v3.4.9 - AI DevOps Framework

What's Changed

• t11226: tighten headless-dispatch.md (335→303 lines) by @marcusquinn in #11382
• GH#11326: tighten meta-ads-campaigns-decision-trees.md (377→209 lines, 44% reduction) by @alex-solovyev in #11381
• t11141: tighten sql-migrations.md (438→363 lines) by @marcusquinn in #11386
• GH#11302: Tighten FSD Next.js integration doc (405→297 lines) by @alex-solovyev in #11322
• GH#11280: Simplify Configuration Reference — eliminate settings.json duplication by @alex-solovyev in #11321
• GH#11325: Tighten per-tenant-rag.md (379→247 lines, 35% reduction) by @alex-solovyev in #11391
• GH#11281: Simplify Creative Analytics agent doc (444→249 lines) by @alex-solovyev in #11315

Full Changelog: v3.4.8...v3.4.9