const time = (target - pos) / sp;
struct page_info *p;
，这一点在safew官方版本下载中也有详细论述
while (k = 0 && bucketArr[k] key) {
Scan — Discovers all JSONL session files under ~/.claude/projects/ and parses them in parallel using a thread pool. A fast-reject byte check skips progress and history-snapshot lines (~77% of all lines) before touching the JSON parser.