Update packages to latest versions and update Memory Bank documentation

cline_docs/activeContext.md

@@ -1,12 +1,12 @@
 # Active Context - Current Work
 
 ## What We're Working On Now
-**Headshot Replacement Task**: ✅ FULLY COMPLETED - Successfully replaced Mark's headshot on about page:
-- Replaced old portrait headshot with new 2025 landscape headshot
-- Updated CSS layout to accommodate aspect ratio change (2:3 → 3:2)
-- Renamed files for consistent naming convention
-- Preserved original as backup
-- Updated image dimensions and alt text
+**Package Update Task**: ✅ FULLY COMPLETED - Successfully updated all web packages to latest versions:
+- Updated 22 packages including Next.js 15→16, React 19.0→19.2, Tailwind CSS 3→4
+- Fixed Tailwind CSS v4 breaking changes (added @tailwindcss/postcss plugin)
+- Updated PostCSS configuration for Tailwind v4 compatibility
+- Verified local build success
+- Rebuilt Docker container with updated packages
 
 ## Recent Headshot Update Details
 - **File Management**:

cline_docs/progress.md

@@ -66,6 +66,13 @@
 - **Potential Consolidation**: Could refactor to use single email utility
 
 ## Recent Accomplishments
+- ✅ **Package Updates (Latest)**: Successfully updated all web packages to latest versions
+  - Updated 22 packages: Next.js 15.0.4→16.0.10, React 19.0.0→19.2.3, Tailwind CSS 3.4.16→4.1.18
+  - Fixed Tailwind CSS v4 breaking changes by installing @tailwindcss/postcss plugin
+  - Updated PostCSS configuration to use '@tailwindcss/postcss' instead of 'tailwindcss'
+  - Verified local build success with all updated packages
+  - Rebuilt Docker container successfully (14 minutes build time)
+  - All major dependencies now on latest stable versions
 - ✅ **Headshot Replacement**: Successfully updated Mark's headshot on about page
   - Replaced old portrait (3648x5472) with new 2025 landscape headshot (2000x1333)
   - Updated CSS layout from `aspect-[2/3]` to `aspect-[3/2]` for proper display

cline_docs/techContext.md

@@ -3,14 +3,15 @@
 ## Core Technologies
 
 ### Frontend Stack
-- **Next.js**: 15.0.4 (React framework with App Router)
-- **React**: 19.0.0 (UI library)
-- **TypeScript**: Type-safe JavaScript
-- **Tailwind CSS**: Utility-first CSS framework
-- **Framer Motion**: Animation library
-- **HeadlessUI**: Unstyled UI components
-- **Lucide React**: Icon library
-- **React Icons**: Additional icon library
+- **Next.js**: 16.0.10 (React framework with App Router)
+- **React**: 19.2.3 (UI library)
+- **TypeScript**: 5.9.3 (Type-safe JavaScript)
+- **Tailwind CSS**: 4.1.18 (Utility-first CSS framework)
+- **@tailwindcss/postcss**: 4.1.18 (PostCSS plugin for Tailwind v4)
+- **Framer Motion**: 12.23.26 (Animation library)
+- **HeadlessUI**: 2.2.9 (Unstyled UI components)
+- **Lucide React**: 0.561.0 (Icon library)
+- **React Icons**: 5.5.0 (Additional icon library)
 
 ### Backend Stack
 - **Next.js API Routes**: Server-side API endpoints

next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+import "./.next/types/routes.d.ts";
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

package.json

@@ -10,29 +10,30 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@emotion/is-prop-valid": "^1.3.1",
-    "@headlessui/react": "^2.2.0",
-    "@types/nodemailer": "^6.4.17",
-    "@upstash/redis": "^1.34.3",
-    "framer-motion": "11.13.3",
-    "lucide-react": "^0.468.0",
-    "next": "15.0.4",
-    "nodemailer": "^6.9.16",
-    "react": "19.0.0",
-    "react-dom": "19.0.0",
-    "react-icons": "^5.4.0"
+    "@emotion/is-prop-valid": "^1.4.0",
+    "@headlessui/react": "^2.2.9",
+    "@types/nodemailer": "^7.0.4",
+    "@upstash/redis": "^1.35.8",
+    "framer-motion": "12.23.26",
+    "lucide-react": "^0.561.0",
+    "next": "16.0.10",
+    "nodemailer": "^7.0.11",
+    "react": "19.2.3",
+    "react-dom": "19.2.3",
+    "react-icons": "^5.5.0"
   },
   "devDependencies": {
-    "@types/node": "^22.10.1",
-    "@types/react": "^19.0.1",
-    "@types/react-dom": "^19.0.2",
-    "@typescript-eslint/parser": "^8.18.0",
-    "autoprefixer": "^10.4.20",
-    "eslint": "^9.16.0",
-    "eslint-config-next": "15.0.4",
-    "eslint-plugin-import": "^2.31.0",
-    "postcss": "^8.4.49",
-    "tailwindcss": "^3.4.16",
-    "typescript": "^5.7.2"
+    "@tailwindcss/postcss": "^4.1.18",
+    "@types/node": "^25.0.2",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "@typescript-eslint/parser": "^8.49.0",
+    "autoprefixer": "^10.4.23",
+    "eslint": "^9.39.2",
+    "eslint-config-next": "16.0.10",
+    "eslint-plugin-import": "^2.32.0",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.18",
+    "typescript": "^5.9.3"
   }
 }

postcss.config.js

@@ -1,6 +1,6 @@
 module.exports = {
   plugins: {
-    tailwindcss: {},
+    '@tailwindcss/postcss': {},
     autoprefixer: {},
   },
 }

tsconfig.json

@@ -1,7 +1,11 @@
 {
   "compilerOptions": {
     "target": "ES2017",
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
     "allowJs": true,
     "skipLibCheck": true,
     "strict": true,
@@ -11,7 +15,7 @@
     "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "jsx": "preserve",
+    "jsx": "react-jsx",
     "incremental": true,
     "plugins": [
       {
@@ -20,9 +24,19 @@
     ],
     "baseUrl": ".",
     "paths": {
-      "@/*": ["./src/*"]
+      "@/*": [
+        "./src/*"
+      ]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
-  "exclude": ["node_modules"]
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx",
+    ".next/types/**/*.ts",
+    ".next/dev/types/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
 }