Hybrid search

import { MossClient } from '@moss-dev/moss'

const client = new MossClient(process.env.MOSS_PROJECT_ID!, process.env.MOSS_PROJECT_KEY!)

await client.loadIndex('faqs') // required before querying

// Blend semantic and keyword scoring (60/40).
const hybrid = await client.query('faqs', 'return policy', { topK: 3, alpha: 0.6 })

// Pure keyword.
const keywordOnly = await client.query('faqs', 'return policy', { topK: 3, alpha: 0.0 })

// Pure semantic (the default leans here at 0.8).
const semanticOnly = await client.query('faqs', 'return policy', { topK: 3, alpha: 1.0 })

hybrid.docs.forEach(d => console.log(d.id, d.score, d.text))

const session = await client.session('call-123')
await session.addDocs([{ id: 'turn-1', text: 'Customer asked about the SKU-4421 refund.' }])

// Lean on keyword scoring to match the exact SKU.
const hits = await session.query('SKU-4421', { topK: 3, alpha: 0.2 })