updated deps, added claude.md file

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Development Commands
+
+**Core Development:**
+- `pnpm dev` - Start development server (runs custom server.ts with schedulers)
+- `pnpm dev:next-only` - Start Next.js only with Turbopack (no schedulers)
+- `pnpm build` - Build production application
+- `pnpm start` - Run production server
+
+**Code Quality:**
+- `pnpm lint` - Run ESLint
+- `pnpm lint:fix` - Fix ESLint issues automatically
+- `pnpm format` - Format code with Prettier
+- `pnpm format:check` - Check formatting without fixing
+
+**Database:**
+- `pnpm prisma:generate` - Generate Prisma client
+- `pnpm prisma:migrate` - Run database migrations
+- `pnpm prisma:push` - Push schema changes to database
+- `pnpm prisma:push:force` - Force reset database and push schema
+- `pnpm prisma:seed` - Seed database with initial data
+- `pnpm prisma:studio` - Open Prisma Studio database viewer
+
+**Testing:**
+- `pnpm test` - Run tests once
+- `pnpm test:watch` - Run tests in watch mode
+- `pnpm test:coverage` - Run tests with coverage report
+
+**Markdown:**
+- `pnpm lint:md` - Lint Markdown files
+- `pnpm lint:md:fix` - Fix Markdown linting issues
+
+## Architecture Overview
+
+**LiveDash-Node** is a real-time analytics dashboard for monitoring user sessions with AI-powered analysis and processing pipeline.
+
+### Tech Stack
+- **Frontend:** Next.js 15 + React 19 + TailwindCSS 4
+- **Backend:** Next.js API Routes + Custom Node.js server
+- **Database:** PostgreSQL with Prisma ORM
+- **Authentication:** NextAuth.js
+- **AI Processing:** OpenAI API integration
+- **Visualization:** D3.js, React Leaflet, Recharts
+- **Scheduling:** Node-cron for background processing
+
+### Key Architecture Components
+
+**1. Multi-Stage Processing Pipeline**
+The system processes user sessions through distinct stages tracked in `SessionProcessingStatus`:
+- `CSV_IMPORT` - Import raw CSV data into `SessionImport`
+- `TRANSCRIPT_FETCH` - Fetch transcript content from URLs
+- `SESSION_CREATION` - Create normalized `Session` and `Message` records
+- `AI_ANALYSIS` - AI processing for sentiment, categorization, summaries
+- `QUESTION_EXTRACTION` - Extract questions from conversations
+
+**2. Database Architecture**
+- **Multi-tenant design** with `Company` as root entity
+- **Dual storage pattern**: Raw CSV data in `SessionImport`, processed data in `Session`
+- **1-to-1 relationship** between `SessionImport` and `Session` via `importId`
+- **Message parsing** into individual `Message` records with order tracking
+- **AI cost tracking** via `AIProcessingRequest` with detailed token usage
+- **Flexible AI model management** through `AIModel`, `AIModelPricing`, and `CompanyAIModel`
+
+**3. Custom Server Architecture**
+- `server.ts` - Custom Next.js server with configurable scheduler initialization
+- Three main schedulers: CSV import, import processing, and session processing
+- Environment-based configuration via `lib/env.ts`
+
+**4. Key Processing Libraries**
+- `lib/scheduler.ts` - CSV import scheduling
+- `lib/importProcessor.ts` - Raw data to Session conversion
+- `lib/processingScheduler.ts` - AI analysis pipeline
+- `lib/transcriptFetcher.ts` - External transcript fetching
+- `lib/transcriptParser.ts` - Message parsing from transcripts
+
+### Development Environment
+
+**Environment Configuration:**
+Environment variables are managed through `lib/env.ts` with .env.local file support:
+- Database: PostgreSQL via `DATABASE_URL` and `DATABASE_URL_DIRECT`
+- Authentication: `NEXTAUTH_SECRET`, `NEXTAUTH_URL`
+- AI Processing: `OPENAI_API_KEY`
+- Schedulers: `SCHEDULER_ENABLED`, various interval configurations
+
+**Key Files to Understand:**
+- `prisma/schema.prisma` - Complete database schema with enums and relationships
+- `server.ts` - Custom server entry point
+- `lib/env.ts` - Environment variable management and validation
+- `app/` - Next.js App Router structure
+
+**Testing:**
+- Uses Vitest for unit testing
+- Playwright for E2E testing
+- Test files in `tests/` directory
+
+### Important Notes
+
+**Scheduler System:**
+- Schedulers are optional and controlled by `SCHEDULER_ENABLED` environment variable
+- Use `pnpm dev:next-only` to run without schedulers for pure frontend development
+- Three separate schedulers handle different pipeline stages
+
+**Database Migrations:**
+- Always run `pnpm prisma:generate` after schema changes
+- Use `pnpm prisma:migrate` for production-ready migrations
+- Use `pnpm prisma:push` for development schema changes
+
+**AI Processing:**
+- All AI requests are tracked for cost analysis
+- Support for multiple AI models per company
+- Time-based pricing management for accurate cost calculation