v3.1.322 - AI DevOps Framework

What's Changed

• GH#6894: Fix unbound variable extra_labels[@] in gh-failure-miner-helper.sh by @alex-solovyev in #6899
• 6892: Fix upstream-watch config path in AGENTS.md by @johnwaldo in #6893
• fix(docs): correct audit event type count 15→16 in build.txt (GH#6891) by @johnwaldo in #6895
• t1690: Replace fcntl with cross-platform file locking in oauth-pool-helper.sh by @marcusquinn in #6903

Full Changelog: v3.1.321...v3.1.322