📦 refactor: Move DB Models to @librechat/data-schemas (#6210)

* 🚀 feat: Introduce data schemas and refactor models to use @librechat/data-schemas

* 🚀 feat: Add installation step for Data Schemas Package in backend review workflow

* chore: Add `data-schemas` package to update/rebuild packages scripts

* chore: Update Dockerfile to include data-schemas package build process

* fix: add missing @rollup/plugin-typescript package

* chore: Add GitHub Actions workflow for publishing data-schemas package

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

packages/data-schemas/src/schema/user.ts

@@ -0,0 +1,158 @@
+import { Schema, Document } from 'mongoose';
+import { SystemRoles } from 'librechat-data-provider';
+
+export interface IUser extends Document {
+  name?: string;
+  username?: string;
+  email: string;
+  emailVerified: boolean;
+  password?: string;
+  avatar?: string;
+  provider: string;
+  role?: string;
+  googleId?: string;
+  facebookId?: string;
+  openidId?: string;
+  ldapId?: string;
+  githubId?: string;
+  discordId?: string;
+  appleId?: string;
+  plugins?: unknown[];
+  totpSecret?: string;
+  backupCodes?: Array<{
+    codeHash: string;
+    used: boolean;
+    usedAt?: Date | null;
+  }>;
+  refreshToken?: Array<{
+    refreshToken: string;
+  }>;
+  expiresAt?: Date;
+  termsAccepted?: boolean;
+  createdAt?: Date;
+  updatedAt?: Date;
+}
+
+// Session sub-schema
+const SessionSchema = new Schema(
+  {
+    refreshToken: {
+      type: String,
+      default: '',
+    },
+  },
+  { _id: false },
+);
+
+// Backup code sub-schema
+const BackupCodeSchema = new Schema(
+  {
+    codeHash: { type: String, required: true },
+    used: { type: Boolean, default: false },
+    usedAt: { type: Date, default: null },
+  },
+  { _id: false },
+);
+
+const User = new Schema<IUser>(
+  {
+    name: {
+      type: String,
+    },
+    username: {
+      type: String,
+      lowercase: true,
+      default: '',
+    },
+    email: {
+      type: String,
+      required: [true, 'can\'t be blank'],
+      lowercase: true,
+      unique: true,
+      match: [/\S+@\S+\.\S+/, 'is invalid'],
+      index: true,
+    },
+    emailVerified: {
+      type: Boolean,
+      required: true,
+      default: false,
+    },
+    password: {
+      type: String,
+      trim: true,
+      minlength: 8,
+      maxlength: 128,
+    },
+    avatar: {
+      type: String,
+      required: false,
+    },
+    provider: {
+      type: String,
+      required: true,
+      default: 'local',
+    },
+    role: {
+      type: String,
+      default: SystemRoles.USER,
+    },
+    googleId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    facebookId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    openidId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    ldapId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    githubId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    discordId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    appleId: {
+      type: String,
+      unique: true,
+      sparse: true,
+    },
+    plugins: {
+      type: Array,
+    },
+    totpSecret: {
+      type: String,
+    },
+    backupCodes: {
+      type: [BackupCodeSchema],
+    },
+    refreshToken: {
+      type: [SessionSchema],
+    },
+    expiresAt: {
+      type: Date,
+      expires: 604800, // 7 days in seconds
+    },
+    termsAccepted: {
+      type: Boolean,
+      default: false,
+    },
+  },
+  { timestamps: true },
+);
+
+export default User;