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Article3 min read

AI Assistant for Housing Services Reveals the True Cost of a Simple Chat: What Business Needs After the Prototype

In September, Domilend shared a case study on transforming an AI assistant into a fully operational service. I examine the critical challenges that arise between a successful demo and real-world deployment.

A simple glass screen on the front conceals a complex, precise mechanism behind it
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During a demo, an AI assistant understands a request and responds within seconds. In actual operation, however, the system must verify the user, retrieve up-to-date data, execute the action, and confirm its successful completion. It is precisely this invisible layer that often determines the project's true cost.

On September 17, 2026, Yandex Cloud published an analysis of Domilend's AI assistant for housing services. Its key tasks include processing meter readings and handling resident inquiries. The case study details the integrations and the dedicated quality control implemented around the language model. Consequently, this story offers valuable insights far beyond the housing services sector.

A response and a completed operation are distinct outcomes

Consider an assistant tasked with moving a client's appointment. The phrase "done" is only meaningful after the appointment system confirms the change. If the external service fails to respond, the model must not replace uncertainty with a confident but false confirmation.

Every action requires a verifiable outcome: a ticket number, saved time, or another confirmation from the core system. The assistant's text must explain this outcome to the user, not fabricate it.

Access must be verified before data retrieval.

Two clients may share the same surname and have similar order numbers. Merely mentioning data in a chat does not prove entitlement to access it. Identity and permission checks must be performed by the application mechanisms designed for that purpose.

The same boundary applies to employees. A manager from one department must not gain access via AI to information that is unavailable to them in the standard interface. A convenient conversational entry point does not override access controls.

Clear verification is required before any modification.

If the assistant extracts information from an image, it is helpful to show the user exactly what is about to be submitted. A single-digit error may be hard to spot in a long response but can significantly impact the result.

For recording, canceling an order, or changing details, confirmation must describe the specific action. A button with a generic label like "Continue" explains consequences less clearly than a precise statement of which data will change.

Failures must be designed for in advance.

What happens if a connection drops after an operation completes? How should a repeated request be handled? Where does a question go if the system cannot answer it? These scenarios occur during routine operations, not just during rare outages.

The support team needs an action log with sufficient context for review. However, do not indiscriminately save all conversation content in it: the data composition and access to it require a separate solution.

How to distinguish a ready-to-use service from a polished prototype

Test the system with ambiguous requests, outdated data, and unavailable integrations. Verify the handover to a human: will the employee receive the history and understand at which step the problem occurred?

Success is measured by completed tasks and the number of fixes required afterward. Saving time on building the first interface is useful, but it does not replace reliable data handling. This is the part you should discuss with the vendor before evaluating the full deployment of an AI assistant.

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