Normalize Pi session URLs (#5)

Author: benvinegar

pi/glance.test.ts

@@ -190,17 +190,23 @@ describe("pi/glance", () => {
 
     const session = {
       id: "session-1",
-      url: "https://glance.sh/s/session-1",
+      url: "/s/session-1",
     } satisfies SessionResponse;
 
     const fetchMock = vi.fn(async () => jsonResponse(session));
     vi.stubGlobal("fetch", fetchMock);
 
-    await expect(__testing.createSession()).resolves.toEqual(session);
+    await expect(__testing.createSession()).resolves.toEqual({
+      ...session,
+      url: "https://glance.sh/s/session-1",
+    });
     expect(fetchMock).toHaveBeenCalledWith("https://glance.sh/api/session", {
       method: "POST",
     });
-    expect(__testing.getState().currentSession).toEqual(session);
+    expect(__testing.getState().currentSession).toEqual({
+      ...session,
+      url: "https://glance.sh/s/session-1",
+    });
     expect(__testing.isSessionStale()).toBe(false);
 
     vi.setSystemTime(new Date("2026-03-07T15:08:00.001Z"));

pi/glance.ts

@@ -46,6 +46,10 @@ interface GlanceDetails {
   expiresAt?: number;
 }
 
+function normalizeSessionUrl(url: string): string {
+  return new URL(url, BASE_URL).toString();
+}
+
 // ── Persistent background session ──────────────────────────────────
 
 let currentSession: SessionResponse | null = null;
@@ -57,6 +61,7 @@ async function createSession(): Promise<SessionResponse> {
   const res = await fetch(`${BASE_URL}/api/session`, { method: "POST" });
   if (!res.ok) throw new Error(`HTTP ${res.status}`);
   const session = (await res.json()) as SessionResponse;
+  session.url = normalizeSessionUrl(session.url);
   currentSession = session;
   sessionCreatedAt = Date.now();
   return session;