R111/A7-A10 统一报销双端发票附件体验

server/prisma/migrations/20260508091500_reimbursement_attachments/migration.sql

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+-- R111: 报销附件材料。用于支付截图、合同、订单、说明等非发票材料，不参与发票 OCR/查重。
+CREATE TABLE "reimbursement_attachments" (
+    "id" UUID NOT NULL,
+    "reimbursement_id" UUID NOT NULL,
+    "storage_path" TEXT NOT NULL,
+    "original_name" TEXT NOT NULL,
+    "mime_type" TEXT NOT NULL,
+    "file_size" INTEGER NOT NULL,
+    "file_sha256" TEXT NOT NULL,
+    "uploaded_by" UUID NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "reimbursement_attachments_pkey" PRIMARY KEY ("id")
+);
+
+CREATE INDEX "idx_reimbursement_attachments_form_created"
+    ON "reimbursement_attachments"("reimbursement_id", "created_at");
+
+CREATE INDEX "idx_reimbursement_attachments_uploader"
+    ON "reimbursement_attachments"("uploaded_by");
+
+CREATE INDEX "idx_reimbursement_attachments_file_sha256"
+    ON "reimbursement_attachments"("file_sha256");
+
+ALTER TABLE "reimbursement_attachments"
+    ADD CONSTRAINT "reimbursement_attachments_reimbursement_id_fkey"
+    FOREIGN KEY ("reimbursement_id") REFERENCES "reimbursement_forms"("id")
+    ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE "reimbursement_attachments"
+    ADD CONSTRAINT "reimbursement_attachments_uploaded_by_fkey"
+    FOREIGN KEY ("uploaded_by") REFERENCES "employees"("id")
+    ON DELETE RESTRICT ON UPDATE CASCADE;