:sparkles: graphql service endpoint for catalogd (#2100)

* initial vibe

* integration with existing http service endpoint

Signed-off-by: grokspawn <jordan@nimblewidget.com>

* allow POST method only for graphql handler

* functional, caching dynamic graphql server

* claude-based storage/service interface division, missing preconditions

* caehe on unpack; fix image verification policy

Signed-off-by: grokspawn <jordan@nimblewidget.com>

* schema-agnostic approaches with working tests

Signed-off-by: Jordan <jordan@nimblewidget.com>

* asciicast demo

Signed-off-by: Jordan <jordan@nimblewidget.com>

* review updates

Signed-off-by: grokspawn <jordan@nimblewidget.com>

---------

Signed-off-by: grokspawn <jordan@nimblewidget.com>
Signed-off-by: Jordan <jordan@nimblewidget.com>