feat(server): copilot job models (#10732)

packages/backend/server/migrations/20250303121921_ai_jobs/migration.sql

@@ -0,0 +1,29 @@
+-- CreateEnum
+CREATE TYPE "AiJobStatus" AS ENUM ('pending', 'running', 'finished', 'claimed', 'failed');
+
+-- CreateEnum
+CREATE TYPE "AiJobType" AS ENUM ('transcription');
+
+-- CreateTable
+CREATE TABLE "ai_jobs" (
+    "id" VARCHAR NOT NULL,
+    "workspace_id" VARCHAR NOT NULL,
+    "blob_id" VARCHAR NOT NULL,
+    "created_by" VARCHAR,
+    "type" "AiJobType" NOT NULL,
+    "status" "AiJobStatus" NOT NULL DEFAULT 'pending',
+    "payload" JSON NOT NULL,
+    "started_at" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "finished_at" TIMESTAMPTZ(3),
+
+    CONSTRAINT "ai_jobs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "ai_jobs_created_by_workspace_id_blob_id_idx" ON "ai_jobs"("created_by", "workspace_id", "blob_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ai_jobs_workspace_id_blob_id_key" ON "ai_jobs"("workspace_id", "blob_id");
+
+-- AddForeignKey
+ALTER TABLE "ai_jobs" ADD CONSTRAINT "ai_jobs_created_by_fkey" FOREIGN KEY ("created_by") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;