feat(forum): add forum schema

database/migrations/2026_02_17_161455_create_forum_categories_table.php

@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('forum_categories', function (Blueprint $table) {
+            $table->id();
+
+            $table->string('name', 150);
+            $table->string('slug', 150)->unique();
+
+            $table->foreignId('parent_id')
+                ->nullable()
+                ->constrained('forum_categories')
+                ->nullOnDelete();
+
+            $table->integer('position')->default(0);
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('forum_categories');
+    }
+};

database/migrations/2026_02_17_161456_create_forum_posts_table.php

@@ -0,0 +1,41 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        if (!Schema::hasTable('forum_posts')) {
+            Schema::create('forum_posts', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreignId('thread_id')->constrained('forum_threads')->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+
+            $table->longText('content');
+
+            $table->boolean('is_edited')->default(false);
+            $table->timestamp('edited_at')->nullable();
+
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->index(['thread_id','created_at']);
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('forum_posts');
+    }
+};

database/migrations/2026_02_17_161456_create_forum_threads_table.php

@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('forum_threads', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreignId('category_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+
+            $table->string('title');
+            $table->string('slug')->unique();
+
+            $table->longText('content');
+
+            $table->unsignedInteger('views')->default(0);
+
+            $table->boolean('is_locked')->default(false);
+            $table->boolean('is_pinned')->default(false);
+
+            $table->enum('visibility', ['public','members','staff'])->default('public');
+
+            $table->timestamp('last_post_at')->nullable();
+
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->index(['category_id','last_post_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('forum_threads');
+    }
+};

database/migrations/2026_02_17_161458_create_forum_attachments_table.php

@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('forum_attachments', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreignId('post_id')->constrained('forum_posts')->cascadeOnDelete();
+
+            $table->string('file_path');
+            $table->unsignedBigInteger('file_size');
+
+            $table->string('mime_type', 100)->nullable();
+
+            $table->unsignedInteger('width')->nullable();
+            $table->unsignedInteger('height')->nullable();
+
+            $table->timestamps();
+
+            $table->index('post_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('forum_attachments');
+    }
+};