Che, Dong

Docs: CSP nonce + strict-dynamic strategy (#158) + v4.9 PLANDOC entry

fix: --status query excludes NOT_FOUND entries from emoji counts

fix: cache NOT_FOUND on LLM failure to prevent repeated retries

fix: preg_match_all called before empty() check in splitHtmlIntoSections

fix: man page heading detection in splitHtmlIntoSections

fix: wire chunked enhancement into batch-enhance.php HTML path

feat: chunked LLM enhancement for large man pages (>200KB)

docs: add architectural paradox — data sources are already CLI tools