chore: clean up repo for public release

- Remove BMAD framework, IDE configs, dev screenshots, test files,
  internal docs, and backup files
- Rename keep-notes/ to memento-note/
- Update all references from keep-notes to memento-note
- Add Apache 2.0 license with Commons Clause (non-commercial restriction)
- Add clean .gitignore and .env.docker.example

memento-note/app/test-title-suggestions/page.tsx

@@ -0,0 +1,61 @@
+'use client'
+
+import { useState } from 'react'
+import { useTitleSuggestions } from '@/hooks/use-title-suggestions'
+
+export default function TestTitleSuggestionsPage() {
+  const [content, setContent] = useState('')
+
+  const { suggestions, isAnalyzing, error } = useTitleSuggestions({
+    content,
+    enabled: true // Always enabled for testing
+  })
+
+  const wordCount = content.split(/\s+/).filter(w => w.length > 0).length
+
+  return (
+    <div style={{ padding: '20px', maxWidth: '800px', margin: '0 auto' }}>
+      <h1>Test Title Suggestions</h1>
+
+      <div style={{ marginBottom: '20px' }}>
+        <label>Content (need 50+ words):</label>
+        <textarea
+          value={content}
+          onChange={(e) => setContent(e.target.value)}
+          style={{ width: '100%', height: '200px', marginTop: '10px' }}
+          placeholder="Type at least 50 words here..."
+        />
+      </div>
+
+      <div style={{ marginBottom: '20px', padding: '10px', background: '#f0f0f0' }}>
+        <p><strong>Word count:</strong> {wordCount} / 50</p>
+        <p><strong>Status:</strong> {isAnalyzing ? 'Analyzing...' : 'Idle'}</p>
+        {error && <p style={{ color: 'red' }}><strong>Error:</strong> {error}</p>}
+      </div>
+
+      <div>
+        <h2>Suggestions ({suggestions.length}):</h2>
+        {suggestions.length > 0 ? (
+          <ul>
+            {suggestions.map((s, i) => (
+              <li key={i}>
+                <strong>{s.title}</strong> (confidence: {s.confidence}%)
+                {s.reasoning && <p>→ {s.reasoning}</p>}
+              </li>
+            ))}
+          </ul>
+        ) : (
+          <p style={{ color: '#666' }}>No suggestions yet. Type 50+ words and wait 2 seconds.</p>
+        )}
+      </div>
+
+      <div style={{ marginTop: '20px' }}>
+        <button onClick={() => {
+          setContent('word '.repeat(50))
+        }}>
+          Fill with 50 words (test)
+        </button>
+      </div>
+    </div>
+  )
+}