feat(studio): preserve work position and guide import completion

src/components/admin/studio/import-recommendation.test.ts

@@ -0,0 +1,53 @@
+import { describe, expect, it } from "vitest";
+import type { FurnitureInspection } from "@/lib/furni/studio-inspection";
+import { importRecommendation } from "./import-recommendation";
+
+const local: FurnitureInspection = {
+	classname: "chair",
+	sql: [{ id: 1, spriteId: 1, name: "Chair", type: "s" }],
+	catalog: [],
+	furnidata: [],
+	furnidataReadable: true,
+	icon: { exists: false, bytes: 0 },
+	nitro: { exists: true, bytes: 42 },
+};
+describe("import recommendations", () => {
+	it("proposes completion with the precise missing components for existing SQL", () => {
+		expect(importRecommendation(local)).toEqual({
+			action: "complete",
+			missing: ["catalog", "furnidata", "icon"],
+			unknown: [],
+		});
+	});
+	it("keeps unavailable checks distinct from missing parts", () => {
+		expect(
+			importRecommendation({
+				...local,
+				furnidataReadable: false,
+				icon: { exists: null, bytes: 0 },
+			}),
+		).toEqual({
+			action: "verify",
+			missing: ["catalog"],
+			unknown: ["furnidata", "icon"],
+		});
+	});
+	it("prioritizes conflicts over completing missing parts", () => {
+		expect(
+			importRecommendation({ ...local, sql: [...local.sql, ...local.sql] })
+				.action,
+		).toBe("conflict");
+	});
+	it("proposes import when no local components exist", () => {
+		expect(
+			importRecommendation({
+				...local,
+				sql: [],
+				nitro: { exists: false, bytes: 0 },
+			}).action,
+		).toBe("import");
+	});
+	it("recognizes partial furniture even without a SQL row", () => {
+		expect(importRecommendation({ ...local, sql: [] }).action).toBe("complete");
+	});
+});