Business Requirements
Problem Statement
Enterprises need to integrate AI-powered conversations into their applications to enhance productivity, provide intelligent assistance, and improve user engagement. The BiChat module provides a scalable, multi-tenant solution for managing AI-powered dialogues with full conversation history and context preservation.
Use Cases
1. Employee AI Assistant
Actor: Employee within organization
Flow:
- User initiates a new dialogue with an AI assistant
- User sends a question or request (initial message)
- System sends message to LLM with context
- System receives and displays AI response
- User continues conversation (follow-up questions)
- System maintains full conversation history
- User can reference previous messages in same conversation
Acceptance Criteria:
- Conversations scoped to individual users
- Full message history preserved
- Context maintained across turns
- Response streaming for better UX
- Conversation labeling for organization
2. Customer Support Bot
Actor: Customer support team, System
Flow:
- Customer initiates dialogue with support bot
- Bot receives initial customer inquiry
- System classifies intent using LLM
- Bot provides initial response or escalation
- Customer can continue dialogue with bot
- Support team can view conversation history
- Support team can add notes and context
Acceptance Criteria:
- Multi-turn conversation support
- Response customization per tenant
- Conversation analytics
- Hand-off to human support capability
- Conversation export
3. Content Generation
Actor: Content team
Flow:
- Team member starts dialogue with content assistant
- Requests content generation (blog post, email, etc.)
- LLM provides initial draft
- User iterates with follow-up requests
- System maintains all iterations in conversation
- User exports final content
Acceptance Criteria:
- Long conversation support (100+ messages)
- Iteration history preservation
- Content export capability
- Custom system prompts per team
- Version tracking
4. Training & Onboarding
Actor: New employees
Flow:
- Employee uses AI assistant for onboarding questions
- Questions about company processes, tools, policies
- AI provides contextual answers
- History available for reference
- Manager can review dialogue for training gaps
Acceptance Criteria:
- Knowledge base integration
- Conversation analytics for training
- Multi-conversation support
- Search across conversations
- Feedback mechanism
Business Rules
Dialogue Rules
- Ownership:
- Each dialogue belongs to a single user
- Dialogues cannot be transferred between users
- Only dialogue creator can view/edit
- Lifecycle:
- Dialogues start with user’s initial message
- Dialogues can be archived/deleted
- Deleted dialogues soft-deleted (recoverable)
- Content:
- Minimum 1 message (user’s initial message)
- Supports unlimited messages
- Messages ordered by timestamp
- Immutable message history
Message Rules
- Types:
- User messages: From authenticated user
- Assistant messages: From LLM provider
- System messages: Internal use
- Properties:
- Each message has content and role
- Timestamps automatically set
- Complete conversation history maintained
- No message editing (immutable)
- Processing:
- User messages must be non-empty
- Sanitization applied to prevent injection
- Character limits enforced (configurable)
- Profanity filtering (optional)
LLM Integration Rules
- Provider:
- OpenAI as primary provider
- Configurable model selection
- Fallback to alternative providers
- Configuration:
- Per-tenant LLM settings (optional)
- System prompts customizable
- Temperature and other parameters
- Token limits respected
- Error Handling:
- Graceful degradation on API failures
- User-friendly error messages
- Automatic retry logic
- Fallback responses
Tenant Isolation
- Data Access:
- Users only see their own dialogues
- Dialogues never visible across tenants
- API enforces tenant isolation
- Database queries include tenant_id filter
- Configuration:
- Each tenant can customize settings
- Separate API keys per tenant
- Independent conversation limits
Key Metrics & KPIs
User Engagement
- Daily active users using BiChat
- Average conversations per user
- Average messages per conversation
- User retention (repeat usage)
Content Metrics
- Total conversations created
- Total messages exchanged
- Average response time (LLM latency)
- User satisfaction (feedback rating)
System Health
- API call success rate
- Average response latency
- Error rates (4xx, 5xx)
- LLM provider availability
Business Metrics
- Cost per conversation (API usage)
- User satisfaction scores
- Support tickets resolved via BiChat
- Content quality ratings
Success Criteria
- Usability:
- Conversation starts in < 1 second
- Message send/receive in < 5 seconds
- Smooth streaming response display
- Mobile-friendly interface
- Reliability:
- 99% uptime for dialogue service
- No message loss
- Automatic recovery from failures
- Data consistency maintained
- Performance:
- < 100ms database query time
- Streaming response latency < 2 seconds
- Support for 100+ message conversations
- Scales to millions of conversations
- Security:
- Zero cross-tenant data leakage
- Secure credential management
- Input validation and sanitization
- Audit trail for all conversations
- Scalability:
- Supports unlimited conversations per user
- Handles concurrent conversations
- Efficient message storage
- Query optimization for history
Constraints
- LLM Integration:
- Dependent on external API availability
- API rate limits apply
- Token usage costs
- Data Storage:
- Long conversations may impact performance
- Message history requires significant storage
- Archival strategy needed for old conversations
- Functionality:
- Single turn-around required before response
- No guaranteed response time (API dependent)
- Limited to text-based content initially
Integration with Main Platform
BiChat integrates with:
- Core Module: User authentication and tenant context
- Database: Same PostgreSQL instance
- Frontend: HTMX components for chat UI
- Services: Accessible via HTTP API
Future Enhancements
- Multi-modal input (images, files)
- Conversation sharing between users
- Advanced search across conversations
- Conversation templates
- Fine-tuned models per tenant
- Conversation branching (explore alternatives)
- Analytics dashboard