feat(plugins): sell khanegi plugins as priced subscriptions

Catalog prices, purchase requests, and setting-key activation live on SuperAdmin so module admins can buy add-ons. Also rewrite legacy nerkh logo hosts to the SuperAdmin upload origin.

Co-authored-by: Cursor <cursoragent@cursor.com>

prisma/schema.prisma

@@ -87,6 +87,7 @@ model Tenant {
   /// 0..N hosting/billing servers per sold version (not the same as nodeServer API URL)
   serverAccounts   ServerAccount[]
   pluginSubscriptions PluginSubscription[]
+  pluginPurchaseRequests PluginPurchaseRequest[]
   supportSubscriptions SupportSubscription[]
   settings         Setting[]
 
@@ -311,6 +312,11 @@ model PluginSubscription {
   description     String?
   alertDaysBefore Int       @default(3) @map("alert_days_before")
   lastAlertDate   DateTime? @map("last_alert_date")
+  /// Khanegi catalog key (jibit_enabled, …). Null = custom / hamkar.
+  settingKey      String?   @map("setting_key") @db.VarChar(50)
+  autoCutOnExpiry Boolean   @default(false) @map("auto_cut_on_expiry")
+  /// Sent expiry SMS marks: { "expiresAtIso": { "3": true, "2": true, "1": true, "0": true } }
+  alertMarks      Json?     @map("alert_marks")
   isActive        Boolean   @default(true) @map("is_active")
   createdAt       DateTime  @default(now()) @map("created_at")
   updatedAt       DateTime  @updatedAt @map("updated_at")
@@ -321,9 +327,69 @@ model PluginSubscription {
   @@index([tenantId])
   @@index([expiresAt])
   @@index([isActive])
+  @@index([settingKey])
   @@map("plugin_subscriptions")
 }
 
+enum PluginPurchaseStatus {
+  pending
+  approved
+  rejected
+  cancelled
+}
+
+model PluginCatalogItem {
+  id          String   @id @default(cuid())
+  settingKey  String   @unique @map("setting_key") @db.VarChar(50)
+  titleFa     String   @map("title_fa")
+  description String?  @db.Text
+  inStore     Boolean  @default(true) @map("in_store")
+  createdAt   DateTime @default(now()) @map("created_at")
+  updatedAt   DateTime @updatedAt @map("updated_at")
+
+  prices   PluginCatalogPrice[]
+  requests PluginPurchaseRequest[]
+
+  @@map("plugin_catalog_items")
+}
+
+model PluginCatalogPrice {
+  id                 String  @id @default(cuid())
+  catalogItemId      String  @map("catalog_item_id")
+  durationDays       Int     @map("duration_days")
+  enabled            Boolean @default(false)
+  originalPriceRials Int     @default(0) @map("original_price_rials")
+  finalPriceRials    Int     @default(0) @map("final_price_rials")
+
+  catalogItem PluginCatalogItem @relation(fields: [catalogItemId], references: [id], onDelete: Cascade)
+
+  @@unique([catalogItemId, durationDays])
+  @@map("plugin_catalog_prices")
+}
+
+model PluginPurchaseRequest {
+  id                   String               @id @default(cuid())
+  tenantId             String               @map("tenant_id")
+  catalogItemId        String               @map("catalog_item_id")
+  durationDays         Int                  @map("duration_days")
+  originalPriceRials   Int                  @map("original_price_rials")
+  finalPriceRials      Int                  @map("final_price_rials")
+  status               PluginPurchaseStatus @default(pending)
+  autoCutOnExpiry      Boolean?             @map("auto_cut_on_expiry")
+  pluginSubscriptionId String?              @map("plugin_subscription_id")
+  createdAt            DateTime             @default(now()) @map("created_at")
+  updatedAt            DateTime             @updatedAt @map("updated_at")
+  decidedAt            DateTime?            @map("decided_at")
+
+  tenant      Tenant            @relation(fields: [tenantId], references: [id], onDelete: Cascade)
+  catalogItem PluginCatalogItem @relation(fields: [catalogItemId], references: [id], onDelete: Restrict)
+
+  @@index([tenantId, status])
+  @@index([catalogItemId])
+  @@index([createdAt])
+  @@map("plugin_purchase_requests")
+}
+
 model PluginCharge {
   id             String   @id @default(cuid())
   pluginId       String   @map("plugin_id")