feat(recruiter): add profile and organization API routes with update support for organization

[Nirbhay21]

Recruiter Profile & Organization APIs

Summary

This PR adds recruiter profile and organization management endpoints and aligns related database and schema fields.

API Endpoints

GET /api/recruiter/profile

• Returns recruiter profile with:
  • User info
  • Organization details
  • Hiring domains
  • Experience levels
  • LLM configuration
  • Timestamps
• Requires authenticated recruiter

PATCH /api/recruiter/organization

• Updates recruiter organization data (partial payload supported)
• Validated using recruiterOrganizationPartialSchema
• Updates:
  • Basic organization fields
  • Hiring domains
  • Experience levels
• Replaces tag associations transactionally
• Requires authenticated recruiter

Database Changes

Migrations

• company_website → organization_website (recruiter_profile)
• country → country_code (candidate_profile, recruiter_profile)

Schema Updates

• country → countryCode
• companyWebsite → organizationWebsite

Service Layer

RecruiterProfileService

• getProfile() – fetches recruiter profile with tags
• updateOrganization() – handles:
  • Safe partial updates
  • Tag cleanup
  • Tag upsert
  • Association insert

Files Added

• modules/recruiter/profile/*
• modules/recruiter/organization/*

Routers registered in app.ts.