feat(parser): add EmojiMarkupParser for ✅/🔹/🔸 format

- ✅ → root title, 🔹 → SECTION(level=1), 🔸 → SECTION(level=2)
- (카테고리) 이름들 → LIST with category attribute + LIST_ITEM children
- 카테고리 없는 이름 줄은 빈 줄/새 섹션 전까지 동일 LIST로 묶음
- 22개 테스트 추가 (구조, 명단, 엣지케이스)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/test_emoji_markup_parser.py

@@ -0,0 +1,164 @@
+"""
+tests/test_emoji_markup_parser.py
+EmojiMarkupParser 단위 테스트
+"""
+
+import pytest
+from ctstruct import NodeType
+from ctstruct.parsers import EmojiMarkupParser
+
+
+SAMPLE = """\
+✅예시 양식
+
+🔹1번 항목
+홍길동 홍길순 홍길영 홍길준
+홍길호 홍길윤
+
+🔹2번 항목
+🔸2-1 항목
+(건강) 홍길찬 홍길만
+
+🔸2-2 항목
+(직장) 홍길주
+"""
+
+
+@pytest.fixture
+def tree():
+    return EmojiMarkupParser().parse(SAMPLE)
+
+
+# ── 문서 제목 ─────────────────────────────────────────────────────────────────
+
+class TestTitle:
+    def test_title_set(self, tree):
+        assert tree.root.attr("title") == "예시 양식"
+
+
+# ── 섹션 구조 ─────────────────────────────────────────────────────────────────
+
+class TestSections:
+    def test_two_top_sections(self, tree):
+        secs = [n for n in tree.root.children if n.node_type == NodeType.SECTION]
+        assert len(secs) == 2
+
+    def test_section1_name(self, tree):
+        sec = tree.root.children[0]
+        assert sec.content == "1번 항목"
+        assert sec.attr("level") == 1
+
+    def test_section2_name(self, tree):
+        sec = tree.root.children[1]
+        assert sec.content == "2번 항목"
+        assert sec.attr("level") == 1
+
+    def test_subsections_under_section2(self, tree):
+        sec2 = tree.root.children[1]
+        subsecs = [n for n in sec2.children if n.node_type == NodeType.SECTION]
+        assert len(subsecs) == 2
+        assert subsecs[0].content == "2-1 항목"
+        assert subsecs[1].content == "2-2 항목"
+
+    def test_subsection_level(self, tree):
+        sec2 = tree.root.children[1]
+        for sub in sec2.children:
+            assert sub.attr("level") == 2
+
+
+# ── 명단 ─────────────────────────────────────────────────────────────────────
+
+class TestNameLists:
+    def test_section1_has_one_list(self, tree):
+        sec1 = tree.root.children[0]
+        lists = [n for n in sec1.children if n.node_type == NodeType.LIST]
+        assert len(lists) == 1
+
+    def test_section1_names_across_lines(self, tree):
+        sec1 = tree.root.children[0]
+        lst = next(n for n in sec1.children if n.node_type == NodeType.LIST)
+        names = [item.content for item in lst.children]
+        assert names == ["홍길동", "홍길순", "홍길영", "홍길준", "홍길호", "홍길윤"]
+
+    def test_section1_no_category(self, tree):
+        sec1 = tree.root.children[0]
+        lst = next(n for n in sec1.children if n.node_type == NodeType.LIST)
+        assert lst.attr("category") is None
+
+    def test_subsec_21_category(self, tree):
+        sub21 = tree.root.children[1].children[0]
+        lst = next(n for n in sub21.children if n.node_type == NodeType.LIST)
+        assert lst.attr("category") == "건강"
+
+    def test_subsec_21_names(self, tree):
+        sub21 = tree.root.children[1].children[0]
+        lst = next(n for n in sub21.children if n.node_type == NodeType.LIST)
+        names = [item.content for item in lst.children]
+        assert names == ["홍길찬", "홍길만"]
+
+    def test_subsec_22_category(self, tree):
+        sub22 = tree.root.children[1].children[1]
+        lst = next(n for n in sub22.children if n.node_type == NodeType.LIST)
+        assert lst.attr("category") == "직장"
+
+    def test_subsec_22_names(self, tree):
+        sub22 = tree.root.children[1].children[1]
+        lst = next(n for n in sub22.children if n.node_type == NodeType.LIST)
+        names = [item.content for item in lst.children]
+        assert names == ["홍길주"]
+
+    def test_all_list_items_are_leaf(self, tree):
+        for item in tree.find(NodeType.LIST_ITEM):
+            assert item.is_leaf
+
+
+# ── 전체 통계 ─────────────────────────────────────────────────────────────────
+
+class TestStats:
+    def test_total_names(self, tree):
+        assert len(tree.find(NodeType.LIST_ITEM)) == 9
+
+    def test_total_lists(self, tree):
+        assert len(tree.find(NodeType.LIST)) == 3
+
+    def test_total_sections(self, tree):
+        secs = tree.find(NodeType.SECTION)
+        assert len(secs) == 4  # 🔹2 + 🔸2
+
+
+# ── 엣지 케이스 ───────────────────────────────────────────────────────────────
+
+class TestEdgeCases:
+    def test_empty_string(self):
+        tree = EmojiMarkupParser().parse("")
+        assert tree.root.attr("title") is None
+        assert len(tree.root.children) == 0
+
+    def test_title_only(self):
+        tree = EmojiMarkupParser().parse("✅제목만")
+        assert tree.root.attr("title") == "제목만"
+        assert len(tree.root.children) == 0
+
+    def test_multiple_categories_in_section(self):
+        text = "🔹항목\n(A) 홍길동\n\n(B) 홍길순\n"
+        tree = EmojiMarkupParser().parse(text)
+        sec = tree.root.children[0]
+        lists = [n for n in sec.children if n.node_type == NodeType.LIST]
+        assert len(lists) == 2
+        assert lists[0].attr("category") == "A"
+        assert lists[1].attr("category") == "B"
+
+    def test_names_without_section(self):
+        tree = EmojiMarkupParser().parse("홍길동 홍길순\n홍길영\n")
+        lst = tree.find(NodeType.LIST)
+        assert len(lst) == 1
+        assert len(lst[0].children) == 3
+
+    def test_category_names_on_separate_line(self):
+        # 카테고리 줄 다음에 이름이 없고 다음 줄에 이름이 있는 경우
+        text = "🔹항목\n(건강)\n홍길동 홍길순\n"
+        tree = EmojiMarkupParser().parse(text)
+        sec = tree.root.children[0]
+        lst = next(n for n in sec.children if n.node_type == NodeType.LIST)
+        assert lst.attr("category") == "건강"
+        assert len(lst.children) == 2