Mihaela Mihaljevic
bb094aa13c
The streaming-vs-tree differential previously exercised group references only
through the shallow g0/g1 mutual cycle, too weak to gate a future pushdown
content-model matcher whose call/return correctness hinges on deep group
nesting. Add a deep LINEAR group-reference chain (c0 -> ... -> c{chainDepth},
single ref per level so its inlined size is O(depth), not 2^depth) reachable
from any leaf, so the two engines are compared over deep call/return without the
exponential build a doubling chain would trigger. Run divergence-free over the
standing 2000-seed gate and a 60000-seed campaign.
Reconcile docs/release-hurdles.md Part 2 with the deleted positionCap and record
the one remaining structural residual, distinct from occurrence unrolling: the
per-instance NFA build still inlines group references, so a 2^K-inlining schema
makes automaton construction exponential on first instance validation. Document
the pushdown/RTN matcher as the general fix, gated by this hardened differential
(FP-critical: naive sub-model sharing without a stack is unsound).
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| .. | ||
| design | ||
| plans | ||
| rules | ||
| benchmarks.md | ||
| onboarding-antigravity.md | ||
| production-readiness.md | ||
| release-hurdles.md | ||
| roadmap.md | ||
| schema-validity-burndown.md | ||
| validation-coverage-registry.txt | ||
| validation-field-registry.txt | ||
| xsts-deviations.md | ||