Changelog

fix: update @openpkg-ts/extract to 0.23.2 (adds deprecated flag extraction)

chore(cli): bump @doccov/sdk to 0.30.4 for isExternal fix

bump @openpkg-ts/extract ^0.19.0 -> ^0.23.0, @openpkg-ts/spec -> ^0.23.0

feat(cli): add stale refs to markdown report, split coverage sections

• Pass staleRefs to output/stats pipeline
• Add stale references section to markdown report
• Split exports into "Undocumented" (0%) and "Partial Coverage" (1-99%) sections
• Add reportUrl linking for "X more" overflow links
• Include staleRefs in JSON report output

refactor(sdk): use SpecTag.param for param parsing, bump openpkg-ts deps

• utils.ts: rewrite extractParamFromTag to use SpecTag.param field directly
• param-drift.ts: pass full SpecTag to extractParamFromTag
• index.ts: remove normalizeParamName export (unused)
• cli/writer.ts: use findProjectRoot for cleaner relative paths
• bump @openpkg-ts/extract ^0.18.0 -> ^0.19.0 (root, sdk)
• bump @openpkg-ts/spec ^0.12.0 -> ^0.19.0 (sdk, cli, web)