refactor(test): improve type assertions in ops endpoint context tests

backend/internal/handler/ops_error_logger_test.go

@@ -285,11 +285,15 @@ func TestSetOpsEndpointContext_SetsContextKeys(t *testing.T) {
 
 	v, ok := c.Get(opsUpstreamModelKey)
 	require.True(t, ok)
-	require.Equal(t, "claude-3-5-sonnet-20241022", v.(string))
+	vStr, ok := v.(string)
+	require.True(t, ok)
+	require.Equal(t, "claude-3-5-sonnet-20241022", vStr)
 
 	rt, ok := c.Get(opsRequestTypeKey)
 	require.True(t, ok)
-	require.Equal(t, int16(2), rt.(int16))
+	rtVal, ok := rt.(int16)
+	require.True(t, ok)
+	require.Equal(t, int16(2), rtVal)
 }
 
 func TestSetOpsEndpointContext_EmptyModelNotStored(t *testing.T) {
@@ -305,7 +309,9 @@ func TestSetOpsEndpointContext_EmptyModelNotStored(t *testing.T) {
 
 	rt, ok := c.Get(opsRequestTypeKey)
 	require.True(t, ok)
-	require.Equal(t, int16(1), rt.(int16))
+	rtVal, ok := rt.(int16)
+	require.True(t, ok)
+	require.Equal(t, int16(1), rtVal)
 }
 
 func TestSetOpsEndpointContext_NilContext(t *testing.T) {

backend/internal/pkg/apicompat/anthropic_to_responses_response.go

@@ -397,11 +397,6 @@ func anthToResHandleMessageDelta(evt *AnthropicStreamEvent, state *AnthropicEven
 		}
 	}
 
-	// Extract stop_reason from delta
-	if evt.Delta != nil && evt.Delta.StopReason != "" {
-		// We'll use this in message_stop
-	}
-
 	return nil
 }