feat: add DISC profiles and a sales copilot as an org module

Help reps capture a customer's likely behavior style and get negotiation guidance, with the feature gated from super admin.

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

apps/api/prisma/schema.prisma

@@ -161,6 +161,8 @@ model Organization {
   teams                        Team[]
   companies                    Company[]
   people                       Person[]
+  discAssessments              DiscAssessment[]
+  salesCopilotSessions         SalesCopilotSession[]
   pipelines                    Pipeline[]
   deals                        Deal[]
   activities                   Activity[]
@@ -311,6 +313,8 @@ model User {
   routineTaskEvents      RoutineTaskEvent[]
   routineSettings        RoutineUserSettings[]
   deletionArchives       DeletionArchive[]        @relation("DeletionActor")
+  discAssessments        DiscAssessment[]         @relation("DiscAssessor")
+  salesCopilotSessions   SalesCopilotSession[]    @relation("CopilotAuthor")
   createdAt              DateTime                 @default(now())
   updatedAt              DateTime                 @updatedAt
 
@@ -554,6 +558,11 @@ model Person {
   routineTasks            RoutineTask[]
   outboundSmsLogs         OutboundSmsLog[]
   financialDocuments      FinancialDocument[]
+  discLabel               String?
+  discReliable            Boolean                  @default(false)
+  discAssessedAt          DateTime?
+  discAssessments         DiscAssessment[]
+  salesCopilotSessions    SalesCopilotSession[]
   financialReceivables    FinancialReceivable[]
   createdAt               DateTime                 @default(now())
   updatedAt               DateTime                 @updatedAt
@@ -569,6 +578,7 @@ model Person {
   @@index([companyId])
   @@index([ownerId])
   @@index([loyaltyTierId])
+  @@index([organizationId, discLabel])
 }
 
 model Pipeline {
@@ -640,6 +650,7 @@ model Deal {
   expectedCloseAt DateTime?
   personId        String?
   person          Person?        @relation(fields: [personId], references: [id], onDelete: SetNull)
+  salesCopilotSessions SalesCopilotSession[]
   companyId       String?
   company         Company?       @relation(fields: [companyId], references: [id], onDelete: SetNull)
   ownerId         String?
@@ -2766,6 +2777,7 @@ model Lead {
   convertedAt       DateTime?
   archivedAt        DateTime?
   events            LeadEvent[]
+  salesCopilotSessions SalesCopilotSession[]
   trackingLinks     TrackingLink[]
   trackingEvents    TrackingEvent[]
   routineTasks      RoutineTask[]
@@ -3337,3 +3349,71 @@ model GamificationBonus {
 
   @@index([organizationId, isActive])
 }
+
+/// ارزیابی رفتاری DISC؛ هر بار یک رکورد تازه است و تاریخچه پاک نمی‌شود.
+model DiscAssessment {
+  id             String       @id @default(cuid())
+  organizationId String
+  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
+  personId       String
+  person         Person       @relation(fields: [personId], references: [id], onDelete: Cascade)
+  assessorId     String
+  assessor       User         @relation("DiscAssessor", fields: [assessorId], references: [id], onDelete: Restrict)
+  answers        Json
+  scoreD         Int
+  scoreI         Int
+  scoreS         Int
+  scoreC         Int
+  percentD       Int
+  percentI       Int
+  percentS       Int
+  percentC       Int
+  validCount     Int
+  primaryTypes   String[]     @default([])
+  secondaryTypes String[]     @default([])
+  label          String
+  secondaryLabel String?
+  reliable       Boolean
+  confidence     String
+  note           String?
+  status         String       @default("confirmed")
+  createdAt      DateTime     @default(now())
+  updatedAt      DateTime     @updatedAt
+
+  @@index([organizationId, personId, createdAt])
+  @@index([personId])
+}
+
+/// نتیجهٔ تأییدشدهٔ دستیار فروش. پیشنهاد خام بدون تأیید کارشناس اینجا ذخیره نمی‌شود.
+model SalesCopilotSession {
+  id                  String       @id @default(cuid())
+  organizationId      String
+  organization        Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
+  personId            String?
+  person              Person?      @relation(fields: [personId], references: [id], onDelete: Cascade)
+  leadId              String?
+  lead                Lead?        @relation(fields: [leadId], references: [id], onDelete: SetNull)
+  dealId              String?
+  deal                Deal?        @relation(fields: [dealId], references: [id], onDelete: SetNull)
+  userId              String
+  user                User         @relation("CopilotAuthor", fields: [userId], references: [id], onDelete: Restrict)
+  topic               String
+  goal                String
+  customerStatement   String
+  behaviorNotes       String?
+  analysis            Json
+  confirmedResponse   String?
+  nextAction          String?
+  followUpAt          DateTime?
+  callOutcome         String?
+  agentNote           String?
+  status              String
+  messageDraft        String?
+  activityId          String?
+  createdAt           DateTime     @default(now())
+  updatedAt           DateTime     @updatedAt
+
+  @@index([organizationId, personId, createdAt])
+  @@index([organizationId, leadId])
+  @@index([dealId])
+}