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JavaScript React .cursorrules prompt file

You are an expert in modern web development, specializing in JavaScript, TypeScript, React, Tailwind CSS, and state management libraries like Zustand. You have extensive experience with tools and libraries such as LangChain, Drizzle ORM, Radix UI components, and other dependencies listed in the project's package.json.

Your expertise includes selecting the most appropriate tools to solve problems efficiently, avoiding unnecessary complexity and duplication.

When providing assistance:

Break down suggestions into clear, actionable steps and recommend small tests after each stage to ensure progress is on the right track.
Provide code examples when they enhance understanding, especially for complex logic.
Use conceptual explanations for high-level architecture or design patterns when code isn't necessary.
Before suggesting code, conduct a deep-dive review of the existing codebase, summarizing your insights between <CODE_REVIEW> tags. After the review, outline a detailed plan for the proposed changes within <PLANNING> tags. Pay close attention to existing variable names and string literals to maintain consistency. When introducing new conventions, enclose them in double colons and uppercase letters, like ::NEW_COMPONENT::.

Always:

Ask for clarification if any requirements are unclear or ambiguous.
Discuss trade-offs and options when multiple implementation paths are available.
Be vigilant about security, highlighting potential vulnerabilities and conducting additional reviews within <SECURITY\_REVIEW> tags when necessary.
Consider performance implications, efficient error handling, and edge cases to ensure the code is robust and optimized.
Address operational concerns, including hosting, management, monitoring, and maintenance.
Adapt your suggestions based on feedback, ensuring they align with the project's evolving needs.
Your goal is to provide solutions that balance immediate problem-solving with long-term flexibility and scalability.

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JavaScript React .cursorrules prompt file

Hiroto Shioi

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Next.js React TypeScript .cursorrules prompt file

Universal Paperclips Simulation Game - Technical Specification

1. Project Overview

Universal Paperclips is a business simulation game where players act as consultants to a hypothetical paperclip company. The game involves providing advice to the CEO, simulating business cycles, and observing the impact of decisions on various Key Performance Indicators (KPIs).

2. Tech Stack

Frontend: Next.js 13+, React, TypeScript
Styling: Tailwind CSS
Data Visualization: Tremor
Backend: Next.js API Routes with Edge Runtime
AI/ML: LangChain, LangGraph
State Management: React Context API
Persistence: Local Storage

3. Project Structure

project-root/├── .next/├── src/│   ├── app/│   │   ├── api/│   │   │   ├── newGame/│   │   │   │   └── route.ts│   │   │   ├── simulate/│   │   │   │   └── route.ts│   │   │   └── generateScenario/│   │   │       └── route.ts│   │   ├── fonts/│   │   ├── globals.css│   │   ├── layout.tsx│   │   └── page.tsx│   ├── components/│   │   ├── ui/│   │   │   ├── GameHeader.tsx│   │   │   └── NewGameButton.tsx│   │   ├── game/│   │   │   ├── ChatPanel.tsx│   │   │   ├── MessageBubble.tsx│   │   │   ├── BusinessCycleHeader.tsx│   │   │   └── SimulationAccordion.tsx│   │   └── dashboard/│   │       ├── Dashboard.tsx│   │       ├── CompanyOverview.tsx│   │       └── KPIChart.tsx│   ├── lib/│   │   ├── agents/│   │   │   ├── agentManager.ts│   │   │   ├── decisionMaking.ts│   │   │   ├── ceoAgent.ts│   │   │   ├── ctoAgent.ts│   │   │   ├── cfoAgent.ts│   │   │   ├── cmoAgent.ts│   │   │   └── cooAgent.ts│   │   ├── simulation/│   │   │   ├── businessEngine.ts│   │   │   └── kpiCalculator.ts│   │   └── utils/│   │       └── localStorage.ts│   ├── types/│   │   └── game.d.ts│   └── styles/│       └── tailwind.css├── public/│   └── assets/├── .eslintrc.json├── .gitignore├── next.config.mjs├── package.json├── postcss.config.mjs├── README.md├── tailwind.config.ts└── tsconfig.json

4. Key Components and Their Responsibilities

4.1 Frontend Components

4.1.1 Game Header (`src/components/ui/GameHeader.tsx`)

Displays game title "Universal Paperclips - Business Advice Simulation"
Implements accordion functionality to reveal business overview

4.1.2 Chat Panel (`src/components/game/ChatPanel.tsx`)

Manages the left side of the split view (full width on small screens)
Implements scrollable chat interface with message bubbles
Handles user input for advice
Displays AI agent interactions and system messages

4.1.3 Dashboard (`src/components/dashboard/Dashboard.tsx`)

Manages the right side of the split view (below Chat Panel on small screens)
Displays Company Overview component
Renders 3x2 grid of KPI charts

4.1.4 KPI Chart (`src/components/dashboard/KPIChart.tsx`)

Implements time series chart for individual KPIs
Utilizes Tremor for data visualization
Updates in real-time as game progresses

4.1.5 Business Cycle Header (`src/components/game/BusinessCycleHeader.tsx`)

Displays current business cycle number
Implements accordion functionality for collapsing CEO and C-suite conversations

4.1.6 Company Overview (`src/components/dashboard/CompanyOverview.tsx`)

Displays company name
Shows current business cycle number
Renders share price chart

4.1.7 KPI Charts (`src/components/dashboard/KPICharts.tsx`)

Renders a 3x2 grid of time series charts
Each chart represents one of the following KPIs:

Revenue
Profit Margin
CAC/CLV Ratio
Production Efficiency Index
Market Share
Innovation Index

X-axis represents business cycle number
Updates in real-time as the game progresses

4.2 Backend Components

4.2.1 Agent Manager (`src/lib/agents/agentManager.ts`)

Orchestrates interactions between AI agents
Manages the flow of the game cycle

4.2.2 Business Engine (`src/lib/simulation/businessEngine.ts`)

Implements core game logic
Processes user advice and agent actions
Triggers KPI updates

4.2.3 KPI Calculator (`src/lib/simulation/kpiCalculator.ts`)

Contains functions for calculating each KPI
Processes simulation results to update KPIs

4.2.4 Scenario Generator (`src/lib/simulation/scenarioGenerator.ts`)

Generates new business challenges or inflection points for each cycle
Ensures variety and progression in game difficulty

4.2.5 Inter-Agent Communication Handler (`src/lib/agents/communicationHandler.ts`)

Manages communication protocols between AI agents
Facilitates the flow of information from CEO to C-suite team members

5. Game Flow and Logic

Game Initialization:

Existing game loads from local storage if available OR New game initializes with default settings
System presents business scenario

Game Cycle:
a. System presents current business challenge (inflection point)
b. CEO (AI agent) asks user for advice
c. User provides advice via chat input
d. CEO considers advice and delegates to C-suite team
e. C-suite team members (AI agents) propose actions
f. System simulates outcomes based on actions and inflection point
g. KPIs are updated and displayed on the dashboard
h. Cycle repeats with a new inflection point

6. AI Agent Implementation

Utilize LangChain and LangGraph for agent logic
Implement separate agent files for CEO, CTO, CFO, CMO, and COO
Agents should consider user advice as a weighted factor in decision-making
Ensure transparency of agent actions in the chat interface

7. Data Persistence

Use local storage to save and load game state
Persist both chat panel JSON and dashboard panel state
Implement functions in src/lib/utils/localStorage.ts for state management

8. API Routes

/api/newGame: Initializes a new game state
/api/simulate: Runs the business cycle simulation, simulation is streamed to the client
/api/generateScenario: Generates new business challenges or inflection points

9. Responsive Design

Implement a split view for larger screens (Chat Panel left, Dashboard right)
Stack Chat Panel above Dashboard for smaller screens
Use Tailwind CSS for responsive styling

10. Performance Considerations

Utilize React Server Components where possible
Implement code splitting and lazy loading for improved load times
Use edge runtime for API routes involving AI processing

11. Detailed UI/UX Specifications

11.1 Game Header

Text: "Universal Paperclips - Business Advice Simulation"
Clickable accordion to reveal business overview

11.2 Chat Panel

Modern messaging platform look
Scrollable with max height
Each message includes sender name and avatar
Implement the following message types:
a. Business Cycle Header: Horizontal line with centered "Business Cycle <N>"
b. System Message: Presents current business challenge (AI-generated)
c. CEO Message: Asks user for advice
d. User Input: Text input for user's advice
e. Business Simulation Header: Horizontal line with centered "Business Simulation <N>"
- Clickable to accordion collapse CEO and C-suite conversation
  f. CEO Response: Considers advice and delegates to C-suite
  g. C-suite Messages: Individual team members propose actions
  h. System Outcome: Simulates and presents the outcome

11.3 Dashboard Panel

Company Overview:
Company name
Current cycle number
Share price chart
KPI Display:
3x2 grid of time series charts
X-axis represents business cycle number
Charts for: Revenue, Profit Margin, CAC/CLV Ratio, Production Efficiency Index, Market Share, Innovation Index

11.4 Game Controls

"New Game" button

12. Backend Logic

12.1 LangChain's LangGraph Implementation

Define roles and responsibilities for CEO, CTO, CFO, CMO, and COO agents
Implement inter-agent communication protocols
Design scenario generation and progression logic

12.2 AI Agent Decision Making

Incorporate user advice as a weighted factor in the decision-making process
Ensure transparency of agent reasoning and actions

12.3 Business Simulation Engine

Create functions for calculating each KPI
Implement an AI agent for structured output KPI updates
Feed structured output programmatically into KPI functions to update the dashboard

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