Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

web/src/lib/session-import.ts

@@ -0,0 +1,46 @@
+import type { SessionImportResponse } from "@/lib/api";
+
+export type ImportableSession = Record<string, unknown>;
+
+function normalizeImportSessions(value: unknown): ImportableSession[] {
+  const candidate =
+    value &&
+    typeof value === "object" &&
+    !Array.isArray(value) &&
+    Array.isArray((value as { sessions?: unknown }).sessions)
+      ? (value as { sessions: unknown[] }).sessions
+      : Array.isArray(value)
+        ? value
+        : [value];
+
+  const sessions = candidate.filter(
+    (item): item is ImportableSession =>
+      !!item && typeof item === "object" && !Array.isArray(item),
+  );
+  if (sessions.length !== candidate.length) {
+    throw new Error("Expected exported session JSON or JSONL");
+  }
+  return sessions;
+}
+
+export function parseImportSessions(text: string): ImportableSession[] {
+  const trimmed = text.trim();
+  if (!trimmed) throw new Error("File is empty");
+
+  try {
+    return normalizeImportSessions(JSON.parse(trimmed));
+  } catch (jsonError) {
+    const lines = trimmed.split(/\r?\n/).filter((line) => line.trim());
+    if (lines.length <= 1) throw jsonError;
+    return normalizeImportSessions(lines.map((line) => JSON.parse(line)));
+  }
+}
+
+export function importSummary(result: SessionImportResponse): string {
+  const parts = [`${result.imported} imported`];
+  if (result.skipped > 0) parts.push(`${result.skipped} skipped`);
+  if (result.detached > 0) {
+    parts.push(`${result.detached} detached from missing parents`);
+  }
+  return parts.join("; ");
+}