fix: sync MCP schema exactly with memento-note (full copy)

Copy all models used by MCP tools with every field, relation, and
index from memento-note/prisma/schema.prisma. No more guessing
which relations are needed — it's an exact subset.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

mcp-server/prisma/schema.prisma

@@ -1,3 +1,9 @@
+// ============================================================================
+// MCP Server Schema — exact copy from memento-note (source of truth)
+// Only includes models used by MCP tools.
+// Do NOT modify independently — always sync with memento-note/prisma/schema.prisma
+// ============================================================================
+
 generator client {
   provider      = "prisma-client-js"
   output        = "../node_modules/.prisma/client"
@@ -9,79 +15,7 @@ datasource db {
   url      = env("DATABASE_URL")
 }
 
-model Note {
+// ── Core models (used by MCP tools) ─────────────────────────────────────────
-  id                 String              @id @default(cuid())
-  title              String?
-  content            String
-  color              String              @default("default")
-  isPinned           Boolean             @default(false)
-  isArchived         Boolean             @default(false)
-  trashedAt          DateTime?
-  type               String              @default("text")
-  dismissedFromRecent Boolean             @default(false)
-  checkItems         String?
-  labels             String?
-  images             String?
-  links              String?
-  reminder           DateTime?
-  isReminderDone     Boolean             @default(false)
-  reminderRecurrence String?
-  reminderLocation   String?
-  isMarkdown         Boolean             @default(false)
-  size               String              @default("small")
-  sharedWith         String?
-  userId             String?
-  order              Int                 @default(0)
-  notebookId         String?
-  createdAt          DateTime            @default(now())
-  updatedAt          DateTime            @updatedAt
-  contentUpdatedAt   DateTime            @default(now())
-  autoGenerated      Boolean?
-  aiProvider         String?
-  aiConfidence       Int?
-  language           String?
-  languageConfidence Float?
-  lastAiAnalysis     DateTime?
-  noteEmbedding      NoteEmbedding?
-}
-
-model NoteEmbedding {
-  id        String   @id @default(cuid())
-  noteId    String   @unique
-  embedding String
-  createdAt DateTime @default(now())
-  note      Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
-
-  @@index([noteId])
-}
-
-model Notebook {
-  id        String   @id @default(cuid())
-  name      String
-  icon      String?
-  color     String?
-  order     Int
-  userId    String
-  createdAt DateTime @default(now())
-  updatedAt DateTime @updatedAt
-  notes     Note[]
-  labels    Label[]
-}
-
-model Label {
-  id         String    @id @default(cuid())
-  name       String
-  color      String    @default("gray")
-  notebookId String?
-  userId     String?
-  createdAt  DateTime  @default(now())
-  updatedAt  DateTime  @updatedAt
-  notebook   Notebook? @relation(fields: [notebookId], references: [id], onDelete: Cascade)
-
-  @@unique([notebookId, name])
-  @@index([notebookId])
-  @@index([userId])
-}
 
 model User {
   id                 String              @id @default(cuid())
@@ -97,8 +31,136 @@ model User {
   resetTokenExpiry   DateTime?
   createdAt          DateTime            @default(now())
   updatedAt          DateTime            @updatedAt
+  accounts           Account[]
+  aiFeedback         AiFeedback[]
+  labels             Label[]
+  memoryEchoInsights MemoryEchoInsight[]
+  notes              Note[]
+  sentShares         NoteShare[]         @relation("SentShares")
+  receivedShares     NoteShare[]         @relation("ReceivedShares")
+  notebooks          Notebook[]
+  sessions           Session[]
+  aiSettings         UserAISettings?
 }
 
+model Notebook {
+  id        String   @id @default(cuid())
+  name      String
+  icon      String?
+  color     String?
+  order     Int
+  userId    String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+  labels    Label[]
+  notes     Note[]
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@index([userId, order])
+  @@index([userId])
+}
+
+model Label {
+  id         String    @id @default(cuid())
+  name       String
+  color      String    @default("gray")
+  notebookId String?
+  userId     String?
+  createdAt  DateTime  @default(now())
+  updatedAt  DateTime  @updatedAt
+  user       User?     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  notebook   Notebook? @relation(fields: [notebookId], references: [id], onDelete: Cascade)
+  notes      Note[]    @relation("LabelToNote")
+
+  @@unique([notebookId, name])
+  @@index([notebookId])
+  @@index([userId])
+}
+
+model Note {
+  id                  String              @id @default(cuid())
+  title               String?
+  content             String
+  color               String              @default("default")
+  isPinned            Boolean             @default(false)
+  isArchived          Boolean             @default(false)
+  trashedAt           DateTime?
+  type                String              @default("text")
+  dismissedFromRecent Boolean             @default(false)
+  checkItems          String?
+  labels              String?
+  images              String?
+  links               String?
+  reminder            DateTime?
+  isReminderDone      Boolean             @default(false)
+  reminderRecurrence  String?
+  reminderLocation    String?
+  isMarkdown          Boolean             @default(false)
+  size                String              @default("small")
+  sharedWith          String?
+  userId              String?
+  order               Int                 @default(0)
+  notebookId          String?
+  createdAt           DateTime            @default(now())
+  updatedAt           DateTime            @updatedAt
+  contentUpdatedAt    DateTime            @default(now())
+  autoGenerated       Boolean?
+  aiProvider          String?
+  aiConfidence        Int?
+  language            String?
+  languageConfidence  Float?
+  lastAiAnalysis      DateTime?
+  aiFeedback          AiFeedback[]
+  memoryEchoAsNote2   MemoryEchoInsight[] @relation("EchoNote2")
+  memoryEchoAsNote1   MemoryEchoInsight[] @relation("EchoNote1")
+  notebook            Notebook?           @relation(fields: [notebookId], references: [id])
+  user                User?               @relation(fields: [userId], references: [id], onDelete: Cascade)
+  shares              NoteShare[]
+  labelRelations      Label[]             @relation("LabelToNote")
+  noteEmbedding       NoteEmbedding?
+
+  @@index([isPinned])
+  @@index([isArchived])
+  @@index([trashedAt])
+  @@index([order])
+  @@index([reminder])
+  @@index([userId])
+  @@index([userId, notebookId])
+}
+
+model NoteEmbedding {
+  id        String   @id @default(cuid())
+  noteId    String   @unique
+  embedding String
+  createdAt DateTime @default(now())
+  note      Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
+
+  @@index([noteId])
+}
+
+model NoteShare {
+  id          String    @id @default(cuid())
+  noteId      String
+  userId      String
+  sharedBy    String
+  status      String    @default("pending")
+  permission  String    @default("view")
+  notifiedAt  DateTime?
+  respondedAt DateTime?
+  createdAt   DateTime  @default(now())
+  updatedAt   DateTime  @updatedAt
+  sharer      User      @relation("SentShares", fields: [sharedBy], references: [id], onDelete: Cascade)
+  user        User      @relation("ReceivedShares", fields: [userId], references: [id], onDelete: Cascade)
+  note        Note      @relation(fields: [noteId], references: [id], onDelete: Cascade)
+
+  @@unique([noteId, userId])
+  @@index([userId])
+  @@index([status])
+  @@index([sharedBy])
+}
+
+// ── Supporting models (used for auth, AI features, config) ──────────────────
+
 model Account {
   userId            String
   type              String
@@ -113,6 +175,7 @@ model Account {
   session_state     String?
   createdAt         DateTime @default(now())
   updatedAt         DateTime @updatedAt
+  user              User     @relation(fields: [userId], references: [id], onDelete: Cascade)
 
   @@id([provider, providerAccountId])
 }
@@ -123,6 +186,7 @@ model Session {
   expires      DateTime
   createdAt    DateTime @default(now())
   updatedAt    DateTime @updatedAt
+  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
 }
 
 model VerificationToken {
@@ -133,21 +197,6 @@ model VerificationToken {
   @@id([identifier, token])
 }
 
-model NoteShare {
-  id          String    @id @default(cuid())
-  noteId      String
-  userId      String
-  sharedBy    String
-  status      String    @default("pending")
-  permission  String    @default("view")
-  notifiedAt  DateTime?
-  respondedAt DateTime?
-  createdAt   DateTime  @default(now())
-  updatedAt   DateTime  @updatedAt
-
-  @@unique([noteId, userId])
-}
-
 model SystemConfig {
   key   String @id
   value String
@@ -162,7 +211,13 @@ model AiFeedback {
   originalContent  String
   correctedContent String?
   metadata         String?
-  createdAt        DateTime  @default(now())
+  createdAt        DateTime @default(now())
+  user             User?    @relation(fields: [userId], references: [id], onDelete: Cascade)
+  note             Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
+
+  @@index([noteId])
+  @@index([userId])
+  @@index([feature])
 }
 
 model MemoryEchoInsight {
@@ -176,24 +231,35 @@ model MemoryEchoInsight {
   viewed          Boolean  @default(false)
   feedback        String?
   dismissed       Boolean  @default(false)
+  user            User?    @relation(fields: [userId], references: [id], onDelete: Cascade)
+  note2           Note     @relation("EchoNote2", fields: [note2Id], references: [id], onDelete: Cascade)
+  note1           Note     @relation("EchoNote1", fields: [note1Id], references: [id], onDelete: Cascade)
 
   @@unique([userId, insightDate])
+  @@index([userId, insightDate])
+  @@index([userId, dismissed])
 }
 
 model UserAISettings {
-  userId                 String  @id
+  userId              String  @id
-  titleSuggestions       Boolean @default(true)
+  titleSuggestions    Boolean @default(true)
-  semanticSearch         Boolean @default(true)
+  semanticSearch      Boolean @default(true)
-  paragraphRefactor      Boolean @default(true)
+  paragraphRefactor   Boolean @default(true)
-  memoryEcho             Boolean @default(true)
+  memoryEcho          Boolean @default(true)
-  memoryEchoFrequency    String  @default("daily")
+  memoryEchoFrequency String  @default("daily")
-  aiProvider             String  @default("auto")
+  aiProvider          String  @default("auto")
-  preferredLanguage      String  @default("auto")
+  preferredLanguage   String  @default("auto")
-  fontSize               String  @default("medium")
+  fontSize            String  @default("medium")
-  demoMode               Boolean @default(false)
+  demoMode            Boolean @default(false)
-  showRecentNotes        Boolean @default(true)
+  showRecentNotes     Boolean @default(true)
-  notesViewMode          String  @default("masonry")
+  notesViewMode       String  @default("masonry")
-  emailNotifications      Boolean @default(false)
+  emailNotifications  Boolean @default(false)
-  desktopNotifications   Boolean @default(false)
+  desktopNotifications Boolean @default(false)
-  anonymousAnalytics      Boolean @default(false)
+  anonymousAnalytics  Boolean @default(false)
+  user                User    @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@index([memoryEcho])
+  @@index([aiProvider])
+  @@index([memoryEchoFrequency])
+  @@index([preferredLanguage])
 }