feat: add node deletion confirmation modal and global sequence guard for dashboard

src/static/js/dashboard-resource_provider.js

@@ -4092,7 +4092,9 @@ async function loadExistingGroups() {
 }
 
     // Stale-guard for node details fetches
-    let __nodeDetailsSeq = 0;
+    // Guard against redeclaration - use window scope to persist across reloads
+    window.__nodeDetailsSeq = window.__nodeDetailsSeq || 0;
+    let __nodeDetailsSeq = window.__nodeDetailsSeq;
  
     /**
      * View node details
@@ -4105,7 +4107,7 @@ async function loadExistingGroups() {
             window.__nodeDetailsController = (typeof AbortController !== 'undefined') ? new AbortController() : null;
 
             // Sequence guard to avoid race conditions
-            const requestId = ++__nodeDetailsSeq;
+            const requestId = ++window.__nodeDetailsSeq;
 
             const nodeData = await window.apiJson(`/api/dashboard/farm-nodes/${nodeId}`, {
                 cache: 'no-store',
@@ -4113,7 +4115,7 @@ async function loadExistingGroups() {
             });
 
             // If a newer request started, ignore this response
-            if (requestId !== __nodeDetailsSeq) return;
+            if (requestId !== window.__nodeDetailsSeq) return;
 
             console.log('👁️ Loaded node details:', nodeData);
             showNodeDetailsModal(nodeData);
@@ -4123,6 +4125,47 @@ async function loadExistingGroups() {
         }
     }
 
+/**
+ * Delete node configuration (show confirmation modal)
+ */
+async function deleteNodeConfiguration(nodeId) {
+    console.log('🗑️ Initiating node deletion for nodeId:', nodeId);
+    
+    if (!nodeId) {
+        console.error('🗑️ No node ID provided for deletion');
+        showNotification('Error: No node ID provided', 'error');
+        return;
+    }
+
+    try {
+        // Fetch node data to get the node name for confirmation
+        console.log('🗑️ Fetching node data for deletion confirmation:', nodeId);
+        const nodeData = await window.apiJson(`/api/dashboard/farm-nodes/${nodeId}`, {
+            cache: 'no-store'
+        });
+
+        console.log('🗑️ Loaded node data for deletion:', nodeData);
+
+        // Set the pending delete node ID
+        window.pendingDeleteNodeId = nodeId;
+
+        // Update the modal with node information
+        const deleteNodeNameElement = document.getElementById('deleteNodeName');
+        if (deleteNodeNameElement) {
+            const nodeName = nodeData.name || `Node ${nodeId}`;
+            deleteNodeNameElement.textContent = nodeName;
+        }
+
+        // Show the delete confirmation modal
+        const deleteModal = new bootstrap.Modal(document.getElementById('deleteNodeModal'));
+        deleteModal.show();
+
+    } catch (error) {
+        console.error('🗑️ Error preparing node deletion:', error);
+        showNotification(`Failed to prepare node deletion: ${error.message}`, 'error');
+    }
+}
+
 /**
  * Confirm node deletion (called from modal)
  */

src/static/js/messaging-system.js

@@ -3,6 +3,9 @@
  * Handles communication between users and providers.
  */
 
+// Guard against redeclaration
+if (typeof MessagingSystem === 'undefined') {
+
 class MessagingSystem {
     constructor() {
         this.currentThread = null;
@@ -960,3 +963,5 @@ MessagingSystem.prototype.openThreadFromList = function(threadId) {
     // Open the specific thread in the old modal
     this.openThread(threadId);
 };
+
+} // End of MessagingSystem guard