feat(conversations): align transcript delivery

migrations/000001_init_schema.up.sql

@@ -10,6 +10,7 @@ CREATE TABLE IF NOT EXISTS accounts (
     timezone VARCHAR(50) DEFAULT 'UTC',
     domain VARCHAR(255),
     feature_flags TEXT DEFAULT '{}',
+    limits JSONB NOT NULL DEFAULT '{}',
     status VARCHAR(50) DEFAULT 'active',
     active BOOLEAN DEFAULT TRUE,
     auto_resolve_duration INTEGER DEFAULT 0,

migrations/000037_add_accounts_limits.down.sql

@@ -0,0 +1 @@
+ALTER TABLE accounts DROP COLUMN IF EXISTS limits;

migrations/000037_add_accounts_limits.up.sql

@@ -0,0 +1 @@
+ALTER TABLE accounts ADD COLUMN IF NOT EXISTS limits JSONB NOT NULL DEFAULT '{}';