fix: Update default podcast mode to STANDARD in PromptManager and related tests

tests/unit/test_prompt_manager.py

@@ -17,7 +17,7 @@ class TestPromptManager:
         assert hasattr(self.prompt_manager, "current_document_type")
 
         # Check default values
-        assert self.prompt_manager.current_mode == PodcastMode.SECTION_BY_SECTION
+        assert self.prompt_manager.current_mode == PodcastMode.STANDARD
         assert self.prompt_manager.current_document_type == DocumentType.PAPER
 
     def test_podcast_mode_enum(self):

tests/unit/test_session_persistence.py

@@ -58,7 +58,7 @@ class TestSessionPersistence:
         # Verify prompt manager state
         pm_state = text_state["prompt_manager_state"]
         assert pm_state["current_document_type"] == DocumentType.PAPER.value
-        assert pm_state["current_mode"] == PodcastMode.SECTION_BY_SECTION.value
+        assert pm_state["current_mode"] == PodcastMode.STANDARD.value
 
     def test_session_deserialization_from_dict(self):
         """Test session restoration from dictionary."""

yomitalk/prompt_manager.py

@@ -80,7 +80,7 @@ class PromptManager:
         PodcastMode.SECTION_BY_SECTION: "section_by_section.j2",
     }
     DEFAULT_DOCUMENT_TYPE = DocumentType.PAPER
-    DEFAULT_MODE = PodcastMode.SECTION_BY_SECTION
+    DEFAULT_MODE = PodcastMode.STANDARD
     DEFAULT_CHARACTER1 = Character.SHIKOKU_METAN
     DEFAULT_CHARACTER2 = Character.ZUNDAMON