feat: rename keep-notes to memento-note, migrate to PostgreSQL, fix MCP bugs

- Rename directory keep-notes -> memento-note with all code references
- Prisma: SQLite -> PostgreSQL (both app and MCP server schemas)
- Sync MCP schema with main app (add missing fields, relations, indexes)
- Delete 17 SQLite migrations (clean slate for PostgreSQL)
- Remove SQLite dependencies (@libsql/client, better-sqlite3, etc.)
- Fix MCP server: hardcoded Windows DB paths -> DATABASE_URL env var
- Fix MCP server: .dockerignore excluded index-sse.js (SSE mode broken)
- MCP Dockerfile: node:20 -> node:22
- Docker Compose: add postgres service, remove SQLite volume
- Generate favicon.ico, icon-192.png, icon-512.png, apple-icon.png
- Update layout.tsx icons and manifest.json for PNG icons
- Update all .env files for PostgreSQL
- Rewrite README.md with updated sections
- Remove mcp-server/node_modules and prisma/client-generated from git tracking

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

memento-note/components/settings/SettingInput.tsx

@@ -0,0 +1,87 @@
+'use client'
+
+import { useState } from 'react'
+import { Label } from '@/components/ui/label'
+import { Loader2, Check } from 'lucide-react'
+import { cn } from '@/lib/utils'
+import { toast } from 'sonner'
+import { useLanguage } from '@/lib/i18n'
+
+interface SettingInputProps {
+  label: string
+  description?: string
+  value: string
+  type?: 'text' | 'password' | 'email' | 'url'
+  onChange: (value: string) => Promise<void>
+  placeholder?: string
+  disabled?: boolean
+}
+
+export function SettingInput({
+  label,
+  description,
+  value,
+  type = 'text',
+  onChange,
+  placeholder,
+  disabled
+}: SettingInputProps) {
+  const { t } = useLanguage()
+  const [isLoading, setIsLoading] = useState(false)
+  const [isSaved, setIsSaved] = useState(false)
+
+  const handleChange = async (newValue: string) => {
+    setIsLoading(true)
+    setIsSaved(false)
+
+    try {
+      await onChange(newValue)
+      setIsSaved(true)
+      toast.success(t('toast.saved'))
+
+      setTimeout(() => setIsSaved(false), 2000)
+    } catch (err) {
+      console.error('Error updating setting:', err)
+      toast.error(t('toast.saveFailed'))
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
+  return (
+    <div className={cn('py-4', 'border-b last:border-0 dark:border-gray-800')}>
+      <Label className="font-medium text-gray-900 dark:text-gray-100 block mb-1">
+        {label}
+      </Label>
+      {description && (
+        <p className="text-sm text-gray-600 dark:text-gray-400 mb-2">
+          {description}
+        </p>
+      )}
+      <div className="relative">
+        <input
+          type={type}
+          value={value}
+          onChange={(e) => handleChange(e.target.value)}
+          placeholder={placeholder}
+          disabled={disabled || isLoading}
+          className={cn(
+            'w-full px-3 py-2 border rounded-lg',
+            'focus:ring-2 focus:ring-primary-500 focus:border-transparent',
+            'disabled:opacity-50 disabled:cursor-not-allowed',
+            'bg-white dark:bg-gray-900',
+            'border-gray-300 dark:border-gray-700',
+            'text-gray-900 dark:text-gray-100',
+            'placeholder:text-gray-400 dark:placeholder:text-gray-600'
+          )}
+        />
+        {isLoading && (
+          <Loader2 className="absolute right-3 top-1/2 -translate-y-1/2 h-4 w-4 animate-spin text-gray-500" />
+        )}
+        {isSaved && !isLoading && (
+          <Check className="absolute right-3 top-1/2 -translate-y-1/2 h-4 w-4 text-green-500" />
+        )}
+      </div>
+    </div>
+  )
+}