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;