feat: 合成機能テンプレートの拡充とドキュメントの更新

- ppmck/pyxel向けに表現力のある作曲テンプレートを追加
- エンベロープ、ビブラート、音程変化の使用例を追加
- テンプレートの検証・IR・音声合成テストを追加
- README、設計書、MCP仕様書を現行実装に合わせて更新

1 files changed, 22 insertions, 1 deletions

diff --git a/tests/test_compose_mml_tool.py b/tests/test_compose_mml_tool.py
index 3d56115..be4735e 100644
--- a/tests/test_compose_mml_tool.py
+++ b/tests/test_compose_mml_tool.py
@@ -65,7 +65,16 @@ def test_validate_pyxel(compose_mml):
 
 def test_template_all(compose_mml):
     for mode in ("ppmck", "pyxel"):
-        for template in ("basic", "melody", "chord", "drum", "empty"):
+        for template in (
+            "basic",
+            "melody",
+            "chord",
+            "drum",
+            "empty",
+            "expressive_lead",
+            "vibrato_lead",
+            "pitch_motion",
+        ):
             result = compose_mml(action="template", mode=mode, template=template)
             assert "mml" in result
             assert "description" in result
@@ -77,6 +86,18 @@ def test_template_all(compose_mml):
             )
 
 
+def test_synthesis_templates_compose(compose_mml, tmp_output_dir):
+    for mode in ("ppmck", "pyxel"):
+        for template in ("expressive_lead", "vibrato_lead", "pitch_motion"):
+            generated = compose_mml(action="template", mode=mode, template=template)
+            result = compose_mml(action="compose", mml=generated["mml"], mode=mode)
+            assert result["success"] is True, (
+                f"{mode}/{template} synthesis failed: {result['validation']}"
+            )
+            assert result["duration_sec"] > 0
+            assert Path(result["wav_path"]).exists()
+
+
 def test_template_invalid_fallback(compose_mml):
     result = compose_mml(action="template", mode="pyxel", template="unknown")
     assert result["description"] == "基本的な4ch構成（メロディ+和音+ベース+リズム）"