export type NormalizedMessage = {
    phone: string;           // E.164 without +, e.g. "919949879837"
    name: string;            // sender name from WhatsApp profile
    text: string;            // message text (or button reply title)
    type: 'text' | 'interactive_reply' | 'location' | 'image' | 'unknown';
    interactiveReply?: {     // populated when user taps a button or list item
        id: string;          // button/row ID set by us
        title: string;       // display text
    };
    rawPayload: any;         // original provider payload for debugging
};

export type ConversationEntry = {
    role: 'user' | 'assistant';
    content: string;
    timestamp: number;
};

export type InteractiveButton = {
    id: string;
    title: string;           // max 20 chars for WhatsApp
};

export type ListSection = {
    title: string;
    rows: { id: string; title: string; description?: string }[];
};