feat: shared server environment variables

database/migrations/2025_12_24_095507_add_server_to_shared_environment_variables_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        DB::statement("ALTER TABLE shared_environment_variables DROP CONSTRAINT shared_environment_variables_type_check");
+        DB::statement("ALTER TABLE shared_environment_variables ADD CONSTRAINT shared_environment_variables_type_check CHECK (type IN ('team', 'project', 'environment', 'server'))");
+        Schema::table('shared_environment_variables', function (Blueprint $table) {
+            $table->foreignId('server_id')->nullable()->constrained()->onDelete('cascade');
+            $table->unique(['key', 'server_id', 'team_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('shared_environment_variables', function (Blueprint $table) {
+            $table->dropUnique(['key', 'server_id', 'team_id']);
+            $table->dropForeign(['server_id']);
+            $table->dropColumn('server_id');
+        });
+        DB::statement("ALTER TABLE shared_environment_variables DROP CONSTRAINT shared_environment_variables_type_check");
+        DB::statement("ALTER TABLE shared_environment_variables ADD CONSTRAINT shared_environment_variables_type_check CHECK (type IN ('team', 'project', 'environment'))");
+    }
+};