Add Deactivate Jail button for inactive jails with local override

- Add has_local_override field to InactiveJail model
- Update _build_inactive_jail and list_inactive_jails to compute the field
- Add delete_jail_local_override() service function
- Add DELETE /api/config/jails/{name}/local router endpoint
- Surface has_local_override in frontend InactiveJail type
- Show Deactivate Jail button in JailsTab when has_local_override is true
- Add tests: TestBuildInactiveJail, TestListInactiveJails, TestDeleteJailLocalOverride

frontend/src/api/endpoints.ts

@@ -71,11 +71,10 @@ export const ENDPOINTS = {
     `/config/jails/${encodeURIComponent(name)}/activate`,
   configJailDeactivate: (name: string): string =>
     `/config/jails/${encodeURIComponent(name)}/deactivate`,
+  configJailLocalOverride: (name: string): string =>
+    `/config/jails/${encodeURIComponent(name)}/local`,
   configJailValidate: (name: string): string =>
     `/config/jails/${encodeURIComponent(name)}/validate`,
-  configJailRollback: (name: string): string =>
-    `/config/jails/${encodeURIComponent(name)}/rollback`,
-  configPendingRecovery: "/config/pending-recovery" as string,
   configGlobal: "/config/global",
   configReload: "/config/reload",
   configRestart: "/config/restart",