feat(frontend): expose owned session scopes

frontend/src/api/sessions.ts

@@ -1,5 +1,7 @@
 import { apiFetch } from "./client";
-import type { ResumeSessionResult, SessionSummary, SessionDocument, UiResponse } from "./types";
+import type {
+  Principal, ResumeSessionResult, SessionScope, SessionSummary, SessionDocument, UiResponse,
+} from "./types";
 
 export const createSession = (i: { question: string; name?: string }) =>
   apiFetch<{ id: string }>("/sessions", { method: "POST", body: JSON.stringify(i) });
@@ -8,7 +10,10 @@ export const createSession = (i: { question: string; name?: string }) =>
 export const prewarmRuntime = () =>
   apiFetch<void>("/runtime/prewarm", { method: "POST" });
 
-export const listSessions = () => apiFetch<SessionSummary[]>("/sessions");
+export const getMe = () => apiFetch<Principal>("/me");
+
+export const listSessions = (scope: SessionScope = "mine") =>
+  apiFetch<SessionSummary[]>(`/sessions?scope=${scope}`);
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const getSession = (id: string) => apiFetch<any>(`/sessions/${id}`);