Add a `#LIBREPORTAL|<APP>_VERSION_TAG|<current-tag>` sentinel to each app's
anchor (`<slug>-service`) image line, so a `CFG_<APP>_VERSION` config drives
that tag through the existing tagging system — the config becomes the source,
the compose tag is derived (like ports/IPs/domains already are). This is the
"install/pin a specific version" knob.
- Placeholder is the literal current tag (e.g. `31-fpm-alpine`), NOT a `*_DATA`
token: an unset var leaves the line untouched (inert comment, keeps the real
tag) and never trips the up_app stale-tag scanner.
- Only the anchor line is tagged (sidecars mariadb/redis/nginx stay
tracked-by-digest, not user-version-picked). ollama correctly targets
`ollama/ollama`, not the companion open-webui.
- Untagged anchors normalized to `:latest` (semantic no-op) so they're
templatable too. The manager (libreportal) is skipped — it updates via its
release channel, not a docker tag.
32 apps wired. Verified: CFG_NEXTCLOUD_VERSION=32 → `nextcloud:32` (prefix
preserved, idempotent, sidecars untouched); all compose files still valid YAML.
Inert until a version config is set, so no behaviour change on existing installs.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>