feat: add installer, ranks/groups enhancements, and founder protections

database/migrations/2026_01_13_020000_create_post_thanks_table.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('post_thanks', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('post_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->timestamps();
+
+            $table->unique(['post_id', 'user_id']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('post_thanks');
+    }
+};

database/migrations/2026_01_17_000000_add_color_to_ranks_table.php

@@ -0,0 +1,28 @@
+<?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::table('ranks', function (Blueprint $table) {
+            $table->string('color', 20)->nullable()->after('badge_image_path');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('ranks', function (Blueprint $table) {
+            $table->dropColumn('color');
+        });
+    }
+};

database/migrations/2026_01_18_000000_normalize_role_names.php

@@ -0,0 +1,54 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $roles = DB::table('roles')
+            ->select(['id', 'name'])
+            ->get();
+
+        foreach ($roles as $role) {
+            $name = (string) $role->name;
+            if (str_starts_with($name, 'ROLE_')) {
+                continue;
+            }
+            $raw = strtoupper(trim($name));
+            $raw = preg_replace('/\s+/', '_', $raw);
+            $raw = preg_replace('/[^A-Z0-9_]/', '_', $raw);
+            $raw = preg_replace('/_+/', '_', $raw);
+            $raw = trim($raw, '_');
+            if ($raw === '') {
+                continue;
+            }
+            $normalized = str_starts_with($raw, 'ROLE_') ? $raw : "ROLE_{$raw}";
+
+            $exists = DB::table('roles')
+                ->where('id', '!=', $role->id)
+                ->where('name', $normalized)
+                ->exists();
+
+            if ($exists) {
+                continue;
+            }
+
+            DB::table('roles')
+                ->where('id', $role->id)
+                ->update(['name' => $normalized]);
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // No safe reversal.
+    }
+};

database/migrations/2026_01_18_010000_add_color_to_roles_table.php

@@ -0,0 +1,28 @@
+<?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::table('roles', function (Blueprint $table) {
+            $table->string('color', 20)->nullable()->after('name');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('roles', function (Blueprint $table) {
+            $table->dropColumn('color');
+        });
+    }
+};