Revert "feat: v2 widget dashboard system"

src/core/state.js

@@ -159,43 +159,7 @@ export let extensionSettings = {
         assets: 'list'    // 'list' or 'grid' view mode for Assets section
     },
     debugMode: false, // Enable debug logging visible in UI (for mobile debugging)
-    memoryMessagesToProcess: 16, // Number of messages to process per batch in memory recollection
-
-    // Dashboard v2.0 Configuration
-    dashboard: {
-        version: 2, // Dashboard config version
-
-        gridConfig: {
-            // Columns calculated dynamically by GridEngine (2-4 based on panel width)
-            // Mobile (≤1000px screen): always 2 columns
-            // Desktop (>1000px screen): 2-4 columns based on panel width
-            rowHeight: 5,          // rem units for responsive scaling
-            gap: 0.75,             // rem units (was 12px)
-            snapToGrid: true,      // Auto-snap enabled
-            showGrid: true         // Show grid lines in edit mode
-        },
-
-        tabs: [
-            // Default tabs will be generated by generateDefaultDashboard()
-            // Structure:
-            // {
-            //   id: 'tab-status',
-            //   name: 'Status',
-            //   icon: '📊',
-            //   order: 0,
-            //   widgets: [
-            //     {
-            //       id: 'widget-1',
-            //       type: 'userStats',
-            //       x: 0, y: 0, w: 6, h: 3,
-            //       config: {}
-            //     }
-            //   ]
-            // }
-        ],
-
-        defaultTab: 'tab-status' // Which tab to show on load
-    }
+    memoryMessagesToProcess: 16 // Number of messages to process per batch in memory recollection
 };
 
 /**