refactor(onboarding): migrate to module-based structure and extract service layer

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+  "editor.codeActionsOnSave": {
+    "source.organizeImports": "never",
+    "source.fixAll.eslint": "always"
+  },
+  "editor.formatOnSave": true
+}

src/app.ts

@@ -4,14 +4,14 @@ import cors from "cors";
 import express from "express";
 import helmet from "helmet";
 
+import { env } from "./config/env.schema.ts";
 import { db } from "./db/index.ts";
 import { userTable } from "./db/schema/auth/auth.schema.ts";
-import { auth } from "./lib/auth/auth.ts";
-import { env } from "./lib/validation/env.schema.ts";
-import { errorHandler } from "./middlewares/error-handler.middleware.ts";
-import authRouter from "./routes/auth.routes.ts";
-import healthRouter from "./routes/health.routes.ts";
-import onboardingRouter from "./routes/onboarding.routes.ts";
+import authRouter from "./modules/auth/auth.routes.ts";
+import healthRouter from "./modules/health/health.routes.ts";
+import onboardingRouter from "./modules/onboarding/onboarding.routes.ts";
+import { auth } from "./shared/auth/auth.ts";
+import { errorHandler } from "./shared/middlewares/error-handler.middleware.ts";
 
 const app = express();
 

src/db/create-user-context.ts

@@ -2,7 +2,7 @@ import { sql } from "drizzle-orm";
 
 import { db } from "./index.js";
 
-type TransactionType = Parameters<Parameters<typeof db.transaction>[0]>[0];
+export type TransactionType = Parameters<Parameters<typeof db.transaction>[0]>[0];
 
 export const createUserContext = (userId: string) => {
   return {

src/db/index.ts

@@ -1,7 +1,7 @@
 import { drizzle } from "drizzle-orm/postgres-js";
 import postgres from "postgres";
 
-import { env } from "../lib/validation/env.schema.ts";
+import { env } from "../config/env.schema.ts";
 import * as schema from "./schema/index.ts";
 
 const client = postgres(env.DATABASE_APP_USER_URL, {

src/db/schema/app/candidate-profile.schema.ts

@@ -2,7 +2,7 @@ import { relations, sql } from "drizzle-orm";
 import { integer, pgPolicy, pgTable, text, timestamp } from "drizzle-orm/pg-core";
 
 import { userTable } from "../auth/auth.schema.ts";
-import { candidateProfileTagTable } from "./candidate_profile_tag.schema.ts";
+import { candidateProfileTagTable } from "./candidate-profile-tag.schema.ts";
 
 export const candidateProfileTable = pgTable(
   "candidate_profile",

src/db/schema/app/onboarding.schema.ts

@@ -10,7 +10,8 @@ import {
   timestamp,
 } from "drizzle-orm/pg-core";
 
-import type { CandidateOnboardingDraftData } from "../../../lib/validation/candidate-onboarding.schema.ts";
+import type { CandidateOnboardingDraftData } from "../../../modules/onboarding/candidate-onboarding.schema.ts";
+import type { RecruiterOnboardingDraftData } from "../../../modules/onboarding/recruiter-onboarding.schema.ts";
 import { userTable } from "../auth/auth.schema.ts";
 
 export const userOnboardingTable = pgTable(
@@ -23,7 +24,9 @@ export const userOnboardingTable = pgTable(
 
     isCompleted: boolean("is_completed").default(false).notNull(),
     currentStep: integer("current_step").default(1).notNull(),
-    draft: jsonb("draft").$type<CandidateOnboardingDraftData | null>(),
+    draft: jsonb("draft").$type<
+      CandidateOnboardingDraftData | RecruiterOnboardingDraftData | null
+    >(),
 
     createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
     updatedAt: timestamp("updated_at", { withTimezone: true })

src/db/schema/app/recruiter-profile.schema.ts

@@ -2,7 +2,7 @@ import { relations, sql } from "drizzle-orm";
 import { pgPolicy, pgTable, text, timestamp } from "drizzle-orm/pg-core";
 
 import { userTable } from "../auth/auth.schema.ts";
-import { recruiterProfileTagTable } from "./recruiter_profile_tag.schema.ts";
+import { recruiterProfileTagTable } from "./recruiter-profile-tag.schema.ts";
 
 export const recruiterProfileTable = pgTable(
   "recruiter_profile",