i18n vocabulaire exos (fr/pt-BR) + Web Push rappels de série

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

database/migrations/2026_07_19_012718_create_push_subscriptions_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::connection(config('webpush.database_connection'))->create(config('webpush.table_name'), function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->morphs('subscribable', 'push_subscriptions_subscribable_morph_idx');
+            $table->string('endpoint', 500)->unique();
+            $table->string('public_key')->nullable();
+            $table->string('auth_token')->nullable();
+            $table->string('content_encoding')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::connection(config('webpush.database_connection'))->dropIfExists(config('webpush.table_name'));
+    }
+};