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Chat AI — Structured Data Format (SSE)

When the AI presents entities to the guest in chat, it streams JSON-LD objects from our API as SSE events. The frontend renders cards as they arrive using @type to pick the component.

Why This Approach

• No custom format: standard API Platform JSON-LD responses — same shape the frontend already handles
• Progressive rendering: cards appear one by one as the AI streams them
• Scalable: any entity from our API works. New entity types or fields are picked up automatically.
• Conversation storage: structured data is stored as-is. Old conversations keep the original data as a snapshot.

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UC: Booking Details — Personalised Recommendations

Domain: Smart Features Status: Draft

Description: When the guest opens a booking details screen, the frontend triggers a recommendation request to the AI service. The AI fetches guest data and booking history from MyMate API, enriches it with external data sources (weather, local events, etc.), and streams back personalised recommendations for the remaining stay.

Conversation Example:

Guest opens booking details for their Grand Plaza stay (3 nights left).

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<?php

namespace App\Doctrine;

use Doctrine\ORM\Query\AST\ASTException;
use Doctrine\ORM\Query\AST\Functions\FunctionNode;
use Doctrine\ORM\Query\AST\Subselect;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\QueryException;
use Doctrine\ORM\Query\SqlWalker;

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<?php
declare(strict_types=1);

namespace App\Entity;

use ApiPlatform\Core\Annotation\ApiFilter;
use ApiPlatform\Core\Annotation\ApiResource;
use ApiPlatform\Core\Bridge\Doctrine\Orm\Filter\SearchFilter;
use App\Entity\Classes\Group;
use App\Entity\Traits\HasId;

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<?php
//...
class Dci
{  
    /**
     * @Groups("dcis:read", "dcis:write", "medicaments:write")
     * @ORM\ManyToMany(targetEntity=Medicament::class, inversedBy="dcis", cascade={"persist"})
     *
    */
    private $dci;

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<?php

namespace App;

use Illuminate\Foundation\Auth\User as Authenticatable;

/**
 * Class User
 * @package App
 */

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Requirement

• typeahead.js
• Bloodhound.js
• Handlebars.js