feat: add slides generation tool with multiple slide types

- Add slides.tool.ts with support for title, bullets, chart, stats, table, cards, timeline, quote, comparison, equation, image, summary slide types
- Chart types: bar, horizontal-bar, line, donut, radar
- Integrate with agent executor and canvas system
- Add multilingual support (en/fr)
- Various UI improvements and bug fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

memento-note/lib/ai/services/memory-echo.service.ts

@@ -3,6 +3,8 @@ import { cosineSimilarity } from '@/lib/utils'
 import { embeddingService } from './embedding.service'
 import { getSystemConfig } from '@/lib/config'
 import prisma from '@/lib/prisma'
+import { Prisma } from '@prisma/client'
+import { upsertNoteEmbedding } from '@/lib/embeddings'
 
 export interface NoteConnection {
   note1: {
@@ -79,15 +81,7 @@ export class MemoryEchoService {
         try {
           const embedding = await provider.getEmbeddings(note.content.slice(0, 15000))
           if (embedding && embedding.length > 0) {
-            const vecStr = `[${embedding.join(',')}]`
-            await prisma.$executeRawUnsafe(
-              `INSERT INTO "NoteEmbedding" ("id", "noteId", "embedding", "createdAt")
-               VALUES (gen_random_uuid(), $1, $2::vector, now())
-               ON CONFLICT ("noteId")
-               DO UPDATE SET "embedding" = $2::vector`,
-              note.id,
-              vecStr
-            )
+            await upsertNoteEmbedding(note.id, embedding)
           }
         } catch {
           // Skip this note, continue with others
@@ -131,8 +125,8 @@ export class MemoryEchoService {
 
     // Fetch embeddings separately using raw SQL to avoid deserialization error
     const noteIds = notes.map(n => n.id)
-    const embeddings: Array<{ noteId: string, embedding: any }> = await prisma.$queryRawUnsafe(
-      `SELECT "noteId", "embedding"::text FROM "NoteEmbedding" WHERE "noteId" IN (${noteIds.map(id => `'${id}'`).join(',')})`
+    const embeddings = noteIds.length === 0 ? [] : await prisma.$queryRaw<Array<{ noteId: string, embedding: any }>>(
+      Prisma.sql`SELECT "noteId", "embedding"::text FROM "NoteEmbedding" WHERE "noteId" IN (${Prisma.join(noteIds)})`
     )
     const embeddingMap = new Map(embeddings.map(e => [e.noteId, e.embedding]))
 
@@ -526,8 +520,8 @@ Explain in one brief sentence (max 15 words) why these notes are connected. Focu
 
     // Fetch all other embeddings
     const otherNoteIds = otherNotes.map(n => n.id)
-    const otherEmbeddings: Array<{ noteId: string, embedding: any }> = await prisma.$queryRawUnsafe(
-      `SELECT "noteId", "embedding"::text FROM "NoteEmbedding" WHERE "noteId" IN (${otherNoteIds.map(id => `'${id}'`).join(',')})`
+    const otherEmbeddings = otherNoteIds.length === 0 ? [] : await prisma.$queryRaw<Array<{ noteId: string, embedding: any }>>(
+      Prisma.sql`SELECT "noteId", "embedding"::text FROM "NoteEmbedding" WHERE "noteId" IN (${Prisma.join(otherNoteIds)})`
     )
     const otherEmbeddingMap = new Map(otherEmbeddings.map(e => [e.noteId, e.embedding]))