Initial commit: OTA chunk transfer protocol implementation

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- Protocol definition with 6-byte header (chunk_idx: 2B, payload: N B, crc32: 4B)
- Node.js server with chunk-based HTTP delivery
- C client library with resumable download support
- CRC32 implementation (IEEE 802.3)
- Test suites for both server and CRC32
- 1024B default chunk size (0.59% overhead)

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km

2026-03-30 06:35:25 +09:00

commit b1c3ec3af4

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test_crc32

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