feat: add library artifact model

surfsense_web/features/artifacts-library/model/artifact.ts

@@ -0,0 +1,21 @@
+/** Deliverable kinds surfaced in the search-space-wide artifacts library. */
+export type LibraryArtifactKind = "report" | "resume" | "podcast" | "video" | "image";
+
+export type LibraryArtifactStatus = "ready" | "running" | "error";
+
+/**
+ * A deliverable aggregated from the search space's list endpoints. The heavy
+ * content (report body, audio, video frames, image bytes) is fetched lazily by
+ * the viewer when a card is opened.
+ */
+export interface LibraryArtifact {
+	/** Stable list key — `${kind}-${entityId}`. */
+	key: string;
+	kind: LibraryArtifactKind;
+	entityId: number;
+	title: string;
+	status: LibraryArtifactStatus;
+	createdAt: string;
+	/** Report panel content type — "typst" for resumes, "markdown" otherwise. */
+	contentType: "markdown" | "typst";
+}