sequenceDiagram
    participant ClientCode as Specific Chatbot Logic
    participant BaseChatbotService

    ClientCode->>BaseChatbotService: processMessage(..., session, content, ...)
    BaseChatbotService->>BaseChatbotService: Check if session object exists
    alt session is null (new conversation)
        BaseChatbotService->>BaseChatbotService: initNewSession(...)
    end
    BaseChatbotService->>BaseChatbotService: Get session.status
    alt session.status is "paused"
        BaseChatbotService-->>ClientCode: Return immediately (message ignored)
    else session.status is not "paused" (e.g., "opened", "awaitingInput")
        BaseChatbotService->>BaseChatbotService: Proceed with normal message processing (e.g., check keywords, interact with bot logic)
        BaseChatbotService-->>ClientCode: Return (processing complete / potential response)
    end

classDiagram
    class BaseChatbotService~BotType, SettingsType~ {
        #processMessage(instance, remoteJid, bot, settings, session, content, pushName, msg): Promise~void~
    }
    class N8nService {
        % Method where message formatting (e.g., .trim()) was updated %
        -_parseMessageContent(message: string): string
        % Method handling incoming N8N webhooks, session logic updated for paused state %
        +handleWebhook(payload: any): void
    }
    N8nService --|> BaseChatbotService

    class BaseChatbotController~BotType, BotData~ {
        % Method handling incoming messages, logic for skipping already closed sessions updated %
        #_onMessageReceived(event: any, session: Session, ...): void
    }
    class EvolutionBotController {
        % Method signature updated to include 'msg' parameter %
        #processMessage(instance, remoteJid, bot, session, settings, content: string, pushName?: string, msg?: any): void
    }
    EvolutionBotController --|> BaseChatbotController

    class EvolutionBotService {
        % Method signature updated to include 'msg' parameter, called by EvolutionBotController %
        #process(instance, remoteJid, bot, session, settings, content: string, pushName?: string, msg?: any): void
    }
    EvolutionBotService --|> BaseChatbotService

    class ChatbotController {
        % Method for assigning bot to session, return behavior changed for specific conditions %
        #_ensureBotAssignedToSession(integrationId: string, remoteJid: string, botId?: string, session?: Session, ...): Session | null
    }