Merge pull request 'improvement/one-user-multiple-orgs' (#6) from improvement/one-user-multiple-orgs into master

Reviewed-on: http://178.131.50.201:3000/admin/dyolink/pulls/6

backend/prisma/migrations/20260429090959_add_patients_feature/migration.sql

@@ -0,0 +1,47 @@
+-- CreateTable
+CREATE TABLE "patients" (
+    "id" TEXT NOT NULL,
+    "organizationId" TEXT NOT NULL,
+    "firstName" TEXT NOT NULL,
+    "lastName" TEXT NOT NULL,
+    "phone" TEXT,
+    "email" TEXT,
+    "dateOfBirth" TIMESTAMP(3),
+    "notes" TEXT,
+    "isActive" BOOLEAN NOT NULL DEFAULT true,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "patients_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "patient_treatment_histories" (
+    "id" TEXT NOT NULL,
+    "patientId" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "status" TEXT NOT NULL,
+    "treatmentAt" TIMESTAMP(3) NOT NULL,
+    "tooth" TEXT,
+    "notes" TEXT,
+    "totalCost" DOUBLE PRECISION,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "patient_treatment_histories_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "patients_organizationId_createdAt_idx" ON "patients"("organizationId", "createdAt");
+
+-- CreateIndex
+CREATE INDEX "patients_organizationId_lastName_firstName_idx" ON "patients"("organizationId", "lastName", "firstName");
+
+-- CreateIndex
+CREATE INDEX "patient_treatment_histories_patientId_treatmentAt_idx" ON "patient_treatment_histories"("patientId", "treatmentAt");
+
+-- AddForeignKey
+ALTER TABLE "patients" ADD CONSTRAINT "patients_organizationId_fkey" FOREIGN KEY ("organizationId") REFERENCES "organizations"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "patient_treatment_histories" ADD CONSTRAINT "patient_treatment_histories_patientId_fkey" FOREIGN KEY ("patientId") REFERENCES "patients"("id") ON DELETE CASCADE ON UPDATE CASCADE;

backend/prisma/migrations/20260429134000_add_user_trial_used_at/migration.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "users"
+ADD COLUMN "trialUsedAt" TIMESTAMP(3);

backend/prisma/schema.prisma

@@ -15,6 +15,7 @@ model User {
   googleId     String? @unique
   facebookId   String? @unique
   name         String
+  trialUsedAt  DateTime?
 
   memberships        Membership[]
   ownedOrganizations Organization[] @relation("OrganizationOwner")
@@ -55,6 +56,7 @@ model Organization {
 
   sharedWithMe     OrganizationLink[] @relation("OrganizationB")
   sharedWithOthers OrganizationLink[] @relation("OrganizationA")
+  patients         Patient[]
 
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
@@ -62,6 +64,45 @@ model Organization {
   @@map("organizations")
 }
 
+model Patient {
+  id             String   @id @default(uuid())
+  organizationId String
+  firstName      String
+  lastName       String
+  phone          String?
+  email          String?
+  dateOfBirth    DateTime?
+  notes          String?
+  isActive       Boolean  @default(true)
+  createdAt      DateTime @default(now())
+  updatedAt      DateTime @updatedAt
+
+  organization Organization             @relation(fields: [organizationId], references: [id])
+  treatments   PatientTreatmentHistory[]
+
+  @@index([organizationId, createdAt])
+  @@index([organizationId, lastName, firstName])
+  @@map("patients")
+}
+
+model PatientTreatmentHistory {
+  id          String   @id @default(uuid())
+  patientId   String
+  title       String
+  status      String
+  treatmentAt DateTime
+  tooth       String?
+  notes       String?
+  totalCost   Float?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  patient Patient @relation(fields: [patientId], references: [id], onDelete: Cascade)
+
+  @@index([patientId, treatmentAt])
+  @@map("patient_treatment_histories")
+}
+
 model Plan {
   id       String @id @default(uuid())
   name     String @unique // "Solo", "Small", "Medium", "Large", "Enterprise"

backend/prisma/seed.ts

@@ -1,6 +1,5 @@
 // backend/prisma/seed.ts
 import { PrismaClient } from '@prisma/client';
-import * as bcrypt from 'bcrypt';
 import { config } from 'dotenv';
 import path from 'path';
 
@@ -29,14 +28,14 @@ async function main() {
   console.log('✅ Database connected successfully');
 
   // Create organization types
-  const clinicType = await prisma.organizationType.upsert({
+  await prisma.organizationType.upsert({
     where: { name: 'CLINIC' },
     update: {},
     create: { name: 'CLINIC' },
   });
   console.log('✅ Created clinic type');
 
-  const labType = await prisma.organizationType.upsert({
+  await prisma.organizationType.upsert({
     where: { name: 'LAB' },
     update: {},
     create: { name: 'LAB' },
@@ -61,32 +60,39 @@ async function main() {
   }
   console.log('✅ Created plans');
 
-  // Create features and permissions
+  // Minimal permission model (confirmed):
+  // - Sidebar tabs use READ/EDIT
+  // - EDIT implies READ in app logic
+  // - Owners effectively get all permissions
   const features = [
     {
-      name: 'Patient Management',
+      name: 'Today',
-      permissions: ['VIEW_PATIENTS', 'CREATE_PATIENTS', 'EDIT_PATIENTS', 'DELETE_PATIENTS']
+      permissions: ['TAB_TODAY_READ', 'TAB_TODAY_EDIT'],
     },
     {
-      name: 'Order Management',
+      name: 'Patients',
-      permissions: ['VIEW_ORDERS', 'CREATE_ORDERS', 'EDIT_ORDERS', 'DELETE_ORDERS', 'TRACK_ORDERS']
+      permissions: ['TAB_PATIENTS_READ', 'TAB_PATIENTS_EDIT'],
     },
     {
-      name: 'Case Management',
+      name: 'Appointments',
-      permissions: ['VIEW_CASES', 'CREATE_CASES', 'EDIT_CASES', 'DELETE_CASES']
+      permissions: ['TAB_APPOINTMENTS_READ', 'TAB_APPOINTMENTS_EDIT'],
     },
     {
-      name: 'Reports',
+      name: 'Staff Management',
-      permissions: ['VIEW_REPORTS', 'EXPORT_REPORTS']
+      permissions: ['TAB_STAFF_READ', 'TAB_STAFF_EDIT'],
     },
     {
-      name: 'Team Management',
+      name: 'Lab Management',
-      permissions: ['INVITE_USERS', 'REMOVE_USERS', 'MANAGE_PERMISSIONS']
+      permissions: ['TAB_LAB_READ', 'TAB_LAB_EDIT'],
     },
     {
       name: 'Billing',
-      permissions: ['VIEW_INVOICES', 'CREATE_INVOICES', 'MANAGE_PAYMENTS']
+      permissions: ['TAB_BILLING_READ', 'TAB_BILLING_EDIT'],
-    }
+    },
+    {
+      name: 'Reports',
+      permissions: ['TAB_REPORTS_READ', 'TAB_REPORTS_EDIT'],
+    },
   ];
 
   for (const feature of features) {
@@ -109,7 +115,7 @@ async function main() {
   }
   console.log('✅ Created features and permissions');
 
-  console.log('🌱 Seeding completed successfully!'); ``
+  console.log('🌱 Seeding completed successfully!');
 }
 
 main()

backend/src/app.module.ts

@@ -6,6 +6,7 @@ import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { AdminModule } from './admin/admin.module';
 import { PrismaModule } from '../prisma/prisma.module'; // ✅
+import { PatientsModule } from './modules/patients/patients.module';
 
 @Module({
   imports: [
@@ -15,6 +16,7 @@ import { PrismaModule } from '../prisma/prisma.module'; // ✅
     }),
     PrismaModule, // ✅ ADD THIS
     AuthModule,
+    PatientsModule,
     AdminModule.forRoot(),
   ],
   controllers: [AppController],

backend/src/modules/auth/auth.controller.ts

@@ -25,6 +25,7 @@ import {
 import { AuthService } from './auth.service';
 import { LoginDto } from './dto/login.dto';
 import { RegisterDto } from './dto/register.dto';
+import { CreateOrganizationDto } from './dto/create-organization.dto';
 import { JwtAuthGuard } from './guards/jwt-auth.guard';
 import { LocalAuthGuard } from './guards/local-auth.guard';
 
@@ -120,6 +121,14 @@ export class AuthController {
     };
   }
 
+  @Post('organizations')
+  @UseGuards(JwtAuthGuard)
+  @ApiBearerAuth('JWT-auth')
+  @ApiOperation({ summary: 'Create organization for current user' })
+  async createOrganization(@Req() req, @Body() dto: CreateOrganizationDto) {
+    return this.authService.createOrganization(req.user.id, dto);
+  }
+
   // =========================
   // PROFILE
   // =========================
@@ -136,6 +145,42 @@ export class AuthController {
     return this.authService.getProfile(req.user.id);
   }
 
+  @Get('subscription-alert')
+  @UseGuards(JwtAuthGuard)
+  @ApiBearerAuth('JWT-auth')
+  @ApiOperation({
+    summary:
+      'Owner-only: seat / trial status for warning indicator (current org from JWT)',
+  })
+  async getSubscriptionAlert(@Req() req) {
+    return this.authService.getOwnerSubscriptionAlert(
+      req.user.id,
+      req.user.organizationId,
+    );
+  }
+
+  // =========================
+  // LOGOUT
+  // =========================
+  @Post('logout')
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: 'Logout current user' })
+  @ApiResponse({ status: 200, description: 'Logout successful' })
+  async logout(@Req() req, @Res({ passthrough: true }) res: Response) {
+    const accessToken = req?.cookies?.accessToken;
+
+    if (accessToken) {
+      await this.authService.logout(accessToken);
+    }
+
+    this.clearAuthCookies(res);
+
+    return {
+      success: true,
+      message: 'Logged out successfully',
+    };
+  }
+
   // =========================
   // TEST
   // =========================
@@ -174,4 +219,19 @@ export class AuthController {
       path: '/',
     });
   }
+
+  private clearAuthCookies(res: Response) {
+    res.clearCookie('accessToken', {
+      httpOnly: true,
+      secure: false,
+      sameSite: 'lax',
+      path: '/',
+    });
+    res.clearCookie('refreshToken', {
+      httpOnly: true,
+      secure: false,
+      sameSite: 'lax',
+      path: '/',
+    });
+  }
 }

backend/src/modules/auth/auth.service.ts

@@ -12,30 +12,24 @@ import * as bcrypt from 'bcrypt';
 import { PrismaService } from '../../../prisma/prisma.service';
 import { LoginDto } from './dto/login.dto';
 import { RegisterDto } from './dto/register.dto';
+import { CreateOrganizationDto } from './dto/create-organization.dto';
 import { JwtPayload } from './interfaces/jwt-payload.interface';
 
 const ALL_PERMISSIONS = [
-  'VIEW_PATIENTS',
+  'TAB_TODAY_READ',
-  'CREATE_PATIENTS',
+  'TAB_TODAY_EDIT',
-  'EDIT_PATIENTS',
+  'TAB_PATIENTS_READ',
-  'DELETE_PATIENTS',
+  'TAB_PATIENTS_EDIT',
-  'VIEW_ORDERS',
+  'TAB_APPOINTMENTS_READ',
-  'CREATE_ORDERS',
+  'TAB_APPOINTMENTS_EDIT',
-  'EDIT_ORDERS',
+  'TAB_STAFF_READ',
-  'DELETE_ORDERS',
+  'TAB_STAFF_EDIT',
-  'TRACK_ORDERS',
+  'TAB_LAB_READ',
-  'VIEW_CASES',
+  'TAB_LAB_EDIT',
-  'CREATE_CASES',
+  'TAB_BILLING_READ',
-  'EDIT_CASES',
+  'TAB_BILLING_EDIT',
-  'DELETE_CASES',
+  'TAB_REPORTS_READ',
-  'VIEW_REPORTS',
+  'TAB_REPORTS_EDIT',
-  'EXPORT_REPORTS',
-  'INVITE_USERS',
-  'REMOVE_USERS',
-  'MANAGE_PERMISSIONS',
-  'VIEW_INVOICES',
-  'CREATE_INVOICES',
-  'MANAGE_PAYMENTS',
 ];
 
 @Injectable()
@@ -62,6 +56,7 @@ export class AuthService {
               organization: {
                 include: {
                   type: true, // Include organization type (CLINIC/LAB)
+                  plan: true,
                 }
               },
               permissions: {
@@ -148,6 +143,12 @@ export class AuthService {
         permissions: membership.isOwner
           ? ALL_PERMISSIONS
           : membership.permissions?.map(p => p.permission.name) || [],
+        plan: membership.organization.plan
+          ? {
+              name: membership.organization.plan.name,
+              maxUsers: membership.organization.plan.maxUsers,
+            }
+          : undefined,
       })) || [];
 
       return {
@@ -176,7 +177,7 @@ export class AuthService {
    * @returns Created user info without password
    */
   async register(registerDto: RegisterDto) {
-    const { email, password, name, organizationName, organizationType } = registerDto;
+    const { email, password, name, organizationName, organizationEmail, organizationType } = registerDto;
 
     // 1. Check existing user
     const existingUser = await this.prisma.user.findUnique({
@@ -184,7 +185,7 @@ export class AuthService {
     });
 
     if (existingUser) {
-      throw new ConflictException('User already exists');
+      throw new ConflictException('User already exists. Please login and create a new organization from your account.');
     }
 
     // 2. Hash password
@@ -198,16 +199,15 @@ export class AuthService {
           email,
           passwordHash: hashedPassword,
           name,
+          trialUsedAt: new Date(),
         },
       });
 
       // Create organization
       const organization = await tx.organization.create({
         data: {
-          name: registerDto.organizationName,
+          name: organizationName,
-
+          email: organizationEmail,
-          // REQUIRED FIELDS 👇
-          email: registerDto.email, // or separate org email if you have one
 
           owner: {
             connect: { id: user.id },
@@ -219,7 +219,7 @@ export class AuthService {
 
           type: {
             connect: {
-              name: registerDto.organizationType, // 'CLINIC' | 'LAB'
+              name: organizationType, // 'CLINIC' | 'LAB'
             },
           },
         },
@@ -247,6 +247,66 @@ export class AuthService {
     return this.login({ email, password } as any, validatedUser);
   }
 
+  async createOrganization(userId: string, dto: CreateOrganizationDto) {
+    const owner = await this.prisma.user.findUnique({
+      where: { id: userId },
+      select: { id: true, trialUsedAt: true },
+    });
+
+    if (!owner) {
+      throw new UnauthorizedException('User not found');
+    }
+
+    const planName = dto.planName?.trim() || 'Small';
+    const effectivePlanName = owner.trialUsedAt ? planName : 'trial';
+
+    const organization = await this.prisma.$transaction(async (tx) => {
+      const createdOrganization = await tx.organization.create({
+        data: {
+          name: dto.organizationName,
+          email: dto.organizationEmail,
+          owner: {
+            connect: { id: userId },
+          },
+          plan: {
+            connect: { name: effectivePlanName },
+          },
+          type: {
+            connect: { name: dto.organizationType },
+          },
+        },
+      });
+
+      await tx.membership.create({
+        data: {
+          userId,
+          organizationId: createdOrganization.id,
+          isOwner: true,
+        },
+      });
+
+      if (!owner.trialUsedAt) {
+        await tx.user.update({
+          where: { id: userId },
+          data: { trialUsedAt: new Date() },
+        });
+      }
+
+      return createdOrganization;
+    });
+
+    return {
+      success: true,
+      data: {
+        organization: {
+          id: organization.id,
+          name: organization.name,
+          email: organization.email,
+        },
+      },
+    };
+  }
+
   /**
    * Get user profile with all memberships and permissions
    * @param userId - User ID from JWT token
@@ -262,6 +322,7 @@ export class AuthService {
               organization: {
                 include: {
                   type: true,
+                  plan: true,
                 },
               },
               permissions: {
@@ -286,7 +347,15 @@ export class AuthService {
         name: membership.organization.name,
         type: membership.organization.type.name,
         isOwner: membership.isOwner,
-        permissions: membership.permissions?.map(p => p.permission.name) || [],
+        permissions: membership.isOwner
+          ? ALL_PERMISSIONS
+          : membership.permissions?.map(p => p.permission.name) || [],
+        plan: membership.organization.plan
+          ? {
+              name: membership.organization.plan.name,
+              maxUsers: membership.organization.plan.maxUsers,
+            }
+          : undefined,
       })) || [];
 
       return {
@@ -352,6 +421,7 @@ export class AuthService {
                   organization: {
                     include: {
                       type: true,
+                      plan: true,
                     },
                   },
                   permissions: {
@@ -397,7 +467,15 @@ export class AuthService {
         name: membership.organization.name,
         type: membership.organization.type.name,
         isOwner: membership.isOwner,
-        permissions: membership.permissions?.map(p => p.permission.name) || [],
+        permissions: membership.isOwner
+          ? ALL_PERMISSIONS
+          : membership.permissions?.map(p => p.permission.name) || [],
+        plan: membership.organization.plan
+          ? {
+              name: membership.organization.plan.name,
+              maxUsers: membership.organization.plan.maxUsers,
+            }
+          : undefined,
       })) || [];
 
       return {
@@ -569,6 +647,7 @@ export class AuthService {
                   organization: {
                     include: {
                       type: true,
+                      plan: true,
                     },
                   },
                   permissions: {
@@ -594,7 +673,15 @@ export class AuthService {
         name: membership.organization.name,
         type: membership.organization.type.name,
         isOwner: membership.isOwner,
-        permissions: membership.permissions?.map(p => p.permission.name) || [],
+        permissions: membership.isOwner
+          ? ALL_PERMISSIONS
+          : membership.permissions?.map(p => p.permission.name) || [],
+        plan: membership.organization.plan
+          ? {
+              name: membership.organization.plan.name,
+              maxUsers: membership.organization.plan.maxUsers,
+            }
+          : undefined,
       })) || [];
 
       return {
@@ -617,6 +704,7 @@ export class AuthService {
         organizationId,
       },
       include: {
+        user: true,
         organization: {
           include: {
             type: true,
@@ -638,7 +726,7 @@ export class AuthService {
     // 2. Build payload WITH org context
     const payload = {
       sub: userId,
-      email: membership.organization.email,
+      email: membership.user.email,
       organizationId: membership.organizationId,
       type: 'access',
     };
@@ -650,7 +738,9 @@ export class AuthService {
     });
 
     // 4. Format permissions
-    const permissions = membership.permissions.map(p => p.permission.name);
+    const permissions = membership.isOwner
+      ? ALL_PERMISSIONS
+      : membership.permissions.map(p => p.permission.name);
 
     return {
       success: true,
@@ -660,9 +750,101 @@ export class AuthService {
           id: membership.organization.id,
           name: membership.organization.name,
           type: membership.organization.type.name,
+          isOwner: membership.isOwner,
+          plan: membership.organization.plan
+            ? {
+                name: membership.organization.plan.name,
+                maxUsers: membership.organization.plan.maxUsers,
+              }
+            : undefined,
         },
         permissions,
       },
     };
   }
+
+  /**
+   * Owner-only subscription / seat alerts for the current org (from JWT).
+   * Used for a subtle warning indicator in the app shell (not staff-facing banners).
+   */
+  async getOwnerSubscriptionAlert(userId: string, organizationId: string | undefined) {
+    if (!organizationId) {
+      return {
+        success: true,
+        data: {
+          showWarning: false,
+          seatsLow: false,
+          trialEndingSoon: false,
+          trialExpired: false,
+        },
+      };
+    }
+
+    const membership = await this.prisma.membership.findFirst({
+      where: { userId, organizationId },
+      include: {
+        organization: {
+          include: { plan: true },
+        },
+      },
+    });
+
+    if (!membership || !membership.isOwner) {
+      return {
+        success: true,
+        data: {
+          showWarning: false,
+          seatsLow: false,
+          trialEndingSoon: false,
+          trialExpired: false,
+        },
+      };
+    }
+
+    const org = membership.organization;
+    const plan = org.plan;
+    const maxUsers = plan.maxUsers;
+    const seatsUsed = await this.prisma.membership.count({
+      where: { organizationId: org.id },
+    });
+
+    const unlimited = maxUsers >= 999999;
+    const remaining = unlimited ? Infinity : maxUsers - seatsUsed;
+    const seatsLow =
+      !unlimited && remaining >= 0 && remaining <= 2 && maxUsers > 0;
+
+    let trialEndingSoon = false;
+    let trialExpired = false;
+    let daysUntilTrialEnd: number | null = null;
+    let trialEndsAt: string | null = null;
+
+    if (plan.name === 'trial') {
+      const end = new Date(org.createdAt);
+      end.setDate(end.getDate() + 30);
+      trialEndsAt = end.toISOString();
+      const ms = end.getTime() - Date.now();
+      daysUntilTrialEnd = Math.ceil(ms / (1000 * 60 * 60 * 24));
+      if (daysUntilTrialEnd <= 0) {
+        trialExpired = true;
+      } else if (daysUntilTrialEnd <= 7) {
+        trialEndingSoon = true;
+      }
+    }
+
+    const showWarning = seatsLow || trialEndingSoon || trialExpired;
+
+    return {
+      success: true,
+      data: {
+        showWarning,
+        seatsLow,
+        trialEndingSoon,
+        trialExpired,
+        seatsUsed,
+        seatsLimit: maxUsers,
+        daysUntilTrialEnd,
+        trialEndsAt,
+      },
+    };
+  }
 }

backend/src/modules/auth/dto/create-organization.dto.ts

@@ -0,0 +1,16 @@
+import { IsEmail, IsEnum, IsOptional, IsString } from 'class-validator';
+
+export class CreateOrganizationDto {
+  @IsString()
+  organizationName: string;
+
+  @IsEmail()
+  organizationEmail: string;
+
+  @IsEnum(['CLINIC', 'LAB'])
+  organizationType: 'CLINIC' | 'LAB';
+
+  @IsOptional()
+  @IsString()
+  planName?: string;
+}

backend/src/modules/auth/dto/register.dto.ts

@@ -14,6 +14,9 @@ export class RegisterDto {
   @IsString()
   organizationName: string;
 
+  @IsEmail()
+  organizationEmail: string;
+
   @IsEnum(['CLINIC', 'LAB'])
   organizationType: 'CLINIC' | 'LAB';
 }

backend/src/modules/auth/interfaces/jwt-payload.interface.ts

@@ -2,6 +2,7 @@
 export interface JwtPayload {
   sub: string; // user id
   email: string;
+  organizationId?: string;
   type?: 'access' | 'refresh';
 }
 

backend/src/modules/auth/strategies/jwt.strategy.ts

@@ -31,6 +31,9 @@ export class JwtStrategy extends PassportStrategy(Strategy) {
     }
 
     const { passwordHash, ...result } = user;
-    return result;
+    return {
+      ...result,
+      organizationId: payload.organizationId,
+    };
   }
 }

backend/src/modules/patients/dto/create-patient.dto.ts

@@ -0,0 +1,29 @@
+import { IsDateString, IsEmail, IsOptional, IsString, MaxLength } from 'class-validator';
+
+export class CreatePatientDto {
+  @IsString()
+  @MaxLength(80)
+  firstName: string;
+
+  @IsString()
+  @MaxLength(80)
+  lastName: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(30)
+  phone?: string;
+
+  @IsOptional()
+  @IsEmail()
+  email?: string;
+
+  @IsOptional()
+  @IsDateString()
+  dateOfBirth?: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(1000)
+  notes?: string;
+}

backend/src/modules/patients/dto/create-treatment-history.dto.ts

@@ -0,0 +1,28 @@
+import { IsDateString, IsNumber, IsOptional, IsString, MaxLength } from 'class-validator';
+
+export class CreateTreatmentHistoryDto {
+  @IsString()
+  @MaxLength(120)
+  title: string;
+
+  @IsString()
+  @MaxLength(40)
+  status: string;
+
+  @IsDateString()
+  treatmentAt: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(20)
+  tooth?: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(1000)
+  notes?: string;
+
+  @IsOptional()
+  @IsNumber()
+  totalCost?: number;
+}

backend/src/modules/patients/dto/list-patients.dto.ts

@@ -0,0 +1,21 @@
+import { Transform } from 'class-transformer';
+import { IsInt, IsOptional, IsString, Max, Min } from 'class-validator';
+
+export class ListPatientsDto {
+  @IsOptional()
+  @IsString()
+  q?: string;
+
+  @IsOptional()
+  @Transform(({ value }) => Number(value))
+  @IsInt()
+  @Min(1)
+  page = 1;
+
+  @IsOptional()
+  @Transform(({ value }) => Number(value))
+  @IsInt()
+  @Min(1)
+  @Max(100)
+  limit = 10;
+}

backend/src/modules/patients/dto/update-patient.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreatePatientDto } from './create-patient.dto';
+
+export class UpdatePatientDto extends PartialType(CreatePatientDto) {}

backend/src/modules/patients/patients.controller.ts

@@ -0,0 +1,77 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  ParseIntPipe,
+  Patch,
+  Post,
+  Query,
+  Req,
+  UseGuards,
+} from '@nestjs/common';
+import { ApiBearerAuth, ApiOperation, ApiTags } from '@nestjs/swagger';
+import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
+import { CreatePatientDto } from './dto/create-patient.dto';
+import { ListPatientsDto } from './dto/list-patients.dto';
+import { UpdatePatientDto } from './dto/update-patient.dto';
+import { PatientsService } from './patients.service';
+import { CreateTreatmentHistoryDto } from './dto/create-treatment-history.dto';
+
+@ApiTags('patients')
+@ApiBearerAuth('JWT-auth')
+@UseGuards(JwtAuthGuard)
+@Controller('patients')
+export class PatientsController {
+  constructor(private readonly patientsService: PatientsService) {}
+
+  @Post()
+  @ApiOperation({ summary: 'Create a patient for current organization' })
+  create(@Body() createPatientDto: CreatePatientDto, @Req() req) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.create(createPatientDto, organizationId);
+  }
+
+  @Get()
+  @ApiOperation({ summary: 'List patients with search and pagination' })
+  findAll(@Query() query: ListPatientsDto, @Req() req) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.findAll(query, organizationId);
+  }
+
+  @Get(':id')
+  @ApiOperation({ summary: 'Get one patient by id' })
+  findOne(@Param('id') id: string, @Req() req) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.findOne(id, organizationId);
+  }
+
+  @Patch(':id')
+  @ApiOperation({ summary: 'Update patient' })
+  update(@Param('id') id: string, @Body() updatePatientDto: UpdatePatientDto, @Req() req) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.update(id, updatePatientDto, organizationId);
+  }
+
+  @Get(':id/treatments')
+  @ApiOperation({ summary: 'Get patient treatment history' })
+  findTreatments(
+    @Param('id') id: string,
+    @Query('limit', new ParseIntPipe({ optional: true })) limit = 20,
+    @Req() req,
+  ) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.findTreatments(id, organizationId, limit);
+  }
+
+  @Post(':id/treatments')
+  @ApiOperation({ summary: 'Add treatment history item for a patient' })
+  addTreatment(
+    @Param('id') id: string,
+    @Body() dto: CreateTreatmentHistoryDto,
+    @Req() req,
+  ) {
+    const organizationId = this.patientsService.getOrganizationIdFromUser(req.user);
+    return this.patientsService.addTreatment(id, dto, organizationId);
+  }
+}

backend/src/modules/patients/patients.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { PrismaService } from '../../../prisma/prisma.service';
+import { PatientsController } from './patients.controller';
+import { PatientsService } from './patients.service';
+
+@Module({
+  controllers: [PatientsController],
+  providers: [PatientsService, PrismaService],
+})
+export class PatientsModule {}

backend/src/modules/patients/patients.service.ts

@@ -0,0 +1,140 @@
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
+import { Prisma } from '@prisma/client';
+import { PrismaService } from '../../../prisma/prisma.service';
+import { CreatePatientDto } from './dto/create-patient.dto';
+import { ListPatientsDto } from './dto/list-patients.dto';
+import { UpdatePatientDto } from './dto/update-patient.dto';
+import { CreateTreatmentHistoryDto } from './dto/create-treatment-history.dto';
+
+@Injectable()
+export class PatientsService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async create(createPatientDto: CreatePatientDto, organizationId: string) {
+    const patient = await this.prisma.patient.create({
+      data: {
+        ...createPatientDto,
+        dateOfBirth: createPatientDto.dateOfBirth ? new Date(createPatientDto.dateOfBirth) : null,
+        organizationId,
+      },
+    });
+
+    return { success: true, data: patient };
+  }
+
+  async findAll(query: ListPatientsDto, organizationId: string) {
+    const { page = 1, limit = 10, q } = query;
+    const skip = (page - 1) * limit;
+
+    const where: Prisma.PatientWhereInput = {
+      organizationId,
+      ...(q
+        ? {
+            OR: [
+              { firstName: { contains: q, mode: 'insensitive' } },
+              { lastName: { contains: q, mode: 'insensitive' } },
+              { email: { contains: q, mode: 'insensitive' } },
+              { phone: { contains: q, mode: 'insensitive' } },
+            ],
+          }
+        : {}),
+    };
+
+    const [items, total] = await Promise.all([
+      this.prisma.patient.findMany({
+        where,
+        skip,
+        take: limit,
+        orderBy: [{ updatedAt: 'desc' }],
+      }),
+      this.prisma.patient.count({ where }),
+    ]);
+
+    return {
+      success: true,
+      data: {
+        items,
+        pagination: {
+          page,
+          limit,
+          total,
+          totalPages: Math.max(1, Math.ceil(total / limit)),
+        },
+      },
+    };
+  }
+
+  async findOne(id: string, organizationId: string) {
+    const patient = await this.prisma.patient.findFirst({
+      where: { id, organizationId },
+    });
+
+    if (!patient) {
+      throw new NotFoundException('Patient not found');
+    }
+
+    return { success: true, data: patient };
+  }
+
+  async update(id: string, updatePatientDto: UpdatePatientDto, organizationId: string) {
+    await this.ensurePatient(id, organizationId);
+
+    const patient = await this.prisma.patient.update({
+      where: { id },
+      data: {
+        ...updatePatientDto,
+        dateOfBirth: updatePatientDto.dateOfBirth ? new Date(updatePatientDto.dateOfBirth) : undefined,
+      },
+    });
+
+    return { success: true, data: patient };
+  }
+
+  async findTreatments(patientId: string, organizationId: string, limit = 20) {
+    await this.ensurePatient(patientId, organizationId);
+
+    const items = await this.prisma.patientTreatmentHistory.findMany({
+      where: { patientId },
+      orderBy: [{ treatmentAt: 'desc' }],
+      take: limit,
+    });
+
+    return { success: true, data: items };
+  }
+
+  async addTreatment(
+    patientId: string,
+    dto: CreateTreatmentHistoryDto,
+    organizationId: string,
+  ) {
+    await this.ensurePatient(patientId, organizationId);
+
+    const treatment = await this.prisma.patientTreatmentHistory.create({
+      data: {
+        ...dto,
+        treatmentAt: new Date(dto.treatmentAt),
+        patientId,
+      },
+    });
+
+    return { success: true, data: treatment };
+  }
+
+  private async ensurePatient(id: string, organizationId: string) {
+    const patient = await this.prisma.patient.findFirst({
+      where: { id, organizationId },
+      select: { id: true },
+    });
+
+    if (!patient) {
+      throw new NotFoundException('Patient not found');
+    }
+  }
+
+  getOrganizationIdFromUser(user: { organizationId?: string }) {
+    if (!user?.organizationId) {
+      throw new BadRequestException('Organization is not selected');
+    }
+    return user.organizationId;
+  }
+}

frontend/src/app/(dashboard)/appointments/page.tsx

@@ -0,0 +1,10 @@
+export default function AppointmentsPage() {
+  return (
+    <div className="space-y-3">
+      <h1 className="text-2xl font-semibold text-text-primary">Appointments</h1>
+      <p className="text-sm text-text-secondary">
+        Appointments module is coming soon.
+      </p>
+    </div>
+  );
+}

frontend/src/app/(dashboard)/lab/page.tsx

@@ -0,0 +1,10 @@
+export default function LabPage() {
+  return (
+    <div className="space-y-3">
+      <h1 className="text-2xl font-semibold text-text-primary">Lab Management</h1>
+      <p className="text-sm text-text-secondary">
+        Lab management module is coming soon.
+      </p>
+    </div>
+  );
+}

frontend/src/app/(dashboard)/layout.tsx

@@ -1,14 +1,14 @@
 'use client';
 
-import { useEffect } from 'react';
+import { memo, useEffect } from 'react';
 import { useRouter } from 'next/navigation';
 import { useAuth } from '@/lib/hooks/useAuth';
 import Sidebar from '@/components/ui/Sidebar';
 import { ThemeToggle } from '@/components/ui/ThemeToggle';
-import { LogOut } from 'lucide-react';
+import { DashboardAccountMenu } from '@/components/ui/DashboardAccountMenu';
 
 export default function DashboardLayout({ children }: { children: React.ReactNode }) {
-  const { user, currentOrganization, isAuthReady, logout } = useAuth();
+  const { user, currentOrganization, isAuthReady } = useAuth();
   const router = useRouter();
 
   // ✅ AUTH GUARD (runs once per navigation group)
@@ -48,21 +48,7 @@ export default function DashboardLayout({ children }: { children: React.ReactNod
       <Sidebar />
 
       <div className="flex-1 flex flex-col">
-        <header className="flex justify-between px-6 py-4 border-b border-border/70 backdrop-blur-sm">
+        <DashboardHeader organizationName={currentOrganization.name} />
-          <h2 className="text-lg font-medium">{currentOrganization.name}</h2>
-
-          <div className="flex items-center gap-4">
-            <ThemeToggle />
-            <span className="text-sm text-text-secondary">{user.name}</span>
-            <button
-              onClick={logout}
-              className="inline-flex items-center gap-2 text-sm text-text-secondary hover:text-text-primary transition-colors"
-            >
-              <LogOut className="w-4 h-4 icon-flat" />
-              Logout
-            </button>
-          </div>
-        </header>
 
         <main className="p-6 flex-1 overflow-y-auto">
           <div className="surface-panel p-6 min-h-full">
@@ -73,3 +59,20 @@ export default function DashboardLayout({ children }: { children: React.ReactNod
     </div>
   );
 }
+
+const DashboardHeader = memo(function DashboardHeader({
+  organizationName,
+}: {
+  organizationName: string;
+}) {
+  return (
+    <header className="h-[71px] flex justify-between items-center gap-4 px-6 border-b border-border/70 backdrop-blur-sm">
+      <h2 className="text-lg font-medium truncate min-w-0">{organizationName}</h2>
+
+      <div className="flex items-center gap-3 shrink-0">
+        <ThemeToggle />
+        <DashboardAccountMenu />
+      </div>
+    </header>
+  );
+});

frontend/src/app/(dashboard)/patients/page.tsx

@@ -0,0 +1,219 @@
+'use client';
+
+import { useEffect, useMemo, useState } from 'react';
+import { Plus } from 'lucide-react';
+import { Button } from '@/components/ui/Button';
+import { patientsApi } from '@/lib/api/patients';
+import {
+  CreatePatientInput,
+  CreateTreatmentHistoryInput,
+  Patient,
+  TreatmentHistoryItem,
+} from '@/types/patient';
+import { PatientSearchSelect } from '@/components/patients/PatientSearchSelect';
+import { CreatePatientModal } from '@/components/patients/CreatePatientModal';
+import { PatientSummaryCard } from '@/components/patients/PatientSummaryCard';
+import { TreatmentHistoryPreview } from '@/components/patients/TreatmentHistoryPreview';
+
+const EMPTY_PATIENT_FORM: CreatePatientInput = {
+  firstName: '',
+  lastName: '',
+  phone: '',
+  email: '',
+};
+
+export default function PatientsPage() {
+  const [search, setSearch] = useState('');
+  const [patients, setPatients] = useState<Patient[]>([]);
+  const [selectedPatient, setSelectedPatient] = useState<Patient | undefined>();
+  const [treatments, setTreatments] = useState<TreatmentHistoryItem[]>([]);
+  const [loadingPatients, setLoadingPatients] = useState(false);
+  const [loadingTreatments, setLoadingTreatments] = useState(false);
+  const [isCreateOpen, setIsCreateOpen] = useState(false);
+  const [savingPatient, setSavingPatient] = useState(false);
+  const [savingTreatment, setSavingTreatment] = useState(false);
+  const [patientForm, setPatientForm] = useState<CreatePatientInput>(EMPTY_PATIENT_FORM);
+  const [errorMessage, setErrorMessage] = useState<string>('');
+  const [successMessage, setSuccessMessage] = useState<string>('');
+
+  const sortedPatients = useMemo(
+    () =>
+      [...patients].sort((a, b) =>
+        `${a.firstName} ${a.lastName}`.localeCompare(`${b.firstName} ${b.lastName}`),
+      ),
+    [patients],
+  );
+
+  useEffect(() => {
+    const timeout = setTimeout(() => {
+      void loadPatients(search);
+    }, 300);
+    return () => clearTimeout(timeout);
+  }, [search]);
+
+  useEffect(() => {
+    void loadPatients('');
+  }, []);
+
+  useEffect(() => {
+    if (!successMessage) {
+      return;
+    }
+
+    const timeout = setTimeout(() => {
+      setSuccessMessage('');
+    }, 3000);
+
+    return () => clearTimeout(timeout);
+  }, [successMessage]);
+
+  async function loadPatients(q: string) {
+    setLoadingPatients(true);
+    setErrorMessage('');
+    try {
+      const response = await patientsApi.list({ q, page: 1, limit: 25 });
+      const items = response.data.items;
+      setPatients(items);
+
+      if (selectedPatient) {
+        const freshSelected = items.find((item) => item.id === selectedPatient.id);
+        setSelectedPatient(freshSelected);
+      }
+    } catch (error: any) {
+      const message = Array.isArray(error?.message) ? error.message.join(', ') : error?.message;
+      setErrorMessage(message || 'Failed to load patients.');
+    } finally {
+      setLoadingPatients(false);
+    }
+  }
+
+  async function loadTreatments(patientId: string) {
+    setLoadingTreatments(true);
+    setErrorMessage('');
+    try {
+      const response = await patientsApi.listTreatments(patientId);
+      setTreatments(response.data);
+    } catch (error: any) {
+      const message = Array.isArray(error?.message) ? error.message.join(', ') : error?.message;
+      setErrorMessage(message || 'Failed to load treatment history.');
+    } finally {
+      setLoadingTreatments(false);
+    }
+  }
+
+  async function handleCreatePatient() {
+    setSavingPatient(true);
+    setErrorMessage('');
+    setSuccessMessage('');
+    try {
+      const response = await patientsApi.create(patientForm);
+      setIsCreateOpen(false);
+      setPatientForm(EMPTY_PATIENT_FORM);
+      await loadPatients(search);
+      setSelectedPatient(response.data);
+      await loadTreatments(response.data.id);
+      setSuccessMessage(
+        `Patient ${response.data.firstName} ${response.data.lastName} was saved successfully.`,
+      );
+    } catch (error: any) {
+      const message = Array.isArray(error?.message) ? error.message.join(', ') : error?.message;
+      setErrorMessage(message || 'Failed to save patient.');
+    } finally {
+      setSavingPatient(false);
+    }
+  }
+
+  async function handleQuickAddTreatment() {
+    if (!selectedPatient) {
+      return;
+    }
+
+    const payload: CreateTreatmentHistoryInput = {
+      title: 'Initial consultation',
+      status: 'scheduled',
+      treatmentAt: new Date().toISOString(),
+      notes: 'Created from quick action on patients page.',
+    };
+
+    setSavingTreatment(true);
+    setErrorMessage('');
+    setSuccessMessage('');
+    try {
+      await patientsApi.addTreatment(selectedPatient.id, payload);
+      await loadTreatments(selectedPatient.id);
+      setSuccessMessage('Treatment entry added successfully.');
+    } catch (error: any) {
+      const message = Array.isArray(error?.message) ? error.message.join(', ') : error?.message;
+      setErrorMessage(message || 'Failed to add treatment entry.');
+    } finally {
+      setSavingTreatment(false);
+    }
+  }
+
+  return (
+    <div className="relative space-y-6 pb-20">
+      <div className="flex items-center justify-between">
+        <h1 className="text-2xl font-semibold text-text-primary">Patients</h1>
+        <Button variant="primary" className="flex items-center gap-2" onClick={() => setIsCreateOpen(true)}>
+          <Plus className="h-4 w-4 icon-flat" />
+          New Patient
+        </Button>
+      </div>
+
+      <CreatePatientModal
+        isOpen={isCreateOpen}
+        formData={patientForm}
+        onChange={(patch) => setPatientForm((prev) => ({ ...prev, ...patch }))}
+        onSubmit={handleCreatePatient}
+        onClose={() => setIsCreateOpen(false)}
+        loading={savingPatient}
+      />
+
+      <div className="grid grid-cols-1 xl:grid-cols-3 gap-6">
+        <div className="xl:col-span-1">
+          <PatientSearchSelect
+            search={search}
+            onSearchChange={setSearch}
+            patients={sortedPatients}
+            selectedPatientId={selectedPatient?.id}
+            onSelectPatient={(patient) => {
+              setSelectedPatient(patient);
+              void loadTreatments(patient.id);
+            }}
+            loading={loadingPatients}
+          />
+        </div>
+
+        <div className="xl:col-span-2 space-y-4">
+          <PatientSummaryCard patient={selectedPatient} />
+          <div className="flex">
+            <Button
+              variant="secondary"
+              disabled={!selectedPatient}
+              isLoading={savingTreatment}
+              onClick={handleQuickAddTreatment}
+            >
+              Add Quick Treatment Entry
+            </Button>
+          </div>
+          <TreatmentHistoryPreview items={treatments} loading={loadingTreatments} />
+        </div>
+      </div>
+
+      {(errorMessage || successMessage) && (
+        <div className="absolute bottom-0 left-0 right-0 z-50 w-full">
+          {errorMessage && (
+            <div className="rounded-[var(--radius-sm)] border border-red-500/50 bg-red-500/10 px-3 py-2 text-sm text-red-300 shadow-lg">
+              {errorMessage}
+            </div>
+          )}
+          {successMessage && (
+            <div className="rounded-[var(--radius-sm)] border border-emerald-500/50 bg-emerald-500/10 px-3 py-2 text-sm text-emerald-300 shadow-lg">
+              {successMessage}
+            </div>
+          )}
+        </div>
+      )}
+    </div>
+  );
+}

frontend/src/app/(dashboard)/reports/page.tsx

@@ -0,0 +1,10 @@
+export default function ReportsPage() {
+  return (
+    <div className="space-y-3">
+      <h1 className="text-2xl font-semibold text-text-primary">Reports</h1>
+      <p className="text-sm text-text-secondary">
+        Reports module is coming soon.
+      </p>
+    </div>
+  );
+}

frontend/src/app/(dashboard)/settings/account/page.tsx

@@ -0,0 +1,29 @@
+'use client';
+
+import Link from 'next/link';
+
+export default function AccountSettingsPage() {
+  return (
+    <div className="max-w-xl space-y-6">
+      <div>
+        <Link
+          href="/today"
+          className="text-sm text-primary hover:opacity-90"
+        >
+          ← Back to app
+        </Link>
+        <h1 className="text-2xl font-semibold text-text-primary mt-4">Account</h1>
+        <p className="text-text-secondary text-sm mt-2">
+          Profile and security settings for your login.
+        </p>
+      </div>
+
+      <div className="surface-card p-6 space-y-3">
+        <p className="text-sm text-text-secondary">
+          Password change and profile editing will be wired here next (e.g. invite
+          flow, reset password).
+        </p>
+      </div>
+    </div>
+  );
+}

frontend/src/app/(dashboard)/settings/subscriptions/page.tsx

@@ -0,0 +1,103 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import Link from 'next/link';
+import { useRouter } from 'next/navigation';
+import { useAuth } from '@/lib/hooks/useAuth';
+import { authApi } from '@/lib/api/auth';
+import type { SubscriptionAlertData } from '@/types';
+
+export default function SubscriptionsSettingsPage() {
+  const { currentOrganization } = useAuth();
+  const router = useRouter();
+  const [alert, setAlert] = useState<SubscriptionAlertData | null>(null);
+
+  useEffect(() => {
+    if (currentOrganization && !currentOrganization.isOwner) {
+      router.replace('/today');
+    }
+  }, [currentOrganization, router]);
+
+  useEffect(() => {
+    if (!currentOrganization?.isOwner) return;
+    void authApi.getSubscriptionAlert().then((r) => {
+      if (r.success) setAlert(r.data);
+    });
+  }, [currentOrganization?.id, currentOrganization?.isOwner]);
+
+  if (!currentOrganization) {
+    return (
+      <p className="text-text-secondary text-sm">Loading...</p>
+    );
+  }
+
+  if (!currentOrganization.isOwner) {
+    return (
+      <p className="text-text-secondary text-sm">Redirecting...</p>
+    );
+  }
+
+  const plan = currentOrganization.plan;
+  const maxUsers = plan?.maxUsers;
+
+  return (
+    <div className="max-w-xl space-y-6">
+      <div>
+        <Link
+          href="/today"
+          className="text-sm text-primary hover:opacity-90"
+        >
+          ← Back to app
+        </Link>
+        <h1 className="text-2xl font-semibold text-text-primary mt-4">Subscriptions</h1>
+        <p className="text-text-secondary text-sm mt-2">
+          Your DyoLink workspace plan and seats for{' '}
+          <span className="text-text-primary font-medium">{currentOrganization.name}</span>.
+          Clinic and lab income tracking stays under the sidebar{' '}
+          <span className="text-text-primary">Billing</span> tab.
+        </p>
+      </div>
+
+      <div className="surface-card p-6 space-y-4">
+        <div className="flex flex-wrap gap-4 justify-between">
+          <div>
+            <p className="text-xs text-text-muted uppercase tracking-wide">Current plan</p>
+            <p className="text-lg font-medium text-text-primary capitalize">
+              {plan?.name ?? '—'}
+            </p>
+          </div>
+          {typeof maxUsers === 'number' && maxUsers < 999999 && (
+            <div>
+              <p className="text-xs text-text-muted uppercase tracking-wide">Seats (this org)</p>
+              <p className="text-lg font-medium text-text-primary">
+                {alert?.seatsUsed ?? '—'} / {maxUsers}
+              </p>
+            </div>
+          )}
+        </div>
+
+        {alert?.showWarning && (
+          <div className="text-sm text-text-secondary space-y-1">
+            {alert.trialExpired && (
+              <p>Trial period has ended. Choose a plan when checkout is available.</p>
+            )}
+            {!alert.trialExpired && alert.trialEndingSoon && (
+              <p>
+                Trial ends in {alert.daysUntilTrialEnd ?? '—'} day(s).
+              </p>
+            )}
+            {!alert.trialExpired && !alert.trialEndingSoon && alert.seatsLow && (
+              <p>Seat usage is high for this organization.</p>
+            )}
+          </div>
+        )}
+
+        <p className="text-sm text-text-secondary">
+          Payment and plan upgrades will connect here. The warning on the settings
+          icon is only shown to workspace owners when seats are low or the trial window
+          is ending.
+        </p>
+      </div>
+    </div>
+  );
+}

frontend/src/app/(dashboard)/staff/page.tsx

@@ -0,0 +1,10 @@
+export default function StaffPage() {
+  return (
+    <div className="space-y-3">
+      <h1 className="text-2xl font-semibold text-text-primary">Staff Management</h1>
+      <p className="text-sm text-text-secondary">
+        Staff management module is coming soon.
+      </p>
+    </div>
+  );
+}

frontend/src/app/(public)/register/page.tsx

@@ -18,6 +18,7 @@ const registerSchema = z.object({
         .regex(/[0-9]/, 'Password must contain at least one number'),
     confirmPassword: z.string(),
     organizationName: z.string().min(2, 'Organization name must be at least 2 characters'),
+    organizationEmail: z.string().email('Please enter a valid organization email'),
     organizationType: z.enum(['CLINIC', 'LAB'], {
         message: 'Please select organization type',
     }),
@@ -47,7 +48,7 @@ export default function RegisterPage() {
     const handleNext = async () => {
         const fieldsToValidate = step === 1
             ? ['name', 'email', 'password', 'confirmPassword']
-            : ['organizationName', 'organizationType'];
+            : ['organizationName', 'organizationEmail', 'organizationType'];
 
         const isValid = await trigger(fieldsToValidate as any);
         if (isValid) {
@@ -62,6 +63,7 @@ export default function RegisterPage() {
                 data.password,
                 data.name,
                 data.organizationName,
+                data.organizationEmail,
                 data.organizationType
             );
             // No need to redirect - auth context will handle it
@@ -182,6 +184,14 @@ export default function RegisterPage() {
                                     error={errors.organizationName?.message}
                                     icon={<Building2 className="h-5 w-5 icon-flat" />}
                                 />
+                                <Input
+                                    label="Organization email"
+                                    {...register('organizationEmail')}
+                                    type="email"
+                                    placeholder="contact@sunshineclinic.com"
+                                    error={errors.organizationEmail?.message}
+                                    icon={<Mail className="h-5 w-5 icon-flat" />}
+                                />
                                 <div>
                                     <label className="block text-sm font-medium text-text-secondary mb-2">
                                         Organization type

frontend/src/app/(public)/select-organization/page.tsx

@@ -1,18 +1,17 @@
 'use client';
 
-import { useEffect } from 'react';
+import { useState } from 'react';
 import { useAuth } from '@/lib/hooks/useAuth';
-import { Building2, Beaker } from 'lucide-react';
+import { Building2, Beaker, Mail, Plus } from 'lucide-react';
+import { Input } from '@/components/ui/Input';
+import { Button } from '@/components/ui/Button';
 
 export default function SelectOrganizationPage() {
-  const { organizations, selectOrganization, isLoading } = useAuth();
+  const { organizations, selectOrganization, createOrganization, isLoading, error, clearError } = useAuth();
-
+  const [isCreateOpen, setIsCreateOpen] = useState(false);
-  // ✅ Auto-redirect if only one organization
+  const [organizationName, setOrganizationName] = useState('');
-  useEffect(() => {
+  const [organizationEmail, setOrganizationEmail] = useState('');
-    if (!isLoading && organizations.length === 1) {
+  const [organizationType, setOrganizationType] = useState<'CLINIC' | 'LAB'>('CLINIC');
-      selectOrganization(organizations[0].id);
-    }
-  }, [organizations, isLoading]);
 
   const getIcon = (type: string) => {
     return type === 'CLINIC'
@@ -20,34 +19,125 @@ export default function SelectOrganizationPage() {
       : <Beaker className="h-8 w-8 icon-flat" />;
   };
 
+  const handleCreateOrganization = async () => {
+    try {
+      clearError();
+      const createdId = await createOrganization(
+        organizationName.trim(),
+        organizationEmail.trim(),
+        organizationType,
+      );
+      setOrganizationName('');
+      setOrganizationEmail('');
+      setOrganizationType('CLINIC');
+      setIsCreateOpen(false);
+      await selectOrganization(createdId);
+    } catch {
+      // Error is already handled in auth context.
+    }
+  };
+
   if (isLoading) {
     return (
       <div className="min-h-screen app-web-bg flex items-center justify-center">
-        <p className="text-text-secondary">Loading organizations...</p>
+        <p className="text-text-secondary">Loading...</p>
-      </div>
-    );
-  }
-
-  if (!organizations.length) {
-    return (
-      <div className="min-h-screen app-web-bg flex items-center justify-center">
-        <p className="text-text-secondary">No organizations found.</p>
       </div>
     );
   }
 
   return (
-    <div className="min-h-screen app-web-bg flex items-center justify-center p-4">
+    <div className="min-h-screen app-web-bg p-4 sm:p-8">
-      <div className="max-w-2xl w-full">
+      <div className="max-w-3xl mx-auto">
-        <div className="text-center mb-8">
+        <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-8">
-          <h1 className="text-3xl font-semibold text-text-primary">
+          <div>
-            Choose Organization
+            <h1 className="text-3xl font-semibold text-text-primary">Organizations</h1>
-          </h1>
             <p className="text-text-secondary mt-2">
-            You have access to multiple organizations. Select one to continue.
+              Select an organization to continue, or create a new one.
             </p>
           </div>
+          <Button
+            type="button"
+            variant={isCreateOpen ? 'outline' : 'primary'}
+            onClick={() => {
+              clearError();
+              setIsCreateOpen(prev => !prev);
+            }}
+          >
+            <Plus className="h-4 w-4 mr-2 icon-flat" />
+            {isCreateOpen ? 'Cancel' : 'Create Organization'}
+          </Button>
+        </div>
 
+        {isCreateOpen && (
+          <div className="surface-card p-6 mb-6 space-y-4">
+            <Input
+              label="Organization name"
+              value={organizationName}
+              onChange={(event) => setOrganizationName(event.target.value)}
+              placeholder="Sunshine Dental Clinic"
+              icon={<Building2 className="h-5 w-5 icon-flat" />}
+            />
+            <Input
+              label="Organization email"
+              value={organizationEmail}
+              onChange={(event) => setOrganizationEmail(event.target.value)}
+              placeholder="contact@sunshineclinic.com"
+              type="email"
+              icon={<Mail className="h-5 w-5 icon-flat" />}
+            />
+            <div>
+              <label className="block text-sm font-medium text-text-secondary mb-2">
+                Organization type
+              </label>
+              <div className="grid grid-cols-2 gap-3">
+                <button
+                  type="button"
+                  onClick={() => setOrganizationType('CLINIC')}
+                  className={`p-3 border rounded-[var(--radius-md)] text-sm ${
+                    organizationType === 'CLINIC'
+                      ? 'border-primary/60 bg-primary-soft text-text-primary'
+                      : 'border-border text-text-secondary hover:border-border-strong'
+                  }`}
+                >
+                  Dental Clinic
+                </button>
+                <button
+                  type="button"
+                  onClick={() => setOrganizationType('LAB')}
+                  className={`p-3 border rounded-[var(--radius-md)] text-sm ${
+                    organizationType === 'LAB'
+                      ? 'border-primary/60 bg-primary-soft text-text-primary'
+                      : 'border-border text-text-secondary hover:border-border-strong'
+                  }`}
+                >
+                  Dental Lab
+                </button>
+              </div>
+            </div>
+            {error && (
+              <div className="p-3 bg-red-950/30 border border-red-600/40 rounded-[var(--radius-md)]">
+                <p className="text-sm text-red-600">{error}</p>
+              </div>
+            )}
+            <div className="flex justify-end">
+              <Button
+                type="button"
+                variant="primary"
+                onClick={handleCreateOrganization}
+                isLoading={isLoading}
+                disabled={!organizationName.trim() || !organizationEmail.trim()}
+              >
+                Create and Continue
+              </Button>
+            </div>
+          </div>
+        )}
+
+        {!organizations.length ? (
+          <div className="surface-card p-8 text-center">
+            <p className="text-text-secondary">No organizations found. Create your first one to continue.</p>
+          </div>
+        ) : (
           <div className="grid gap-4">
             {organizations.map((org) => (
               <button
@@ -74,6 +164,7 @@ export default function SelectOrganizationPage() {
               </button>
             ))}
           </div>
+        )}
       </div>
     </div>
   );

frontend/src/components/patients/CreatePatientModal.tsx

@@ -0,0 +1,69 @@
+'use client';
+
+import { Button } from '@/components/ui/Button';
+import { Input } from '@/components/ui/Input';
+import { CreatePatientInput } from '@/types/patient';
+
+interface CreatePatientModalProps {
+  isOpen: boolean;
+  formData: CreatePatientInput;
+  onChange: (patch: Partial<CreatePatientInput>) => void;
+  onSubmit: () => void;
+  onClose: () => void;
+  loading?: boolean;
+}
+
+export function CreatePatientModal({
+  isOpen,
+  formData,
+  onChange,
+  onSubmit,
+  onClose,
+  loading = false,
+}: CreatePatientModalProps) {
+  if (!isOpen) {
+    return null;
+  }
+
+  return (
+    <div className="surface-card p-4 space-y-3">
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+        <Input
+          label="First name"
+          value={formData.firstName || ''}
+          onChange={(e) => onChange({ firstName: e.target.value })}
+        />
+        <Input
+          label="Last name"
+          value={formData.lastName || ''}
+          onChange={(e) => onChange({ lastName: e.target.value })}
+        />
+        <Input
+          label="Phone"
+          value={formData.phone || ''}
+          onChange={(e) => onChange({ phone: e.target.value })}
+        />
+        <Input
+          label="Email"
+          type="email"
+          value={formData.email || ''}
+          onChange={(e) => onChange({ email: e.target.value })}
+        />
+      </div>
+
+      <div className="flex gap-2">
+        <Button
+          variant="primary"
+          onClick={onSubmit}
+          isLoading={loading}
+          disabled={!formData.firstName || !formData.lastName}
+        >
+          Save Patient
+        </Button>
+        <Button variant="ghost" onClick={onClose}>
+          Cancel
+        </Button>
+      </div>
+    </div>
+  );
+}

frontend/src/components/patients/PatientSearchSelect.tsx

@@ -0,0 +1,63 @@
+'use client';
+
+import { Search } from 'lucide-react';
+import { Input } from '@/components/ui/Input';
+import { Patient } from '@/types/patient';
+
+interface PatientSearchSelectProps {
+  search: string;
+  onSearchChange: (value: string) => void;
+  patients: Patient[];
+  selectedPatientId?: string;
+  onSelectPatient: (patient: Patient) => void;
+  loading?: boolean;
+}
+
+export function PatientSearchSelect({
+  search,
+  onSearchChange,
+  patients,
+  selectedPatientId,
+  onSelectPatient,
+  loading = false,
+}: PatientSearchSelectProps) {
+  return (
+    <div className="surface-card p-4 space-y-4">
+      <Input
+        placeholder="Search patients by name, phone, email"
+        value={search}
+        onChange={(e) => onSearchChange(e.target.value)}
+        icon={<Search className="h-4 w-4 icon-flat" />}
+      />
+
+      <div className="space-y-2 max-h-80 overflow-y-auto">
+        {loading && <p className="text-sm text-text-muted">Loading patients...</p>}
+
+        {!loading && patients.length === 0 && (
+          <p className="text-sm text-text-muted">No patients found for this search.</p>
+        )}
+
+        {patients.map((patient) => {
+          const isSelected = selectedPatientId === patient.id;
+          return (
+            <button
+              key={patient.id}
+              type="button"
+              onClick={() => onSelectPatient(patient)}
+              className={`w-full text-left rounded-[var(--radius-sm)] border px-3 py-2 transition-colors ${
+                isSelected
+                  ? 'bg-primary-soft border-primary/60'
+                  : 'border-border/60 hover:bg-background-card/70'
+              }`}
+            >
+              <p className="text-sm font-medium text-text-primary">
+                {patient.firstName} {patient.lastName}
+              </p>
+              <p className="text-xs text-text-muted">{patient.phone || patient.email || 'No contact'}</p>
+            </button>
+          );
+        })}
+      </div>
+    </div>
+  );
+}

frontend/src/components/patients/PatientSummaryCard.tsx

@@ -0,0 +1,28 @@
+import { Patient } from '@/types/patient';
+
+interface PatientSummaryCardProps {
+  patient?: Patient;
+}
+
+export function PatientSummaryCard({ patient }: PatientSummaryCardProps) {
+  if (!patient) {
+    return (
+      <div className="surface-card p-4">
+        <p className="text-sm text-text-muted">Select a patient to view details.</p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="surface-card p-4 space-y-2">
+      <h2 className="text-lg font-semibold text-text-primary">
+        {patient.firstName} {patient.lastName}
+      </h2>
+      <p className="text-sm text-text-secondary">Phone: {patient.phone || '-'}</p>
+      <p className="text-sm text-text-secondary">Email: {patient.email || '-'}</p>
+      <p className="text-sm text-text-secondary">
+        Status: {patient.isActive ? 'Active' : 'Inactive'}
+      </p>
+    </div>
+  );
+}

frontend/src/components/patients/TreatmentHistoryPreview.tsx

@@ -0,0 +1,37 @@
+import { TreatmentHistoryItem } from '@/types/patient';
+
+interface TreatmentHistoryPreviewProps {
+  items: TreatmentHistoryItem[];
+  loading?: boolean;
+}
+
+export function TreatmentHistoryPreview({ items, loading = false }: TreatmentHistoryPreviewProps) {
+  return (
+    <div className="surface-card p-4 space-y-3">
+      <h3 className="text-base font-semibold text-text-primary">Treatment History</h3>
+
+      {loading && <p className="text-sm text-text-muted">Loading treatment history...</p>}
+
+      {!loading && items.length === 0 && (
+        <p className="text-sm text-text-muted">No treatment history yet.</p>
+      )}
+
+      <div className="space-y-2">
+        {items.map((item) => (
+          <div key={item.id} className="border border-border/60 rounded-[var(--radius-sm)] p-3">
+            <div className="flex items-center justify-between">
+              <p className="text-sm font-medium text-text-primary">{item.title}</p>
+              <p className="text-xs text-text-muted">
+                {new Date(item.treatmentAt).toLocaleDateString()}
+              </p>
+            </div>
+            <p className="text-xs text-text-secondary mt-1">
+              Status: {item.status}
+              {item.tooth ? ` | Tooth: ${item.tooth}` : ''}
+            </p>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}

frontend/src/components/ui/DashboardAccountMenu.tsx

@@ -0,0 +1,156 @@
+'use client';
+
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import Link from 'next/link';
+import {
+  Settings,
+  AlertTriangle,
+  Building2,
+  CreditCard,
+  User,
+  LogOut,
+  ChevronDown,
+} from 'lucide-react';
+import { useAuth } from '@/lib/hooks/useAuth';
+import { authApi } from '@/lib/api/auth';
+import type { SubscriptionAlertData } from '@/types';
+
+function warningTooltip(data: SubscriptionAlertData | null): string {
+  if (!data?.showWarning) return '';
+  if (data.trialExpired) return 'Trial ended — review Subscriptions';
+  if (data.trialEndingSoon) return 'Trial ending soon — review Subscriptions';
+  if (data.seatsLow) return 'Seats running low — review Subscriptions';
+  return 'Review Subscriptions';
+}
+
+export function DashboardAccountMenu() {
+  const { user, currentOrganization, logout } = useAuth();
+  const [open, setOpen] = useState(false);
+  const menuRef = useRef<HTMLDivElement>(null);
+  const [alert, setAlert] = useState<SubscriptionAlertData | null>(null);
+  const isOwner = currentOrganization?.isOwner ?? false;
+
+  useEffect(() => {
+    const onDocClick = (e: MouseEvent) => {
+      if (menuRef.current && !menuRef.current.contains(e.target as Node)) {
+        setOpen(false);
+      }
+    };
+    document.addEventListener('mousedown', onDocClick);
+    return () => document.removeEventListener('mousedown', onDocClick);
+  }, []);
+
+  useEffect(() => {
+    if (!isOwner || !currentOrganization) {
+      setAlert(null);
+      return;
+    }
+    let cancelled = false;
+    void (async () => {
+      try {
+        const res = await authApi.getSubscriptionAlert();
+        if (!cancelled && res.success) setAlert(res.data);
+      } catch {
+        if (!cancelled) setAlert(null);
+      }
+    })();
+    return () => {
+      cancelled = true;
+    };
+  }, [isOwner, currentOrganization?.id]);
+
+  const showWarning = Boolean(isOwner && alert?.showWarning);
+  const tooltip = useMemo(() => warningTooltip(alert), [alert]);
+
+  const handleLogout = useCallback(() => {
+    setOpen(false);
+    void logout();
+  }, [logout]);
+
+  return (
+    <div className="relative" ref={menuRef}>
+      <button
+        type="button"
+        onClick={() => setOpen((v) => !v)}
+        className="inline-flex items-center gap-2 rounded-[var(--radius-md)] border border-border/70 px-3 py-2 text-sm text-text-primary hover:bg-background-card/80 transition-colors"
+        aria-expanded={open}
+        aria-haspopup="menu"
+      >
+        <span className="relative inline-flex shrink-0" title={showWarning ? tooltip : undefined}>
+          <Settings className="h-5 w-5 icon-flat" aria-hidden />
+          {showWarning && (
+            <span
+              className="absolute -right-1 -top-1 flex h-3.5 w-3.5 items-center justify-center rounded-full bg-amber-500 ring-2 ring-background-secondary"
+              aria-label={tooltip}
+            >
+              <AlertTriangle className="h-2.5 w-2.5 text-amber-950" strokeWidth={2.5} />
+            </span>
+          )}
+        </span>
+        <span className="hidden sm:inline max-w-[160px] truncate">{user?.name}</span>
+        <ChevronDown className="h-4 w-4 text-text-muted shrink-0" aria-hidden />
+      </button>
+
+      {open && (
+        <div
+          role="menu"
+          className="absolute right-0 mt-2 w-72 rounded-[var(--radius-md)] border border-border bg-background-secondary/95 py-2 shadow-lg z-50 backdrop-blur-sm"
+        >
+          <div className="px-3 py-2 border-b border-border/60">
+            <p className="text-xs text-text-muted">Signed in</p>
+            <p className="text-sm font-medium truncate">{user?.email}</p>
+            <p className="text-xs text-text-secondary mt-1 truncate">
+              {currentOrganization?.name}
+            </p>
+          </div>
+
+          <div className="py-1">
+            <Link
+              href="/select-organization"
+              role="menuitem"
+              className="flex items-center gap-3 px-3 py-2.5 text-sm text-text-primary hover:bg-background-card/70"
+              onClick={() => setOpen(false)}
+            >
+              <Building2 className="h-4 w-4 icon-flat shrink-0" />
+              Switch organization
+            </Link>
+
+            {isOwner && (
+              <Link
+                href="/settings/subscriptions"
+                role="menuitem"
+                className="flex items-center gap-3 px-3 py-2.5 text-sm text-text-primary hover:bg-background-card/70"
+                onClick={() => setOpen(false)}
+              >
+                <CreditCard className="h-4 w-4 icon-flat shrink-0" />
+                Subscriptions
+              </Link>
+            )}
+
+            <Link
+              href="/settings/account"
+              role="menuitem"
+              className="flex items-center gap-3 px-3 py-2.5 text-sm text-text-primary hover:bg-background-card/70"
+              onClick={() => setOpen(false)}
+            >
+              <User className="h-4 w-4 icon-flat shrink-0" />
+              Account
+            </Link>
+          </div>
+
+          <div className="border-t border-border/60 pt-1">
+            <button
+              type="button"
+              role="menuitem"
+              className="flex w-full items-center gap-3 px-3 py-2.5 text-sm text-text-secondary hover:bg-background-card/70 hover:text-text-primary"
+              onClick={handleLogout}
+            >
+              <LogOut className="h-4 w-4 icon-flat shrink-0" />
+              Log out
+            </button>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}

frontend/src/components/ui/Sidebar.tsx

@@ -1,6 +1,8 @@
 'use client';
 
-import { usePathname, useRouter } from 'next/navigation';
+import Link from 'next/link';
+import { memo } from 'react';
+import { usePathname } from 'next/navigation';
 import {
   LayoutDashboard,
   Users,
@@ -8,7 +10,7 @@ import {
   UserCog,
   FlaskConical,
   FileText,
-  CreditCard
+  CreditCard,
 } from 'lucide-react';
 
 const menu = [
@@ -21,25 +23,26 @@ const menu = [
   { name: 'Reports', path: '/reports', icon: FileText },
 ];
 
-export default function Sidebar() {
+function Sidebar() {
   const pathname = usePathname();
-  const router = useRouter();
 
   return (
-    <aside className="w-64 bg-background-secondary/90 border-r border-border text-text-primary flex flex-col p-4">
+    <aside className="w-64 bg-background-secondary/90 border-r border-border text-text-primary flex flex-col">
-      <div className="mb-6 pb-4 border-b border-border">
+      <div className="h-[71px] px-4 flex items-center">
-        <h1 className="text-xl font-semibold tracking-tight">DyoLink</h1>
+        <h1 className="text-lg font-medium tracking-tight">DyoLink</h1>
       </div>
+      <div className="mx-4 border-b border-border/70" />
 
-      <nav className="flex flex-col gap-2">
+      <nav className="flex flex-col gap-2 p-4">
         {menu.map((item) => {
           const Icon = item.icon;
           const isActive = pathname === item.path;
 
           return (
-            <button
+            <Link
               key={item.name}
-              onClick={() => router.push(item.path)}
+              href={item.path}
+              prefetch
               className={`flex items-center gap-3 px-3 py-2.5 rounded-[var(--radius-sm)] border transition-colors ${
                 isActive
                   ? 'bg-primary-soft border-primary/60 text-text-primary'
@@ -48,10 +51,12 @@ export default function Sidebar() {
             >
               <Icon className="w-[18px] h-[18px] icon-flat" />
               <span className="text-sm">{item.name}</span>
-            </button>
+            </Link>
           );
         })}
       </nav>
     </aside>
   );
 }
+
+export default memo(Sidebar);

frontend/src/lib/api/auth.ts

@@ -1,6 +1,6 @@
 // src/lib/api/auth.ts
 import { apiClient } from './client';
-import { AuthResponse, TrialRegistrationData, LoginData } from '@/types';
+import { AuthResponse, TrialRegistrationData, LoginData, SubscriptionAlertData } from '@/types';
 
 export const authApi = {
   // Register a new trial organization
@@ -21,12 +21,32 @@ export const authApi = {
     return response.data;
   },
 
+  /** Owner-only meaningful data; staff always gets showWarning: false */
+  getSubscriptionAlert: async (): Promise<{
+    success: boolean;
+    data: SubscriptionAlertData;
+  }> => {
+    const response = await apiClient.get('/auth/subscription-alert');
+    return response.data;
+  },
+
   // Select organization
   selectOrganization: async (organizationId: string): Promise<any> => {
     const response = await apiClient.post('/auth/select-organization', { organizationId });
     return response.data;
   },
 
+  // Create organization for current user
+  createOrganization: async (data: {
+    organizationName: string;
+    organizationEmail: string;
+    organizationType: 'CLINIC' | 'LAB';
+    planName?: string;
+  }): Promise<any> => {
+    const response = await apiClient.post('/auth/organizations', data);
+    return response.data;
+  },
+
   // Logout
   logout: async (): Promise<void> => {
     await apiClient.post('/auth/logout');

frontend/src/lib/api/patients.ts

@@ -0,0 +1,43 @@
+import { apiClient } from './client';
+import {
+  CreatePatientInput,
+  CreateTreatmentHistoryInput,
+  Patient,
+  PatientsListResponse,
+  TreatmentHistoryItem,
+} from '@/types/patient';
+
+export const patientsApi = {
+  list: async (params?: { q?: string; page?: number; limit?: number }): Promise<PatientsListResponse> => {
+    const response = await apiClient.get('/patients', { params });
+    return response.data;
+  },
+
+  create: async (data: CreatePatientInput): Promise<{ success: boolean; data: Patient }> => {
+    const response = await apiClient.post('/patients', data);
+    return response.data;
+  },
+
+  getOne: async (id: string): Promise<{ success: boolean; data: Patient }> => {
+    const response = await apiClient.get(`/patients/${id}`);
+    return response.data;
+  },
+
+  listTreatments: async (
+    patientId: string,
+    limit = 20,
+  ): Promise<{ success: boolean; data: TreatmentHistoryItem[] }> => {
+    const response = await apiClient.get(`/patients/${patientId}/treatments`, {
+      params: { limit },
+    });
+    return response.data;
+  },
+
+  addTreatment: async (
+    patientId: string,
+    data: CreateTreatmentHistoryInput,
+  ): Promise<{ success: boolean; data: TreatmentHistoryItem }> => {
+    const response = await apiClient.post(`/patients/${patientId}/treatments`, data);
+    return response.data;
+  },
+};

frontend/src/lib/hooks/useAuth.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { createContext, useContext, useEffect, useState } from 'react';
+import React, { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react';
 import { useRouter } from 'next/navigation';
 import { authApi } from '@/lib/api/auth';
 import { User, Organization } from '@/types';
@@ -17,11 +17,18 @@ interface AuthContextType {
     password: string,
     name: string,
     organizationName: string,
+    organizationEmail: string,
     organizationType: 'CLINIC' | 'LAB'
   ) => Promise<void>;
   login: (email: string, password: string) => Promise<void>;
   logout: () => Promise<void>;
   selectOrganization: (orgId: string) => Promise<void>;
+  createOrganization: (
+    organizationName: string,
+    organizationEmail: string,
+    organizationType: 'CLINIC' | 'LAB',
+    planName?: string,
+  ) => Promise<string>;
   clearError: () => void;
 }
 
@@ -37,11 +44,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
   const router = useRouter();
 
-  useEffect(() => {
+  const normalizeProfilePayload = useCallback((payload: any): { user: User | null; organizations: Organization[] } => {
-    checkAuth();
-  }, []);
-
-  const normalizeProfilePayload = (payload: any): { user: User | null; organizations: Organization[] } => {
     const organizations = payload?.organizations || [];
 
     if (payload?.user) {
@@ -60,9 +63,9 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     }
 
     return { user: null, organizations };
-  };
+  }, []);
 
-  const checkAuth = async () => {
+  const checkAuth = useCallback(async () => {
     try {
       setIsLoading(true);
 
@@ -77,11 +80,18 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         const storedOrgId = localStorage.getItem('currentOrganizationId');
         if (storedOrgId && orgs.length > 0) {
           const org = orgs.find(o => o.id === storedOrgId);
-          if (org) setCurrentOrganization(org);
+          if (org) {
-          else setCurrentOrganization(null);
+            setCurrentOrganization(org);
+            // Ensure cookie token carries organizationId for org-scoped APIs.
+            await authApi.selectOrganization(org.id);
+          } else {
+            setCurrentOrganization(null);
+          }
         } else if (orgs.length === 1 && userData) {
           setCurrentOrganization(orgs[0]);
           localStorage.setItem('currentOrganizationId', orgs[0].id);
+          // Keep JWT in sync with selected org even for single-org users.
+          await authApi.selectOrganization(orgs[0].id);
         } else {
           setCurrentOrganization(null);
         }
@@ -96,14 +106,19 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
       setIsLoading(false);
       setIsAuthReady(true);
     }
-  };
+  }, [normalizeProfilePayload]);
+
+  useEffect(() => {
+    void checkAuth();
+  }, [checkAuth]);
 
   // ✅ REGISTER
-  const registerTrial = async (
+  const registerTrial = useCallback(async (
     email: string,
     password: string,
     name: string,
     organizationName: string,
+    organizationEmail: string,
     organizationType: 'CLINIC' | 'LAB'
   ) => {
     try {
@@ -115,6 +130,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         password,
         name,
         organizationName,
+        organizationEmail,
         organizationType,
       });
 
@@ -125,6 +141,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
       if (orgs.length === 1) {
         const org = orgs[0];
+        await authApi.selectOrganization(org.id);
         setCurrentOrganization(org);
         localStorage.setItem('currentOrganizationId', org.id);
         router.push('/today');
@@ -139,10 +156,10 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     } finally {
       setIsLoading(false);
     }
-  };
+  }, [router]);
 
   // ✅ LOGIN
-  const login = async (email: string, password: string) => {
+  const login = useCallback(async (email: string, password: string) => {
     try {
       setIsLoading(true);
       setError(null);
@@ -156,6 +173,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
       if (orgs.length === 1) {
         const org = orgs[0];
+        await authApi.selectOrganization(org.id);
         setCurrentOrganization(org);
         localStorage.setItem('currentOrganizationId', org.id);
         router.push('/today');
@@ -169,17 +187,28 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     } finally {
       setIsLoading(false);
     }
-  };
+  }, [router]);
 
-  const logout = async () => {
+  const logout = useCallback(async () => {
+    try {
+      // Important: clear auth cookies/session on the server first,
+      // otherwise middleware may still treat the user as authenticated.
+      await authApi.logout();
+    } catch (err) {
+      console.error('Logout API failed:', err);
+    } finally {
       localStorage.clear();
       setUser(null);
       setOrganizations([]);
       setCurrentOrganization(null);
-    router.push('/');
+      setError(null);
-  };
+      setIsAuthReady(true);
+      router.replace('/');
+      router.refresh();
+    }
+  }, [router]);
 
-  const selectOrganization = async (orgId: string) => {
+  const selectOrganization = useCallback(async (orgId: string) => {
     try {
       setIsLoading(true);
 
@@ -189,7 +218,13 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
       localStorage.setItem('currentOrganizationId', organization.id);
 
-      setCurrentOrganization(organization);
+      setCurrentOrganization({
+        id: organization.id,
+        name: organization.name,
+        type: organization.type as Organization['type'],
+        isOwner: Boolean((organization as { isOwner?: boolean }).isOwner),
+        plan: (organization as { plan?: Organization['plan'] }).plan,
+      });
 
       router.push('/today');
 
@@ -199,26 +234,76 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     } finally {
       setIsLoading(false);
     }
-  };
+  }, [router]);
 
-  const clearError = () => setError(null);
+  const createOrganization = useCallback(async (
+    organizationName: string,
+    organizationEmail: string,
+    organizationType: 'CLINIC' | 'LAB',
+    planName?: string,
+  ) => {
+    try {
+      setIsLoading(true);
+      setError(null);
 
-  return (
+      const createResponse = await authApi.createOrganization({
-    <AuthContext.Provider
+        organizationName,
-      value={{
+        organizationEmail,
+        organizationType,
+        planName,
+      });
+
+      const profileResponse = await authApi.getProfile();
+      if (profileResponse.success) {
+        const { user: userData, organizations: orgs } = normalizeProfilePayload(profileResponse.data);
+        setUser(userData);
+        setOrganizations(orgs);
+      }
+
+      return createResponse.data.organization.id as string;
+    } catch (err: any) {
+      setError(err.message || 'Failed to create organization');
+      throw err;
+    } finally {
+      setIsLoading(false);
+    }
+  }, [normalizeProfilePayload]);
+
+  const clearError = useCallback(() => setError(null), []);
+
+  const contextValue = useMemo(
+    () => ({
       user,
       organizations,
       currentOrganization,
       isLoading,
-        isAuthReady, // ✅ expose it
+      isAuthReady,
       error,
       registerTrial,
       login,
       logout,
       selectOrganization,
+      createOrganization,
       clearError,
-      }}
+    }),
-    >
+    [
+      user,
+      organizations,
+      currentOrganization,
+      isLoading,
+      isAuthReady,
+      error,
+      registerTrial,
+      login,
+      logout,
+      selectOrganization,
+      createOrganization,
+      clearError,
+    ],
+  );
+
+  return (
+    <AuthContext.Provider value={contextValue}>
       {children}
     </AuthContext.Provider>
   );

frontend/src/middleware.ts

@@ -3,7 +3,6 @@ import { NextResponse } from 'next/server';
 import type { NextRequest } from 'next/server';
 
 const publicRoutes = ['/', '/login', '/register', '/terms', '/privacy', '/forgot-password'];
-const authOnlyRoutes = ['/login', '/register']; // routes that should NOT be accessed when logged in
 
 export function middleware(request: NextRequest) {
   const { pathname } = request.nextUrl;
@@ -15,12 +14,10 @@ export function middleware(request: NextRequest) {
     return NextResponse.redirect(new URL('/today', request.url));
   }
 
-  // Always allow public routes first
+  // Always allow public routes first. We intentionally do not block /login or /register
+  // when a cookie exists, because the cookie might be stale/invalid and the client
+  // auth check needs to recover gracefully.
   if (publicRoutes.includes(pathname)) {
-    // If user is already logged in and tries to access login/register → redirect to dashboard
-    if (isAuthenticated && authOnlyRoutes.includes(pathname)) {
-      return NextResponse.redirect(new URL('/today', request.url));
-    }
     return NextResponse.next();
   }
 

frontend/src/styles/globals.css

@@ -2,9 +2,9 @@
 
 /* Light theme tokens (future-ready) */
 :root[data-theme="light"] {
-  --radius-sm: 6px;
+  --radius-sm: 4px;
-  --radius-md: 8px;
+  --radius-md: 6px;
-  --radius-lg: 12px;
+  --radius-lg: 8px;
 
   --color-background-primary: #f6f9fc;
   --color-background-secondary: #ffffff;
@@ -45,7 +45,7 @@
   --color-primary: #09a9bc;
   --color-primary-contrast: #001117;
   --color-primary-soft: rgba(9, 169, 188, 0.2);
-  --color-icon: #f3bb4b;
+  --color-icon: #e1bc72;
 }
 
 /* Default theme = dark */

frontend/src/types/index.ts

@@ -10,12 +10,25 @@ export interface Organization {
   name: string;
   type: 'CLINIC' | 'LAB';
   isOwner: boolean;
+  permissions?: string[];
   plan?: {
     name: string;
     maxUsers: number;
   };
 }
 
+/** GET /auth/subscription-alert — owners only get meaningful flags */
+export interface SubscriptionAlertData {
+  showWarning: boolean;
+  seatsLow: boolean;
+  trialEndingSoon: boolean;
+  trialExpired: boolean;
+  seatsUsed?: number;
+  seatsLimit?: number;
+  daysUntilTrialEnd?: number | null;
+  trialEndsAt?: string | null;
+}
+
 export interface AuthResponse {
   success: boolean;
   data: {
@@ -31,6 +44,7 @@ export interface TrialRegistrationData {
   password: string;
   name: string;
   organizationName: string;
+  organizationEmail: string;
   organizationType: 'CLINIC' | 'LAB';
 }
 

frontend/src/types/patient.ts

@@ -0,0 +1,57 @@
+export interface Patient {
+  id: string;
+  organizationId: string;
+  firstName: string;
+  lastName: string;
+  phone?: string | null;
+  email?: string | null;
+  dateOfBirth?: string | null;
+  notes?: string | null;
+  isActive: boolean;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface TreatmentHistoryItem {
+  id: string;
+  patientId: string;
+  title: string;
+  status: string;
+  treatmentAt: string;
+  tooth?: string | null;
+  notes?: string | null;
+  totalCost?: number | null;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface CreatePatientInput {
+  firstName: string;
+  lastName: string;
+  phone?: string;
+  email?: string;
+  dateOfBirth?: string;
+  notes?: string;
+}
+
+export interface CreateTreatmentHistoryInput {
+  title: string;
+  status: string;
+  treatmentAt: string;
+  tooth?: string;
+  notes?: string;
+  totalCost?: number;
+}
+
+export interface PatientsListResponse {
+  success: boolean;
+  data: {
+    items: Patient[];
+    pagination: {
+      page: number;
+      limit: number;
+      total: number;
+      totalPages: number;
+    };
+  };
+}