v3.4.15 - AI DevOps Framework

What's Changed

• t11402: simplify ad-creative-chapter-06.md (339→233 lines, 31% reduction) by @marcusquinn in #11414
• t11399: tighten per-tenant-rag.md by 30% (247→161 lines) by @marcusquinn in #11417
• t11400: tighten ad-creative-offers-landing.md by 35% (342→222 lines) by @marcusquinn in #11415
• GH#11371: tighten postgres-drizzle-skill/queries.md (337→227 lines, 33% reduction) by @alex-solovyev in #11416
• t11369: tighten ad copy swipe file (341→204 lines, 40% reduction) by @alex-solovyev in #11412
• GH#11323: tighten offer construction framework 247→155 lines by @alex-solovyev in #11363
• t11214: tighten browser-profiles.md 343→229 lines (-33%) by @marcusquinn in #11445
• t11211: tighten email-composition.md by 39% (344→211 lines) by @marcusquinn in #11447

Full Changelog: v3.4.14...v3.4.15