Various fixes (#186)

* fix: #181

* fix: use taskHandler as source of truth for imports

* fix: task formatting

* fix: zip downloads

* feat: re-enable import version button on delete + lint

prisma/migrations/20250815014713_use_task_id_started_composite_id/migration.sql

@@ -0,0 +1,15 @@
+/*
+  Warnings:
+
+  - The primary key for the `Task` table will be changed. If it partially fails, the table could be left without primary key constraint.
+
+*/
+-- DropIndex
+DROP INDEX "GameTag_name_idx";
+
+-- AlterTable
+ALTER TABLE "Task" DROP CONSTRAINT "Task_pkey",
+ADD CONSTRAINT "Task_pkey" PRIMARY KEY ("id", "started");
+
+-- CreateIndex
+CREATE INDEX "GameTag_name_idx" ON "GameTag" USING GIST ("name" gist_trgm_ops(siglen=32));