{
  "id": "test-heavy",
  "name": "Academic English Advanced",
  "description": "Advanced academic English course designed for comprehensive system stress testing with extensive vocabulary and complex content structures",
  "difficulty": "advanced",
  "language": "en-US",
  "metadata": {
    "version": "1.0",
    "created": "2025-09-30",
    "updated": "2025-09-30",
    "source": "DRS Stress Testing Suite",
    "target_level": "advanced",
    "total_estimated_hours": 50,
    "prerequisites": ["intermediate-english", "academic-foundations"],
    "learning_objectives": [
      "Master advanced academic vocabulary for research contexts",
      "Understand complex scientific and technical terminology",
      "Develop skills in academic discourse and methodology",
      "Practice advanced reading comprehension with dense texts",
      "Learn to analyze and synthesize complex information"
    ],
    "content_tags": ["academic-english", "research", "methodology", "advanced-vocabulary", "stress-test"],
    "total_chapters": 1,
    "available_chapters": ["test-heavy-stress"],
    "completion_criteria": {
      "overall_progress": 85,
      "chapters_completed": 1,
      "vocabulary_mastery": 90,
      "comprehension_score": 80
    }
  },
  "chapters": [
    {
      "id": "test-heavy-stress",
      "chapter_number": "1",
      "name": "Research Methodology & Academic Discourse",
      "description": "Comprehensive stress test chapter featuring 150+ academic vocabulary terms, dense scientific content, and complex linguistic structures for system performance validation",
      "estimated_hours": 50,
      "difficulty": "advanced",
      "prerequisites": ["academic-foundations"],
      "learning_objectives": [
        "Master 150+ advanced academic vocabulary terms",
        "Understand research methodology terminology",
        "Practice with high-density vocabulary content",
        "Develop skills in academic text analysis",
        "Test system performance with complex content structures"
      ],
      "vocabulary_count": 156,
      "phrases_count": 75,
      "dialogs_count": 6,
      "exercises_count": 40,
      "sentences_count": 110,
      "lessons_count": 3
    }
  ]
}