fix(deploy): scope chown to dcpas_chatbot only, not entire contrib dir

feat(admin): add links.menu.yml so settings page appears in admin config

fix(deploy): chown apache after rsync to fix httpd read permissions

fix: drop readonly promotion for \$currentUser (ControllerBase conflict)

fix(services): declare logger.channel.dcpas_chatbot service

fix(deploy): rewrite to wget GitHub archive and extract on server

fix: resolve readonly property conflict in ChatController, add local deploy script

restore: re-add CI workflow file

temp: remove workflow for push (re-add after token scope fix)

docs: add README, remove deprecated VectorStore alias, mark export_mysql deprecated

docs: add PRODUCTION.md — demo to FedRAMP production migration guide

docs(demo): update DEMO.md with confirmed dvapp21 environment details

Merge fix/demo-deployment-compat — dvapp21 demo deployment fixes

fix(demo): export_mysql text_hash, intl comment, dvapp21 guide

Merge feature/sprint-8-pgvector — Sprint 8 complete