chore: release v20.0.21 - #1606

This pull request is for the next release as v20.0.21 created by tagpr. Merging it will tag v20.0.21 to the merge commit and create a GitHub release.

You can modify this branch "tagpr-from-v20.0.20" directly before merging if you want to change the next version number or other files for the release.

What's Changed

• fix(cli): reject invalid date bounds by @ryoppippi in fix(cli): reject invalid date bounds #1604
• fix(grok): hide empty cache creation column by @ryoppippi in fix(grok): hide empty cache creation column #1605
• revert: date-bound validation by @ryoppippi in revert: date-bound validation #1607
• fix(cli): reapply date-bound validation by @ryoppippi in fix(cli): reapply date-bound validation #1608
• chore(deps): update rust crate miniz_oxide to 0.9.1 by @renovate[bot] in chore(deps): update rust crate miniz_oxide to 0.9.1 #1603
• chore(deps): update dependency vitepress-plugin-llms to ^1.13.5 by @renovate[bot] in chore(deps): update dependency vitepress-plugin-llms to ^1.13.5 #1622
• chore(deps): update github/codeql-action action to v4.37.7 by @renovate[bot] in chore(deps): update github/codeql-action action to v4.37.7 #1623
• chore(deps): update pullfrog/pullfrog action to v0.1.60 by @renovate[bot] in chore(deps): update pullfrog/pullfrog action to v0.1.60 #1624
• chore(deps): update hustcer/setup-nu action to v3.27 by @renovate[bot] in chore(deps): update hustcer/setup-nu action to v3.27 #1625
• chore(deps): update pnpm to v11.22.0 by @renovate[bot] in chore(deps): update pnpm to v11.22.0 #1626
• docs: link the ccusage origin story by @ryoppippi in docs: link the ccusage origin story #1637
• chore: add an AI contribution gate by @ryoppippi in chore: add an AI contribution gate #1646
• fix(renovate): keep automated updates buildable by @ryoppippi in fix(renovate): keep automated updates buildable #1649
• feat: add issue gate backfill dispatch by @ryoppippi in feat: add issue gate backfill dispatch #1648
• fix: evaluate contribution gate comment predicate by @ryoppippi in fix: evaluate contribution gate comment predicate #1654
• fix: enable OIDC for issue triage by @ryoppippi in fix: enable OIDC for issue triage #1655
• fix(statusline): apply pricing overrides by @ryoppippi in fix(statusline): apply pricing overrides #1660
• fix(opencode): respect XDG data home by @ryoppippi in fix(opencode): respect XDG data home #1659
• fix(claude): scope message dedupe by session by @ryoppippi in fix(claude): scope message dedupe by session #1661
• fix(pi): suppress forked session replays by @ryoppippi in fix(pi): suppress forked session replays #1662
• fix(codex): account for cache-write tokens by @ryoppippi in fix(codex): account for cache-write tokens #1663
• fix(claude): scope session totals to date window by @ryoppippi in fix(claude): scope session totals to date window #1664
• fix(codex): skip history outside date window by @ryoppippi in fix(codex): skip history outside date window #1665
• fix(pi): reject invalid source costs in auto mode by @ryoppippi in fix(pi): reject invalid source costs in auto mode #1666
• fix(cli): forward launcher signals to native child by @ryoppippi in fix(cli): forward launcher signals to native child #1667
• fix(opencode): read v2 session usage by @ryoppippi in fix(opencode): read v2 session usage #1668
• feat(codex): add usage breakdowns by originator by @ryoppippi in feat(codex): add usage breakdowns by originator #1670
• fix(pricing): validate ETag cache refreshes by @ryoppippi in fix(pricing): validate ETag cache refreshes #1672
• fix(terminal): preserve numeric columns in narrow tables by @ryoppippi in fix(terminal): preserve numeric columns in narrow tables #1671
• feat(zcode): add ZCode usage adapter by @ryoppippi in feat(zcode): add ZCode usage adapter #1675
• feat(antigravity): support SQLite conversation usage by @ryoppippi in feat(antigravity): support SQLite conversation usage #1677
• fix(pricing): apply timestamp-aware DeepSeek V4 rates by @ryoppippi in fix(pricing): apply timestamp-aware DeepSeek V4 rates #1679
• feat(copilot): read session-state usage events by @ryoppippi in feat(copilot): read session-state usage events #1676
• fix(nix): silence agent skill sync hook by @ryoppippi in fix(nix): silence agent skill sync hook #1683
• revert(codex): remove originator breakdowns by @ryoppippi in revert(codex): remove originator breakdowns #1687
• fix(pricing): unblock automated snapshot refreshes by @ryoppippi in fix(pricing): unblock automated snapshot refreshes #1688
• fix(nix): use agent-skills quiet shell hook by @ryoppippi in fix(nix): use agent-skills quiet shell hook #1691
• ci: check documentation links weekly with lychee by @ryoppippi in ci: check documentation links weekly with lychee #1695
• fix(pullfrog): avoid stale checkout credentials by @ryoppippi in fix(pullfrog): avoid stale checkout credentials #1712
• fix(issue-gate): capture local agent commits by @ryoppippi in fix(issue-gate): capture local agent commits #1713
• fix(issue-gate): avoid parsing status suffix by @ryoppippi in fix(issue-gate): avoid parsing status suffix #1716
• fix(issue-gate): enforce conservative triage policy by @ryoppippi in fix(issue-gate): enforce conservative triage policy #1717

Full Changelog: v20.0.20...tagpr-from-v20.0.20