Review cleanup - #1

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danpape wants to merge 10 commits into

Commits on May 3, 2026

build: raise floor to C++17 + CMake 3.22

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Commits on May 4, 2026

refactor: extract bech32_detail.h; rewrite test include

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feat: typed bech32::Error hierarchy and widened bech32_error enum

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fix(capi): RAII unwind, size_t overflow guard, find_last_of, decode-sentinel doc

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fix: ASCII helpers, reject-chain reorder, npos guards, strip lowercase, plus shared encode helper, polymod warning, examples-not-installed

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feat(api)!: 8-bit canonical encode/decode; rename 5-bit entries to *5Bit / _5bit

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test: HRP-contains-1, 8-bit round-trip, typed exceptions, reference vectors, convertBits cross-ref

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ci: GitHub Actions workflows (matrix, sanitizers, advisory tidy, release tarball, workflow_dispatch)

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docs: public API Doxygen, README rewrite, internal comment audit

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fix(capi): UBSan — bech32_strerror should take int, not enum

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