feat: add generation trace and partial-ready workflow status

backend/tests/test_stories.py

@@ -76,7 +76,8 @@ class TestStoryGenerate:
         assert "title" in data
         assert "story_text" in data
         assert data["mode"] == "generated"
-        assert data["generation_status"] == "narrative_ready"
+        assert data["generation_status"] == "partial_ready"
+        assert data["text_status"] == "ready"
         assert data["image_status"] == "not_requested"
         assert data["audio_status"] == "not_requested"
         assert data["last_error"] is None
@@ -101,7 +102,8 @@ class TestStoryList:
         assert len(data) == 1
         assert data[0]["id"] == test_story.id
         assert data[0]["title"] == test_story.title
-        assert data[0]["generation_status"] == "narrative_ready"
+        assert data[0]["generation_status"] == "partial_ready"
+        assert data[0]["text_status"] == "ready"
         assert data[0]["image_status"] == "not_requested"
         assert data[0]["audio_status"] == "not_requested"
 
@@ -133,7 +135,8 @@ class TestStoryDetail:
         assert data["id"] == test_story.id
         assert data["title"] == test_story.title
         assert data["story_text"] == test_story.story_text
-        assert data["generation_status"] == "narrative_ready"
+        assert data["generation_status"] == "partial_ready"
+        assert data["text_status"] == "ready"
         assert data["image_status"] == "not_requested"
         assert data["audio_status"] == "not_requested"
         assert data["last_error"] is None
@@ -250,7 +253,7 @@ class TestAudio:
         detail_response = auth_client.get(f"/api/stories/{test_story.id}")
         detail = detail_response.json()
         assert detail["audio_status"] == "ready"
-        assert detail["generation_status"] == "completed"
+        assert detail["generation_status"] == "partial_ready"
         assert detail["last_error"] is None
 
     def test_get_audio_regenerates_when_cache_file_is_missing(
@@ -335,7 +338,7 @@ class TestGenerateFull:
         assert data["image_url"] == "https://example.com/image.png"
         assert data["audio_ready"] is False
         assert data["errors"] == {}
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "ready"
         assert data["audio_status"] == "not_requested"
         assert data["last_error"] is None
@@ -412,7 +415,7 @@ class TestUnifiedGenerations:
         assert data["image_url"] == "https://example.com/image.png"
         assert data["cover_url"] == "https://example.com/image.png"
         assert data["pages"] is None
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "ready"
         assert data["audio_status"] == "not_requested"
         assert data["errors"] == {}
@@ -436,7 +439,7 @@ class TestUnifiedGenerations:
         data = response.json()
         assert data["mode"] == "generated"
         assert data["image_url"] is None
-        assert data["generation_status"] == "narrative_ready"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "not_requested"
 
     def test_create_story_generation_image_failure(
@@ -530,7 +533,7 @@ class TestUnifiedGenerations:
         assert response.status_code == 200
         data = response.json()
         assert data["image_url"] == "https://example.com/image.png"
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "ready"
 
 
@@ -551,7 +554,7 @@ class TestImageGenerateSuccess:
         )
         data = response.json()
         assert data["image_url"] == "https://example.com/image.png"
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "ready"
         assert data["audio_status"] == "not_requested"
         assert data["last_error"] is None
@@ -578,7 +581,7 @@ class TestAssetRetry:
         )
         data = response.json()
         assert data["image_url"] == "https://example.com/image.png"
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "ready"
         assert data["audio_status"] == "not_requested"
         assert data["last_error"] is None
@@ -629,7 +632,7 @@ class TestAssetRetry:
 
         assert response.status_code == 200
         data = response.json()
-        assert data["generation_status"] == "completed"
+        assert data["generation_status"] == "partial_ready"
         assert data["image_status"] == "not_requested"
         assert data["audio_status"] == "ready"
         assert data["last_error"] is None