add organization management and refine source repository view

prisma/auth.schema.prisma

@@ -14,6 +14,14 @@ enum UserRole {
   USER
 }
 
+enum OrganizationType {
+  COMPANY
+  SCHOOL
+  GOVERNMENT
+  LAB
+  OTHER
+}
+
 enum LicenseCode {
   FREE
   EDU
@@ -32,6 +40,7 @@ model User {
   updatedAt    DateTime      @updatedAt @map("updated_at") @db.Timestamptz(3)
   userLicenses UserLicense[]
   refreshTokens RefreshToken[]
+  affiliations  UserAffiliation[]
 
   @@map("users")
 }
@@ -79,3 +88,37 @@ model UserLicense {
   @@index([licenseId])
   @@map("user_licenses")
 }
+
+model Organization {
+  id           String            @id @default(uuid()) @db.Uuid
+  name         String
+  type         OrganizationType  @default(OTHER)
+  domain       String?
+  isActive     Boolean           @default(true) @map("is_active")
+  createdAt    DateTime          @default(now()) @map("created_at") @db.Timestamptz(3)
+  updatedAt    DateTime          @updatedAt @map("updated_at") @db.Timestamptz(3)
+  affiliations UserAffiliation[]
+
+  @@unique([name, type])
+  @@index([isActive, type])
+  @@map("organizations")
+}
+
+model UserAffiliation {
+  id             String       @id @default(uuid()) @db.Uuid
+  userId         String       @map("user_id") @db.Uuid
+  organizationId String       @map("organization_id") @db.Uuid
+  department     String?
+  position       String?
+  isPrimary      Boolean      @default(false) @map("is_primary")
+  startsAt       DateTime?    @map("starts_at") @db.Timestamptz(3)
+  endsAt         DateTime?    @map("ends_at") @db.Timestamptz(3)
+  createdAt      DateTime     @default(now()) @map("created_at") @db.Timestamptz(3)
+  updatedAt      DateTime     @updatedAt @map("updated_at") @db.Timestamptz(3)
+  user           User         @relation(fields: [userId], references: [id], onDelete: Cascade)
+  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Restrict)
+
+  @@index([userId, isPrimary])
+  @@index([organizationId])
+  @@map("user_affiliations")
+}