Filtering, Sorting, Field Selection Contracts

Query params are a contract Every filter, sort, include, and field selector changes what clients believe the collection means. Strong APIs document allowed values, defaults, bounds, and failure modes. They also keep parameter names tied to domain concepts so storage changes do not break consumers. Bound the power Give clients the common queries they need, with deterministic ordering and maximum limits. Reject unsupported parameters clearly. Silent ignore creates false confidence; arbitrary query languages create performance and security risk.

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