Mark incomplete features as under construction and implement v0.0.2 release

- Mark incomplete statistics charts with construction notices
- Disable non-functional 3D radar controls
- Implement collapsible Display Options menu (defaults to collapsed)
- Add toast notifications for better error feedback
- Update version to 0.0.2 across all files and packages
- Improve Debian packaging with root-owner-group flag
- Update repository URLs to Forgejo instance
- Create comprehensive feature status documentation
- Created 10 detailed issues for all incomplete features (#5-#14)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

assets/static/js/app.js

@@ -107,6 +107,9 @@ class SkyView {
             });
         }
         
+        // Setup collapsible sections
+        this.setupCollapsibleSections();
+        
         const toggleDarkModeBtn = document.getElementById('toggle-dark-mode');
         if (toggleDarkModeBtn) {
             toggleDarkModeBtn.addEventListener('click', () => {
@@ -458,6 +461,43 @@ class SkyView {
             // Clean up old trail data, etc.
         }, 30000);
     }
+    
+    setupCollapsibleSections() {
+        // Setup Display Options collapsible
+        const displayHeader = document.getElementById('display-options-header');
+        const displayContent = document.getElementById('display-options-content');
+        
+        if (displayHeader && displayContent) {
+            displayHeader.addEventListener('click', () => {
+                const isCollapsed = displayContent.classList.contains('collapsed');
+                
+                if (isCollapsed) {
+                    // Expand
+                    displayContent.classList.remove('collapsed');
+                    displayHeader.classList.remove('collapsed');
+                } else {
+                    // Collapse
+                    displayContent.classList.add('collapsed');
+                    displayHeader.classList.add('collapsed');
+                }
+                
+                // Save state to localStorage
+                localStorage.setItem('displayOptionsCollapsed', !isCollapsed);
+            });
+            
+            // Restore saved state (default to collapsed)
+            const savedState = localStorage.getItem('displayOptionsCollapsed');
+            const shouldCollapse = savedState === null ? true : savedState === 'true';
+            
+            if (shouldCollapse) {
+                displayContent.classList.add('collapsed');
+                displayHeader.classList.add('collapsed');
+            } else {
+                displayContent.classList.remove('collapsed');
+                displayHeader.classList.remove('collapsed');
+            }
+        }
+    }
 }
 
 // Initialize application when DOM is ready

assets/static/js/modules/map-manager.js

@@ -352,8 +352,14 @@ export class MapManager {
     }
 
     createHeatmapOverlay(data) {
-        // Simplified heatmap implementation
-        // In production, would use proper heatmap library like Leaflet.heat
+        // 🚧 Under Construction: Heatmap visualization not yet implemented
+        // Planned: Use Leaflet.heat library for proper heatmap rendering
+        console.log('Heatmap overlay requested but not yet implemented');
+        
+        // Show user-visible notice
+        if (window.uiManager) {
+            window.uiManager.showError('Heatmap visualization is under construction 🚧');
+        }
     }
 
     setSelectedSource(sourceId) {

assets/static/js/modules/ui-manager.js

@@ -316,6 +316,22 @@ export class UIManager {
 
     showError(message) {
         console.error(message);
-        // Could implement toast notifications here
+        
+        // Simple toast notification implementation
+        const toast = document.createElement('div');
+        toast.className = 'toast-notification error';
+        toast.textContent = message;
+        
+        // Add to page
+        document.body.appendChild(toast);
+        
+        // Show toast with animation
+        setTimeout(() => toast.classList.add('show'), 100);
+        
+        // Auto-remove after 5 seconds
+        setTimeout(() => {
+            toast.classList.remove('show');
+            setTimeout(() => document.body.removeChild(toast), 300);
+        }, 5000);
     }
 }