Increase test file coverage to ≥50% for three under-tested modules: - MCP: +1 test (mcp.module.spec.ts) → 2/2 files covered (100%) - Inquiries: +4 tests (events, repository contract, prisma repo, DTOs) → 10/18 files covered (55.6%) - Leads: +4 tests (events, repository contract, prisma repo, DTOs) → 12/22 files covered (54.5%) All 225 test files pass with 1353 tests total. Co-Authored-By: Paperclip <noreply@paperclip.ing>