Add profile deletion feature

- Added DELETE endpoint /api/profiles/<profile_name> to delete profiles
- Prevent deletion of the only remaining profile
- Clear current profile state if the active profile is deleted
- Added Delete button next to each profile in the Profiles modal
- Added confirmation dialog before deleting profiles
- Automatically refresh profile list after deletion

static/app.js

@@ -668,14 +668,25 @@ class LightingController {
                         profileLabel.style.fontWeight = 'bold';
                         profileLabel.style.color = '#FFD700';
                     }
+
+                    const actionsContainer = document.createElement('div');
+                    actionsContainer.style.cssText = 'display: flex; gap: 0.5rem;';
                     
                     const loadButton = document.createElement('button');
                     loadButton.className = 'btn btn-small';
                     loadButton.textContent = 'Load';
                     loadButton.addEventListener('click', () => this.loadProfile(profileName));
+
+                    const deleteButton = document.createElement('button');
+                    deleteButton.className = 'btn btn-small btn-danger';
+                    deleteButton.textContent = 'Delete';
+                    deleteButton.addEventListener('click', () => this.deleteProfile(profileName));
+                    
+                    actionsContainer.appendChild(loadButton);
+                    actionsContainer.appendChild(deleteButton);
                     
                     profileItem.appendChild(profileLabel);
-                    profileItem.appendChild(loadButton);
+                    profileItem.appendChild(actionsContainer);
                     profilesList.appendChild(profileItem);
                 });
             }
@@ -685,6 +696,37 @@ class LightingController {
         }
     }
 
+    async deleteProfile(profileName) {
+        if (!confirm(`Delete profile '${profileName}'? This cannot be undone.`)) {
+            return;
+        }
+        
+        try {
+            const response = await fetch(`/api/profiles/${profileName}`, {
+                method: 'DELETE'
+            });
+            
+            if (response.ok) {
+                await this.loadProfiles();
+                // If the current profile was deleted, clear current state tabs
+                if (this.state.current_profile === profileName) {
+                    this.state.current_profile = '';
+                    this.state.lights = {};
+                    this.state.tab_order = [];
+                    this.renderTabs();
+                    document.getElementById('tab-content').innerHTML = '<p>No tabs available. Create a new tab to get started.</p>';
+                    this.updateCurrentProfileDisplay();
+                }
+            } else {
+                const error = await response.json();
+                alert(error.error || 'Failed to delete profile');
+            }
+        } catch (error) {
+            console.error('Failed to delete profile:', error);
+            alert('Failed to delete profile');
+        }
+    }
+
     async loadProfile(profileName) {
         try {
             const response = await fetch(`/api/profiles/${profileName}`, {