Add remote host and item diagnostics

tests/item-log.test.ts

@@ -0,0 +1,66 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import { ensureItemLog, getItemLogPath, initItemLogs, logItemEvent, shutdownItemLogs } from "../src/main/item-log";
+
+const tempDirs: string[] = [];
+
+afterEach(() => {
+  shutdownItemLogs();
+  for (const dir of tempDirs.splice(0)) {
+    fs.rmSync(dir, { recursive: true, force: true });
+  }
+});
+
+describe("item-log", () => {
+  it("creates a persistent item log file", () => {
+    const baseDir = fs.mkdtempSync(path.join(os.tmpdir(), "rd-ilog-"));
+    tempDirs.push(baseDir);
+
+    initItemLogs(baseDir);
+    const logPath = ensureItemLog({
+      itemId: "item-1",
+      packageId: "pkg-1",
+      packageName: "Test Paket",
+      fileName: "episode.part2.rar",
+      targetPath: "C:\\downloads\\Test Paket\\episode.part2.rar"
+    });
+
+    expect(logPath).not.toBeNull();
+    expect(fs.existsSync(logPath!)).toBe(true);
+
+    const content = fs.readFileSync(logPath!, "utf8");
+    expect(content).toContain("Item-Log Start");
+    expect(content).toContain("episode.part2.rar");
+  });
+
+  it("writes detail events into the item log", async () => {
+    const baseDir = fs.mkdtempSync(path.join(os.tmpdir(), "rd-ilog-"));
+    tempDirs.push(baseDir);
+
+    initItemLogs(baseDir);
+    ensureItemLog({
+      itemId: "item-2",
+      packageId: "pkg-2",
+      packageName: "Detail Paket",
+      fileName: "episode.part2.rar",
+      targetPath: "C:\\downloads\\Detail Paket\\episode.part2.rar"
+    });
+
+    logItemEvent("item-2", "ERROR", "Entpack-Fehler", {
+      archive: "episode.part2.rar",
+      code: "missing_parts",
+      detail: "Unexpected end of archive"
+    });
+
+    await new Promise((resolve) => setTimeout(resolve, 350));
+
+    const logPath = getItemLogPath("item-2");
+    expect(logPath).not.toBeNull();
+    const content = fs.readFileSync(logPath!, "utf8");
+    expect(content).toContain("Entpack-Fehler");
+    expect(content).toContain("archive=episode.part2.rar");
+    expect(content).toContain("code=missing_parts");
+  });
+});