Fix automatic session title generation

src/server/sessions/sessionNameGenerator.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from "vitest";
+import { cleanSessionName, fallbackSessionName } from "./sessionNameGenerator.js";
+
+describe("sessionNameGenerator", () => {
+  it("cleans model-generated titles", () => {
+    expect(cleanSessionName('Title: "Fix Session Naming."\nextra')).toBe("Fix Session Naming");
+  });
+
+  it("builds a concise fallback from the first request", () => {
+    expect(fallbackSessionName("Seems like auto name for sessions is not working, I still get the first message as a name."))
+      .toBe("Seems like auto name for sessions");
+  });
+
+  it("ignores skill blocks in fallback names", () => {
+    expect(fallbackSessionName('<skill name="x" location="/x">\nDo x\n</skill>\n\nCheck the UI now'))
+      .toBe("Check the UI now");
+  });
+});