Mudr-209 -

/* 4. Write to flash (append‑only) ------------------------------------------*/ static void persist_record(void)

mudr209_hdr_t *hdr = (mudr209_hdr_t*)record_buf; uint8_t *data = record_buf + sizeof(mudr209_hdr_t); MUDR-209

if (len > PAYLOAD_MAX) return; // guard assemble_record(payload, len); protect_record(); persist_record(); update_merkle(); uint8_t *data = record_buf + sizeof(mudr209_hdr_t)

/* 2. Assemble record -------------------------------------------------------*/ static void assemble_record(const uint8_t *payload, uint32_t len) if (len &gt

/* 5. Update Merkle tree ----------------------------------------------------*/ static void update_merkle(void)

static uint8_t record_buf[RECORD_MAX]; static uint32_t record_seq = 0;