fix: 修复穷鬼模式的写入问题

src/commands/poor/poorMode.ts

@@ -1,14 +1,24 @@
 /**
  * Poor mode state — when active, skips extract_memories and prompt_suggestion
  * to reduce token consumption.
+ *
+ * Persisted to settings.json so it survives session restarts.
  */
 
-let poorModeActive = false
+import { getInitialSettings, updateSettingsForSource } from '../../utils/settings/settings.js'
+
+let poorModeActive: boolean | null = null
 
 export function isPoorModeActive(): boolean {
+  if (poorModeActive === null) {
+    poorModeActive = getInitialSettings().poorMode === true
+  }
   return poorModeActive
 }
 
 export function setPoorMode(active: boolean): void {
   poorModeActive = active
+  updateSettingsForSource('userSettings', {
+    poorMode: active || undefined,
+  })
 }