feat: add suppression list (#192)

apps/web/prisma/migrations/20250726222912_add_suppression_list/migration.sql

@@ -0,0 +1,25 @@
+-- CreateEnum
+CREATE TYPE "SuppressionReason" AS ENUM ('HARD_BOUNCE', 'COMPLAINT', 'MANUAL');
+
+-- AlterEnum
+ALTER TYPE "EmailStatus" ADD VALUE 'SUPPRESSED';
+
+-- CreateTable
+CREATE TABLE "SuppressionList" (
+    "id" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "teamId" INTEGER NOT NULL,
+    "reason" "SuppressionReason" NOT NULL,
+    "source" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "SuppressionList_pkey" PRIMARY KEY ("id")
+);
+
+
+-- CreateIndex
+CREATE UNIQUE INDEX "SuppressionList_teamId_email_key" ON "SuppressionList"("teamId", "email");
+
+-- AddForeignKey
+ALTER TABLE "SuppressionList" ADD CONSTRAINT "SuppressionList_teamId_fkey" FOREIGN KEY ("teamId") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;

apps/web/prisma/schema.prisma

@@ -116,6 +116,7 @@ model Team {
   dailyEmailUsages DailyEmailUsage[]
   subscription     Subscription[]
   invites          TeamInvite[]
+  SuppressionList  SuppressionList[]
 }
 
 model TeamInvite {
@@ -222,6 +223,7 @@ enum EmailStatus {
   COMPLAINED
   FAILED
   CANCELLED
+  SUPPRESSED
 }
 
 model Email {
@@ -283,6 +285,12 @@ enum UnsubscribeReason {
   UNSUBSCRIBED
 }
 
+enum SuppressionReason {
+  HARD_BOUNCE
+  COMPLAINT
+  MANUAL
+}
+
 model Contact {
   id                String             @id @default(cuid())
   firstName         String?
@@ -387,3 +395,17 @@ model CumulatedMetrics {
 
   @@id([teamId, domainId])
 }
+
+model SuppressionList {
+  id        String            @id @default(cuid())
+  email     String // The suppressed email address
+  teamId    Int // Team that owns this suppression
+  reason    SuppressionReason // Why it was suppressed
+  source    String? // Source email ID that triggered suppression
+  createdAt DateTime          @default(now())
+  updatedAt DateTime          @updatedAt
+
+  team Team @relation(fields: [teamId], references: [id], onDelete: Cascade)
+
+  @@unique([teamId, email])
+}