merged from gramsrv upstream

deploy/migrations/20260901000012_community_catalog_read_model.up.sql

@@ -0,0 +1,34 @@
+-- Global Community-catalog presence token. messages.getDialogs needs collapsed
+-- Communities only when at least one live Community exists; without this
+-- durable invalidation token an empty deployment would repeat the expensive
+-- owner-membership query on every dialogs page.
+
+CREATE OR REPLACE FUNCTION public.telesrv_bump_community_catalog_read_model()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+BEGIN
+    PERFORM public.telesrv_bump_read_model_version(
+        'community_catalog',
+        0,
+        'community',
+        0
+    );
+    IF TG_OP = 'DELETE' THEN
+        RETURN OLD;
+    END IF;
+    RETURN NEW;
+END;
+$$;
+
+DROP TRIGGER IF EXISTS communities_bump_catalog_read_model ON public.communities;
+CREATE TRIGGER communities_bump_catalog_read_model
+AFTER INSERT OR UPDATE OR DELETE ON public.communities
+FOR EACH ROW EXECUTE FUNCTION public.telesrv_bump_community_catalog_read_model();
+
+SELECT public.telesrv_bump_read_model_version(
+    'community_catalog',
+    0,
+    'community',
+    0
+);