diff --git a/semantic/enricher.py b/semantic/enricher.py
index 214237a..1e2e00c 100644
--- a/semantic/enricher.py
+++ b/semantic/enricher.py
@@ -42,7 +42,7 @@ def enrich_scene(
 def _with_known_widgets_only(
     scene: Scene,
     semantic_scene: SemanticScene,
-) -> SemanticScene | None:
+) -> SemanticScene:
     known_element_ids = {element.id for element in scene.elements}
     if not known_element_ids:
         return semantic_scene
@@ -52,8 +52,6 @@ def _with_known_widgets_only(
         for widget in semantic_scene.widgets
         if widget.element_id in known_element_ids
     ]
-    if not widgets:
-        return None
 
     return SemanticScene(
         page=semantic_scene.page,
diff --git a/semantic/llm_client.py b/semantic/llm_client.py
index cf48dee..8861b3c 100644
--- a/semantic/llm_client.py
+++ b/semantic/llm_client.py
@@ -7,14 +7,6 @@ from semantic.config import DEFAULT_MODEL
 from semantic.models import SEMANTIC_SCENE_SCHEMA, SemanticScene
 from semantic.prompts import ENRICHMENT_SYSTEM_PROMPT, scene_user_prompt
 
-_SDK_UNAVAILABLE_EXCEPTION_NAMES = {
-    "APITimeoutError",
-    "APIConnectionError",
-    "RateLimitError",
-    "AuthenticationError",
-    "APIStatusError",
-}
-
 
 class EnrichmentUnavailable(Exception):
     """Internal signal for expected enrichment transport/response failures."""
diff --git a/tests/test_semantic_enricher.py b/tests/test_semantic_enricher.py
index 8365347..2e0a95c 100644
--- a/tests/test_semantic_enricher.py
+++ b/tests/test_semantic_enricher.py
@@ -123,7 +123,7 @@ def test_enrich_scene_filters_dangling_element_ids() -> None:
     ]
 
 
-def test_enrich_scene_returns_none_when_all_widgets_are_dangling() -> None:
+def test_enrich_scene_returns_empty_widgets_when_all_widgets_are_dangling() -> None:
     client = FakeClient(
         response={
             "page": "Chat",
@@ -138,4 +138,7 @@ def test_enrich_scene_returns_none_when_all_widgets_are_dangling() -> None:
         config=SemanticConfig(enabled=True),
     )
 
-    assert result is None
+    assert result is not None
+    assert result.page == "Chat"
+    assert result.intents == ["send a message"]
+    assert result.widgets == []