Add issue/PR templates and correct AGPL-3.0 licensing details

.github/skills/webapp-testing/SKILL.md

@@ -23,7 +23,7 @@ Use this skill when you need to:
 
 ## Prerequisites
 
-- Node.js 18+ installed (20+ recommended)
+- Node.js 20.9+ installed (required by Next.js 16)
 - BitSleuth website running locally on port 3000
 - Playwright will be installed automatically if not present
 
@@ -250,7 +250,7 @@ When testing the BitSleuth website, verify:
 
 ## Limitations
 
-- Requires Node.js 18+ environment
+- Requires Node.js 20.9+ environment
 - Cannot test native mobile apps (BitSleuth is web-only)
 - May have issues with complex authentication flows (if implemented)
 - Next.js App Router may require waiting for hydration to complete

AGENTS.md

@@ -16,7 +16,7 @@
 - **Framework:** Next.js 16.0.10 (App Router)
 - **Language:** TypeScript 5.9.3 (strict mode enabled)
 - **Runtime:** React 19.2.0
-- **Node.js:** 18+ (20+ recommended)
+- **Node.js:** 20.9+ (required by Next.js 16)
 
 ### UI & Styling
 - **CSS Framework:** Tailwind CSS 3.4.18

CONTRIBUTING.md

@@ -24,7 +24,7 @@ When creating new documentation (guides, specifications, strategies, etc.), alwa
 ## 🚀 Getting Started
 
 ### Prerequisites
-- **Node.js**: 18+ (20+ recommended)
+- **Node.js**: 20.9+ (required by Next.js 16)
 - **npm**: Latest version
 - **Git**: For version control
 

README.md

@@ -2,10 +2,17 @@
 
 > **Bitcoin Wallet Analysis & Privacy Tools**
 
+[![License: AGPL-3.0](https://img.shields.io/badge/License-AGPL_3.0-blue.svg)](./LICENSE)
+![Next.js](https://img.shields.io/badge/Next.js-16.1.1-black?logo=next.js)
+![React](https://img.shields.io/badge/React-19.2.3-149eca?logo=react)
+![TypeScript](https://img.shields.io/badge/TypeScript-5.9.3-3178c6?logo=typescript)
+![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)
+
 BitSleuth is a comprehensive Next.js 16.1.1 website that serves as the primary marketing and educational learning hub for Bitcoin analysis tools. The platform includes product landing pages for a Bitcoin wallet analyzer and Bitcoin wallet app, as well as an extensive educational glossary, SEO optimization, and privacy-compliant analytics.
 
+![BitSleuth](public/1200x630.png)
+
 - **🌐 Production:** [https://www.bitsleuth.ai](https://www.bitsleuth.ai)
-- **🧑‍💻 Development:** [https://website-dev--bitsleuth.us-central1.hosted.app](https://website-dev--bitsleuth.us-central1.hosted.app)
 
 ## ✨ Key Features
 
@@ -57,7 +64,7 @@ npm run ci  # Runs lint + typecheck + test + build
 ## 🚀 Development Workflow
 
 ### Prerequisites
-- **Node.js**: 18+ (20+ recommended)
+- **Node.js**: 20.9+ (required by Next.js 16)
 - **npm**: Latest version (11.7.0 configured via `packageManager`)
 - **Git**: For version control
 

docs/PRD.md

@@ -83,7 +83,7 @@
 - **Firebase:** Hosting platform and potential future integration for user management
 
 **Dependencies:**
-- Node.js 18+ (20+ recommended)
+- Node.js 20.9+ (required by Next.js 16)
 - Google Analytics Measurement ID for tracking
 - Firebase App Hosting for deployment
 

docs/PROJECT_SUMMARY.md

@@ -49,7 +49,7 @@ BitSleuth is a comprehensive Next.js 16 website serving as the primary marketing
 - **Next.js:** 16.0.10 (App Router)
 - **React:** 19.2.0
 - **TypeScript:** 5.9.3
-- **Node.js:** 18+ (20+ recommended)
+- **Node.js:** 20.9+ (required by Next.js 16)
 
 ### Styling & UI
 - **Tailwind CSS:** 3.4.18 (stable v3)
@@ -467,7 +467,7 @@ All Radix UI primitives updated to latest versions:
 ### Development Workflow
 
 #### Prerequisites
-- Node.js 18+ (20+ recommended)
+- Node.js 20.9+ (required by Next.js 16)
 - npm (latest version)
 
 #### Local Development

package.json

@@ -9,6 +9,9 @@
   },
   "private": true,
   "packageManager": "npm@11.7.0",
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "dev": "next dev --turbopack -p 3000",
     "build": "next build --webpack",