* Regression tests for aborting a send queued behind a full window
* Let a signal abort a send queued behind a full send window
* Log a queued send, tighten its regression tests and settle the decision record
* Take the send window's queue off an array so an abort cannot stall the loop
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Co-authored-by: Mikael Göransson <mikael.goransson@timewave.se>
* Regression tests: a PDU the codec cannot read costs that PDU, not the link
* Refuse a single unreadable PDU instead of the whole link
* smscsim interop asserts the first attempt gets every DLR
* Record the smscsim sequence number defect as fixed
* One framing rule and one response-command lookup, per the architecture review
* Apply the stability review's nits: honest sessionError docs and one link-survives assertion