{
  "contract_mode": "block_type_contract",
  "template_code": "travel_reading_a2_v1",
  "content_policy": {
    "primary_input_mode": "reading_text",
    "reading_is_primary": true,
    "dialogue_is_supporting": true,
    "learner_facing_blocks_only": true,
    "allow_external_answer_choices": true,
    "reuse_class_content_for_activity": true,
    "avoid_new_core_language_in_activity": true
  },
  "template_scope": "single_class_and_single_activity_style",
  "class_structure": {
    "block_order": [
      "goal",
      "key_functions",
      "function_variations",
      "short_reading",
      "short_dialogue",
      "reading_qa",
      "discussion_sample"
    ],
    "quality_bar": {
      "style_rules": [
        "Reading is the visual and pedagogical center of the class.",
        "Use concrete domain places, objects, people, and learner actions.",
        "Keep sentences within the resolved level sentence_policy.",
        "Keep dialogue compact; it supports the reading and should not dominate the page."
      ],
      "density_source": "bm_level_guide_rule.guide_rule_json.class_density_policy"
    },
    "output_schema": {
      "contract_name": "reading_centered_class_v2",
      "required_blocks": [
        "goal",
        "key_functions",
        "function_variations",
        "short_reading",
        "short_dialogue",
        "reading_qa",
        "discussion_sample"
      ]
    },
    "block_contract": {
      "goal": {
        "role": "student_can_do_goal",
        "required": true,
        "learner_facing": true
      },
      "reading_qa": {
        "role": "reading_comprehension",
        "required": true,
        "density_rule_ref": "class_density_policy.reading_qa_items"
      },
      "key_functions": {
        "role": "main_functional_language",
        "required": true,
        "count_rule_ref": "class_density_policy.key_functions",
        "expressions_per_function_ref": "class_density_policy.phrases_per_function"
      },
      "short_reading": {
        "role": "primary_reading_text",
        "required": true,
        "is_primary": true,
        "content_rule": "Reading is the center of the lesson. Use readable paragraphs.",
        "density_rule_ref": "class_density_policy.reading_chars"
      },
      "short_dialogue": {
        "role": "supporting_speaking_model",
        "required": true,
        "display_weight": "compact",
        "density_rule_ref": "class_density_policy.dialogue_turns"
      },
      "discussion_sample": {
        "role": "reading_based_personalization",
        "required": true,
        "density_rule_ref": "class_density_policy.discussion_items"
      },
      "function_variations": {
        "role": "base-expression to variation map",
        "required": true,
        "source_rule": "key_functions.expressions[].variation"
      }
    },
    "structure_code": "reading_centered_class",
    "structure_role": "class_block_contract",
    "required_blocks": [
      "goal",
      "key_functions",
      "function_variations",
      "short_reading",
      "short_dialogue",
      "reading_qa",
      "discussion_sample"
    ],
    "level_density_source": "bm_level_guide_rule.guide_rule_json.class_density_policy",
    "sentence_policy_source": "bm_level_guide_rule.guide_rule_json.sentence_policy",
    "title_generation_policy": {
      "rules": [
        "Create a short learner-facing English title.",
        "Draft the class_content_json first, then finalize the title from the actual generated Class content.",
        "Reflect the class situation, can-do goal, generated input material, and main learner task.",
        "The title must accurately summarize what the learner will practice in this Class.",
        "Do not use generic titles such as Class 1, Lesson 1, Daily English, or the scenario name alone.",
        "Do not include internal codes, database ids, or raw sequence labels.",
        "Use 3 to 8 words."
      ],
      "source": [
        "generated_class.class_content_json",
        "generated_class.teacher_guide_json",
        "class_blueprint.target_situation",
        "class_blueprint.class_goal",
        "target_functions",
        "core_expressions"
      ],
      "examples": [
        "Introducing Yourself at Work",
        "Ordering Coffee Politely",
        "Talking About Weekend Plans"
      ]
    }
  },
  "prompt_contract": {
    "contract_version": "common_reading_prompt_v2",
    "class_prompt_rule": "Build class_content_json from class_structure.block_contract, resolved level_rule_json, selected_flow_steps, and profile policy.",
    "activity_prompt_rule": "Build activity_content_json from activity_structure.block_contract, resolved level_rule_json, and generated class_content_json."
  },
  "quantity_source": {
    "class_count": "bm_book_cycle.class_count",
    "activity_count": "bm_book_cycle.activity_count",
    "template_must_not_define_counts": true
  },
  "sample_reference": "public/samples/travel-a2-quality-sample.html",
  "template_version": "common_reading_template_v2",
  "level_rule_source": {
    "table": "bm_level_guide_rule",
    "lookup": "bm_book.level_code",
    "required": true,
    "contract_version": "common_reading_density_v2",
    "template_stores_threshold_values": false
  },
  "activity_structure": {
    "block_order": [
      "synonym_multi_answer",
      "antonym_phrasal_verb_multi_answer",
      "word_word_matching",
      "short_sentence_reading",
      "long_sentence_reading"
    ],
    "quality_bar": {
      "style_rules": [
        "Activity question/source words must come from the generated Class.",
        "Answer choices may include external level-appropriate words when useful.",
        "Word matching must be word-to-word or word-to-short-phrase, never word-to-definition.",
        "Short and long sentence reading must come from Class Reading."
      ],
      "density_source": "bm_level_guide_rule.guide_rule_json.activity_density_policy"
    },
    "output_schema": {
      "contract_name": "vocabulary_retrieval_activity_v2",
      "required_blocks": [
        "synonym_multi_answer",
        "antonym_phrasal_verb_multi_answer",
        "word_word_matching",
        "short_sentence_reading",
        "long_sentence_reading"
      ],
      "page_count_per_activity": 5
    },
    "source_policy": {
      "derive_from_class_content": true,
      "question_words_from_class": true,
      "definition_matching_allowed": false,
      "external_answer_choices_allowed": true,
      "reading_practice_from_class_reading": true
    },
    "block_contract": {
      "word_word_matching": {
        "page_no": 3,
        "block_type": "word_word_matching"
      },
      "synonym_multi_answer": {
        "page_no": 1,
        "block_type": "multi_answer_choice"
      },
      "long_sentence_reading": {
        "page_no": 5,
        "block_type": "long_sentence_reading",
        "sentence_source": "class_content_json.short_reading only",
        "density_rule_ref": "activity_density_policy.long_sentence_reading"
      },
      "short_sentence_reading": {
        "page_no": 4,
        "block_type": "short_sentence_reading",
        "sentence_source": "class_content_json.short_reading only",
        "density_rule_ref": "activity_density_policy.short_sentence_reading"
      },
      "antonym_phrasal_verb_multi_answer": {
        "page_no": 2,
        "block_type": "mixed_multi_answer_choice"
      }
    },
    "structure_code": "vocabulary_retrieval_activity",
    "structure_role": "activity_block_contract",
    "required_blocks": [
      "synonym_multi_answer",
      "antonym_phrasal_verb_multi_answer",
      "word_word_matching",
      "short_sentence_reading",
      "long_sentence_reading"
    ],
    "level_density_source": "bm_level_guide_rule.guide_rule_json.activity_density_policy",
    "sentence_policy_source": "bm_level_guide_rule.guide_rule_json.sentence_policy",
    "page_count_per_activity": 5,
    "title_generation_policy": {
      "rules": [
        "Create a short learner-facing English title.",
        "Draft the activity_content_json first, then finalize the title from the actual generated Activity content.",
        "Reflect the generated Activity content, source Class topic, review source, and main practice content.",
        "The title must accurately summarize what the learner does in this Activity.",
        "Do not use internal titles such as 01 activity, 02 activity, or scenario code.",
        "Do not use role prefixes or Activity-number stages such as Vocabulary, Controlled Practice, Sentence Practice, Dialogue Review, or Speaking Task.",
        "Do not imply a different Activity template, purpose, or difficulty tier by Activity number.",
        "Use the generated topic only; do not append Practice, Activity, or an Activity number to the title.",
        "Use 2 to 8 words."
      ],
      "source": [
        "generated_activity.activity_content_json",
        "generated_activity.student_instruction_json",
        "generated_activity.answer_key_json",
        "generated_activity.bridge_to_class_json",
        "source_class.title",
        "reused_core_expressions",
        "review_source_trace"
      ],
      "title_pattern": "<topic>"
    }
  },
  "template_group_code": "travel_reading"
}

{
  "render_target": "class",
  "primary_layout": "reading_centered_export",
  "class_renderers": {
    "goal": "can_do_callout",
    "reading_qa": "qa_list",
    "key_functions": "function_card_grid",
    "short_reading": "primary_reading_box",
    "short_dialogue": "compact_dialogue",
    "discussion_sample": "discussion_samples",
    "function_variations": "compact_variation_trace"
  },
  "section_emphasis": {
    "reading": "primary",
    "dialogue": "compact_supporting",
    "small_text_min_px": 16
  },
  "class_block_order": [
    "goal",
    "key_functions",
    "function_variations",
    "short_reading",
    "short_dialogue",
    "reading_qa",
    "discussion_sample"
  ],
  "activity_renderers": {
    "word_word_matching": "word_word_matching_grid",
    "synonym_multi_answer": "multi_answer_choice_cards",
    "long_sentence_reading": "connected_reading_box",
    "short_sentence_reading": "short_sentence_reading_list",
    "antonym_phrasal_verb_multi_answer": "multi_answer_choice_cards"
  },
  "activity_block_order": [
    "synonym_multi_answer",
    "antonym_phrasal_verb_multi_answer",
    "word_word_matching",
    "short_sentence_reading",
    "long_sentence_reading"
  ],
  "render_contract_version": "common_reading_render_v2"
}

{
  "render_target": "activity",
  "primary_layout": "reading_centered_export",
  "class_renderers": {
    "goal": "can_do_callout",
    "reading_qa": "qa_list",
    "key_functions": "function_card_grid",
    "short_reading": "primary_reading_box",
    "short_dialogue": "compact_dialogue",
    "discussion_sample": "discussion_samples",
    "function_variations": "compact_variation_trace"
  },
  "section_emphasis": {
    "reading": "primary",
    "dialogue": "compact_supporting",
    "small_text_min_px": 16
  },
  "class_block_order": [
    "goal",
    "key_functions",
    "function_variations",
    "short_reading",
    "short_dialogue",
    "reading_qa",
    "discussion_sample"
  ],
  "activity_renderers": {
    "word_word_matching": "word_word_matching_grid",
    "synonym_multi_answer": "multi_answer_choice_cards",
    "long_sentence_reading": "connected_reading_box",
    "short_sentence_reading": "short_sentence_reading_list",
    "antonym_phrasal_verb_multi_answer": "multi_answer_choice_cards"
  },
  "activity_block_order": [
    "synonym_multi_answer",
    "antonym_phrasal_verb_multi_answer",
    "word_word_matching",
    "short_sentence_reading",
    "long_sentence_reading"
  ],
  "render_contract_version": "common_reading_render_v2"
}