      setButtonText("Add Item");
+    } else {
+      // Check for similar items (80% match)
+      const similar = findSimilarItems(text, items, 80);
+      if (similar.length > 0) {
+        // Show suggestion in button but allow creation
+        setButtonText("Create and Add Item");
+      } else {
+        setButtonText("Create and Add Item");
+      }
+    }
+
     try {
       let suggestions = await getSuggestions(text);
       suggestions = suggestions.data.map(s => s.item_name);
@@ -66,40 +82,126 @@ export default function GroceryList() {
     }
   };
 
-  const handleAdd = async (e) => {
+  const handleAdd = async (itemName, quantity) => {
-    e.preventDefault();
     if (!itemName.trim()) return;
-    let newQuantity = quantity;
 
-    const item = await getItemByName(itemName);
+    const lowerItemName = itemName.toLowerCase().trim();
-    if (item.data && item.data.bought === false) {
+
-      console.log("Item exists:", item.data);
+    // Check for 80% similar items
-      let currentQuantity = item.data.quantity;
+    const similar = findSimilarItems(itemName, items, 80);
+    if (similar.length > 0) {
+      // Show modal and wait for user decision
+      setSimilarItemSuggestion({ originalName: itemName, suggestedItem: similar[0], quantity });
+      setShowSimilarModal(true);
+      return;
+    }
+
+    // Continue with normal flow
+    await processItemAddition(itemName, quantity);
+  };
+
+  const processItemAddition = async (itemName, quantity) => {
+
+    // Check if item exists in database (case-insensitive)
+    let existingItem = null;
+    try {
+      const response = await getItemByName(itemName);
+      existingItem = response.data;
+    } catch {
+      existingItem = null;
+    }
+
+    if (existingItem && existingItem.bought === false) {
+      // Item exists and is unbought - update quantity
+      const currentQuantity = existingItem.quantity;
+      const newQuantity = currentQuantity + quantity;
       const yes = window.confirm(
-        `Item "${itemName}" already exists in the list. Do you want to update its quantity from ${currentQuantity} to ${currentQuantity + newQuantity}?`
+        `Item "${itemName}" already exists in the list. Do you want to update its quantity from ${currentQuantity} to ${newQuantity}?`
       );
       if (!yes) return;
 
-      newQuantity += currentQuantity;
+      await addItem(itemName, newQuantity, null);
-    }
-
-    await addItem(itemName, newQuantity);
-
-    setItemName("");
-    setQuantity(1);
       setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } else if (existingItem) {
+      // Item exists in database (was previously bought) - just add quantity
+      await addItem(itemName, quantity, null);
+      setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } else {
+      // NEW ITEM - show image upload modal
+      setPendingItem({ itemName, quantity });
+      setShowImageModal(true);
+    }
+  };
 
+  const handleSimilarCancel = () => {
+    setShowSimilarModal(false);
+    setSimilarItemSuggestion(null);
+  };
+
+  const handleSimilarNo = async () => {
+    if (!similarItemSuggestion) return;
+    setShowSimilarModal(false);
+    // Create new item with original name
+    await processItemAddition(similarItemSuggestion.originalName, similarItemSuggestion.quantity);
+    setSimilarItemSuggestion(null);
+  };
+
+  const handleSimilarYes = async () => {
+    if (!similarItemSuggestion) return;
+    setShowSimilarModal(false);
+    // Use suggested item name
+    await processItemAddition(similarItemSuggestion.suggestedItem.item_name, similarItemSuggestion.quantity);
+    setSimilarItemSuggestion(null);
+  };
+
+  const handleImageConfirm = async (imageFile) => {
+    if (!pendingItem) return;
+
+    await addItem(pendingItem.itemName, pendingItem.quantity, imageFile);
+    setShowImageModal(false);
+    setPendingItem(null);
+    setSuggestions([]);
+    setButtonText("Add Item");
     loadItems();
   };
 
-  const handleBought = async (id) => {
+  const handleImageSkip = async () => {
-    const yes = window.confirm("Mark this item as bought?");
+    if (!pendingItem) return;
-    if (!yes) return;
 
+    await addItem(pendingItem.itemName, pendingItem.quantity, null);
+    setShowImageModal(false);
+    setPendingItem(null);
+    setSuggestions([]);
+    setButtonText("Add Item");
+    loadItems();
+  };
+
+  const handleImageCancel = () => {
+    setShowImageModal(false);
+    setPendingItem(null);
+    setSuggestions([]);
+    setButtonText("Add Item");
+  };
+
+  const handleBought = async (id, quantity) => {
     await markBought(id);
     loadItems();
   };
 
+  const handleImageAdded = async (id, itemName, quantity, imageFile) => {
+    try {
+      await updateItemImage(id, itemName, quantity, imageFile);
+      loadItems(); // Reload to show new image
+    } catch (error) {
+      console.error("Failed to add image:", error);
+      alert("Failed to add image. Please try again.");
+    }
+  };
+
   if (loading) return <p>Loading...</p>;
 
   return (
@@ -107,86 +209,57 @@ export default function GroceryList() {
       <div className="glist-container">
         <h1 className="glist-title">Costco Grocery List</h1>
 
-        {/* Sorting dropdown */}
+        <SortDropdown value={sortMode} onChange={setSortMode} />
-        <select
-          value={sortMode}
-          onChange={(e) => setSortMode(e.target.value)}
-          className="glist-sort"
-        >
-          <option value="az">A → Z</option>
-          <option value="za">Z → A</option>
-          <option value="qty-high">Quantity: High → Low</option>
-          <option value="qty-low">Quantity: Low → High</option>
-        </select>
 
-        {/* Add Item form (editor/admin only) */}
         {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && showAddForm && (
-          <>
+          <AddItemForm
-            <input
+            onAdd={handleAdd}
-              type="text"
+            onSuggest={handleSuggest}
-              className="glist-input"
+            suggestions={suggestions}
-              placeholder="Item name"
+            buttonText={buttonText}
-              value={itemName}
-              onChange={(e) => handleSuggest(e.target.value)}
-              onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
-              onClick={() => setShowSuggestions(true)}
           />
-
-            {showSuggestions && suggestions.length > 0 && (
-              <ul className="glist-suggest-box">
-                {suggestions.map((s, i) => (
-                  <li
-                    key={i}
-                    className="glist-suggest-item"
-                    onClick={() => {
-                      setItemName(s);
-                      setSuggestions([]);
-                    }}
-                  >
-                    {s}
-                  </li>
-                ))}
-              </ul>
         )}
 
-            <input
-              type="number"
-              min="1"
-              className="glist-input"
-              value={quantity}
-              onChange={(e) => setQuantity(Number(e.target.value))}
-            />
-
-            <button className="glist-btn" onClick={handleAdd}>
-              Add Item
-            </button>
-          </>
-        )}
-
-        {/* Grocery list */}
         <ul className="glist-ul">
           {sortedItems.map((item) => (
-            <li
+            <GroceryListItem
               key={item.id}
-              className="glist-li"
+              item={item}
-              onClick={() =>
+              onClick={(quantity) =>
-                [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id)
+                [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id, quantity)
               }
-            >
+              onImageAdded={
-              {item.item_name} ({item.quantity})
+                [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
-            </li>
+              }
+            />
           ))}
         </ul>
       </div>
 
-      {/* Floating Button (editor/admin only) */}
       {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && (
-        <button
+        <FloatingActionButton
-          className="glist-fab"
+          isOpen={showAddForm}
           onClick={() => setShowAddForm(!showAddForm)}
-        >
+        />
-          {showAddForm ? "−" : "+"}
+      )}
-        </button>
+
+      {showImageModal && pendingItem && (
+        <ImageUploadModal
+          itemName={pendingItem.itemName}
+          onConfirm={handleImageConfirm}
+          onSkip={handleImageSkip}
+          onCancel={handleImageCancel}
+        />
+      )}
+
+      {showSimilarModal && similarItemSuggestion && (
+        <SimilarItemModal
+          originalName={similarItemSuggestion.originalName}
+          suggestedName={similarItemSuggestion.suggestedItem.item_name}
+          onCancel={handleSimilarCancel}
+          onNo={handleSimilarNo}
+          onYes={handleSimilarYes}
+        />
       )}
     </div>
   );

frontend/src/pages/Login.jsx

@@ -1,6 +1,8 @@
 import { useContext, useState } from "react";
 import { Link } from "react-router-dom";
 import { loginRequest } from "../api/auth";
+import ErrorMessage from "../components/ErrorMessage";
+import FormInput from "../components/FormInput";
 import { AuthContext } from "../context/AuthContext";
 import "../styles/Login.css";
 
@@ -8,6 +10,7 @@ export default function Login() {
   const { login } = useContext(AuthContext);
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
+  const [showPassword, setShowPassword] = useState(false);
   const [error, setError] = useState("");
 
   const submit = async (e) => {
@@ -28,22 +31,32 @@ export default function Login() {
       <div className="login-box">
         <h1 className="login-title">Login</h1>
 
-        {error && <p className="login-error">{error}</p>}
+        <ErrorMessage message={error} />
 
         <form onSubmit={submit}>
-          <input
+          <FormInput
             type="text"
             className="login-input"
             placeholder="Username"
             onChange={(e) => setUsername(e.target.value)}
           />
 
-          <input
+          <div className="login-password-wrapper">
-            type="password"
+            <FormInput
+              type={showPassword ? "text" : "password"}
               className="login-input"
               placeholder="Password"
               onChange={(e) => setPassword(e.target.value)}
             />
+            <button
+              type="button"
+              className="login-password-toggle"
+              onClick={() => setShowPassword(!showPassword)}
+              aria-label="Toggle password visibility"
+            >
+              {showPassword ? "👀" : "🙈"}
+            </button>
+          </div>
 
           <button type="submit" className="login-button">Login</button>
         </form>

frontend/src/pages/Register.jsx

@@ -2,8 +2,9 @@ import { useContext, useEffect, useState } from "react";
 import { Link, useNavigate } from "react-router-dom";
 import { loginRequest, registerRequest } from "../api/auth";
 import { checkIfUserExists } from "../api/users";
+import ErrorMessage from "../components/ErrorMessage";
+import FormInput from "../components/FormInput";
 import { AuthContext } from "../context/AuthContext";
-
 import "../styles/Register.css";
 
 export default function Register() {
@@ -19,25 +20,25 @@ export default function Register() {
   const [error, setError] = useState("");
   const [success, setSuccess] = useState("");
 
+  useEffect(() => {
+    checkIfUserExistsHandler();
+  }, [username]);
 
-  useEffect(() => { checkIfUserExistsHandler(); }, [username]);
   async function checkIfUserExistsHandler() {
     setUserExists((await checkIfUserExists(username)).data);
   }
 
-  useEffect(() => { setError(userExists ? `Username '${username}' already taken` : ""); }, [userExists]);
+  useEffect(() => {
+    setError(userExists ? `Username '${username}' already taken` : "");
+  }, [userExists]);
 
   useEffect(() => {
-    setPasswordMatches(
+    setPasswordMatches(!password || !confirm || password === confirm);
-      !password ||
-      !confirm ||
-      password === confirm
-    );
   }, [password, confirm]);
 
-  useEffect(() => { setError(passwordMatches ? "" : "Passwords are not matching"); }, [passwordMatches]);
+  useEffect(() => {
-
+    setError(passwordMatches ? "" : "Passwords are not matching");
-
+  }, [passwordMatches]);
 
   const submit = async (e) => {
     e.preventDefault();
@@ -46,51 +47,46 @@ export default function Register() {
 
     try {
       await registerRequest(username, password, name);
-      console.log("Registered user:", username);
       const data = await loginRequest(username, password);
-      console.log(data);
       login(data);
-      setSuccess("Account created! Redirecting the grocery list...");
+      setSuccess("Account created! Redirecting to the grocery list...");
       setTimeout(() => navigate("/"), 2000);
     } catch (err) {
       setError(err.response?.data?.message || "Registration failed");
-      setTimeout(() => {
+      setTimeout(() => setError(""), 1000);
-        setError("");
-      }, 1000);
     }
   };
 
-
   return (
     <div className="register-container">
       <h1>Register</h1>
 
-      {<p className="error-message">{error}</p>}
+      <ErrorMessage message={error} />
-      {success && <p className="success-message">{success}</p>}
+      <ErrorMessage message={success} type="success" />
 
       <form className="register-form" onSubmit={submit}>
-        <input
+        <FormInput
           type="text"
           placeholder="Name"
           onChange={(e) => setName(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="text"
           placeholder="Username"
           onKeyUp={(e) => setUsername(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="password"
           placeholder="Password"
           onChange={(e) => setPassword(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="password"
           placeholder="Confirm Password"
           onChange={(e) => setConfirm(e.target.value)}

frontend/src/styles/AddImageModal.css

@@ -0,0 +1,176 @@
+.add-image-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.add-image-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.add-image-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.add-image-subtitle {
+  margin: 0 0 1.5em 0;
+  color: #666;
+  font-size: 0.95em;
+  text-align: center;
+}
+
+.add-image-subtitle strong {
+  color: #007bff;
+}
+
+.add-image-options {
+  display: flex;
+  flex-direction: column;
+  gap: 1em;
+  margin: 2em 0;
+}
+
+.add-image-option-btn {
+  padding: 1.2em;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  background: white;
+  font-size: 1.1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5em;
+}
+
+.add-image-option-btn:hover {
+  border-color: #007bff;
+  background: #f8f9fa;
+  transform: translateY(-2px);
+  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
+}
+
+.add-image-option-btn.camera {
+  color: #007bff;
+}
+
+.add-image-option-btn.gallery {
+  color: #28a745;
+}
+
+.add-image-preview-container {
+  margin: 1.5em 0;
+  display: flex;
+  justify-content: center;
+}
+
+.add-image-preview {
+  position: relative;
+  width: 250px;
+  height: 250px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.add-image-preview img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.add-image-remove {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(255, 0, 0, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 30px;
+  height: 30px;
+  font-size: 1.5em;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.add-image-remove:hover {
+  background: rgba(255, 0, 0, 1);
+}
+
+.add-image-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 1.5em;
+}
+
+.add-image-cancel,
+.add-image-confirm {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.add-image-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.add-image-cancel:hover {
+  background: #e0e0e0;
+}
+
+.add-image-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.add-image-confirm:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}

frontend/src/styles/ConfirmBuyModal.css

@@ -0,0 +1,158 @@
+.confirm-buy-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.confirm-buy-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 450px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.confirm-buy-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.confirm-buy-item-name {
+  margin: 0 0 1.5em 0;
+  font-size: 1.1em;
+  color: #007bff;
+  font-weight: 600;
+  text-align: center;
+}
+
+.confirm-buy-quantity-section {
+  margin: 2em 0;
+}
+
+.confirm-buy-label {
+  margin: 0 0 1em 0;
+  font-size: 1em;
+  color: #555;
+  text-align: center;
+}
+
+.confirm-buy-counter {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 1em;
+}
+
+.confirm-buy-counter-btn {
+  width: 50px;
+  height: 50px;
+  border: 2px solid #007bff;
+  border-radius: 8px;
+  background: white;
+  color: #007bff;
+  font-size: 1.8em;
+  font-weight: bold;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.confirm-buy-counter-btn:hover:not(:disabled) {
+  background: #007bff;
+  color: white;
+}
+
+.confirm-buy-counter-btn:disabled {
+  border-color: #ccc;
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+.confirm-buy-counter-display {
+  width: 80px;
+  height: 50px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  text-align: center;
+  font-size: 1.5em;
+  font-weight: bold;
+  color: #333;
+  background: #f8f9fa;
+}
+
+.confirm-buy-counter-display:focus {
+  outline: none;
+  border-color: #007bff;
+}
+
+.confirm-buy-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 2em;
+}
+
+.confirm-buy-cancel,
+.confirm-buy-confirm {
+  flex: 1;
+  padding: 0.9em;
+  border: none;
+  border-radius: 8px;
+  font-size: 1em;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.confirm-buy-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.confirm-buy-cancel:hover {
+  background: #e0e0e0;
+}
+
+.confirm-buy-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.confirm-buy-confirm:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}

frontend/src/styles/GroceryList.css

@@ -81,15 +81,99 @@
 }
 
 .glist-li {
-  padding: 0.7em;
+  background: #fff;
-  background: #e9ecef;
+  border: 1px solid #e0e0e0;
-  border-radius: 5px;
+  border-radius: 8px;
-  margin-bottom: 0.6em;
+  margin-bottom: 0.8em;
   cursor: pointer;
+  transition: box-shadow 0.2s, transform 0.2s;
+  overflow: hidden;
 }
 
 .glist-li:hover {
-  background: #dee2e6;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+  transform: translateY(-2px);
+}
+
+.glist-item-layout {
+  display: flex;
+  gap: 1em;
+  padding: 0em;
+  align-items: center;
+}
+
+.glist-item-image {
+  width: 80px;
+  height: 80px;
+  min-width: 80px;
+  background: #f5f5f5;
+  border: 2px solid #e0e0e0;
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 2em;
+  color: #ccc;
+  overflow: hidden;
+  position: relative;
+}
+
+.glist-item-image.has-image {
+  border-color: #007bff;
+  background: #fff;
+}
+
+.glist-item-image img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.glist-item-image.has-image:hover {
+  opacity: 0.8;
+  box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
+}
+
+.glist-item-content {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4em;
+  flex: 1;
+  min-width: 0;
+}
+
+.glist-item-header {
+  display: flex;
+  align-items: baseline;
+  gap: 0.5em;
+  flex-wrap: wrap;
+}
+
+.glist-item-name {
+  font-weight: 600;
+  font-size: 1.1em;
+  color: #333;
+}
+
+.glist-item-quantity {
+  position: absolute;
+  top: 0;
+  right: 0;
+  background: rgba(0, 123, 255, 0.9);
+  color: white;
+  font-weight: 700;
+  font-size: 0.3em;
+  padding: 0.2em 0.4em;
+  border-radius: 0 6px 0 4px;
+  min-width: 20%;
+  text-align: center;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
+}
+
+.glist-item-users {
+  font-size: 0.9em;
+  color: #888;
+  font-style: italic;
 }
 
 /* Sorting dropdown */
@@ -101,6 +185,62 @@
   border-radius: 4px;
 }
 
+/* Image upload */
+.glist-image-upload {
+  margin: 0.5em 0;
+}
+
+.glist-image-label {
+  display: block;
+  padding: 0.6em;
+  background: #f0f0f0;
+  border: 2px dashed #ccc;
+  border-radius: 4px;
+  text-align: center;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.glist-image-label:hover {
+  background: #e8e8e8;
+  border-color: #007bff;
+}
+
+.glist-image-preview {
+  position: relative;
+  margin-top: 0.5em;
+  display: inline-block;
+}
+
+.glist-image-preview img {
+  max-width: 150px;
+  max-height: 150px;
+  border-radius: 8px;
+  border: 2px solid #ddd;
+}
+
+.glist-remove-image {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  background: #ff4444;
+  color: white;
+  border: 2px solid white;
+  font-size: 1.2rem;
+  line-height: 1;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.glist-remove-image:hover {
+  background: #cc0000;
+}
+
 /* Floating Action Button (FAB) */
 .glist-fab {
   position: fixed;

frontend/src/styles/ImageModal.css

@@ -0,0 +1,99 @@
+.image-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.9);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  padding: 2rem;
+  animation: fadeIn 0.2s ease;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+.image-modal-content {
+  position: relative;
+  max-width: 90vw;
+  max-height: 90vh;
+  background: white;
+  border-radius: 12px;
+  padding: 1rem;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease;
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(50px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+
+.image-modal-close {
+  position: absolute;
+  top: -15px;
+  right: -15px;
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  background: #ff4444;
+  color: white;
+  border: 3px solid white;
+  font-size: 1.5rem;
+  line-height: 1;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1001;
+  transition: background 0.2s;
+}
+
+.image-modal-close:hover {
+  background: #cc0000;
+}
+
+.image-modal-img {
+  max-width: 100%;
+  max-height: 70vh;
+  object-fit: contain;
+  display: block;
+  border-radius: 8px;
+}
+
+.image-modal-caption {
+  text-align: center;
+  margin-top: 1rem;
+  font-size: 1.2rem;
+  font-weight: 600;
+  color: #333;
+}
+
+@media (max-width: 768px) {
+  .image-modal-overlay {
+    padding: 1rem;
+  }
+
+  .image-modal-img {
+    max-height: 60vh;
+  }
+
+  .image-modal-caption {
+    font-size: 1rem;
+  }
+}

frontend/src/styles/ImageUploadModal.css

@@ -0,0 +1,203 @@
+.image-upload-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.image-upload-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.image-upload-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+}
+
+.image-upload-subtitle {
+  margin: 0 0 1.5em 0;
+  color: #666;
+  font-size: 0.95em;
+}
+
+.image-upload-content {
+  margin: 1.5em 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 1em;
+}
+
+.image-upload-options {
+  display: flex;
+  flex-direction: column;
+  gap: 1em;
+  width: 100%;
+  margin: 1em 0;
+}
+
+.image-upload-option-btn {
+  padding: 1.2em;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  background: white;
+  font-size: 1.1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5em;
+}
+
+.image-upload-option-btn:hover {
+  border-color: #007bff;
+  background: #f8f9fa;
+  transform: translateY(-2px);
+  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
+}
+
+.image-upload-option-btn.camera {
+  color: #007bff;
+}
+
+.image-upload-option-btn.gallery {
+  color: #28a745;
+}
+
+.image-upload-button {
+  display: inline-block;
+  padding: 0.8em 1.5em;
+  background: #007bff;
+  color: white;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 1em;
+  transition: background 0.2s;
+}
+
+.image-upload-button:hover {
+  background: #0056b3;
+}
+
+.modal-image-preview {
+  position: relative;
+  width: 200px;
+  height: 200px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.modal-image-preview img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.modal-remove-image {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(255, 0, 0, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 30px;
+  height: 30px;
+  font-size: 1.5em;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.modal-remove-image:hover {
+  background: rgba(255, 0, 0, 1);
+}
+
+.image-upload-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 1.5em;
+}
+
+.image-upload-cancel,
+.image-upload-skip,
+.image-upload-confirm {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.image-upload-cancel {
+  background: #dc3545;
+  color: white;
+}
+
+.image-upload-cancel:hover {
+  background: #c82333;
+}
+
+.image-upload-skip {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.image-upload-skip:hover {
+  background: #e0e0e0;
+}
+
+.image-upload-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.image-upload-confirm:hover:not(:disabled) {
+  background: #218838;
+}
+
+.image-upload-confirm:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}

frontend/src/styles/Login.css

@@ -33,6 +33,40 @@
   border: 1px solid #ccc;
 }
 
+.login-password-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 0.5em;
+  margin: 0.4em 0;
+}
+
+.login-password-wrapper .login-input {
+  flex: 1;
+  width: auto;
+  margin: 0;
+}
+
+.login-password-toggle {
+  background: #f0f0f0;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 1.2em;
+  padding: 0.4em;
+  line-height: 1;
+  opacity: 0.8;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 36px;
+}
+
+.login-password-toggle:hover {
+  opacity: 1;
+  background: #e8e8e8;
+}
+
 .login-button {
   width: 100%;
   padding: 0.7em;

frontend/src/styles/SimilarItemModal.css

@@ -0,0 +1,115 @@
+.similar-item-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.similar-item-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.similar-item-modal h2 {
+  margin: 0 0 1em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.similar-item-question {
+  margin: 0 0 0.5em 0;
+  font-size: 1.1em;
+  color: #333;
+  text-align: center;
+}
+
+.similar-item-question strong {
+  color: #007bff;
+}
+
+.similar-item-clarification {
+  margin: 0 0 2em 0;
+  font-size: 0.9em;
+  color: #666;
+  text-align: center;
+  font-style: italic;
+}
+
+.similar-item-actions {
+  display: flex;
+  gap: 0.8em;
+  margin-top: 1.5em;
+}
+
+.similar-item-cancel,
+.similar-item-no,
+.similar-item-yes {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  font-weight: 500;
+}
+
+.similar-item-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.similar-item-cancel:hover {
+  background: #e0e0e0;
+}
+
+.similar-item-no {
+  background: #6c757d;
+  color: white;
+}
+
+.similar-item-no:hover {
+  background: #5a6268;
+}
+
+.similar-item-yes {
+  background: #28a745;
+  color: white;
+}
+
+.similar-item-yes:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}

frontend/src/styles/UserRoleCard.css

@@ -0,0 +1,40 @@
+.user-card {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 1rem;
+  margin: 0.5rem 0;
+  background: #f5f5f5;
+  border-radius: 8px;
+  border: 1px solid #ddd;
+}
+
+.user-info {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.user-username {
+  color: #666;
+  font-size: 0.9rem;
+}
+
+.role-select {
+  padding: 0.5rem;
+  border-radius: 4px;
+  border: 1px solid #ccc;
+  background: white;
+  cursor: pointer;
+  font-size: 0.9rem;
+}
+
+.role-select:hover {
+  border-color: #007bff;
+}
+
+.role-select:focus {
+  outline: none;
+  border-color: #007bff;
+  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
+}

frontend/src/utils/stringSimilarity.js

@@ -0,0 +1,68 @@
+/**
+ * Calculate Levenshtein distance between two strings
+ * @param {string} str1 - First string
+ * @param {string} str2 - Second string
+ * @returns {number} - Edit distance
+ */
+function levenshteinDistance(str1, str2) {
+  const len1 = str1.length;
+  const len2 = str2.length;
+  const matrix = Array(len1 + 1).fill(null).map(() => Array(len2 + 1).fill(0));
+
+  for (let i = 0; i <= len1; i++) matrix[i][0] = i;
+  for (let j = 0; j <= len2; j++) matrix[0][j] = j;
+
+  for (let i = 1; i <= len1; i++) {
+    for (let j = 1; j <= len2; j++) {
+      const cost = str1[i - 1] === str2[j - 1] ? 0 : 1;
+      matrix[i][j] = Math.min(
+        matrix[i - 1][j] + 1,      // deletion
+        matrix[i][j - 1] + 1,      // insertion
+        matrix[i - 1][j - 1] + cost // substitution
+      );
+    }
+  }
+
+  return matrix[len1][len2];
+}
+
+/**
+ * Calculate similarity percentage between two strings (0-100%)
+ * @param {string} str1 - First string
+ * @param {string} str2 - Second string
+ * @returns {number} - Similarity percentage
+ */
+export function calculateSimilarity(str1, str2) {
+  const lower1 = str1.toLowerCase().trim();
+  const lower2 = str2.toLowerCase().trim();
+
+  if (lower1 === lower2) return 100;
+  if (lower1.length === 0 || lower2.length === 0) return 0;
+
+  const distance = levenshteinDistance(lower1, lower2);
+  const maxLength = Math.max(lower1.length, lower2.length);
+  const similarity = ((maxLength - distance) / maxLength) * 100;
+
+  return Math.round(similarity);
+}
+
+/**
+ * Find items with similarity >= threshold
+ * @param {string} inputName - Item name to check
+ * @param {Array} existingItems - Array of existing items with item_name property
+ * @param {number} threshold - Minimum similarity percentage (default 80)
+ * @returns {Array} - Array of similar items sorted by similarity
+ */
+export function findSimilarItems(inputName, existingItems, threshold = 80) {
+  const similar = [];
+
+  for (const item of existingItems) {
+    const similarity = calculateSimilarity(inputName, item.item_name);
+    if (similarity >= threshold && similarity < 100) {
+      similar.push({ ...item, similarity });
+    }
+  }
+
+  // Sort by similarity descending
+  return similar.sort((a, b) => b.similarity - a.similarity);
+}

package-lock.json

@@ -1,9 +1,10 @@
 {
-  "name": "costco-grocery-list",
+  "name": "Costco-Grocery-List",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
+      "name": "Costco-Grocery-List",
       "devDependencies": {
         "cross-env": "^10.1.0",
         "jest": "^30.2.0",
@@ -3745,9 +3746,9 @@
       ]
     },
     "node_modules/qs": {
-      "version": "6.14.0",
+      "version": "6.14.1",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.1.tgz",
-      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
+      "integrity": "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ==",
       "dev": true,
       "dependencies": {
         "side-channel": "^1.1.0"