add notifications logic and add support of both JWT and Sanctum

app/Http/Requests/Notifications/NotificationActiveRequest.php

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+<?php
+
+namespace App\Http\Requests\Notifications;
+
+use App\Http\Requests\ApiFormRequest;
+
+class NotificationActiveRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'target_group' => ['nullable', 'string', 'max:50'],
+        ];
+    }
+}

app/Http/Requests/Notifications/NotificationDeletedRequest.php

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+<?php
+
+namespace App\Http\Requests\Notifications;
+
+use App\Http\Requests\ApiFormRequest;
+
+class NotificationDeletedRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    public function rules(): array
+    {
+        return [];
+    }
+}

app/Http/Requests/Notifications/NotificationIndexRequest.php

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+<?php
+
+namespace App\Http\Requests\Notifications;
+
+use App\Http\Requests\ApiFormRequest;
+
+class NotificationIndexRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'read' => ['nullable', 'boolean'],
+            'page' => ['nullable', 'integer', 'min:1'],
+            'per_page' => ['nullable', 'integer', 'min:1', 'max:200'],
+            'sort_by' => ['nullable', 'string', 'in:created_at,scheduled_at,priority'],
+            'sort_dir' => ['nullable', 'string', 'in:asc,desc'],
+        ];
+    }
+}

app/Http/Requests/Notifications/NotificationSendRequest.php

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+<?php
+
+namespace App\Http\Requests\Notifications;
+
+use App\Http\Requests\ApiFormRequest;
+
+class NotificationSendRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => ['required', 'string', 'max:150'],
+            'message' => ['required', 'string', 'max:5000'],
+            'target_group' => ['required', 'string', 'max:50'],
+            'channels' => ['required', 'array'],
+            'channels.*' => ['string', 'in:in_app,email,sms'],
+            'priority' => ['nullable', 'string', 'max:20'],
+            'status' => ['nullable', 'string', 'max:20'],
+            'action_url' => ['nullable', 'string', 'max:255'],
+            'attachment_path' => ['nullable', 'string', 'max:255'],
+            'scheduled_at' => ['nullable', 'date'],
+            'expires_at' => ['nullable', 'date', 'after_or_equal:scheduled_at'],
+            'school_year' => ['nullable', 'string', 'max:20'],
+            'semester' => ['nullable', 'string', 'max:20'],
+        ];
+    }
+}

app/Http/Requests/Notifications/NotificationUpdateRequest.php

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+<?php
+
+namespace App\Http\Requests\Notifications;
+
+use App\Http\Requests\ApiFormRequest;
+
+class NotificationUpdateRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => ['sometimes', 'required', 'string', 'max:150'],
+            'message' => ['sometimes', 'required', 'string', 'max:5000'],
+            'target_group' => ['sometimes', 'required', 'string', 'max:50'],
+            'channels' => ['sometimes', 'required', 'array'],
+            'channels.*' => ['string', 'in:in_app,email,sms'],
+            'priority' => ['nullable', 'string', 'max:20'],
+            'status' => ['nullable', 'string', 'max:20'],
+            'action_url' => ['nullable', 'string', 'max:255'],
+            'attachment_path' => ['nullable', 'string', 'max:255'],
+            'scheduled_at' => ['nullable', 'date'],
+            'expires_at' => ['nullable', 'date', 'after_or_equal:scheduled_at'],
+        ];
+    }
+}