v3.5.19 - AI DevOps Framework

What's Changed

• t12101: tighten review-issue-pr.md, consolidate duplicate bash blocks by @marcusquinn in #12178
• 12089: tighten plans.md workflow doc (250→229 lines) by @marcusquinn in #12180
• t12152: tighten full-loop.md agent doc (236→204 lines) by @marcusquinn in #12164

Full Changelog: v3.5.18...v3.5.19