feat: Add info panel persistence setting and magnet icon to allow displaying last hovered node info.

src/shared/icons.ts

@@ -77,6 +77,11 @@ export const Icons = {
         <path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/>
         <polyline points="3.27 6.96 12 12.01 20.73 6.96"/>
         <line x1="12" y1="22.08" x2="12" y2="12"/>
+    </svg>`,
+
+    // Magnet icon - persist/sticky mode
+    magnet: `<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+        <path d="m6 15-4-4 6.75-6.77a7.79 7.79 0 0 1 11 11L13 22l-4-4 6.39-6.36a2.2 2.2 0 0 0-3.1-3.13l-6.29 6.49Z"/>
     </svg>`
 };
 

src/shared/settings/defaults.ts

@@ -57,4 +57,5 @@ export const DEFAULT_PANEL_SETTINGS: PanelSettings = {
     "🔍MagnifyGlass.InfoPanelTextColor": "#6b7280",
     "🔍MagnifyGlass.InfoPanelAccentColor": "#3b82f6",
     "🔍MagnifyGlass.InfoPanelFontSize": 14,
+    "🔍MagnifyGlass.InfoPanelPersist": false,
 };

src/shared/settings/panelSettings.ts

@@ -128,6 +128,22 @@ export function registerPanelSettings(stateManager: any, uiManager: any, positio
         }
     });
 
+    app.ui.settings.addSetting({
+        id: "🔍MagnifyGlass.InfoPanelPersist",
+        name: "📊 Info Panel: Persist Node Info",
+        type: "boolean",
+        defaultValue: settings["🔍MagnifyGlass.InfoPanelPersist"],
+        tooltip: "Keep displaying the last node's info until you hover over another node.",
+        onChange: (value: any) => {
+            if (stateManager) {
+                stateManager.state.settings["🔍MagnifyGlass.InfoPanelPersist"] = !!value;
+                if (uiManager) {
+                    uiManager.updateControlStates();
+                }
+            }
+        }
+    });
+
     app.ui.settings.addSetting({
         id: "🔍MagnifyGlass.InfoPanelAnimations",
         name: "📊 Info Panel: Animations",

src/shared/settings/types.ts

@@ -45,6 +45,7 @@ export interface PanelSettings {
     "🔍MagnifyGlass.InfoPanelTextColor": string;
     "🔍MagnifyGlass.InfoPanelAccentColor": string;
     "🔍MagnifyGlass.InfoPanelFontSize": number;
+    "🔍MagnifyGlass.InfoPanelPersist": boolean;
     [key: string]: string | number | boolean; // Allow indexing
 }