feat(#2): Implement PostgreSQL 17 + pgvector database schema
Establishes multi-tenant database layer with vector similarity search for AI-powered memory features. Includes Docker infrastructure, Prisma ORM integration, NestJS services, and shared types across the monorepo. Key changes: - Docker: PostgreSQL 17 + pgvector v0.7.4, Valkey cache - Schema: 8 models (User, Workspace, Task, Event, Project, ActivityLog, MemoryEmbedding) with RLS preparation - NestJS: PrismaModule, DatabaseModule, EmbeddingsService - Shared: Type-safe enums, constants, and database types Fixes #2 Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Jason Woltje
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apps/api/prisma/schema.prisma
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253
apps/api/prisma/schema.prisma
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// Mosaic Stack Database Schema
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// PostgreSQL 17 with pgvector extension
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generator client {
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provider = "prisma-client-js"
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previewFeatures = ["postgresqlExtensions"]
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}
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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extensions = [pgvector(map: "vector"), uuid_ossp(map: "uuid-ossp")]
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}
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// ============================================
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// ENUMS
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// ============================================
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enum TaskStatus {
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NOT_STARTED
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IN_PROGRESS
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PAUSED
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COMPLETED
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ARCHIVED
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}
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enum TaskPriority {
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LOW
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MEDIUM
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HIGH
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}
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enum ProjectStatus {
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PLANNING
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ACTIVE
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PAUSED
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COMPLETED
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ARCHIVED
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}
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enum WorkspaceMemberRole {
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OWNER
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ADMIN
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MEMBER
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GUEST
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}
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enum ActivityAction {
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CREATED
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UPDATED
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DELETED
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COMPLETED
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ASSIGNED
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COMMENTED
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}
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enum EntityType {
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TASK
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EVENT
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PROJECT
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WORKSPACE
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USER
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}
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// ============================================
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// MODELS
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// ============================================
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model User {
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id String @id @default(uuid()) @db.Uuid
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email String @unique
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name String
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authProviderId String? @unique @map("auth_provider_id")
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preferences Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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ownedWorkspaces Workspace[] @relation("WorkspaceOwner")
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workspaceMemberships WorkspaceMember[]
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assignedTasks Task[] @relation("TaskAssignee")
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createdTasks Task[] @relation("TaskCreator")
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createdEvents Event[] @relation("EventCreator")
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createdProjects Project[] @relation("ProjectCreator")
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activityLogs ActivityLog[]
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@@map("users")
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}
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model Workspace {
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id String @id @default(uuid()) @db.Uuid
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name String
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ownerId String @map("owner_id") @db.Uuid
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settings Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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owner User @relation("WorkspaceOwner", fields: [ownerId], references: [id], onDelete: Cascade)
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members WorkspaceMember[]
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tasks Task[]
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events Event[]
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projects Project[]
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activityLogs ActivityLog[]
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memoryEmbeddings MemoryEmbedding[]
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@@index([ownerId])
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@@map("workspaces")
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}
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model WorkspaceMember {
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workspaceId String @map("workspace_id") @db.Uuid
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userId String @map("user_id") @db.Uuid
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role WorkspaceMemberRole @default(MEMBER)
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joinedAt DateTime @default(now()) @map("joined_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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@@id([workspaceId, userId])
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@@index([userId])
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@@map("workspace_members")
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}
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model Task {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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title String
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description String? @db.Text
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status TaskStatus @default(NOT_STARTED)
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priority TaskPriority @default(MEDIUM)
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dueDate DateTime? @map("due_date") @db.Timestamptz
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assigneeId String? @map("assignee_id") @db.Uuid
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creatorId String @map("creator_id") @db.Uuid
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projectId String? @map("project_id") @db.Uuid
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parentId String? @map("parent_id") @db.Uuid
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sortOrder Int @default(0) @map("sort_order")
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metadata Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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completedAt DateTime? @map("completed_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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assignee User? @relation("TaskAssignee", fields: [assigneeId], references: [id], onDelete: SetNull)
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creator User @relation("TaskCreator", fields: [creatorId], references: [id], onDelete: Cascade)
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project Project? @relation(fields: [projectId], references: [id], onDelete: SetNull)
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parent Task? @relation("TaskSubtasks", fields: [parentId], references: [id], onDelete: Cascade)
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subtasks Task[] @relation("TaskSubtasks")
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@@index([workspaceId])
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@@index([workspaceId, status])
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@@index([workspaceId, dueDate])
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@@index([assigneeId])
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@@index([projectId])
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@@index([parentId])
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@@map("tasks")
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}
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model Event {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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title String
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description String? @db.Text
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startTime DateTime @map("start_time") @db.Timestamptz
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endTime DateTime? @map("end_time") @db.Timestamptz
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allDay Boolean @default(false) @map("all_day")
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location String?
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recurrence Json?
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creatorId String @map("creator_id") @db.Uuid
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projectId String? @map("project_id") @db.Uuid
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metadata Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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creator User @relation("EventCreator", fields: [creatorId], references: [id], onDelete: Cascade)
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project Project? @relation(fields: [projectId], references: [id], onDelete: SetNull)
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@@index([workspaceId])
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@@index([workspaceId, startTime])
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@@index([creatorId])
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@@index([projectId])
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@@map("events")
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}
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model Project {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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name String
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description String? @db.Text
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status ProjectStatus @default(PLANNING)
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startDate DateTime? @map("start_date") @db.Date
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endDate DateTime? @map("end_date") @db.Date
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creatorId String @map("creator_id") @db.Uuid
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color String?
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metadata Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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creator User @relation("ProjectCreator", fields: [creatorId], references: [id], onDelete: Cascade)
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tasks Task[]
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events Event[]
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@@index([workspaceId])
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@@index([workspaceId, status])
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@@index([creatorId])
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@@map("projects")
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}
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model ActivityLog {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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userId String @map("user_id") @db.Uuid
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action ActivityAction
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entityType EntityType @map("entity_type")
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entityId String @map("entity_id") @db.Uuid
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details Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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@@index([workspaceId])
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@@index([workspaceId, createdAt])
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@@index([entityType, entityId])
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@@index([userId])
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@@map("activity_logs")
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}
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model MemoryEmbedding {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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content String @db.Text
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// Note: vector dimension (1536) must match EMBEDDING_DIMENSION constant in @mosaic/shared
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embedding Unsupported("vector(1536)")?
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entityType EntityType? @map("entity_type")
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entityId String? @map("entity_id") @db.Uuid
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metadata Json @default("{}")
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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@@index([workspaceId])
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@@map("memory_embeddings")
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}
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