Use project-scoped endpoints and run IDs for current project, SCADA metadata, historical time series, migrated DMA results, and sensor placement runs.
The regressions recurred because tests mocked pre-interceptor and new-only payload shapes, while history queries relied on implicit global scheme state and unbounded request fan-out. Cover post-interceptor pages, migrated result_rows, explicit run_id routing, multi-element requests, request limits, and cancellation.
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