diff --git a/build.gradle.kts b/build.gradle.kts
index 639b645..f6d6bfe 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,13 +13,13 @@ allprojects {
     }
 
     group = "ru.inr.mass"
-    version = "0.1.4-dev-2"
+    version = "0.1.4-dev-3"
 }
 
 val dataforgeVersion by extra("0.6.2")
-val tablesVersion: String by extra("0.2.0-dev-3")
+val tablesVersion: String by extra("0.2.1")
 val kmathVersion by extra("0.3.1")
-val visionForgeVersion: String by rootProject.extra("0.3.0-dev-6")
+val visionForgeVersion: String by rootProject.extra("0.3.0-dev-14")
 
 
 ksciencePublish {
@@ -28,6 +28,7 @@ ksciencePublish {
         useSPCTeam()
     }
     space("https://maven.pkg.jetbrains.space/spc/p/numass/maven")
+    //repository("spc","https://maven.sciprog.center/spc")
 }
 
 apiValidation {
diff --git a/gradle.properties b/gradle.properties
index 87fa69b..e2dccaf 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,4 +12,4 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=1G
 
 toolsVersion=0.14.10-kotlin-1.9.0
-compose.version=1.5.1
+compose.version=1.5.3
diff --git a/numass-data-server/src/jsMain/kotlin/ru/inr/mass/data/server/NumassJsPlugin.kt b/numass-data-server/src/jsMain/kotlin/ru/inr/mass/data/server/NumassJsPlugin.kt
index 586e356..cd87b95 100644
--- a/numass-data-server/src/jsMain/kotlin/ru/inr/mass/data/server/NumassJsPlugin.kt
+++ b/numass-data-server/src/jsMain/kotlin/ru/inr/mass/data/server/NumassJsPlugin.kt
@@ -12,15 +12,16 @@ import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
 import space.kscience.plotly.models.LineShape
 import space.kscience.plotly.models.ScatterMode
-import space.kscience.plotly.plotElement
+import space.kscience.plotly.plotDiv
 import space.kscience.plotly.scatter
 import space.kscience.visionforge.ElementVisionRenderer
+import space.kscience.visionforge.JsVisionClient
 import space.kscience.visionforge.Vision
 import space.kscience.visionforge.VisionClient
 import space.kscience.visionforge.plotly.PlotlyPlugin
 
 public class NumassJsPlugin : AbstractPlugin(), ElementVisionRenderer {
-    public val client: VisionClient by require(VisionClient)
+    public val client: VisionClient by require(JsVisionClient)
     public val numassCommon: NumassCommonPlugin by require(NumassCommonPlugin)
     public val plotly: PlotlyPlugin by require(PlotlyPlugin)
 
@@ -59,7 +60,7 @@ public class NumassJsPlugin : AbstractPlugin(), ElementVisionRenderer {
 
             is VisionOfNumassPoint -> element.append {
                 h1 { +"Point" }
-                plotElement {
+                plotDiv {
                     vision.spectra.forEach { (channel, spectrum) ->
                         val pairs = spectrum.entries.sortedBy { it.key }
                         scatter {
diff --git a/numass-workspace/build.gradle.kts b/numass-workspace/build.gradle.kts
index 18e9212..d9b13b8 100644
--- a/numass-workspace/build.gradle.kts
+++ b/numass-workspace/build.gradle.kts
@@ -20,7 +20,8 @@ dependencies {
     implementation("space.kscience:dataforge-workspace:$dataforgeVersion")
 
     implementation("space.kscience:kmath-jupyter:$kmathVersion")
-    implementation("space.kscience:tables-kt:$tablesVersion")
+    implementation("space.kscience:tables-kt-csv:$tablesVersion")
+    implementation("org.apache.commons:commons-csv:1.10.0")
     implementation("space.kscience:visionforge-plotly:$visionForgeVersion")
 }
 
diff --git a/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2023.kt b/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2023.kt
new file mode 100644
index 0000000..035e7e3
--- /dev/null
+++ b/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2023.kt
@@ -0,0 +1,97 @@
+package ru.inr.mass.scripts
+
+import org.apache.commons.csv.CSVFormat
+import ru.inr.mass.models.*
+import ru.inr.mass.workspace.Numass
+import ru.inr.mass.workspace.buffer
+import ru.inr.mass.workspace.fitWith
+import space.kscience.dataforge.meta.Value
+import space.kscience.dataforge.meta.double
+import space.kscience.kmath.UnstableKMathAPI
+import space.kscience.kmath.data.XYErrorColumnarData
+import space.kscience.kmath.expressions.Symbol
+import space.kscience.kmath.optimization.*
+import space.kscience.kmath.real.map
+import space.kscience.kmath.real.step
+import space.kscience.kmath.structures.DoubleBuffer
+import space.kscience.kmath.structures.indices
+import space.kscience.plotly.*
+import space.kscience.plotly.models.ScatterMode
+import space.kscience.tables.Column
+import space.kscience.tables.Table
+import space.kscience.tables.csv.readAsCsv
+import space.kscience.tables.get
+import kotlin.math.pow
+
+fun Column<Value>.toDoubleBuffer() = DoubleBuffer(size) { get(it).double }
+
+@OptIn(UnstableKMathAPI::class)
+suspend fun main() {
+    val input = Table.readAsCsv(
+        Numass::class.java.getResource("/data/2023_events.tsv")!!,
+        csvFormat = CSVFormat.TDF
+    )
+
+    val timePerPoint = 30.0 * 129
+
+    val data: XYErrorColumnarData<Double, Double, Double> = XYErrorColumnarData.of(
+        input.columns["U"].toDoubleBuffer(),
+        input.columns["events"].toDoubleBuffer().map { it / timePerPoint },
+        input.columns["error"].toDoubleBuffer().map { it / timePerPoint }
+    )
+
+    val spectrum: NBkgSpectrum = SterileNeutrinoSpectrum(fss = FSS.default).withNBkg()
+
+    val args: Map<Symbol, Double> = mapOf(
+        NBkgSpectrum.norm to 215443.0,
+        NBkgSpectrum.bkg to 2.0,
+        NumassBeta.mnu2 to 0.0,
+        NumassBeta.e0 to 18575.0,
+        NumassBeta.msterile2 to 2000.0.pow(2),
+        NumassBeta.u2 to 0.0,
+        NumassTransmission.thickness to 0.3,
+        NumassTransmission.trap to 1.0
+    )
+
+
+    val fit: XYFit = data.fitWith(
+        optimizer = QowOptimizer,
+        modelExpression = spectrum,
+        startingPoint = args,
+        OptimizationParameters(NBkgSpectrum.norm, NBkgSpectrum.bkg, NumassBeta.e0),
+        OptimizationIterations(20)
+    )
+
+    println("Chi squared/dof: ${fit.chiSquaredOrNull}/${fit.dof}")
+
+
+    Plotly.page {
+        plot {
+            scatter {
+                name = "Data"
+                mode = ScatterMode.markers
+                x.buffer = data.x
+                y.buffer = data.y
+            }
+
+            scatter {
+                name = "Fit"
+                mode = ScatterMode.lines
+                x.buffer = 12000.0..18600.0 step 10.0
+                y.numbers = x.doubles.map { spectrum(it, args + fit.resultPoint) }
+            }
+        }
+
+        plot {
+            layout.title = "residuals"
+            scatter {
+                mode = ScatterMode.markers
+                x.buffer = data.x
+                y.numbers = data.x.indices.map {
+                    (data.y[it] - spectrum(data.x[it], args + fit.resultPoint))/data.yErr[it]
+                }
+            }
+        }
+    }.makeFile()
+
+}
\ No newline at end of file
diff --git a/numass-workspace/src/main/resources/data/2023_events.tsv b/numass-workspace/src/main/resources/data/2023_events.tsv
new file mode 100644
index 0000000..b5a4180
--- /dev/null
+++ b/numass-workspace/src/main/resources/data/2023_events.tsv
@@ -0,0 +1,108 @@
+U	events	error
+12000	6.452460E+07	8032.720335
+12050	6.308058E+07	7942.32812
+12100	6.166233E+07	7852.536369
+12150	6.026178E+07	7762.846435
+12200	5.888044E+07	7673.359382
+12250	5.752020E+07	7584.207129
+12300	5.618589E+07	7495.725049
+12350	5.486976E+07	7407.412404
+12400	5.357057E+07	7319.192132
+12450	5.229649E+07	7231.631507
+12500	5.104097E+07	7144.295993
+12550	4.980586E+07	7057.326711
+12600	4.858747E+07	6970.471306
+12650	4.739252E+07	6884.222328
+12700	4.621748E+07	6798.344134
+12750	4.505844E+07	6712.55872
+12800	4.392086E+07	6627.281125
+12850	4.280192E+07	6542.317643
+12900	4.170236E+07	6457.736238
+12950	4.062241E+07	6373.571204
+13000	3.955862E+07	6289.564579
+13050	3.851518E+07	6206.059556
+13100	3.748997E+07	6122.905734
+13150	3.648207E+07	6040.03875
+13200	3.549434E+07	5957.712236
+13250	3.452146E+07	5875.496153
+13300	3.356598E+07	5793.615159
+13350	3.263059E+07	5712.318869
+13400	3.171169E+07	5631.313607
+13450	3.080984E+07	5550.661274
+13500	2.992572E+07	5470.440919
+13550	2.905686E+07	5390.441869
+13600	2.820575E+07	5310.908839
+13650	2.737116E+07	5231.745008
+13700	2.655560E+07	5153.212589
+13750	2.575232E+07	5074.674515
+13800	2.496715E+07	4996.713422
+13850	2.419569E+07	4918.911404
+13900	2.344232E+07	4841.727268
+13950	2.270363E+07	4764.832291
+14000	2.198215E+07	4688.512852
+14050	2.127411E+07	4612.386446
+14100	2.058196E+07	4536.734227
+14150	1.990347E+07	4461.330615
+14200	1.924117E+07	4386.475463
+14250	1.859371E+07	4312.041926
+14300	1.796066E+07	4238.001528
+14350	1.734144E+07	4164.305627
+14400	1.673491E+07	4090.832005
+14450	1.614486E+07	4018.066921
+14500	1.556582E+07	3945.354348
+14550	1.500395E+07	3873.492826
+14600	1.445357E+07	3801.785423
+14650	1.391677E+07	3730.51812
+14700	1.339411E+07	3659.796472
+14750	1.288430E+07	3589.470303
+14800	1.238646E+07	3519.440284
+14850	1.190164E+07	3449.875909
+14900	1.143011E+07	3380.844281
+14950	1.097078E+07	3312.217027
+15000	1.052425E+07	3244.109423
+15050	1.008924E+07	3176.356172
+15100	9.665787E+06	3108.984892
+15150	9.254249E+06	3042.079724
+15200	8.854339E+06	2975.624154
+15250	8.467155E+06	2909.837666
+15300	8.090963E+06	2844.46187
+15350	7.725603E+06	2779.496931
+15400	7.370687E+06	2714.900844
+15450	7.028022E+06	2651.041609
+15500	6.694518E+06	2587.376647
+15550	6.372090E+06	2524.299879
+15600	6.058846E+06	2461.472259
+15650	5.758606E+06	2399.709617
+15700	5.466336E+06	2338.019685
+15750	5.183979E+06	2276.835393
+15800	4.912587E+06	2216.435542
+15850	4.648231E+06	2155.975548
+15900	4.396058E+06	2096.677784
+15950	4.151727E+06	2037.578662
+16000	3.916397E+06	1978.98901
+16100	3.473288E+06	1863.676016
+16200	3.065010E+06	1750.717128
+16300	2.688767E+06	1639.746111
+16400	2.344119E+06	1531.051707
+16500	2.029421E+06	1424.577365
+16600	1.743956E+06	1320.589413
+16700	1.487062E+06	1219.45145
+16800	1.255541E+06	1120.509421
+16900	1.049216E+06	1024.312329
+17000	8.724297E+05	934.0394267
+17100	7.157295E+05	846.0079518
+17200	5.750288E+05	758.3065238
+17300	4.560588E+05	675.3212528
+17400	3.553991E+05	596.1536111
+17500	2.697442E+05	519.3690855
+17600	2.005270E+05	447.8024159
+17700	1.434300E+05	378.7215839
+17800	9.860455E+04	314.0136092
+17900	6.354514E+04	252.0816166
+18000	3.898907E+04	197.456499
+18100	2.149273E+04	146.6039915
+18200	1.010559E+04	100.5265405
+18300	4.910901E+03	70.07781835
+18400	2.252190E+03	47.4572434
+18500	1.860929E+03	43.13848425
+18600	1.760000E+03	41.95235393