562 lines
18 KiB
Markdown
562 lines
18 KiB
Markdown
# Product Requirements Document (PRD)
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## Chatbot de Suport Tehnic RAG pentru ROMFAST
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## 1. OVERVIEW ȘI OBIECTIVE
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### 1.1 Problem Statement
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ROMFAST necesită un sistem de suport tehnic 24/7 care poate:
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- Răspunde la întrebări tehnice ale clienților
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- Oferi soluții bazate pe documentația existentă
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- Menține conversații context-aware
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- Funcționa independent de orice suport uman
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- Integrare perfectă cu website-ul existent
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### 1.2 Goals/Objectives
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**Business Goals:**
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- Reducerea costurilor de suport cu 50-70%
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- Îmbunătățirea satisfacției clienților (>4.0/5)
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- Timp de răspuns < 5 secunde
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- Disponibilitate 24/7
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**Technical Goals:**
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- Arhitectură scalabilă și maintainabilă
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- Upgrade de la Flowise + Groq la Claude Agent SDK
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- Implementare RAG (Retrieval-Augmented Generation)
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- Session persistence și context awareness
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### 1.3 Success Metrics
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- **Response accuracy**: > 90% pe întrebări tehnice
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- **First query resolution**: > 75%
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- **User satisfaction**: > 4.0/5 rating
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- **System uptime**: > 99.5%
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- **Response time**: < 5 secunde (RAG + Claude)
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- **Page load time**: < 3 secunde (frontend)
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## 2. USER PERSONAS ȘI USE CASES
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### 2.1 Primary User Personas
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**Persona 1: Client Final**
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- Nume: Ion Popescu
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- Rol: Utilizator final al software-ului ROMFAST
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- Technical skill: Limited
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- Goals: Rezolvare rapidă a problemelor tehnice
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- Frustrations: Așteptarea lungă pentru suport, termeni tehnici complecși
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- Preferred communication: Limbaj simplu, soluții concrete
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**Persona 2: Administrator IT**
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- Nume: Maria Ionescu
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- Rol: IT Administrator la client ROMFAST
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- Technical skill: Advanced
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- Goals: Soluții tehnice detaliate, troubleshooting avansat
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- Frustrations: Răspunsuri generice, lipa detaliilor tehnice
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- Preferred communication: Documentație tehnică, pași detaliați
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**Persona 3: Contabil**
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- Nume: Elena Vasile
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- Rol: Utilizator aplicație contabilitate ROMFAST
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- Technical skill: Basic
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- Goals: Rezolvare rapidă erori de conectare/date
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- Preferred communication: Instrucțiuni step-by-step
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### 2.2 Primary Use Cases
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**UC1: Erori de Conexiune**
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- User întâmpină eroare la conectare
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- caută soluții rapide și clare
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- necesită pași concreți de rezolvare
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**UC2: Întrebări Tehnice Generale**
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- User întreabă despre funcționalități
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- necesită explicații detaliate
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- vrea exemple concrete de utilizare
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**UC3: Problema Specifică Software**
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- User raportează bug/error mesaj specific
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- necesită identificarea cauzei
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- vrea soluție/workaround
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**UC4: Integrare și Setup**
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- Administrator necesită configurare sistem
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- vrea documentație tehnică detaliată
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- necessită best practices și configurații
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### 2.2 Telegram Use Cases
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**TU1: Quick Commands Access**
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- User deschide Telegram bot
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- Accesează rapid meniul principal cu `/menu`
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- Navighează prin categorii predefined
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- Selectează acțiuni rapide fără typing
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**TU2: Session Management**
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- User începe conversație pe website, continuă pe Telegram
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- Utilizează `/clear` pentru reset sesiune
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- Accesează istoric cu `/history`
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- Menține context între platforme
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**TU3: Structured Problem Reporting**
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- User folosește menu pentru a selecta categoria problemei
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- Bot adresează întrebări specifice pentru diagnostic
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- Oferă solutions step-by-step
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- Permite escalare către suport uman dacă needed
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**TU4: On-the-Go Assistance**
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- Mobile user în teren întâmpină problemă
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- Folosește Telegram pentru quick help
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- Primește concise, mobile-friendly responses
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- Generează documentație offline format pentru download
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## 3. FUNCTIONAL REQUIREMENTS
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### 3.1 Core Chatbot Functionality
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**FR1: Question Processing**
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- Accept întrebări în limbaj natural (română/engleză)
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- Parse și understand intent-ul utilizatorului
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- Extract key terms pentru better RAG retrieval
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- Handle typos și spelling errors
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**FR2: RAG Integration**
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- Search în knowledge base pentru relevant content
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- Ranking results după relevance score
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- Include source citations în răspunsuri
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- Handle cases where no relevant info found
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**FR3: Response Generation**
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- Generate contextual responses folosind Claude Agent SDK
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- Include step-by-step solutions pentru probleme tehnice
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- Maintain consistent brand voice (ROMFAST style)
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- Provide alternative solutions dacă primary nu funcționează
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**FR4: Session Management**
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- Maintain conversation context across multiple turns
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- Remember previous questions și answers
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- Reference earlier conversation în current responses
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- Session persistence across browser refresh
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### 3.2 User Interface Requirements
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**FR5: Chat Interface**
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- Clean, professional UI design matching ROMFAST branding
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- Responsive design (mobile & desktop)
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- Real-time typing indicators
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- Message history scrollable
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- Input field with character limit
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**FR6: Accessibility Features**
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- Keyboard navigation support
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- Screen reader compatibility
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- High contrast mode option
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- Font size adjustment
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**FR7: Message Display**
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- Clear distinction între user și bot messages
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- Timestamps pentru fiecare message
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- Source citations displayed clearly
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- Error messages displayed user-friendly
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### 3.3 Integration Requirements
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**FR8: URL Parameter Support**
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- Support `?message=intrebare` parameter
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- Auto-fill input field cu parameter
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- Auto-send message după page load
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- Handle URL encoding/decoding properly
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**FR9: Cross-Origin Communication**
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- API calls către backend LXC container
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- CORS configuration pentru cross-origin requests
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- HTTPS encryption pentru API calls
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- Error handling pentru network issues
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**FR10: Local Storage Management**
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- Store session ID în localStorage
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- Persistent conversation history
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- Auto-cleanup după X days
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- Privacy-compliant data storage
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### 3.3 Telegram Bot Functionality
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**FR11: Command Processing**
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- Handle slash commands (/menu, /clear, /help, /start, /history)
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- Parse và process bot commands cu python-telegram-bot
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- Command descriptions displayed în help menu
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- Context-aware command availability
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**FR12: Interactive Menu System**
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- Hierarchical menu structure cu inline keyboards
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- Category navigation (Conectare, Erori, Configurare, etc.)
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- Quick action buttons pentru common issues
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- Back navigation în menu hierarchy
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- Dynamic menu updates based on context
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**FR13: Session Management (Telegram)**
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- User session tracking prin Telegram user_id
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- Cross-platform session synchronization
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- Session persistence across bot restarts
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- Private session storage pentru confidentiality
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**FR14: Response Formatting pentru Telegram**
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- Markdown formatting pentru rich text responses
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- Code blocks pentru technical instructions
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- Inline URL generation pentru documentation links
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- Message length optimization (Telegram 4096 char limit)
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- Support pentru media attachments (PDF, images)
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**FR15: Error Handling și Recovery (Telegram)**
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- Graceful error handling pentru API failures
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- User-friendly error messages în Telegram
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- Retry mechanisms pentru failed requests
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- Escalation options pentru complex issues
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- Fallback messages când RAG returns no results
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## 4. NON-FUNCTIONAL REQUIREMENTS
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### 4.1 Performance Requirements
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**NFR1: Response Time**
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- API response < 5 secunde (including RAG retrieval)
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- Frontend load time < 3 secunde
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- UI interaction response < 200ms
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- Real-time typing indicators < 100ms delay
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**NFR2: Scalability**
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- Support concurrent 100+ users
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- Handle 1000+ questions per day
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- Backend auto-scaling cu Docker
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- Database optimization pentru fast retrieval
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**NFR3: Reliability**
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- System uptime > 99.5%
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- Graceful degradation pentru partial failures
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- Automatic error recovery
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- Backup și recovery procedures
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### 4.2 Security Requirements
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**NFR4: Data Privacy**
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- No personal data storage beyond session
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- Encrypted API communications
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- Rate limiting pentru abuse prevention
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- Input validation pentru XSS prevention
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**NFR5: Authentication**
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- No user authentication required (anonymous sessions)
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- Session ID generation secure enough
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- Protection against session hijacking
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- CSRF protection pentru API calls
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### 4.3 Maintainability
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**NFR6: Code Quality**
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- Clean, documented code
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- Separation of concerns
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- Unit tests pentru critical components
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- CI/CD pipeline pentru deployments
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**NFR7: Monitoring și Debugging**
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- Comprehensive logging
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- Performance metrics collection
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- Error tracking și alerting
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- User interaction analytics
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## 5. TECHNICAL ARCHITECTURE
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### 5.1 Frontend Requirements
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**TR1: Technology Stack**
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- HTML5 semantic markup
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- ES6+ JavaScript (vanilla, no frameworks)
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- CSS3 cu modern layout (Grid/Flexbox)
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- Fetch API pentru backend communication
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**TR2: Component Architecture**
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- Modular JavaScript structure
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- Event-driven architecture
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- Component-based UI elements
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- Plugin-ready architecture pentru future extensions
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### 5.2 Backend Requirements
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**TR3: API Layer**
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- FastAPI RESTful endpoints
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- JSON request/response format
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- HTTP status codes standard
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- OpenAPI documentation
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**TR4: AI/ML Integration**
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- Claude Agent SDK integration
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- RAG pipeline cu Chroma vector DB
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- Embedding models pentru text processing
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- Context management pentru conversations
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**TR5: Data Layer**
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- ChromaDB pentru vector storage
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- In-memory session store
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- File-based knowledge base storage
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- Backup procedures pentru data persistence
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### 5.3 Infrastructure Requirements
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**TR6: Deployment Architecture**
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- Docker containerization
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- Proxmox LXC deployment
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- Static IP configuration
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- SSL certificate management
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**TR7: Network Requirements**
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- Public IP exposure pentru API
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- Firewall configuration
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- DDoS protection setup
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- CDN integration caching (opțional)
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### 5.4 Telegram Integration Architecture**
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**TR8: Telegram Bot Requirements**
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- **Bot Framework**: python-telegram-bot library
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- **Bot Commands**: Structured commands cu slash (/menu, /clear, /help)
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- **Menu System**: Interactive inline keyboards pentru navigation
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- **Session Management**: Per-user session persistence
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- **Message Types**: Support text, commands, și callback queries
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**TR9: Claude Agent SDK Integration cu Telegram**
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- **Message Processing**: Claude responses adapted pentru Telegram format
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- **Tool Integration**: MCP servers accessible din Telegram context
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- **Session Continuity**: Same session across website și Telegram
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- **Context Preservation**: Conversation history maintained platform-agostic
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**TR10: Backend Communication**
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- **Shared Service**: Common backend service pentru website și Telegram
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- **Session Synchronization**: Sync sessions între platforms
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- **Response Formatting**: Platform-specific response formatting
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- **Error Handling**: Graceful degradation pentru Telegram limitations
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**TR11: Telegram-Specific Features**
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- **Command Handlers**: /start, /help, /menu, /clear, /history
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- **Interactive Menus**: Category navigation, quick actions
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- **Callback Queries**: Menu selections, confirmations
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- **Status Messages**: Typing indicators, processing states
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## 6. USER EXPERIENCE REQUIREMENTS
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### 6.1 Interaction Design
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**UX1: Conversation Flow**
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- Natural conversatională flow
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- Proactive suggestions pentru follow-up
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- Clear confirmation messages
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- graceful handling pentru misunderstood questions
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**UX2: Error Management**
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- Friendly error messages
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- Alternative suggestions când nu înțeleg
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- Option to rephrase questions
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- Human hand-off option (future)
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**UX3: Visual Design**
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- ROMFAST brand alignment (colors, fonts)
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- Professional appearance
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- Intuitive UI elements
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- Consistent spacing și typography
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### 6.2 Telegram User Experience
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**UX6: Telegram Bot Interface**
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- Intuitive command menu structure
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- Clear menu labels și descriptions
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- Consistent button design și placement
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- Responsive layout pentru mobile screens
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**UX7: Telegram Commands Design**
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- **/start**: Welcome message și quick tutorial
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- **/menu**: Interactive menu cu main categories
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- **/clear**: Clear current session și start fresh
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- **/help**: List all available commands și usage
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- **/history**: Show conversation history summary
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**UX8: Telegram Navigation Patterns**
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- Hierarchical menu flow cu back buttons
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- Quick return to main menu option
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- Context-sensitive menu items
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- Visual feedback pentru button clicks
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**UX9: Telegram Response Structure**
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- Short, mobile-friendly responses
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- Bulleted lists pentru step-by-step instructions
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- Code blocks formatted properly
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- Emojis în moderation în brand consistency
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### 6.4 Accessibility și Usability
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**UX5: Mobile Experience**
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- Touch-friendly interface
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- Optimized pentru smartphones
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- Vertical layout preference
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- Voice input support (future)
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**UX6: Localization**
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- Limbavă română primary
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- English as secondary
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- Date/times local format
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- Currency formatting (dacă relevant)
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## 7. CONSTRAINTS ȘI ASSUMPTIONS
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### 7.1 Technical Constraints
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**C1: Hosting Environment**
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- Frontend: Shared hosting (no server-side access)
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- Backend: LXC Docker container limits
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- No direct database access from frontend
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- Static file serving constraints
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**C2: Budget Constraints**
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- Claire Max subscription cost limits
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- LXC resource limits (CPU/RAM)
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- Third-party service dependencies
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- Maintenance cost considerations
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### 7.2 Business Constraints
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**C3: Timeline**
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- Maximum 5 days pentru implementation
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- Parallel development possible
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- Phased roll-out approach
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- Minimal disruption la existing services
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**C4: Compliance**
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- GDPR compliance pentru user data
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- No sensitive data storage
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- Data retention policies
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- User consent requirements
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### 7.3 Assumptions
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**A1: User Behavior**
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- Users comfortable cu chat interfaces
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- Basic computer literacy
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- Access la modern browsers
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- Stable internet connection
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**A2: Technical Environment**
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- Modern browser support (last 2 versions)
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- JavaScript enabled
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- HTTPS support
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- Mobile browser compatibility
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- Telegram app access (mobile și desktop)
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- Stable internet connection pentru API calls
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## 8. SUCCESS CRITERIA ȘI LAUNCH REQUIREMENTS
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### 8.1 MVP Definition
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**Minimum Viable Product includes:**
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- Basic chat interface with RAG responses
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- Session persistence
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- URL parameter support
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- Mobile responsive design
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- Basic error handling
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### 8.2 Launch Criteria
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**Technical readiness:**
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- All functional requirements implemented
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- Security testing completed
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- Performance benchmarks met
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- Backup procedures documented
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**Business readiness:**
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- Knowledge base populated cu relevant content
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- Support team trained pe system
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- User documentation prepared
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- Communication plan ready
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- Telegram bot published și functional
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- Cross-platform session testing completed
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### 8.3 Post-Launch Requirements
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**PL1: Monitoring și Analytics**
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- User interaction tracking
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- Response quality metrics
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- System performance monitoring
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- Error rate tracking
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**PL2: Iteration Plan**
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- Weekly performance reviews
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- Monthly content updates
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- Quarterly feature enhancements
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- Annual architecture review
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## 9. RISK ASSESSMENT ȘI MITIGATION
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### 9.1 Technical Risks
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**Risk 1: Claude API Limits**
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- Impact: Service degradation
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- Probability: Medium
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- Mitigation: Local fallbacks, graceful degradation
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**Risk 2: Cross-Origin Issues**
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- Impact: Frontend-backend communication failure
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- Probability: High
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- Mitigation: CORS testing, fallback mechanisms
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**Risk 3: Knowledge Base Incomplet**
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- Impact: Poor response quality
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- Probability: Medium
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- Mitigation: Content gaps analysis, gradual population
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### 9.2 Business Risks
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**Risk 4: User Adoption Low**
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- Impact: Investment not justified
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- Probability: Medium
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- Mitigation: User training, promotional activities
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**Risk 5: Performance Issues**
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- Impact: Poor user experience
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- Probability: Medium
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- Mitigation: Performance testing, optimization
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## 10. FUTURE ROADMAP (Post-Launch)
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### 10.1 Phase 1 (1-3 months)
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- **Telegram Bot Launch**: Complete Telegram integration
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- **Advanced Commands**: /ticket, /escalate, /feedback
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- **Media Support**: File upload/download capabilities
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- **Analytics Dashboard**: Admin interface pentru insights
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- **Knowledge Base Admin**: easier content management
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### 10.2 Phase 2 (3-6 months)
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- **Multi-platform Sync**: Seamless session sync website ↔ Telegram
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- **Voice Input Support**: Dictation features pentru mobile
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- **Integration APIs**: Connect cu CRM/ticket systems
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- **Advanced Personalization**: User profiles și preferences
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- **Telegram Channels**: Broadcast announcements și updates
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### 10.3 Phase 3 (6-12 months)
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- **Video Tutorials**: Embedded video content în responses
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- **Community Q&A**: Social features pentru peer support
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- **Analytics Dashboard**: Advanced tracking și insights
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- **Integration APIs**: Connect cu CRM/ticket systems
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### 10.4 Long-term Vision
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- **Mobile App**: Native iOS/Android applications
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- **Voice Assistant**: Phone bot integration
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- **AI Agent Tools**: Diagnostic și troubleshooting automation
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- **Predictive Support**: Proactive issue identification
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---
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## ACCEPTANCE CRITERIA
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### Functional Acceptance
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- [ ] Chatbot answers 90% of technical questions accurately based on knowledge base
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- [ ] System maintains context across conversation turns
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- [ ] URL parameter auto-fills and auto-sends messages
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- [ ] Sessions persist across browser refreshes
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- [ ] Mobile responsive design works on all major devices
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- [ ] Error handling provides user-friendly messages
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### Technical Acceptance
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- [ ] API response time < 5 seconds including RAG
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- [ ] Frontend loads in < 3 seconds
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- [ ] System handles 100+ concurrent users
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- [ ] CORS communication works properly
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- [ ] SSL encryption implemented for API calls
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- [ ] Session persistence works reliably
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### Business Acceptance
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- [ ] User satisfaction score > 4.0/5
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- [ ] Support cost reduction measurable
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- [ ] System uptime > 99.5%
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- [ ] Knowledge base populated with essential documentation
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- [ ] Support team trained on system operation
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---
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*Document Version: 1.1*
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*Created: 24 Octombrie 2025*
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*Last Updated: 24 Octombrie 2025*
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*Status: Ready for Implementation*
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*Changes: Added Telegram Bot Integration Section*
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