feature: phase0 - Global patients + mobile normalization

backend/prisma/migrations/20260628120000_global_patients_mobile/migration.sql

@@ -0,0 +1,28 @@
+-- Global patients: mobile is cloud-wide unique identity; org scope removed.
+-- Test/dev data only — clear patient-linked rows before reshape.
+
+DELETE FROM "treatment_case_sends";
+DELETE FROM "treatment_case_attachments";
+DELETE FROM "treatment_cases";
+DELETE FROM "treatments";
+DELETE FROM "appointments";
+DELETE FROM "patients";
+
+ALTER TABLE "patients" DROP CONSTRAINT IF EXISTS "patients_organizationId_fkey";
+
+DROP INDEX IF EXISTS "patients_organizationId_createdAt_idx";
+DROP INDEX IF EXISTS "patients_organizationId_lastName_firstName_idx";
+
+ALTER TABLE "patients" DROP COLUMN "organizationId";
+ALTER TABLE "patients" DROP COLUMN "phone";
+
+ALTER TABLE "patients" ADD COLUMN "mobile" TEXT NOT NULL;
+ALTER TABLE "patients" ADD COLUMN "createdByOrganizationId" TEXT;
+
+CREATE UNIQUE INDEX "patients_mobile_key" ON "patients"("mobile");
+CREATE INDEX "patients_lastName_firstName_idx" ON "patients"("lastName", "firstName");
+
+ALTER TABLE "patients"
+  ADD CONSTRAINT "patients_createdByOrganizationId_fkey"
+  FOREIGN KEY ("createdByOrganizationId") REFERENCES "organizations"("id")
+  ON DELETE SET NULL ON UPDATE CASCADE;

backend/prisma/schema.prisma

@@ -60,7 +60,7 @@ model Organization {
   sharedWithMe     OrganizationLink[] @relation("OrganizationB")
   sharedWithOthers OrganizationLink[] @relation("OrganizationA")
   sentOrganizationInvitations OrganizationInvitation[] @relation("OrganizationInvitationInviter")
-  patients         Patient[]
+  createdPatients  Patient[] @relation("PatientCreatedBy")
   appointments     Appointment[]
   treatments       Treatment[]
   caseSends        TreatmentCaseSend[]
@@ -72,24 +72,23 @@ model Organization {
 }
 
 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
+  id                      String    @id @default(uuid())
+  firstName               String
+  lastName                String
+  mobile                  String    @unique
+  email                   String?
+  dateOfBirth             DateTime?
+  notes                   String?
+  isActive                Boolean   @default(true)
+  createdByOrganizationId String?
+  createdAt               DateTime  @default(now())
+  updatedAt               DateTime  @updatedAt
 
-  organization Organization @relation(fields: [organizationId], references: [id])
-  treatments   Treatment[]
-  appointments Appointment[]
+  createdByOrganization Organization? @relation("PatientCreatedBy", fields: [createdByOrganizationId], references: [id], onDelete: SetNull)
+  treatments            Treatment[]
+  appointments          Appointment[]
 
-  @@index([organizationId, createdAt])
-  @@index([organizationId, lastName, firstName])
+  @@index([lastName, firstName])
   @@map("patients")
 }