Execute bounded anchored literal programs with a prefix comparison

[proggeramlug]

Released as perex 0.1.14, merged source f3deb99 and tag v0.1.14. The downloaded registry crate matches its index SHA-256 51a7ee1a53a0fbe25a8b9f5be8ba3fbee87aa6ecca0fda04c99d24d8b9b386da, VCS source commit, and every released Rust source file.

A bounded ^ followed by literal characters now compares the original subject with immutable program instructions before any DFA cache or evaluator scratch is needed. ASCII byte subjects compare directly; other storage uses the lossless cursor. Format 16 adds a descriptor derived and revalidated from the complete instruction sequence. Multiline assertions, case folding, captures and other suffixes keep their existing executors.

The executor preserves Unicode starts between surrogate halves, UTF-16 match spans and work exhaustion. Programs remain movable data with no generated per-pattern native code or retained subject storage.

Validation passed: fmt, all-target check, strict clippy, all debug/release unit and doc tests (460 total), and the Node engine differential harness with DFA enabled (12,590 agreements, three existing reviewed reference disagreements, zero unreviewed differences). New complete-answer witnesses cover original UTF-16/WTF-8 storage, all starts, relocation, work exhaustion and descriptor corruption. Package verification also passed before publication.

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⛔ Files ignored due to path filters: 1

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing: 14

• CLAUDE.md
• Cargo.toml
• docs/engine.md
• docs/leading.md
• docs/literal-prefix.md
• src/compiler/prepared.rs
• src/dfa.rs
• src/lib.rs
• src/literal.rs
• src/program.rs
• tests/atom_repeat.rs
• tests/classes.rs
• tests/literal_prefix.rs
• tests/modifiers.rs

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