Initial commit: Pireon Admin — headless admin panel and public API

Laravel 13 + Filament 5 admin panel and REST API for a non-profit developer
collective, backed by the Pireon OAuth identity server. The public site is a
separate, server-rendered application consuming /api/public/v1.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

app/Models/RepositoryIssue.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * An open issue mirrored from a repository.
+ *
+ * Only issues worth showing a newcomer are kept — the ones labelled as good
+ * first issues or help wanted. Mirroring every open issue would be noise.
+ */
+#[Fillable([
+    'repository_id', 'number', 'title', 'html_url', 'labels',
+    'is_good_first_issue', 'is_help_wanted', 'author', 'assignee',
+    'comments', 'issue_created_at', 'issue_updated_at',
+])]
+class RepositoryIssue extends Model
+{
+    protected function casts(): array
+    {
+        return [
+            'labels' => 'array',
+            'is_good_first_issue' => 'boolean',
+            'is_help_wanted' => 'boolean',
+            'comments' => 'integer',
+            'issue_created_at' => 'datetime',
+            'issue_updated_at' => 'datetime',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Repository, $this>
+     */
+    public function repository(): BelongsTo
+    {
+        return $this->belongsTo(Repository::class);
+    }
+
+    /**
+     * Nobody has picked it up yet, so it is genuinely available.
+     */
+    public function isUnclaimed(): bool
+    {
+        return blank($this->assignee);
+    }
+
+    /**
+     * @param  Builder<$this>  $query
+     * @return Builder<$this>
+     */
+    public function scopeAvailable(Builder $query): Builder
+    {
+        return $query->whereNull('assignee');
+    }
+}