fix: sync monoforum suggested post flow

deploy/migrations/0133_suggested_post_lifecycle.up.sql

@@ -0,0 +1,39 @@
+-- Durable suggested-post approval/payment/publication state.  The row is the
+-- idempotency key for a monoforum suggestion; message/update rows remain the
+-- client-visible source of truth and are written in the same transaction.
+CREATE TABLE public.suggested_post_approvals (
+    monoforum_id bigint NOT NULL,
+    suggestion_message_id integer NOT NULL,
+    parent_channel_id bigint NOT NULL,
+    actor_user_id bigint NOT NULL,
+    payer_user_id bigint NOT NULL,
+    state text NOT NULL,
+    price_kind text NOT NULL DEFAULT '',
+    price_amount bigint NOT NULL DEFAULT 0,
+    price_nanos integer NOT NULL DEFAULT 0,
+    schedule_date integer NOT NULL DEFAULT 0,
+    approval_service_message_id integer NOT NULL DEFAULT 0,
+    published_message_id integer NOT NULL DEFAULT 0,
+    settlement_due integer NOT NULL DEFAULT 0,
+    final_service_message_id integer NOT NULL DEFAULT 0,
+    created_at integer NOT NULL,
+    updated_at integer NOT NULL,
+    PRIMARY KEY (monoforum_id, suggestion_message_id),
+    CONSTRAINT suggested_post_approvals_shape_check CHECK (
+        monoforum_id>0 AND suggestion_message_id>0 AND parent_channel_id>0 AND
+        actor_user_id>0 AND payer_user_id>0 AND created_at>0 AND updated_at>=created_at AND
+        state IN ('balance_low','rejected','scheduled','published','completed','refunded') AND
+        price_kind IN ('','stars','ton') AND price_amount>=0 AND price_nanos BETWEEN 0 AND 999999999 AND
+        ((price_kind='' AND price_amount=0 AND price_nanos=0) OR
+         (price_kind='stars' AND price_amount>0) OR
+         (price_kind='ton' AND price_amount>0 AND price_nanos=0)) AND
+        schedule_date>=0 AND approval_service_message_id>=0 AND published_message_id>=0 AND
+        settlement_due>=0 AND final_service_message_id>=0)
+);
+
+CREATE INDEX suggested_post_approvals_schedule_idx
+    ON public.suggested_post_approvals(schedule_date,monoforum_id,suggestion_message_id)
+    WHERE state='scheduled';
+CREATE INDEX suggested_post_approvals_settlement_idx
+    ON public.suggested_post_approvals(settlement_due,monoforum_id,suggestion_message_id)
+    WHERE state='published';