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Node.js retrieval architecture for restaurant menu assistants requires staged design with deletion semantics

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A staged retrieval architecture is recommended for Node.js restaurant menu assistants to manage data lifecycle, not just user interface actions. When a dish is removed from point-of-sale systems, it must become ineligible for retrieval while remaining accessible for audit purposes to explain past answers. The core challenge is preventing outdated, semantically similar menu items from surfacing in queries due to unchecked retention of historical data in active collections. This requires procedural fixes: assigning canonical identities, marking tombstones for deletion, and validating query hits for active status before presenting results to users.

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