diff --git a/src/features/backlinks/BacklinksSlice.ts b/src/features/backlinks/BacklinksSlice.ts
index c20136b..59ac201 100644
--- a/src/features/backlinks/BacklinksSlice.ts
+++ b/src/features/backlinks/BacklinksSlice.ts
@@ -353,6 +353,7 @@ export class BacklinksSlice implements IPluginSlice, IBacklinksSlice {
      */
     setOptions(options: {
         sort?: boolean;
+        sortDescending?: boolean;
         collapsed?: boolean;
         strategy?: string;
         theme?: string;
diff --git a/src/features/backlinks/ui/BacklinksViewController.ts b/src/features/backlinks/ui/BacklinksViewController.ts
index 223c4d0..19c5616 100644
--- a/src/features/backlinks/ui/BacklinksViewController.ts
+++ b/src/features/backlinks/ui/BacklinksViewController.ts
@@ -199,6 +199,7 @@ export class BacklinksViewController {
      */
     setOptions(options: {
         sort?: boolean;
+        sortDescending?: boolean;
         collapsed?: boolean;
         strategy?: string;
         theme?: string;
@@ -210,6 +211,8 @@ export class BacklinksViewController {
         const updatedState = this.headerController.updateStateFromOptions(options);
 
         this.renderOptions.collapsed = updatedState.isCollapsed;
+        this.renderOptions.sortByPath = updatedState.sortByPath;
+        this.renderOptions.sortDescending = updatedState.sortDescending;
         this.currentTheme = updatedState.currentTheme;
 
         this.applyCurrentOptions();
@@ -260,9 +263,22 @@ export class BacklinksViewController {
 
         const newState = this.headerController.toggleSort();
 
+        // Keep render options in sync with header state
+        this.renderOptions.sortByPath = newState.sortByPath;
+        this.renderOptions.sortDescending = newState.sortDescending;
+
         if (this.lastRenderContext) {
             this.applySortingToDOM(this.lastRenderContext.container, newState.sortDescending);
         }
+
+        // Persist sort direction to settings via DOM custom event
+        const event = new CustomEvent('coalesce-settings-sort-changed', {
+            detail: {
+                sortByPath: newState.sortByPath,
+                descending: newState.sortDescending
+            }
+        });
+        document.dispatchEvent(event);
     }
 
     private handleCollapseToggle(): void {
@@ -302,6 +318,12 @@ export class BacklinksViewController {
         this.currentTheme = newState.currentTheme;
 
         this.applyThemeToContainer(newState.currentTheme);
+
+        // Persist theme selection to settings via DOM custom event
+        const event = new CustomEvent('coalesce-settings-theme-changed', {
+            detail: { theme: newState.currentTheme }
+        });
+        document.dispatchEvent(event);
     }
 
     private handleHeaderStyleChange(style: string): void {
diff --git a/src/features/backlinks/ui/HeaderController.ts b/src/features/backlinks/ui/HeaderController.ts
index fa4c65a..3ad781a 100644
--- a/src/features/backlinks/ui/HeaderController.ts
+++ b/src/features/backlinks/ui/HeaderController.ts
@@ -290,6 +290,7 @@ export class HeaderController {
      */
     updateStateFromOptions(options: {
         sort?: boolean;
+        sortDescending?: boolean;
         collapsed?: boolean;
         strategy?: string;
         theme?: string;
@@ -304,6 +305,10 @@ export class HeaderController {
             updated.sortByPath = options.sort;
         }
 
+        if (options.sortDescending !== undefined) {
+            updated.sortDescending = options.sortDescending;
+        }
+
         if (options.collapsed !== undefined) {
             updated.isCollapsed = options.collapsed;
         }
diff --git a/src/features/settings/core/SettingsCore.ts b/src/features/settings/core/SettingsCore.ts
index 874f3e1..edaadd5 100644
--- a/src/features/settings/core/SettingsCore.ts
+++ b/src/features/settings/core/SettingsCore.ts
@@ -282,16 +282,23 @@ export class SettingsCore {
 
     /**
      * Handle sort state change from header slice.
+     *
+     * Persists both the sort direction and whether path-based sorting is enabled,
+     * mapping the in-memory header state to the persisted settings fields.
      */
     async handleSortStateChange(payload: { sortByPath: boolean; descending: boolean }): Promise<void> {
-        const descending = payload?.descending || false;
-        this.logger.debug('Handling sort state change', { descending });
+        const descending = payload?.descending ?? false;
+        const sortByPath = payload?.sortByPath ?? false;
+        this.logger.debug('Handling sort state change', { sortByPath, descending });
 
         try {
-            await this.updateSetting('sortDescending', descending);
-            this.logger.debug('Sort direction saved to settings', { descending });
+            await this.updateSettings({
+                sortDescending: descending,
+                sortByFullPath: sortByPath
+            });
+            this.logger.debug('Sort settings saved', { sortByPath, descending });
         } catch (error) {
-            this.logger.error('Failed to save sort direction to settings', { descending, error });
+            this.logger.error('Failed to save sort settings', { sortByPath, descending, error });
         }
     }
 
diff --git a/src/orchestrator/PluginEvents.ts b/src/orchestrator/PluginEvents.ts
index d633af0..8e3f0ec 100644
--- a/src/orchestrator/PluginEvents.ts
+++ b/src/orchestrator/PluginEvents.ts
@@ -45,6 +45,62 @@ export function registerPluginEvents(
     }
   });
 
+  // coalesce-settings-sort-changed
+  document.addEventListener('coalesce-settings-sort-changed', (event: CustomEvent) => {
+    const { sortByPath, descending } = event.detail || {};
+    logger?.debug?.('Received coalesce-settings-sort-changed event', {
+      sortByPath,
+      descending,
+    });
+
+    try {
+      const settingsSlice = orchestrator.getSlice('settings') as any;
+      if (settingsSlice && typeof settingsSlice.handleSortStateChange === 'function') {
+        settingsSlice.handleSortStateChange({
+          sortByPath: !!sortByPath,
+          descending: !!descending,
+        });
+      } else {
+        logger?.warn?.(
+          'Settings slice not available or handleSortStateChange method not found',
+        );
+      }
+    } catch (error) {
+      logger?.error?.('Failed to handle coalesce-settings-sort-changed event', {
+        sortByPath,
+        descending,
+        error,
+      });
+    }
+  });
+
+  // coalesce-settings-theme-changed
+  document.addEventListener('coalesce-settings-theme-changed', (event: CustomEvent) => {
+    const { theme } = event.detail || {};
+    logger?.debug?.('Received coalesce-settings-theme-changed event', { theme });
+
+    if (!theme) {
+      return;
+    }
+
+    try {
+      const settingsSlice = orchestrator.getSlice('settings') as any;
+      if (settingsSlice && typeof settingsSlice.updateSetting === 'function') {
+        // Fire-and-forget persistence of theme changes from the header UI
+        void settingsSlice.updateSetting('theme', theme);
+      } else {
+        logger?.warn?.(
+          'Settings slice not available or updateSetting method not found for theme change',
+        );
+      }
+    } catch (error) {
+      logger?.error?.('Failed to handle coalesce-settings-theme-changed event', {
+        theme,
+        error,
+      });
+    }
+  });
+
   // coalesce-logging-state-changed
   document.addEventListener('coalesce-logging-state-changed', (event: CustomEvent) => {
     const { enabled } = event.detail;
@@ -202,6 +258,7 @@ export function registerPluginEvents(
 
           (backlinks as any)?.setOptions?.({
             sort: settings.sortByFullPath || false,
+            sortDescending: settings.sortDescending ?? true,
             collapsed: settings.blocksCollapsed || false,
             strategy: 'default',
             theme: settings.theme || 'default',
diff --git a/src/orchestrator/PluginViewInitializer.ts b/src/orchestrator/PluginViewInitializer.ts
index a6de91a..c082929 100644
--- a/src/orchestrator/PluginViewInitializer.ts
+++ b/src/orchestrator/PluginViewInitializer.ts
@@ -143,6 +143,7 @@ export class PluginViewInitializer {
           if (uiAttached) {
             backlinksSlice.setOptions?.({
               sort: settings.sortByFullPath || false,
+              sortDescending: settings.sortDescending ?? true,
               collapsed: settings.blocksCollapsed || false,
               strategy: 'default', // Default strategy
               theme: settings.theme || 'default',