Fix/plugin audit findings (#2031)

* fix(plugins): enforce manifest apiVersion at install and activation

* test(plugins): exercise the absent-apiVersion default

* feat(plugins): generate the core-event catalog into host-facts

* docs(plugins): explain the packing.listBags write-permission binding

* test(plugins): cover apiVersion upload refusal; tidy docblocks and generator header

* fix(plugin-sdk): validate settings options and oauth like the host

* fix(plugin-sdk): model the full manifest shape and stop dropping fields

* fix(plugin-sdk): drop non-string routeProfiles icons like the host

* docs(plugin-sdk): document host limits, oauth contract, and ignored asUserId

* feat(plugin-sdk): enforce daily budgets and meta quotas in the mock host

* feat(plugin-sdk): expose the generated core-event catalog

* feat(plugin-sdk): scaffold trek range >=3.4.0 <5.0.0 ahead of TREK 4.0

* feat(plugin-sdk): scaffold the oauth broker settings for oauth:client plugins

* chore(plugin-sdk): fix stale mirror docs and the colliding permissions export

* docs(plugin-sdk): add the rate-limit string; restore trek docblock; match host meta sizing

* feat(plugin-sdk): raise the scaffold trek floor to 4.0.0

* docs(wiki): bring the plugin pages in line with the current runtime

* docs: bring the workspace CLAUDE.md guides up to date and make them committable

* feat(plugin-sdk): roll back failed publishes, add unrelease, sync the fork, retro-sign updates

* docs(wiki): document the publish rollback, unrelease, fork sync, and retro-signing

* chore(plugin-sdk): 1.6.0

plugin-sdk/src/cli/menu.ts

@@ -38,6 +38,7 @@ export const ADVANCED_MENU: MenuItem[] = [
   { value: 'preflight', label: 'Preflight', hint: 'The registry checks that need the release to exist' },
   { value: 'submit', label: 'Submit', hint: 'Open the registry PR' },
   { value: 'release', label: 'Release', hint: 'Pack → GitHub release → print entry' },
+  { value: 'unrelease', label: 'Unrelease', hint: 'Delete a stranded tag + release (never a published one)' },
   { value: 'back', label: '← Back', hint: '' },
 ];