fix(postiz,ente,lobehub): address testing feedback

- postiz: add postiz-rebuild helper for env changes & social provider setup
- ente: rewrite ente-setup Step 4 to use direct SQL instead of flaky CLI
- ente: improve ente-upgrade-subscription to bypass interactive prompts
- lobehub: replace broken ParadeDB APT repo (402) with GitHub release .deb

json/ente.json

@@ -36,6 +36,10 @@
             "text": "First-Start: Run `ente-setup` — it guides you through account creation, verification, and admin configuration",
             "type": "warning"
         },
+        {
+            "text": "To upgrade subscription later: `ente-upgrade-subscription user@example.com`",
+            "type": "info"
+        },
         {
             "text": "For CLI admin docs see https://ente.io/help/self-hosting/administration/cli",
             "type": "info"