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Node.js Error Grouping API Needs Immutable Event Streams for SaaS

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An article outlines requirements for an error grouping API suitable for B2B SaaS platforms using Node.js. It argues the design should be based on an immutable stream of events, each keyed by an attempt ID, with error groups linking to these events. The API must allow engineers to diagnose issues by correlating failures across regions without losing individual event details. Key evaluation criteria include the ability to reconstruct incidents and maintain clear workflow states, separating resolution from evidence. The design should also protect sensitive tenant data and use structured logging principles.

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