End to end encrypted attachment upload and streaming

prisma/migrations/20260115105707_message_extras_2/migration.sql

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+/*
+  Warnings:
+
+  - You are about to drop the column `userId` on the `Reaction` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "Reaction" DROP COLUMN "userId";
+
+-- CreateTable
+CREATE TABLE "_ReactionToUser" (
+    "A" TEXT NOT NULL,
+    "B" TEXT NOT NULL,
+
+    CONSTRAINT "_ReactionToUser_AB_pkey" PRIMARY KEY ("A","B")
+);
+
+-- CreateIndex
+CREATE INDEX "_ReactionToUser_B_index" ON "_ReactionToUser"("B");
+
+-- AddForeignKey
+ALTER TABLE "_ReactionToUser" ADD CONSTRAINT "_ReactionToUser_A_fkey" FOREIGN KEY ("A") REFERENCES "Reaction"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "_ReactionToUser" ADD CONSTRAINT "_ReactionToUser_B_fkey" FOREIGN KEY ("B") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;