Function add_message

server/services/assistant_database.py:247–281

Add a message to a conversation.

(project_dir: Path, conversation_id: int, role: str, content: str)

# ============================================================================

def add_message(project_dir: Path, conversation_id: int, role: str, content: str) -> Optional[dict]:
    """Add a message to a conversation."""
    session = get_session(project_dir)
    try:
        conversation = session.query(Conversation).filter(Conversation.id == conversation_id).first()
        if not conversation:
            return None

        message = ConversationMessage(
            conversation_id=conversation_id,
            role=role,
            content=content,
        )
        session.add(message)

        # Update conversation's updated_at timestamp
        conversation.updated_at = _utc_now()

        # Auto-generate title from first user message if not set
        if not conversation.title and role == "user":
            # Take first 50 chars of first user message as title
            conversation.title = content[:50] + ("..." if len(content) > 50 else "")

        session.commit()
        session.refresh(message)

        logger.debug(f"Added {role} message to conversation {conversation_id}")
        return {
            "id": message.id,
            "role": message.role,
            "content": message.content,
            "timestamp": message.timestamp.isoformat() if message.timestamp else None,
        }
    finally:
        session.close()


def get_messages(project_dir: Path, conversation_id: int) -> list[dict]: