refactor: normalize group session keys

ui/src/ui/types.ts

@@ -100,6 +100,11 @@ export type GatewaySessionsDefaults = {
 export type GatewaySessionRow = {
   key: string;
   kind: "direct" | "group" | "global" | "unknown";
+  displayName?: string;
+  surface?: string;
+  subject?: string;
+  room?: string;
+  space?: string;
   updatedAt: number | null;
   sessionId?: string;
   systemSent?: boolean;

ui/src/ui/views/sessions.ts

@@ -130,7 +130,7 @@ function renderRow(row: GatewaySessionRow, onPatch: SessionsProps["onPatch"]) {
   const verbose = row.verboseLevel ?? "";
   return html`
     <div class="table-row">
-      <div class="mono">${row.key}</div>
+      <div class="mono">${row.displayName ?? row.key}</div>
       <div>${row.kind}</div>
       <div>${updated}</div>
       <div>${formatSessionTokens(row)}</div>