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Meister-Eder/openspec/changes/define-project-scope/specs/chat-interface/spec.md
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## ADDED Requirements
### Requirement: Web-based chat interface
The system SHALL provide a web-based chat interface where parents can interact with the AI agent in real-time.
#### Scenario: Parent accesses chat
- **WHEN** a parent navigates to the chat interface URL
- **THEN** they SHALL see a chat window ready for conversation
#### Scenario: Real-time messaging
- **WHEN** a parent sends a message in the chat
- **THEN** the agent's response SHALL appear without requiring a page refresh
### Requirement: Chat interface is mobile-responsive
The system SHALL provide a chat interface that works well on mobile devices and desktop browsers.
#### Scenario: Mobile device access
- **WHEN** a parent accesses the chat on a mobile device
- **THEN** the interface SHALL be usable without horizontal scrolling or zooming
#### Scenario: Desktop access
- **WHEN** a parent accesses the chat on a desktop browser
- **THEN** the interface SHALL utilize the available screen space appropriately
### Requirement: Chat displays conversation history
The system SHALL display the conversation history within the current session.
#### Scenario: Message history visible
- **WHEN** a parent is in an active chat session
- **THEN** they SHALL see all previous messages in the current conversation
#### Scenario: Clear message attribution
- **WHEN** viewing the chat history
- **THEN** parent messages and agent messages SHALL be visually distinguishable
### Requirement: Chat session management
The system SHALL manage chat sessions to maintain conversation context.
#### Scenario: Session persistence
- **WHEN** a parent refreshes the page during a chat session
- **THEN** the conversation history and state SHALL be preserved
#### Scenario: Session timeout notification
- **WHEN** a chat session has been inactive for an extended period
- **THEN** the system SHALL notify the parent before ending the session
### Requirement: Chat interface provides typing indicators
The system SHALL indicate when the agent is processing a response.
#### Scenario: Agent processing
- **WHEN** the agent is generating a response
- **THEN** the chat interface SHALL display a typing or processing indicator