v2026.10.02

What's Changed

• fix(auth): restore GitHub sign-in broken by better-auth 1.7 (prod outage) by @simple-agent-manager[bot] in #2211
• docs(blog): journal ACP chat interactions by @simple-agent-manager[bot] in #2212
• docs: check staging test cost before heavy runs by @simple-agent-manager[bot] in #2214
• Preserve complete ACP session snapshots before sleep teardown by @simple-agent-manager[bot] in #2208

Full Changelog: v2026.10.01...v2026.10.02