feat: add complex user invitation and management features

- Implemented complex member and invitation schemas using Zod for validation.
- Created new API endpoints for inviting, accepting, revoking, and canceling complex user invitations.
- Developed handlers for managing complex users, including listing, inviting, revoking, and canceling invitations.
- Added frontend components for displaying and managing complex users and invitations.
- Introduced session storage management for pending invitations.
- Integrated Gravatar for user avatars based on email.
- Created database migration for complex invitations table.

apps/backend/src/generated/prisma/internal/prismaNamespace.ts

@@ -390,6 +390,7 @@ export const ModelName = {
   Verification: 'Verification',
   Complex: 'Complex',
   ComplexUser: 'ComplexUser',
+  ComplexInvitation: 'ComplexInvitation',
   Sport: 'Sport',
   Court: 'Court',
   CourtAvailability: 'CourtAvailability',
@@ -413,7 +414,7 @@ export type TypeMap<ExtArgs extends runtime.Types.Extensions.InternalArgs = runt
     omit: GlobalOmitOptions
   }
   meta: {
-    modelProps: "user" | "session" | "account" | "verification" | "complex" | "complexUser" | "sport" | "court" | "courtAvailability" | "courtPriceRule" | "courtBooking" | "onboardingRequest" | "passwordResetRequest" | "plan"
+    modelProps: "user" | "session" | "account" | "verification" | "complex" | "complexUser" | "complexInvitation" | "sport" | "court" | "courtAvailability" | "courtPriceRule" | "courtBooking" | "onboardingRequest" | "passwordResetRequest" | "plan"
     txIsolationLevel: TransactionIsolationLevel
   }
   model: {
@@ -861,6 +862,80 @@ export type TypeMap<ExtArgs extends runtime.Types.Extensions.InternalArgs = runt
         }
       }
     }
+    ComplexInvitation: {
+      payload: Prisma.$ComplexInvitationPayload<ExtArgs>
+      fields: Prisma.ComplexInvitationFieldRefs
+      operations: {
+        findUnique: {
+          args: Prisma.ComplexInvitationFindUniqueArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload> | null
+        }
+        findUniqueOrThrow: {
+          args: Prisma.ComplexInvitationFindUniqueOrThrowArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        findFirst: {
+          args: Prisma.ComplexInvitationFindFirstArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload> | null
+        }
+        findFirstOrThrow: {
+          args: Prisma.ComplexInvitationFindFirstOrThrowArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        findMany: {
+          args: Prisma.ComplexInvitationFindManyArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>[]
+        }
+        create: {
+          args: Prisma.ComplexInvitationCreateArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        createMany: {
+          args: Prisma.ComplexInvitationCreateManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        createManyAndReturn: {
+          args: Prisma.ComplexInvitationCreateManyAndReturnArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>[]
+        }
+        delete: {
+          args: Prisma.ComplexInvitationDeleteArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        update: {
+          args: Prisma.ComplexInvitationUpdateArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        deleteMany: {
+          args: Prisma.ComplexInvitationDeleteManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        updateMany: {
+          args: Prisma.ComplexInvitationUpdateManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        updateManyAndReturn: {
+          args: Prisma.ComplexInvitationUpdateManyAndReturnArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>[]
+        }
+        upsert: {
+          args: Prisma.ComplexInvitationUpsertArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ComplexInvitationPayload>
+        }
+        aggregate: {
+          args: Prisma.ComplexInvitationAggregateArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.AggregateComplexInvitation>
+        }
+        groupBy: {
+          args: Prisma.ComplexInvitationGroupByArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.ComplexInvitationGroupByOutputType>[]
+        }
+        count: {
+          args: Prisma.ComplexInvitationCountArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.ComplexInvitationCountAggregateOutputType> | number
+        }
+      }
+    }
     Sport: {
       payload: Prisma.$SportPayload<ExtArgs>
       fields: Prisma.SportFieldRefs
@@ -1578,6 +1653,21 @@ export const ComplexUserScalarFieldEnum = {
 export type ComplexUserScalarFieldEnum = (typeof ComplexUserScalarFieldEnum)[keyof typeof ComplexUserScalarFieldEnum]
 
 
+export const ComplexInvitationScalarFieldEnum = {
+  id: 'id',
+  complexId: 'complexId',
+  email: 'email',
+  tokenHash: 'tokenHash',
+  expiresAt: 'expiresAt',
+  acceptedAt: 'acceptedAt',
+  revokedAt: 'revokedAt',
+  createdAt: 'createdAt',
+  updatedAt: 'updatedAt'
+} as const
+
+export type ComplexInvitationScalarFieldEnum = (typeof ComplexInvitationScalarFieldEnum)[keyof typeof ComplexInvitationScalarFieldEnum]
+
+
 export const SportScalarFieldEnum = {
   id: 'id',
   name: 'name',
@@ -1972,6 +2062,7 @@ export type GlobalOmitConfig = {
   verification?: Prisma.VerificationOmit
   complex?: Prisma.ComplexOmit
   complexUser?: Prisma.ComplexUserOmit
+  complexInvitation?: Prisma.ComplexInvitationOmit
   sport?: Prisma.SportOmit
   court?: Prisma.CourtOmit
   courtAvailability?: Prisma.CourtAvailabilityOmit