Files
MeshCore/test/fixtures/radio_profiles
mikecarper 7e1750ceac Bound ESP contact transaction file buffers between loop passes
Arduino defaults to 4 KiB stdio buffering, so small record writes and CRC
reads could still trigger large SPIFFS batches. Set the newly opened ESP
writer buffer to one 152-byte contact record and verifier buffer to 64
bytes before I/O. Fail closed if either setup fails; keep other platforms
unchanged.

Model backend buffering separately from logical File operations. Validate
mutation cancellation, durability, setup failures, and negative controls
which restore the hidden default writer or reader batching. Update API
seams in existing uncached, radio and telemetry fixtures.
2026-10-04 04:32:37 -07:00
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