Build Laravel 13 ticket assistant with Docker, Livewire admin, and helpdesk scraper command

This commit is contained in:
SitiWeb
2026-04-29 13:11:39 +02:00
parent 141a1a3c9b
commit 3c4572bb12
58 changed files with 9377 additions and 455 deletions

36
app/Casts/VectorCast.php Normal file
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<?php
namespace App\Casts;
use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
class VectorCast implements CastsAttributes
{
public function get($model, string $key, $value, array $attributes): ?array
{
if ($value === null) {
return null;
}
if (is_array($value)) {
return $value;
}
$trimmed = trim((string) $value, '[]');
if ($trimmed === '') {
return [];
}
return array_map(static fn ($item) => (float) $item, explode(',', $trimmed));
}
public function set($model, string $key, $value, array $attributes): ?string
{
if ($value === null) {
return null;
}
$vector = array_map(static fn ($item) => (float) $item, $value);
return '['.implode(',', $vector).']';
}
}

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<?php
namespace App\Console\Commands;
use App\Services\HelpdeskImportService;
use Illuminate\Console\Command;
class ImportHelpdeskArticlesCommand extends Command
{
protected $signature = 'helpdesk:import
{--base-url=https://www.internettoday.nl/helpdesk : Base helpdesk URL}
{--limit= : Max number of article URLs to process}
{--dry-run : Only detect and parse, do not write to database}';
protected $description = 'Scrape InternetToday helpdesk categories/subcategories/articles and import into articles table.';
public function handle(HelpdeskImportService $service): int
{
$limitOption = $this->option('limit');
$limit = is_numeric($limitOption) ? (int) $limitOption : null;
$result = $service->import(
(string) $this->option('base-url'),
(bool) $this->option('dry-run'),
$limit
);
$this->info('Helpdesk import finished.');
$this->table(
['Metric', 'Value'],
[
['Categories', $result['categories']],
['Sections', $result['sections']],
['Article URLs', $result['article_urls']],
['Imported', $result['imported']],
['Updated', $result['updated']],
['Skipped', $result['skipped']],
['Dry Run', $result['dry_run'] ? 'yes' : 'no'],
]
);
return self::SUCCESS;
}
}

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<?php
namespace App\DTOs;
use App\Models\Article;
class ArticleCandidateDTO
{
public function __construct(
public readonly int $articleId,
public readonly string $title,
public readonly string $content,
public readonly float $distance
) {}
public static function fromArticle(Article $article, float $distance): self
{
return new self(
articleId: $article->id,
title: $article->title,
content: $article->content,
distance: $distance
);
}
public function toArray(): array
{
return [
'article_id' => $this->articleId,
'title' => $this->title,
'content' => $this->content,
'distance' => $this->distance,
];
}
}

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<?php
namespace App\DTOs;
class ClassificationResultDTO
{
public function __construct(
public readonly ?int $articleId,
public readonly float $confidence,
public readonly string $explanation,
public readonly array $rawResponse = []
) {}
public function toArray(): array
{
return [
'article_id' => $this->articleId,
'confidence' => $this->confidence,
'explanation' => $this->explanation,
'raw_response' => $this->rawResponse,
];
}
}

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<?php
namespace App\Exceptions;
use RuntimeException;
class OllamaUnavailableException extends RuntimeException
{
}

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<?php
namespace App\Http\Controllers\Api;
use App\Http\Controllers\Controller;
use App\Http\Requests\StoreArticleRequest;
use App\Models\Article;
use Illuminate\Http\JsonResponse;
class ArticleController extends Controller
{
public function index(): JsonResponse
{
return response()->json([
'data' => Article::query()->latest()->paginate(20),
]);
}
public function store(StoreArticleRequest $request): JsonResponse
{
$article = Article::query()->create($request->validated());
return response()->json([
'message' => 'Article created',
'data' => $article,
], 201);
}
}

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<?php
namespace App\Http\Controllers\Api;
use App\Exceptions\OllamaUnavailableException;
use App\Http\Controllers\Controller;
use App\Http\Requests\StoreTicketRequest;
use App\Models\Ticket;
use App\Services\EmbeddingService;
use App\Services\SemanticSearchService;
use Illuminate\Http\JsonResponse;
class TicketController extends Controller
{
public function __construct(
private readonly EmbeddingService $embeddingService,
private readonly SemanticSearchService $semanticSearchService,
) {}
public function store(StoreTicketRequest $request): JsonResponse
{
try {
$embedding = $this->embeddingService->embed($request->string('message')->toString());
} catch (OllamaUnavailableException $e) {
return response()->json([
'message' => 'Ollama is unavailable. Could not generate embedding.',
], 503);
}
$ticket = Ticket::query()->create([
'message' => $request->string('message')->toString(),
'embedding' => $embedding,
]);
try {
$result = $this->semanticSearchService->findBestArticle($ticket);
} catch (OllamaUnavailableException $e) {
return response()->json([
'message' => 'Ticket saved, but Ollama ranking is unavailable.',
'ticket_id' => $ticket->id,
], 202);
}
return response()->json([
'ticket_id' => $ticket->id,
'best_article' => $result['best_article'],
'confidence' => $result['confidence'],
'explanation' => $result['explanation'],
'top_3_candidates' => $result['top_3_candidates'],
], 201);
}
}

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<?php
namespace App\Http\Requests;
use Illuminate\Foundation\Http\FormRequest;
class StoreArticleRequest extends FormRequest
{
public function authorize(): bool
{
return true;
}
public function rules(): array
{
return [
'title' => ['required', 'string', 'max:255'],
'content' => ['required', 'string', 'max:12000'],
];
}
}

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<?php
namespace App\Http\Requests;
use Illuminate\Foundation\Http\FormRequest;
class StoreTicketRequest extends FormRequest
{
public function authorize(): bool
{
return true;
}
public function rules(): array
{
return [
'message' => ['required', 'string', 'min:5', 'max:5000'],
];
}
}

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<?php
namespace App\Jobs;
use App\Models\Article;
use App\Services\EmbeddingService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
class GenerateArticleEmbeddingJob implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
public function __construct(public readonly int $articleId)
{
}
public function handle(EmbeddingService $embeddingService): void
{
$article = Article::find($this->articleId);
if ($article === null) {
return;
}
$article->embedding = $embeddingService->embed($article->title."\n".$article->content);
$article->save();
}
}

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<?php
namespace App\Livewire\Admin;
use App\Services\AdminArticleService;
use Livewire\Component;
use Livewire\WithPagination;
class ArticleManager extends Component
{
use WithPagination;
public string $title = '';
public string $content = '';
public function save(AdminArticleService $service): void
{
$this->validate([
'title' => ['required', 'string', 'max:255'],
'content' => ['required', 'string', 'max:12000'],
]);
$service->create($this->title, $this->content);
$this->reset(['title', 'content']);
$this->dispatch('article-saved');
session()->flash('success', 'Article opgeslagen en embedding wordt automatisch verwerkt.');
}
public function render(AdminArticleService $service)
{
return view('livewire.admin.article-manager', [
'articles' => $service->paginate(10),
]);
}
}

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<?php
namespace App\Livewire\Admin;
use App\Services\AdminDashboardService;
use Livewire\Component;
class DashboardOverview extends Component
{
public array $stats = [];
public function mount(AdminDashboardService $service): void
{
$this->stats = $service->stats();
}
public function render(AdminDashboardService $service)
{
return view('livewire.admin.dashboard-overview', [
'recentTickets' => $service->recentTickets(),
'recentDecisions' => $service->recentDecisions(),
]);
}
}

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<?php
namespace App\Livewire\Admin;
use App\Services\AdminTicketService;
use Livewire\Component;
use Livewire\WithPagination;
class TicketMonitor extends Component
{
use WithPagination;
public function render(AdminTicketService $service)
{
return view('livewire.admin.ticket-monitor', [
'tickets' => $service->paginateWithDecision(10),
]);
}
}

27
app/Models/AIDecision.php Normal file
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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
class AIDecision extends Model
{
protected $table = 'ai_decisions';
protected $fillable = ['ticket_id', 'article_id', 'confidence', 'explanation', 'raw_response'];
protected $casts = [
'raw_response' => 'array',
];
public function ticket(): BelongsTo
{
return $this->belongsTo(Ticket::class);
}
public function article(): BelongsTo
{
return $this->belongsTo(Article::class);
}
}

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app/Models/Article.php Normal file
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<?php
namespace App\Models;
use App\Casts\VectorCast;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
class Article extends Model
{
protected $fillable = ['title', 'content', 'embedding'];
protected $casts = [
'embedding' => VectorCast::class,
];
public function decisions(): HasMany
{
return $this->hasMany(AIDecision::class);
}
}

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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class EmbeddingCache extends Model
{
protected $table = 'embedding_cache';
protected $fillable = ['text_hash', 'text', 'embedding'];
protected $casts = [
'embedding' => 'array',
];
}

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app/Models/Feedback.php Normal file
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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Feedback extends Model
{
protected $table = 'feedback';
protected $fillable = ['ticket_id', 'article_id', 'is_correct', 'notes'];
}

26
app/Models/Ticket.php Normal file
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<?php
namespace App\Models;
use App\Casts\VectorCast;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
class Ticket extends Model
{
protected $fillable = ['message', 'embedding'];
protected $casts = [
'embedding' => VectorCast::class,
];
public function decisions(): HasMany
{
return $this->hasMany(AIDecision::class);
}
public function feedback(): HasMany
{
return $this->hasMany(Feedback::class);
}
}

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<?php
namespace App\Observers;
use App\Jobs\GenerateArticleEmbeddingJob;
use App\Models\Article;
use App\Services\EmbeddingService;
class ArticleObserver
{
public function saved(Article $article): void
{
if (! $article->wasChanged(['title', 'content']) && $article->embedding !== null) {
return;
}
if ((bool) config('services.embedding.queue_embeddings')) {
GenerateArticleEmbeddingJob::dispatch($article->id);
return;
}
$service = app(EmbeddingService::class);
$article->embedding = $service->embed($article->title."\n".$article->content);
$article->saveQuietly();
}
}

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<?php
namespace App\Repositories;
use App\DTOs\ArticleCandidateDTO;
use App\Models\Article;
use App\Repositories\Contracts\ArticleRepositoryInterface;
use Illuminate\Support\Facades\DB;
class ArticleRepository implements ArticleRepositoryInterface
{
public function findSimilarByEmbedding(array $embedding, int $limit = 5): array
{
$vector = '['.implode(',', array_map(static fn ($value) => (float) $value, $embedding)).']';
$rows = Article::query()
->select('articles.*')
->selectRaw('embedding <=> ?::vector as distance', [$vector])
->whereNotNull('embedding')
->orderByRaw('embedding <=> ?::vector', [$vector])
->limit($limit)
->get();
return $rows
->map(fn (Article $article) => ArticleCandidateDTO::fromArticle($article, (float) $article->distance))
->all();
}
}

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<?php
namespace App\Repositories\Contracts;
use App\DTOs\ArticleCandidateDTO;
interface ArticleRepositoryInterface
{
/** @return array<ArticleCandidateDTO> */
public function findSimilarByEmbedding(array $embedding, int $limit = 5): array;
}

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<?php
namespace App\Services;
use App\DTOs\ArticleCandidateDTO;
use App\DTOs\ClassificationResultDTO;
use App\Exceptions\OllamaUnavailableException;
use Illuminate\Support\Facades\Http;
use Throwable;
class AIClassifierService
{
/** @param array<ArticleCandidateDTO> $candidates */
public function rank(string $ticketMessage, array $candidates): ClassificationResultDTO
{
if ($candidates === []) {
return new ClassificationResultDTO(null, 0.0, 'No article candidates available');
}
$articlesBlock = collect($candidates)
->map(fn (ArticleCandidateDTO $item, int $idx) => sprintf(
"%d. article_id=%d\nTitle: %s\nContent: %s",
$idx + 1,
$item->articleId,
$item->title,
$item->content
))
->implode("\n\n");
$prompt = <<<PROMPT
You are a support assistant.
User question:
"{$ticketMessage}"
Articles:
{$articlesBlock}
Task:
- Select the best matching article
- Return:
- article_id
- confidence (0-1)
- short explanation
Respond in JSON ONLY.
PROMPT;
$baseUrl = rtrim((string) config('services.ollama.base_url'), '/');
try {
$response = Http::timeout((int) config('services.ollama.timeout', 30))
->post($baseUrl.'/api/generate', [
'model' => config('services.ollama.chat_model', 'llama3'),
'prompt' => $prompt,
'stream' => false,
])
->throw()
->json();
} catch (Throwable $e) {
throw new OllamaUnavailableException('Ollama generate endpoint is unavailable', 0, $e);
}
$text = (string) ($response['response'] ?? '{}');
$decoded = json_decode($text, true);
if (!is_array($decoded)) {
return new ClassificationResultDTO(
articleId: $candidates[0]->articleId,
confidence: 0.35,
explanation: 'LLM returned invalid JSON; defaulted to top semantic match.',
rawResponse: ['raw' => $text]
);
}
return new ClassificationResultDTO(
articleId: isset($decoded['article_id']) ? (int) $decoded['article_id'] : $candidates[0]->articleId,
confidence: isset($decoded['confidence']) ? (float) $decoded['confidence'] : 0.35,
explanation: (string) ($decoded['explanation'] ?? 'No explanation provided.'),
rawResponse: $decoded
);
}
}

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<?php
namespace App\Services;
use App\Models\Article;
class AdminArticleService
{
public function paginate(int $perPage = 10)
{
return Article::query()->latest()->paginate($perPage);
}
public function create(string $title, string $content): Article
{
return Article::query()->create([
'title' => trim($title),
'content' => trim($content),
]);
}
}

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<?php
namespace App\Services;
use App\Models\AIDecision;
use App\Models\Article;
use App\Models\Feedback;
use App\Models\Ticket;
class AdminDashboardService
{
public function stats(): array
{
return [
'articles_count' => Article::query()->count(),
'tickets_count' => Ticket::query()->count(),
'decisions_count' => AIDecision::query()->count(),
'feedback_accuracy' => $this->feedbackAccuracy(),
];
}
public function recentTickets(int $limit = 10)
{
return Ticket::query()->latest()->limit($limit)->get();
}
public function recentDecisions(int $limit = 10)
{
return AIDecision::query()->with(['ticket', 'article'])->latest()->limit($limit)->get();
}
private function feedbackAccuracy(): ?float
{
$total = Feedback::query()->count();
if ($total === 0) {
return null;
}
$correct = Feedback::query()->where('is_correct', true)->count();
return round(($correct / $total) * 100, 2);
}
}

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<?php
namespace App\Services;
use App\Models\Ticket;
class AdminTicketService
{
public function paginateWithDecision(int $perPage = 10)
{
return Ticket::query()
->with(['decisions.article'])
->latest()
->paginate($perPage);
}
}

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<?php
namespace App\Services;
use App\Exceptions\OllamaUnavailableException;
use App\Models\EmbeddingCache;
use Illuminate\Support\Facades\Http;
use Throwable;
class EmbeddingService
{
public function embed(string $text): array
{
$hash = hash('sha256', $text);
$cached = EmbeddingCache::query()->where('text_hash', $hash)->first();
if ($cached !== null) {
return $cached->embedding;
}
$baseUrl = rtrim((string) config('services.ollama.base_url'), '/');
try {
$response = Http::timeout((int) config('services.ollama.timeout', 30))
->post($baseUrl.'/api/embeddings', [
'model' => config('services.ollama.embed_model', 'nomic-embed-text'),
'prompt' => $text,
])
->throw()
->json();
} catch (Throwable $e) {
throw new OllamaUnavailableException('Ollama embedding endpoint is unavailable', 0, $e);
}
$embedding = $response['embedding'] ?? [];
if (!is_array($embedding) || $embedding === []) {
throw new OllamaUnavailableException('Ollama embedding response did not include a valid embedding');
}
EmbeddingCache::query()->updateOrCreate(
['text_hash' => $hash],
['text' => $text, 'embedding' => $embedding]
);
return $embedding;
}
}

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<?php
namespace App\Services;
use App\Models\Article;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;
class HelpdeskImportService
{
private const DEFAULT_BASE_URL = 'https://www.internettoday.nl/helpdesk';
public function import(?string $baseUrl = null, bool $dryRun = false, ?int $limit = null): array
{
$baseUrl = rtrim($baseUrl ?: self::DEFAULT_BASE_URL, '/');
$rootHtml = $this->fetch($baseUrl);
$categories = $this->extractCategories($rootHtml);
$sectionUrls = $this->buildSectionUrls($baseUrl, $categories);
$articleUrls = $this->collectArticleUrls($baseUrl, $rootHtml, $sectionUrls);
if ($limit !== null && $limit > 0) {
$articleUrls = array_slice($articleUrls, 0, $limit);
}
$imported = 0;
$updated = 0;
$skipped = 0;
foreach ($articleUrls as $articleUrl) {
$parsed = $this->parseArticlePage($articleUrl);
if ($parsed === null) {
$skipped++;
continue;
}
if ($dryRun) {
$imported++;
continue;
}
[$title, $content] = $parsed;
$result = Article::withoutEvents(function () use ($title, $content) {
return Article::query()->updateOrCreate(
['title' => $title],
['content' => $content]
);
});
if ($result->wasRecentlyCreated) {
$imported++;
} else {
$updated++;
}
}
return [
'categories' => count($categories),
'sections' => count($sectionUrls),
'article_urls' => count($articleUrls),
'imported' => $imported,
'updated' => $updated,
'skipped' => $skipped,
'dry_run' => $dryRun,
];
}
private function fetch(string $url): string
{
return Http::timeout(30)
->retry(2, 300)
->get($url)
->throw()
->body();
}
private function extractCategories(string $html): array
{
if (!preg_match('/const\s+categories\s*=\s*(\[.*?\]);/s', $html, $matches)) {
return [];
}
$decoded = json_decode($matches[1], true);
return is_array($decoded) ? $decoded : [];
}
private function buildSectionUrls(string $baseUrl, array $categories): array
{
$urls = [];
foreach ($categories as $category) {
if (!isset($category['id'], $category['slug'])) {
continue;
}
$urls[] = sprintf('%s/%d/%s', $baseUrl, (int) $category['id'], (string) $category['slug']);
foreach (($category['children'] ?? []) as $child) {
if (!isset($child['id'], $child['slug'])) {
continue;
}
$urls[] = sprintf('%s/%d/%s', $baseUrl, (int) $child['id'], (string) $child['slug']);
}
}
return array_values(array_unique($urls));
}
private function collectArticleUrls(string $baseUrl, string $rootHtml, array $sectionUrls): array
{
$urls = [];
foreach (array_merge([$baseUrl], $sectionUrls) as $url) {
try {
$html = $url === $baseUrl ? $rootHtml : $this->fetch($url);
} catch (\Throwable) {
continue;
}
preg_match_all('/https:\/\/www\.internettoday\.nl\/helpdesk\/(\d+)-[a-z0-9\-]+/i', $html, $matches);
foreach (($matches[0] ?? []) as $match) {
$urls[] = strtolower($match);
}
}
return array_values(array_unique($urls));
}
private function parseArticlePage(string $url): ?array
{
try {
$html = $this->fetch($url);
} catch (\Throwable) {
return null;
}
if (!preg_match('/<h1[^>]*>(.*?)<\/h1>/is', $html, $titleMatch)) {
return null;
}
$title = $this->sanitizeText($titleMatch[1]);
if ($title === '') {
return null;
}
if (!preg_match('/<div\s+class="main_1_column">\s*(<p.*?<\/p>)\s*<\/div>/is', $html, $contentMatch)) {
return null;
}
$contentRaw = $contentMatch[1];
$contentRaw = preg_replace('/<\s*br\s*\/?\s*>/i', "\n", $contentRaw) ?? $contentRaw;
$contentRaw = preg_replace('/<\/p>\s*<p[^>]*>/i', "\n\n", $contentRaw) ?? $contentRaw;
$content = $this->sanitizeText($contentRaw);
if ($content === '') {
return null;
}
$content = "Source: {$url}\n\n{$content}";
return [$title, Str::limit($content, 64000, '')];
}
private function sanitizeText(string $value): string
{
$decoded = html_entity_decode(strip_tags($value), ENT_QUOTES | ENT_HTML5, 'UTF-8');
$decoded = preg_replace('/\s+/', ' ', $decoded) ?? $decoded;
return trim($decoded);
}
}

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<?php
namespace App\Services;
use App\DTOs\ClassificationResultDTO;
use App\Models\AIDecision;
use App\Models\Article;
use App\Models\Ticket;
use App\Repositories\Contracts\ArticleRepositoryInterface;
class SemanticSearchService
{
public function __construct(
private readonly EmbeddingService $embeddingService,
private readonly ArticleRepositoryInterface $articleRepository,
private readonly AIClassifierService $classifierService,
) {}
public function findBestArticle(Ticket $ticket): array
{
$embedding = $ticket->embedding ?? $this->embeddingService->embed($ticket->message);
if ($ticket->embedding === null) {
$ticket->embedding = $embedding;
$ticket->save();
}
$candidates = $this->articleRepository->findSimilarByEmbedding($embedding, 5);
$classification = $this->classifierService->rank($ticket->message, $candidates);
$bestArticle = $classification->articleId ? Article::find($classification->articleId) : null;
AIDecision::query()->create([
'ticket_id' => $ticket->id,
'article_id' => $bestArticle?->id,
'confidence' => $classification->confidence,
'explanation' => $classification->explanation,
'raw_response' => $classification->rawResponse,
]);
return [
'best_article' => $bestArticle,
'confidence' => $classification->confidence,
'explanation' => $classification->explanation,
'top_3_candidates' => collect($candidates)->take(3)->map(fn ($c) => $c->toArray())->values()->all(),
];
}
}