KI-AGENT: Statusanzeige für Tenant-Import ergänzen

backend/db/migrations/0064_tenant_import_job_status.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "tenant_export_jobs"
+    ALTER COLUMN "tenant_id" DROP NOT NULL,
+    ADD COLUMN IF NOT EXISTS "status_message" text,
+    ADD COLUMN IF NOT EXISTS "import_result" jsonb;

backend/db/schema/tenant_export_jobs.ts

@@ -5,6 +5,7 @@ import {
     timestamp,
     text,
     integer,
+    jsonb,
 } from "drizzle-orm/pg-core"
 
 import { tenants } from "./tenants"
@@ -22,7 +23,6 @@ export const tenantExportJobs = pgTable("tenant_export_jobs", {
     completedAt: timestamp("completed_at", { withTimezone: true }),
 
     tenantId: bigint("tenant_id", { mode: "number" })
-        .notNull()
         .references(() => tenants.id, { onDelete: "cascade" }),
 
     createdBy: uuid("created_by").references(() => authUsers.id),
@@ -35,6 +35,8 @@ export const tenantExportJobs = pgTable("tenant_export_jobs", {
     contentType: text("content_type").notNull().default("application/zip"),
     fileSize: bigint("file_size", { mode: "number" }),
     error: text("error"),
+    statusMessage: text("status_message"),
+    importResult: jsonb("import_result"),
 
     filesTotal: integer("files_total").notNull().default(0),
     filesDone: integer("files_done").notNull().default(0),