v0.28.0

Changelog

• 24253e8 Accept nested skill metadata
• b585ec0 Address qvr metadata review
• ad4e652 Avoid defer in metadata alias loop
• bee8501 Cover block-style nested metadata
• cb57354 Fix nested metadata alias parsing
• 2126033 Preserve empty metadata values
• 0474c17 chore(release): v0.26.1 — accept nested skill metadata in SKILL.md frontmatter
• d7a0246 chore(release): v0.27.0 — honest per-agent token accounting + mixed-agent attribution
• 90dcbe1 chore(release): v0.28.0 — version git-tree, skill duration/latency, overview redesign
• 6e23a49 docs(install): serve installers via github.com/.../raw redirect URL
• 46af375 docs(readme): pillar-led rewrite — speed, governance, observability
• 0db26c7 feat(observability): version git-tree DAG + skill duration/latency rollups
• 0b235a8 feat(skill): vendor mode — materialize installed skills as committed files
• fe7947c feat(ui): overview redesign — token band, skill ledger, drill-down
• d8a7a21 fix(observability): topologically order version-graph commits; deterministic decoration
• a025467 fix(skill): VendorIntoRepo also removes canonical dir on relink failure
• f945c8d fix(skill): clean up vendored dir when lock.Write fails
• 2472958 fix(skill): remove canonical dir if sibling relink fails during vendor/eject
• bb21393 fix(skill): roll back symlinks on vendor failure; reject bare ".." symlink
• 8579294 fix(ui): centre stat-tile icons
• 80cfba8 fix(ui): drill panel honors manual refresh too
• a24e237 fix(ui): keep ledger drill panel in sync with the 10s auto-refresh
• 9374676 fix(ui): keyed accordion rows, drill error state, honest share hint
• 6e38b9f fix(ui): light version hero card; rename "Dead weight" → "Idle"
• 54e9b7e fix(ui): restore blocked/disabled callout on Overview