Update content_pack.py

content_pack.py

@@ -349,4 +349,330 @@ def get_verbs(pack: dict = None) -> list:
 
 def get_adjectives(pack: dict = None) -> list:
     pack = pack or get_active_pack()
-    return [v for v in pack["vocab"] if v["type"] == "adjective"]
+    return [v for v in pack["vocab"] if v["type"] == "adjective"]
+
+
+# ---------------------------------------------------------------------------
+# LESSON CONTENT — Explanation, Example Sentences, Speaking Sentences
+# ---------------------------------------------------------------------------
+# Each grammar rule gets:
+#   explanation  — what Unity shows in Frame 1 (text) + Frame 2 (pattern)
+#   example_sentences — 2-4 pairs (positive + negative) for Frame 3
+#   speaking_sentences — sentences for Frame 5 (user repeats aloud)
+# ---------------------------------------------------------------------------
+
+LESSON_CONTENT = {
+    "topic_marker": {
+        "explanation": {
+            "title": "Topic Markers 은/는",
+            "body": (
+                "Used to mark the topic of a sentence. "
+                "은 attaches to nouns that end with a consonant (받침). "
+                "는 attaches to nouns that end with a vowel."
+            ),
+            "pattern": "N (Consonant) + 은 / N (Vowel) + 는",
+            "notes": "The topic marker tells the listener what the sentence is about.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "저는 학생이에요.", "english": "I am a student."},
+                "negative": {"korean": "저는 학생이 아니에요.", "english": "I am not a student."},
+                "focus_word": "저는",
+                "rule_shown": "저 (vowel ending) + 는",
+            },
+            {
+                "positive": {"korean": "이것은 책이에요.", "english": "This is a book."},
+                "negative": {"korean": "이것은 책이 아니에요.", "english": "This is not a book."},
+                "focus_word": "이것은",
+                "rule_shown": "이것 (consonant ending ㅅ) + 은",
+            },
+            {
+                "positive": {"korean": "친구는 의사예요.", "english": "My friend is a doctor."},
+                "negative": {"korean": "친구는 의사가 아니에요.", "english": "My friend is not a doctor."},
+                "focus_word": "친구는",
+                "rule_shown": "친구 (vowel ending) + 는",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "저는 학생이에요.", "english": "I am a student.", "difficulty": 1},
+            {"korean": "이것은 사과예요.", "english": "This is an apple.", "difficulty": 1},
+            {"korean": "선생님은 친절해요.", "english": "The teacher is kind.", "difficulty": 2},
+            {"korean": "우리는 친구예요.", "english": "We are friends.", "difficulty": 2},
+        ],
+    },
+
+    "copula": {
+        "explanation": {
+            "title": "Copula 이에요/예요",
+            "body": (
+                "Used to say 'N1 is N2'. "
+                "이에요 attaches to nouns ending with a consonant. "
+                "예요 attaches to nouns ending with a vowel."
+            ),
+            "pattern": "N (Consonant) + 이에요 / N (Vowel) + 예요",
+            "notes": "이에요/예요 is the polite present tense of the copula (to be).",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "저는 학생이에요.", "english": "I am a student."},
+                "negative": {"korean": "저는 학생이 아니에요.", "english": "I am not a student."},
+                "focus_word": "학생이에요",
+                "rule_shown": "학생 (consonant ending ㅇ) + 이에요",
+            },
+            {
+                "positive": {"korean": "제 이름은 민수예요.", "english": "My name is Minsu."},
+                "negative": {"korean": "제 이름은 민수가 아니에요.", "english": "My name is not Minsu."},
+                "focus_word": "민수예요",
+                "rule_shown": "민수 (vowel ending) + 예요",
+            },
+            {
+                "positive": {"korean": "이것은 커피예요.", "english": "This is coffee."},
+                "negative": {"korean": "이것은 커피가 아니에요.", "english": "This is not coffee."},
+                "focus_word": "커피예요",
+                "rule_shown": "커피 (vowel ending) + 예요",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "저는 선생님이에요.", "english": "I am a teacher.", "difficulty": 1},
+            {"korean": "이것은 물이에요.", "english": "This is water.", "difficulty": 1},
+            {"korean": "제 친구는 의사예요.", "english": "My friend is a doctor.", "difficulty": 2},
+            {"korean": "저는 한국어 학생이에요.", "english": "I am a Korean language student.", "difficulty": 2},
+        ],
+    },
+
+    "negative_copula": {
+        "explanation": {
+            "title": "Negative Copula 이/가 아니에요",
+            "body": (
+                "Used to say 'N1 is not N2'. "
+                "이 아니에요 attaches after consonant-ending nouns. "
+                "가 아니에요 attaches after vowel-ending nouns or nouns ending in ㄹ."
+            ),
+            "pattern": "N (Consonant) + 이 아니에요 / N (Vowel/ㄹ) + 가 아니에요",
+            "notes": "이/가 is the subject marker. 아니에요 means 'is not'.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "이것은 물이에요.", "english": "This is water."},
+                "negative": {"korean": "이것은 물이 아니에요.", "english": "This is not water."},
+                "focus_word": "물이 아니에요",
+                "rule_shown": "물 (consonant ending ㄹ) → 가 아니에요",
+            },
+            {
+                "positive": {"korean": "저는 학생이에요.", "english": "I am a student."},
+                "negative": {"korean": "저는 학생이 아니에요.", "english": "I am not a student."},
+                "focus_word": "학생이 아니에요",
+                "rule_shown": "학생 (consonant ending ㅇ) + 이 아니에요",
+            },
+            {
+                "positive": {"korean": "이분은 의사예요.", "english": "This person is a doctor."},
+                "negative": {"korean": "이분은 의사가 아니에요.", "english": "This person is not a doctor."},
+                "focus_word": "의사가 아니에요",
+                "rule_shown": "의사 (vowel ending) + 가 아니에요",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "이것은 책이 아니에요.", "english": "This is not a book.", "difficulty": 1},
+            {"korean": "저는 선생님이 아니에요.", "english": "I am not a teacher.", "difficulty": 1},
+            {"korean": "그것은 커피가 아니에요.", "english": "That is not coffee.", "difficulty": 2},
+            {"korean": "이분은 제 친구가 아니에요.", "english": "This person is not my friend.", "difficulty": 2},
+        ],
+    },
+
+    "indirect_quote_dago": {
+        "explanation": {
+            "title": "Indirect Quotation -다고",
+            "body": (
+                "Used to report what someone said (statements). "
+                "Verb stems use 는다고 (action verbs) or ㄴ다고 (vowel-ending stems). "
+                "Adjectives and 이다 use 다고. Past tense uses 었/았다고."
+            ),
+            "pattern": "V-stem + 는다고/ㄴ다고  |  Adj + 다고  |  V(past) + 었/았다고",
+            "notes": "했어요 (said) or 해요 (says) follows 다고 in most sentences.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "민수가 '등록금이 너무 비싸요.'라고 했어요.", "english": "Minsu said 'The tuition is too expensive.'"},
+                "negative": {"korean": "민수는 등록금이 너무 비싸다고 했어요.", "english": "Minsu said that the tuition is too expensive."},
+                "focus_word": "비싸다고",
+                "rule_shown": "비싸다 (adjective) + 다고",
+            },
+            {
+                "positive": {"korean": "친구가 '공부해요.'라고 했어요.", "english": "My friend said 'I study.'"},
+                "negative": {"korean": "친구가 공부한다고 했어요.", "english": "My friend said that they study."},
+                "focus_word": "공부한다고",
+                "rule_shown": "공부하다 → 공부한다고 (하 drops, ㄴ다고)",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "친구가 피곤하다고 했어요.", "english": "My friend said they are tired.", "difficulty": 2},
+            {"korean": "선생님이 숙제가 많다고 했어요.", "english": "The teacher said there is a lot of homework.", "difficulty": 2},
+            {"korean": "민수가 내일 학교에 간다고 했어요.", "english": "Minsu said they are going to school tomorrow.", "difficulty": 3},
+        ],
+    },
+
+    "indirect_quote_commands": {
+        "explanation": {
+            "title": "Indirect Quotation — Commands",
+            "body": (
+                "(으)라고 is used to report commands or requests. "
+                "지 말라고 is used to report negative commands (telling someone not to do something). "
+                "달라고 reports requests (please give/do for me). 주라고 reports 'please do'."
+            ),
+            "pattern": "V-stem + (으)라고  |  V + 지 말라고  |  달라고 / 주라고",
+            "notes": "The subject marker after the speaker is 이/가.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "선생님이 '조용히 하세요.'라고 했어요.", "english": "The teacher said 'Please be quiet.'"},
+                "negative": {"korean": "선생님이 조용히 하라고 했어요.", "english": "The teacher told us to be quiet."},
+                "focus_word": "하라고",
+                "rule_shown": "하다 (vowel stem) + 라고",
+            },
+            {
+                "positive": {"korean": "엄마가 '뛰지 마세요.'라고 했어요.", "english": "Mom said 'Don't run.'"},
+                "negative": {"korean": "엄마가 뛰지 말라고 했어요.", "english": "Mom told us not to run."},
+                "focus_word": "말라고",
+                "rule_shown": "뛰다 + 지 말라고",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "선생님이 조용히 하라고 했어요.", "english": "The teacher told us to be quiet.", "difficulty": 2},
+            {"korean": "친구가 같이 가라고 했어요.", "english": "My friend told me to go together.", "difficulty": 2},
+            {"korean": "엄마가 빨리 오라고 했어요.", "english": "Mom told me to come quickly.", "difficulty": 2},
+        ],
+    },
+
+    "indirect_quote_questions": {
+        "explanation": {
+            "title": "Indirect Quotation — Questions",
+            "body": (
+                "냐고 is used to report questions. "
+                "Attach to verb/adjective stems. "
+                "If the stem ends in ㄹ, drop ㄹ before adding 냐고. "
+                "물었어요 (asked) or 물어봤어요 typically follows."
+            ),
+            "pattern": "V/Adj-stem + 냐고 (drop ㄹ from ㄹ-irregular stems)",
+            "notes": "냐고 replaces the question ending 아요/어요/이에요.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "지혜가 '지금 쉬어요?'라고 물었어요.", "english": "Jihye asked 'Are you resting now?'"},
+                "negative": {"korean": "지혜는 지금 쉬냐고 물었어요.", "english": "Jihye asked if I am resting now."},
+                "focus_word": "쉬냐고",
+                "rule_shown": "쉬다 → 쉬 + 냐고 (drop 다)",
+            },
+            {
+                "positive": {"korean": "친구가 '어디 가요?'라고 물었어요.", "english": "My friend asked 'Where are you going?'"},
+                "negative": {"korean": "친구가 어디 가냐고 물었어요.", "english": "My friend asked where I was going."},
+                "focus_word": "가냐고",
+                "rule_shown": "가다 → 가 + 냐고",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "지혜는 지금 쉬냐고 물었어요.", "english": "Jihye asked if I am resting now.", "difficulty": 2},
+            {"korean": "선생님이 숙제를 했냐고 물었어요.", "english": "The teacher asked if I did the homework.", "difficulty": 3},
+            {"korean": "친구가 밥 먹었냐고 물었어요.", "english": "My friend asked if I ate.", "difficulty": 2},
+        ],
+    },
+
+    "indirect_quote_suggestions": {
+        "explanation": {
+            "title": "Indirect Quotation — Suggestions",
+            "body": (
+                "자고 is used to report suggestions (let's do something). "
+                "Attach directly to the verb stem. "
+                "했어요 or 해요 typically follows."
+            ),
+            "pattern": "V-stem + 자고 했어요/해요",
+            "notes": "자 is the plain form suggestion ending. 자고 = quoting that suggestion.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "친구가 '같이 밥 먹자.'라고 했어요.", "english": "My friend said 'Let's eat together.'"},
+                "negative": {"korean": "친구가 같이 밥 먹자고 했어요.", "english": "My friend suggested eating together."},
+                "focus_word": "먹자고",
+                "rule_shown": "먹다 → 먹 + 자고",
+            },
+            {
+                "positive": {"korean": "예나가 '일찍 집에 가자.'라고 했어요.", "english": "Yena said 'Let's go home early.'"},
+                "negative": {"korean": "예나는 일찍 집에 가자고 했어요.", "english": "Yena suggested going home early."},
+                "focus_word": "가자고",
+                "rule_shown": "가다 → 가 + 자고",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "친구가 같이 공부하자고 했어요.", "english": "My friend suggested studying together.", "difficulty": 2},
+            {"korean": "민수가 영화 보러 가자고 했어요.", "english": "Minsu suggested going to watch a movie.", "difficulty": 2},
+            {"korean": "선생님이 천천히 읽자고 했어요.", "english": "The teacher suggested reading slowly.", "difficulty": 3},
+        ],
+    },
+
+    "regret_expression": {
+        "explanation": {
+            "title": "Expressing Regret — (으)ㄹ 걸 그랬다",
+            "body": (
+                "(으)ㄹ 걸 그랬다 expresses regret about something you did or didn't do. "
+                "Use 을 걸 after consonant-ending stems, ㄹ 걸 after vowel-ending stems. "
+                "지 말 걸 그랬다 expresses regret about something you did (shouldn't have done)."
+            ),
+            "pattern": "V-stem + (으)ㄹ 걸 그랬다  |  V + 지 말 걸 그랬다",
+            "notes": "그랬다 can be softened to 그랬어 in casual speech.",
+        },
+        "example_sentences": [
+            {
+                "positive": {"korean": "수업에 갔어요.", "english": "I went to class."},
+                "negative": {"korean": "수업에 갈 걸 그랬어요.", "english": "I should have gone to class."},
+                "focus_word": "갈 걸 그랬어요",
+                "rule_shown": "가다 → 가 + ㄹ 걸 그랬어요",
+            },
+            {
+                "positive": {"korean": "그 음식을 먹었어요.", "english": "I ate that food."},
+                "negative": {"korean": "그 음식을 먹지 말 걸 그랬어요.", "english": "I shouldn't have eaten that food."},
+                "focus_word": "먹지 말 걸 그랬어요",
+                "rule_shown": "먹다 + 지 말 걸 그랬어요",
+            },
+        ],
+        "speaking_sentences": [
+            {"korean": "더 열심히 공부할 걸 그랬어요.", "english": "I should have studied harder.", "difficulty": 2},
+            {"korean": "일찍 잘 걸 그랬어요.", "english": "I should have slept early.", "difficulty": 2},
+            {"korean": "그 말을 하지 말 걸 그랬어요.", "english": "I shouldn't have said that.", "difficulty": 3},
+        ],
+    },
+}
+
+
+def get_lesson_content(grammar_rule: str) -> dict:
+    """Return full lesson content for a grammar rule (all 6 frames)."""
+    return LESSON_CONTENT.get(grammar_rule, {})
+
+
+def get_explanation(grammar_rule: str) -> dict:
+    """Return Frame 1+2 data: title, body, pattern, notes."""
+    content = LESSON_CONTENT.get(grammar_rule, {})
+    rule    = GRAMMAR_RULES.get(grammar_rule, {})
+    expl    = content.get("explanation", {})
+    return {
+        "grammar_rule":  grammar_rule,
+        "title":         expl.get("title", rule.get("name", grammar_rule)),
+        "body":          expl.get("body", rule.get("description", "")),
+        "pattern":       expl.get("pattern", ""),
+        "notes":         expl.get("notes", ""),
+        "difficulty":    rule.get("difficulty", 1),
+        "lesson":        rule.get("lesson", ""),
+    }
+
+
+def get_example_sentences(grammar_rule: str) -> list:
+    """Return Frame 3 data: positive/negative sentence pairs with focus word."""
+    content = LESSON_CONTENT.get(grammar_rule, {})
+    return content.get("example_sentences", [])
+
+
+def get_speaking_sentences(grammar_rule: str, difficulty: int = None) -> list:
+    """Return Frame 5 data: sentences for speaking practice, optionally filtered by difficulty."""
+    content   = LESSON_CONTENT.get(grammar_rule, {})
+    sentences = content.get("speaking_sentences", [])
+    if difficulty is not None:
+        sentences = [s for s in sentences if s.get("difficulty", 1) <= difficulty]
+    return sentences