HermitCrab: no word reaches the MaxApplicationCount gate, and the mutant stack-overflow path has no end-to-end test #616

Two conformance points stay in machine because they concern its engine and runner, not the grammars now in sillsdev/fieldworks-parser-conformance.

1. MaxApplicationCount: no word reaches this gate. Analysis stops at the cap with a bare return and no trace call; synthesis re-applies only rules analysis un-applied, so the synthesis cap sites never see a count at the cap. Decide: remove the dead sites, or add the trace call so a word can witness the limit. The behaviour to witness is stated in The compound application cap is pinned, but the MaxApplicationCount gate itself cannot be reached by any word, and one fixture note blames the wrong limit fieldworks-parser-conformance#8.
2. The mutant stack-overflow path is tested only at its classification, by unit tests. The real overflow reproduced only on a fixture that was deleted.

Not known: whether the synthesis cap sites are dead code or only lack a trace call.

Related: #613 (closed, origin); #615 (runner, open); sillsdev/fieldworks-parser-conformance#8.

Next: run a mutation that removes the cap check at the synthesis sites and record whether any word changes.

🤖 Generated with Claude Code