feat: Sprint Management Dashboard (Next.js 15)

dashboard/.eslintrc.json

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+{
+  "extends": ["next/core-web-vitals", "next/typescript"]
+}

dashboard/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+.yarn/install-state.gz
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env
+.env.*
+.env*.local
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts

dashboard/README.md

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+# Sprint Management Dashboard
+
+Real-time sprint tracking, team velocity analysis, and task distribution for [UbiquityOS](https://github.com/ubiquity-os) repositories.
+
+## Features
+
+- **Sprint Board** — Kanban view with real-time task tracking
+- **Velocity Metrics** — Historical sprint velocity and burn-down charts
+- **Team Distribution** — Task allocation by assignee and label
+- **OAuth Authentication** — GitHub OAuth with httpOnly session cookies
+- **Middleware Guards** — Protected routes via Next.js edge middleware
+
+## Getting Started
+
+### Prerequisites
+
+- Node.js ≥ 18
+- GitHub OAuth App credentials
+
+### Environment Variables
+
+```bash
+GITHUB_CLIENT_ID=your_github_oauth_client_id
+GITHUB_CLIENT_SECRET=your_github_oauth_client_secret
+```
+
+### Development
+
+```bash
+npm install
+npm run dev
+```
+
+Open [http://localhost:3000](http://localhost:3000) to see the dashboard.
+
+## Tech Stack
+
+- **Framework**: Next.js 15 (App Router)
+- **UI**: Tailwind CSS + Radix UI primitives
+- **Animations**: Framer Motion
+- **Auth**: GitHub OAuth with CSRF state validation
+- **Deployment**: Vercel-ready

dashboard/next.config.mjs

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+/** @type {import('next').NextConfig} */
+const nextConfig = {};
+
+export default nextConfig;