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/lib/ai/services/index.ts

@@ -0,0 +1,91 @@
+/**
+ * AI Services Index
+ * Central exports for all AI-powered services
+ */
+
+// Language Detection
+export { LanguageDetectionService } from './language-detection.service'
+
+// Title Suggestions
+export {
+  TitleSuggestionService,
+  titleSuggestionService,
+  type TitleSuggestion
+} from './title-suggestion.service'
+
+// Embeddings
+export {
+  EmbeddingService,
+  embeddingService,
+  type EmbeddingResult
+} from './embedding.service'
+
+// Semantic Search
+export {
+  SemanticSearchService,
+  semanticSearchService,
+  type SearchResult,
+  type SearchOptions
+} from './semantic-search.service'
+
+// Paragraph Refactor
+export {
+  ParagraphRefactorService,
+  paragraphRefactorService,
+  type RefactorMode,
+  type RefactorOption,
+  type RefactorResult,
+  REFACTOR_OPTIONS
+} from './paragraph-refactor.service'
+
+// Memory Echo
+export {
+  MemoryEchoService,
+  memoryEchoService,
+  type MemoryEchoInsight
+} from './memory-echo.service'
+
+// Batch Organization
+export {
+  BatchOrganizationService,
+  batchOrganizationService,
+  type NoteForOrganization,
+  type NotebookOrganization,
+  type OrganizationPlan
+} from './batch-organization.service'
+
+// Auto Label Creation
+export {
+  AutoLabelCreationService,
+  autoLabelCreationService,
+  type SuggestedLabel,
+  type AutoLabelSuggestion
+} from './auto-label-creation.service'
+
+// Notebook Summary
+export {
+  NotebookSummaryService,
+  notebookSummaryService,
+  type NotebookSummary
+} from './notebook-summary.service'
+
+// Chat
+export {
+  ChatService,
+  chatService,
+  type ChatResponse
+} from './chat.service'
+
+// Scrape
+export {
+  ScrapeService,
+  scrapeService,
+  type ScrapedContent
+} from './scrape.service'
+
+// Tool Registry
+export {
+  toolRegistry,
+  type ToolContext,
+  type RegisteredTool
+} from '../tools'