diff --git a/application_events.json b/application_events.json
index 267c60d..8e4fca0 100644
--- a/application_events.json
+++ b/application_events.json
@@ -8152,8 +8152,26 @@
       "event_type": "application_started",
       "message": "Application initialization completed successfully",
       "details": {}
+    },
+    {
+      "timestamp": "2025-08-15T23:05:23.049195",
+      "level": "info",
+      "event_type": "plot_session_created",
+      "message": "Plot session 'UR29' created and started",
+      "details": {
+        "session_id": "plot_1_1755291923048_2",
+        "variables": [
+          "UR29_Brix",
+          "UR29_ma",
+          "AUX Blink_1.0S",
+          "AUX Blink_1.6S"
+        ],
+        "time_window": 36,
+        "trigger_variable": null,
+        "auto_started": true
+      }
     }
   ],
-  "last_updated": "2025-08-15T22:47:53.048381",
-  "total_entries": 677
+  "last_updated": "2025-08-15T23:05:23.049195",
+  "total_entries": 678
 }
\ No newline at end of file
diff --git a/frontend/src/components/PlotManager.jsx b/frontend/src/components/PlotManager.jsx
index 803db29..48d0be0 100644
--- a/frontend/src/components/PlotManager.jsx
+++ b/frontend/src/components/PlotManager.jsx
@@ -455,7 +455,7 @@ export default function PlotManager() {
             setPlotsSchemaData(plotsSchemaResponse)
             setPlotVariablesSchemaData(plotVariablesSchemaResponse)
             
-            // Auto-select first plot if none selected
+            // Auto-select first plot if none selected and plots are available
             if (!selectedPlotId && plotsData?.plots?.length > 0) {
                 setSelectedPlotId(plotsData.plots[0].id)
             }
@@ -474,7 +474,7 @@ export default function PlotManager() {
         } finally {
             setLoading(false)
         }
-    }, [selectedPlotId, toast])
+    }, [toast]) // Removed selectedPlotId from dependencies to prevent unnecessary reloads
 
     // Función para actualizar configuración de un plot específico sin recargar todo
     const updatePlotConfig = async (plotId, newConfig) => {
@@ -632,6 +632,13 @@ export default function PlotManager() {
         loadPlotData()
     }, [loadPlotData])
 
+    // Separate effect to handle auto-selection of first plot when plots are loaded
+    useEffect(() => {
+        if (!selectedPlotId && plotsConfig?.plots?.length > 0) {
+            setSelectedPlotId(plotsConfig.plots[0].id)
+        }
+    }, [plotsConfig, selectedPlotId])
+
     if (loading) {
         return (
             <Card>
@@ -714,14 +721,23 @@ export default function PlotManager() {
                     {/* Step 1: Plot Selector (Combo) */}
                     <VStack spacing={4} align="stretch">
                         <Box>
-                            <Text fontSize="sm" fontWeight="bold" mb={2}>
+                            <Text fontSize="lg" fontWeight="bold" mb={3}>
                                 🎯 Select Plot Session
                             </Text>
+                            <Text fontSize="sm" color="gray.600" mb={3} fontStyle="italic">
+                                ⚠️ Important: The variables configuration below depends on this selection
+                            </Text>
                             <Select 
                                 value={selectedPlotId} 
-                                onChange={(e) => setSelectedPlotId(e.target.value)}
+                                onChange={(e) => {
+                                    const newPlotId = e.target.value
+                                    setSelectedPlotId(newPlotId)
+                                    console.log(`🎯 Plot selection changed to: ${newPlotId}`)
+                                }}
                                 placeholder="Choose a plot to configure..."
-                                size="md"
+                                size="lg"
+                                fontSize="lg"
+                                fontWeight="semibold"
                             >
                                 {getPlotDefinitions().map(plot => (
                                     <option key={plot.id} value={plot.id}>
@@ -741,7 +757,7 @@ export default function PlotManager() {
                             <Box>
                                 <Divider mb={4} />
                                 <Text fontSize="sm" fontWeight="bold" mb={2}>
-                                    ⚙️ Configure Variables for Plot "{selectedPlotId}"
+                                    ⚙️ Configure Variables for Plot "{getPlotDefinitions().find(p => p.id === selectedPlotId)?.name || selectedPlotId}"
                                 </Text>
                                 
                                 {/* Simplified schema for selected plot variables */}
@@ -754,7 +770,7 @@ export default function PlotManager() {
                                         properties: {
                                             variables: {
                                                 type: "array",
-                                                title: "Variables",
+                                                title: `Variables for Plot: ${getPlotDefinitions().find(p => p.id === selectedPlotId)?.name || selectedPlotId}`,
                                                 description: `Variables to display in plot ${selectedPlotId}`,
                                                 items: {
                                                     type: "object",
@@ -865,7 +881,7 @@ export default function PlotManager() {
                                         >
                                             <HStack spacing={2} mt={4}>
                                                 <Button type="submit" colorScheme="red">
-                                                    💾 Save Variables for {selectedPlotId}
+                                                    💾 Save Variables for {getPlotDefinitions().find(p => p.id === selectedPlotId)?.name || selectedPlotId}
                                                 </Button>
                                                 <Button variant="outline" onClick={loadPlotData}>
                                                     🔄 Reset
diff --git a/frontend/src/pages/Dashboard.jsx b/frontend/src/pages/Dashboard.jsx
index 3d9fc9a..d678c76 100644
--- a/frontend/src/pages/Dashboard.jsx
+++ b/frontend/src/pages/Dashboard.jsx
@@ -899,14 +899,23 @@ function DatasetManager() {
                     {/* Step 1: Dataset Selector (Combo) */}
                     <VStack spacing={4} align="stretch">
                         <Box>
-                            <Text fontSize="sm" fontWeight="bold" mb={2}>
+                            <Text fontSize="lg" fontWeight="bold" mb={3}>
                                 🎯 Select Dataset
                             </Text>
+                            <Text fontSize="sm" color="gray.600" mb={3} fontStyle="italic">
+                                ⚠️ Important: The variables configuration below depends on this selection
+                            </Text>
                             <Select 
                                 value={selectedDatasetId} 
-                                onChange={(e) => setSelectedDatasetId(e.target.value)}
+                                onChange={(e) => {
+                                    const newDatasetId = e.target.value
+                                    setSelectedDatasetId(newDatasetId)
+                                    console.log(`🎯 Dataset selection changed to: ${newDatasetId}`)
+                                }}
                                 placeholder="Choose a dataset to configure..."
-                                size="md"
+                                size="lg"
+                                fontSize="lg"
+                                fontWeight="semibold"
                             >
                                 {availableDatasets.map(dataset => (
                                     <option key={dataset.id} value={dataset.id}>
@@ -926,7 +935,7 @@ function DatasetManager() {
                             <Box>
                                 <Divider mb={4} />
                                 <Text fontSize="sm" fontWeight="bold" mb={2}>
-                                    ⚙️ Configure Variables for Dataset "{selectedDatasetId}"
+                                    ⚙️ Configure Variables for Dataset "{availableDatasets.find(d => d.id === selectedDatasetId)?.name || selectedDatasetId}"
                                 </Text>
                                 
                                 {/* Simplified schema for selected dataset variables */}
@@ -939,7 +948,7 @@ function DatasetManager() {
                                         properties: {
                                             variables: {
                                                 type: "array",
-                                                title: "Variables",
+                                                title: `Variables for Dataset: ${availableDatasets.find(d => d.id === selectedDatasetId)?.name || selectedDatasetId}`,
                                                 description: `PLC variables to record in dataset ${selectedDatasetId}`,
                                                 items: {
                                                     type: "object",
@@ -1234,7 +1243,7 @@ function DatasetManager() {
                                         >
                                             <HStack spacing={2} mt={4}>
                                                 <Button type="submit" colorScheme="red">
-                                                    💾 Save Variables for {selectedDatasetId}
+                                                    💾 Save Variables for {availableDatasets.find(d => d.id === selectedDatasetId)?.name || selectedDatasetId}
                                                 </Button>
                                                 <Button variant="outline" onClick={loadDatasetData}>
                                                     🔄 Reset