v1.21.5

What's Changed

• chore: add the fleet package template files this repo is missing (AGENTS.md, CLAUDE.md) by @catomean in #95
• chore: add the fleet package template files this repo is missing (release-notify.yml) by @catomean in #96
• docs: record verified package release history by @catomean in #97
• docs(agents): the org rules block, generated from bitbaum/fleet by @catomean in #98
• chore(deps): dependabot leaves TypeScript 7 alone until typescript-eslint supports it by @catomean in #99
• fix(ai): support native assistant tool-call history by @catomean in #100
• fix(ai): preserve empty-completion finish reason by @catomean in #101
• fix(release): respect ignored build output using Fleet template by @catomean in #102

Full Changelog: v1.21.4...v1.21.5