Release 0.5.1#33

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siy merged 26 commits into

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May 9, 2026

Commits on May 9, 2026

chore: prepare release 0.5.1
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test: trivia adversarial corpus + findings (Step 2 of context-independent attribution investigation)
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feat: TriviaPostPass — context-independent trivia attribution prototype (Step 3)
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docs: HANDOVER §11 — trivia investigation arc + Step 3 verdict (production rework viable)
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feat: triviaPostPass flag wires TriviaPostPass as post-parse hook (Step 4 commit 1)
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feat: TriviaPostPass splice-offset overload for parseRuleAt subtree leading (Step 4 commit 2)
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perf: ParsingContext buffer ops no-op under triviaPostPass flag (Step 4 commit 3)
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feat: ParserGenerator emits embedded TriviaPostPass under flag-ON (Step 4 commit 4)
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docs: HANDOVER §11 + CHANGELOG [0.5.1] — trivia rework Step 4 commits 1-4 progress
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perf: ParserGenerator emits no-op buffer methods under triviaPostPass flag (Step 4 commit 5)
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docs: HANDOVER + CHANGELOG — Step 4 commit 5 landed; commit 6 reverted (bug found in post-pass on Java 25 corpus)
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fix: TriviaPostPass drains orphan trivia into last-leaf descendant matching engine Bug C' (Step 4 commit 7)
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feat: triviaPostPass default flips to true (Step 4 commit 6)
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docs: HANDOVER + CHANGELOG — Step 4 trivia rework COMPLETE (commits 7 fix + 6 retry shipped)
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fix: TriviaPostPass uses line-start table to eliminate O(n²) computeSpan
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docs: HANDOVER + CHANGELOG — bench impact study + O(n²) fix banked
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perf: skip buffer call sites under triviaPostPass flag-ON (Cleanup A)
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perf: TriviaPostPass thread orphan trailing + probe-scan cache (Cleanup B)
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perf: TriviaPostPass skip rebuild when no trivia change needed (Cleanup D)
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feat: StringSpan runtime foundation — CstNode.Terminal/Token hold StringSpan, .text() returns String via lazy materialization (Cleanup F.1)
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refactor: CstParseResult.text from String to CharSequence (Cleanup F.2)
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perf: generator emits StringSpan for token text — defer substring materialization (Cleanup F.3)
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docs: HANDOVER + CHANGELOG — Cleanup arc A→F.3 + StringSpan summary
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docs: HANDOVER — Cleanup G investigation (gap is structural, abandoned)
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docs: HANDOVER — Lever B retry failed on bench, deferred indefinitely
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docs: HANDOVER — skip-postPass-for-full-parses deferred (academic; no real workload benefits)
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