codex ticket rework

database/migrations/2026_03_24_234007_create_projects_table.php

@@ -15,6 +15,7 @@ return new class extends Migration
             $table->id();
             $table->string('name');
             $table->string('key', 5)->unique();
+            $table->boolean('show_author')->default(true);
             $table->boolean('show_story_points')->default(true);
             $table->timestamps();
         });

database/migrations/2026_03_25_004100_create_tickets_table.php

@@ -16,6 +16,8 @@ return new class extends Migration
             $table->foreignId('project_id')->constrained()->cascadeOnDelete();
             $table->foreignId('ticket_type_id')->constrained()->cascadeOnDelete();
             $table->foreignId('ticket_priority_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('assignee_user_id')->nullable()->constrained('users')->nullOnDelete();
+            $table->foreignId('author_user_id')->nullable()->constrained('users')->nullOnDelete();
             $table->foreignId('board_column_id')->nullable()->constrained()->nullOnDelete();
             $table->unsignedInteger('sequence_number');
             $table->string('ticket_key')->unique();