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Web UI — Spec-Driven Presentation Maker

Layer 4 Web UI for Spec-Driven Presentation Maker. A React-based chat interface for creating presentations through conversational AI — design your spec, then let the agent build the slides.

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Tech Stack

• Next.js 16 with Turbopack (static export)
• React 19 / TypeScript 5
• Tailwind CSS v4 / shadcn/ui / Radix UI
• react-oidc-context — Cognito OIDC authentication
• react-markdown + remark-gfm — Markdown rendering
• react-dropzone — File upload
• sonner — Toast notifications
• PWA — Service Worker + Web App Manifest

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Prerequisites

• Node.js 20+
• npm

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Quick Start

cd web-ui
npm ci
npm run dev     # Starts dev server with Turbopack

Open http://localhost:3000.

Note: Authentication is required by default. See the Authentication section to configure or disable it.

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Experimental: Local Mode (Kiro ACP backend)

⚠️ Experimental. APIs, flags, and behavior may change or break without notice.

Run the Web UI entirely on your machine, backed by Kiro CLI via ACP (Agent Client Protocol) instead of the cloud-deployed Agent and Runtime. No AWS deployment needed. Useful for trying the UI without setting up Layer 3/4.

Prerequisites

• kiro-cli installed and on PATH — see Kiro CLI install guide

Start

cd web-ui
npm ci
npm run dev:local

Open http://localhost:3000 (Next.js picks the next free port if 3000 is taken).

How it works

Setting NEXT_PUBLIC_MODE=local enables the Next.js API Routes under src/app/api/ and spawns kiro-cli acp --agent sdpm-spec per active deck. The agent definitions live under mcp-local/.kiro/agents/ and share the MCP toolset from mcp-local/server_acp.py.

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Authentication

Authentication uses OIDC via Cognito User Pool. Configuration is loaded from public/aws-exports.json at runtime, with optional environment variable overrides.

Setup

1. Copy the example config:

cp public/aws-exports.example.json public/aws-exports.json

2. Fill in your Cognito values:

{
  "authority": "https://cognito-idp.<REGION>.amazonaws.com/<USER_POOL_ID>",
  "client_id": "<CLIENT_ID>",
  "redirect_uri": "http://localhost:3000",
  "post_logout_redirect_uri": "http://localhost:3000",
  "response_type": "code",
  "scope": "openid profile email",
  "automaticSilentRenew": true,
  "agentRuntimeArn": "arn:aws:bedrock-agentcore:<REGION>:<ACCOUNT_ID>:runtime/<NAME>",
  "apiBaseUrl": "https://<API_GW_ID>.execute-api.<REGION>.amazonaws.com/prod/",
  "awsRegion": "<REGION>"
}

Environment Variable Override

Environment variables (NEXT_PUBLIC_COGNITO_*) take priority over aws-exports.json:

Variable	Description
NEXT_PUBLIC_COGNITO_REGION	AWS region
NEXT_PUBLIC_COGNITO_USER_POOL_ID	Cognito User Pool ID
NEXT_PUBLIC_COGNITO_CLIENT_ID	Cognito App Client ID
NEXT_PUBLIC_COGNITO_REDIRECT_URI	OAuth redirect URI
NEXT_PUBLIC_COGNITO_POST_LOGOUT_REDIRECT_URI	Post-logout redirect URI
NEXT_PUBLIC_COGNITO_RESPONSE_TYPE	OAuth response type (default: code)
NEXT_PUBLIC_COGNITO_SCOPE	OAuth scopes (default: email openid profile)
NEXT_PUBLIC_COGNITO_AUTOMATIC_SILENT_RENEW	Auto token renewal (true/false)

Disabling Auth for Local Development

Authentication is enforced through a Next.js Route Group. All protected pages live under src/app/(authenticated)/, which wraps children with AuthProvider in its layout.tsx:

src/app/
├── layout.tsx                    # RootLayout — no auth
└── (authenticated)/
    ├── layout.tsx                # AuthProvider wrapper
    ├── page.tsx                  # Redirects to /decks
    └── decks/page.tsx            # Main page

To bypass auth during local development, remove the AuthProvider wrapper in src/app/(authenticated)/layout.tsx:

Before:

import { AuthProvider } from "@/components/auth/AuthProvider"

export default function AuthenticatedLayout({ children }: { children: React.ReactNode }) {
  return <AuthProvider>{children}</AuthProvider>
}

After:

export default function AuthenticatedLayout({ children }: { children: React.ReactNode }) {
  return <>{children}</>
}

⚠️ This change is for local development only. Do not deploy to production.

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Project Structure

web-ui/
├── src/
│   ├── app/
│   │   ├── layout.tsx                  # RootLayout (Geist font, Toaster, PWA)
│   │   ├── globals.css
│   │   └── (authenticated)/
│   │       ├── layout.tsx              # AuthProvider wrapper
│   │       ├── page.tsx                # Root → /decks redirect
│   │       └── decks/page.tsx          # Main deck workspace
│   ├── components/
│   │   ├── ui/                         # shadcn/ui primitives
│   │   ├── auth/                       # AuthProvider, AutoSignin
│   │   ├── chat/                       # ChatPanel, ChatMessage, ToolCard, FileDropZone, etc.
│   │   ├── deck/                       # DeckCard, SlideCarousel, OutlineView, DeckListView, etc.
│   │   └── AppShell.tsx                # Header + layout shell
│   ├── hooks/                          # useAuth, useDeckList, useWorkspace, useSwipe, etc.
│   ├── lib/                            # auth.ts (Cognito config), utils.ts
│   ├── services/                       # deckService, uploadService, agentCoreService, parsers
│   └── types/
├── public/
│   ├── aws-exports.example.json        # Auth config template
│   ├── manifest.json                   # PWA manifest
│   └── sw.js                           # Service Worker
├── package.json
├── next.config.ts                      # Static export, build → build/
├── tsconfig.json
├── components.json                     # shadcn/ui config
└── postcss.config.mjs

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Key Components

Chat (components/chat/)

Conversational interface for interacting with the agent. Includes message rendering with Markdown support, tool execution cards, file drag-and-drop upload, mention overlays, and slide tag references.

Deck (components/deck/)

Presentation management — deck cards with thumbnails, slide carousel viewer, outline view, spec step navigation, search results grid, and deck CRUD actions.

Auth (components/auth/)

OIDC authentication flow — AuthProvider wraps the Cognito OIDC context, AutoSignin handles automatic redirect-based sign-in.

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Documentation

Document	Description
Getting Started	Full setup guide for all layers
Architecture	4-layer design, data flow, auth model
Recommended Deploy	Recommended path for AWS deployments (CloudShell or local)

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License

MIT-0