whetstone_DSL/tmp_eval_large_specs_20260303/cp_032_go.md

Collaborative Cursor Service (cp_032)

Objective

Build a realtime cursor service broadcasting positions with rate limiting and stale cleanup.

Language & Library Constraints

• Primary language: go
• Available libraries: gin, sqlx, zap, segmentio/kafka-go
• Use library APIs explicitly where suitable in execution contracts.

Acceptance

• Deterministic taskitems with strict execution contracts.
• Include selected library and preferred APIs when applicable.