feat(core): add experimental memory manager agent to replace save_memory tool (#22726)

Co-authored-by: Christian Gunderman <gundermanc@gmail.com>

packages/cli/src/config/settingsSchema.ts

@@ -2045,6 +2045,16 @@ const SETTINGS_SCHEMA = {
           },
         },
       },
+      memoryManager: {
+        type: 'boolean',
+        label: 'Memory Manager Agent',
+        category: 'Experimental',
+        requiresRestart: true,
+        default: false,
+        description:
+          'Replace the built-in save_memory tool with a memory manager subagent that supports adding, removing, de-duplicating, and organizing memories.',
+        showInDialog: true,
+      },
       topicUpdateNarration: {
         type: 'boolean',
         label: 'Topic & Update Narration',