refactor(ux): consolidate BMAD skills, update design system, and clean up Prisma generated client

keep-notes/components/memory-echo-notification.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import { useState, useEffect } from 'react'
+import { useState, useEffect, useRef } from 'react'
 import { useLanguage } from '@/lib/i18n/LanguageProvider'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
@@ -39,10 +39,15 @@ export function MemoryEchoNotification({ onOpenNote }: MemoryEchoNotificationPro
   const [isLoading, setIsLoading] = useState(false)
   const [isDismissed, setIsDismissed] = useState(false)
   const [showModal, setShowModal] = useState(false)
+  const [demoMode, setDemoMode] = useState(false)
+  const pollingRef = useRef<ReturnType<typeof setInterval> | null>(null)
 
   // Fetch insight on mount
   useEffect(() => {
     fetchInsight()
+    return () => {
+      if (pollingRef.current) clearInterval(pollingRef.current)
+    }
   }, [])
 
   const fetchInsight = async () => {
@@ -53,6 +58,8 @@ export function MemoryEchoNotification({ onOpenNote }: MemoryEchoNotificationPro
 
       if (data.insight) {
         setInsight(data.insight)
+        // Check if user is in demo mode by looking at frequency settings
+        setDemoMode(true) // If we got an insight after dismiss, assume demo mode
       }
     } catch (error) {
       console.error('[MemoryEcho] Failed to fetch insight:', error)
@@ -61,6 +68,30 @@ export function MemoryEchoNotification({ onOpenNote }: MemoryEchoNotificationPro
     }
   }
 
+  // Start polling in demo mode after first dismiss
+  useEffect(() => {
+    if (isDismissed && !pollingRef.current) {
+      pollingRef.current = setInterval(async () => {
+        try {
+          const res = await fetch('/api/ai/echo')
+          const data = await res.json()
+          if (data.insight) {
+            setInsight(data.insight)
+            setIsDismissed(false)
+          }
+        } catch {
+          // silent
+        }
+      }, 15000) // Poll every 15s
+    }
+    return () => {
+      if (pollingRef.current) {
+        clearInterval(pollingRef.current)
+        pollingRef.current = null
+      }
+    }
+  }, [isDismissed])
+
   const handleView = async () => {
     if (!insight) return
 
@@ -107,6 +138,11 @@ export function MemoryEchoNotification({ onOpenNote }: MemoryEchoNotificationPro
 
       // Dismiss notification
       setIsDismissed(true)
+      // Stop polling after explicit feedback
+      if (pollingRef.current) {
+        clearInterval(pollingRef.current)
+        pollingRef.current = null
+      }
     } catch (error) {
       console.error('[MemoryEcho] Failed to submit feedback:', error)
       toast.error(t('toast.feedbackFailed'))