feature: a very minimal patients feature implemented. it needs lots of improvments though

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;