Add Catalog Studio inspection and guided import review

src/lib/furni/studio-inspection.ts

@@ -0,0 +1,70 @@
+export interface FurnitureInspection {
+	classname: string;
+	sql: Array<{ id: number; spriteId: number; name: string; type: string }>;
+	catalog: Array<{
+		id: number;
+		pageId: number;
+		credits: number;
+		points: number;
+	}>;
+	furnidata: Array<{
+		id: number;
+		name: string;
+		description: string;
+		revision: number;
+		type: string;
+	}>;
+	furnidataReadable: boolean;
+	nitro: { exists: boolean | null; bytes: number };
+	icon: { exists: boolean | null; bytes: number };
+}
+export function validateClassnames(value: unknown): string[] | null {
+	if (
+		!Array.isArray(value) ||
+		!value.length ||
+		value.length > 500 ||
+		value.some(
+			(v) =>
+				typeof v !== "string" || v.length > 200 || !/^[a-zA-Z0-9_*-]+$/.test(v),
+		)
+	)
+		return null;
+	return [...new Set(value)];
+}
+export function compareFurniture(
+	source: { name: string; description: string; revision: number; type: string },
+	local: FurnitureInspection,
+) {
+	const fd = local.furnidata[0],
+		sql = local.sql[0];
+	const values = [
+		["Name", sql?.name ?? fd?.name, source.name],
+		["Description", fd?.description, source.description],
+		["Revision", fd?.revision, source.revision || undefined],
+		[
+			"Type",
+			sql ? (sql.type === "i" ? "wallitem" : "flooritem") : fd?.type,
+			source.type,
+		],
+	] as const;
+	const fields = values.map(([label, before, after]) => ({
+		label,
+		before,
+		after,
+		changed:
+			before !== undefined &&
+			after !== undefined &&
+			String(before) !== String(after),
+	}));
+	const state =
+		local.sql.length > 1 || local.furnidata.length > 1
+			? "conflict"
+			: !local.furnidataReadable
+				? "unknown"
+				: !sql && !fd
+					? "new"
+					: fields.some((f) => f.changed)
+						? "changed"
+						: "present";
+	return { state, fields } as const;
+}