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Multi-Tenant Help Center Retrieval: Node.js Design and Three Citation Checks

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A developer guide argues that retrieval design for multi-tenant SaaS help centers should prioritize freshness, control, and citation requirements over the choice of vector database. It recommends separating durable indexed content from live lookups, with every answer traced to a tenant-scoped source. The author proposes an ingest, index, query, and cite pipeline, with logging and alerts at each stage so that wrong answers can be traced to a specific step. A small TypeScript validator is presented that confirms every cited chunk was actually returned for the same tenant. The piece also covers trade-offs between re-indexing frequency, latency, and citation stability, and mentions a runtime capability discovery approach tied to a specific API service.

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