Add named teams and per-user data visibility (own/team/org) with settings UI and org module.

apps/api/prisma/schema.prisma

@@ -155,6 +155,7 @@ model Organization {
   users             User[]
   memberships       Membership[]
   orgRoles          OrgRole[]
+  teams             Team[]
   companies         Company[]
   people            Person[]
   pipelines         Pipeline[]
@@ -241,6 +242,7 @@ model User {
   auditLogs      AuditLog[]      @relation("AuditLogActor")
   savedViews     SavedView[]     @relation("SavedViewOwner")
   assignedProjectCards ProjectCard[] @relation("ProjectCardAssignees")
+  teamMemberships TeamMember[]
   createdAt      DateTime     @default(now())
   updatedAt      DateTime     @updatedAt
 
@@ -281,6 +283,8 @@ model Membership {
   orgRole           OrgRole?     @relation(fields: [orgRoleId], references: [id], onDelete: SetNull)
   isActive          Boolean      @default(true)
   commissionPercent Decimal      @default(0) @db.Decimal(8, 2)
+  /// own | team | org — سطح دید داده‌ها برای نقش‌های غیرمالک/مدیر
+  dataVisibility    String       @default("own")
   createdAt         DateTime     @default(now())
   updatedAt         DateTime     @updatedAt
 
@@ -290,6 +294,36 @@ model Membership {
   @@index([orgRoleId])
 }
 
+/// گروه کاری داخل سازمان برای دیدپذیری مشترک
+model Team {
+  id             String       @id @default(cuid())
+  organizationId String
+  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
+  name           String
+  description    String       @default("")
+  members        TeamMember[]
+  createdAt      DateTime     @default(now())
+  updatedAt      DateTime     @updatedAt
+
+  @@unique([organizationId, name])
+  @@index([organizationId])
+}
+
+model TeamMember {
+  id        String   @id @default(cuid())
+  teamId    String
+  team      Team     @relation(fields: [teamId], references: [id], onDelete: Cascade)
+  userId    String
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  /// member | manager
+  role      String   @default("member")
+  createdAt DateTime @default(now())
+
+  @@unique([teamId, userId])
+  @@index([userId])
+  @@index([teamId])
+}
+
 /// حساب سوپرادمین پلتفرم — جدا از User سازمانی
 model PlatformAdmin {
   id           String    @id @default(cuid())