fix(writer): map_template consumes real ParsedTemplate sections (positional section ids)

tests/test_phase5_template_mapper.py

@@ -1,17 +1,32 @@
-from types import SimpleNamespace
-from genesis.writer.template_mapper import map_template
+from genesis.data_models import ChapterMarker, ParsedTemplate
 from genesis.writer.models import ChapterSpec
+from genesis.writer.template_mapper import map_template
 
 
-def _fake_parsed():
-    ch1 = SimpleNamespace(chapter_id="intro", title="はじめに", section_placeholder="{{section:introduction}}")
-    ch2 = SimpleNamespace(chapter_id="db_design", title="DB 設計", section_placeholder=None)
-    return SimpleNamespace(chapters=[ch1, ch2])
+def _parsed():
+    sections = [
+        ChapterMarker(type="heading", name="はじめに", level=1),
+        ChapterMarker(type="placeholder", name="section:introduction", level=0),
+        ChapterMarker(type="heading", name="DB 設計", level=1),
+        ChapterMarker(type="placeholder", name="section:db_design", level=0),
+        ChapterMarker(type="bookmark", name="bm1", level=0),
+    ]
+    return ParsedTemplate(file_name="t.docx", sections=sections, placeholders={"section:introduction": "x"}, styles={})
 
 
-def test_map_template_ordered():
-    specs = map_template(_fake_parsed())
-    assert [s.chapter_id for s in specs] == ["intro", "db_design"]
-    assert specs[0].section_placeholder == "{{section:introduction}}"
-    assert specs[1].section_placeholder is None
+def test_map_template_ordered_and_assigns_ids():
+    specs = map_template(_parsed())
+    assert [s.title for s in specs] == ["はじめに", "DB 設計"]
+    assert specs[0].chapter_id == "introduction"
+    assert specs[0].section_placeholder == "section:introduction"
+    assert specs[1].chapter_id == "db_design"
+    assert specs[1].section_placeholder == "section:db_design"
     assert all(isinstance(s, ChapterSpec) for s in specs)
+
+
+def test_map_template_falls_back_without_placeholder():
+    sections = [ChapterMarker(type="heading", name="附録", level=1)]
+    parsed = ParsedTemplate(file_name="t.docx", sections=sections, placeholders={}, styles={})
+    specs = map_template(parsed)
+    assert specs[0].chapter_id == "chapter_1"
+    assert specs[0].section_placeholder is None