refactor: prune legacy group targets

src/config/sessions.test.ts

@@ -55,7 +55,7 @@ describe("sessions", () => {
     expect(
       buildGroupDisplayName({
         provider: "discord",
-        room: "#general",
+        groupChannel: "#general",
         space: "friends-of-clawd",
         id: "123",
         key: "discord:group:123",

src/config/sessions/group.ts

@@ -22,26 +22,26 @@ function shortenGroupId(value?: string) {
 export function buildGroupDisplayName(params: {
   provider?: string;
   subject?: string;
-  room?: string;
+  groupChannel?: string;
   space?: string;
   id?: string;
   key: string;
 }) {
   const providerKey = (params.provider?.trim().toLowerCase() || "group").trim();
-  const room = params.room?.trim();
+  const groupChannel = params.groupChannel?.trim();
   const space = params.space?.trim();
   const subject = params.subject?.trim();
   const detail =
-    (room && space
-      ? `${space}${room.startsWith("#") ? "" : "#"}${room}`
-      : room || subject || space || "") || "";
+    (groupChannel && space
+      ? `${space}${groupChannel.startsWith("#") ? "" : "#"}${groupChannel}`
+      : groupChannel || subject || space || "") || "";
   const fallbackId = params.id?.trim() || params.key;
   const rawLabel = detail || fallbackId;
   let token = normalizeGroupLabel(rawLabel);
   if (!token) {
     token = normalizeGroupLabel(shortenGroupId(rawLabel));
   }
-  if (!params.room && token.startsWith("#")) {
+  if (!params.groupChannel && token.startsWith("#")) {
     token = token.replace(/^#+/, "");
   }
   if (token && !/^[@#]/.test(token) && !token.startsWith("g-") && !token.includes("#")) {

src/config/sessions/store.ts

@@ -130,6 +130,14 @@ export function loadSessionStore(
       rec.lastChannel = rec.lastProvider;
       delete rec.lastProvider;
     }
+
+    // Best-effort migration: legacy `room` field → `groupChannel` (keep value, prune old key).
+    if (typeof rec.groupChannel !== "string" && typeof rec.room === "string") {
+      rec.groupChannel = rec.room;
+      delete rec.room;
+    } else if ("room" in rec) {
+      delete rec.room;
+    }
   }
 
   // Cache the result if caching is enabled

src/config/sessions/types.ts

@@ -67,7 +67,7 @@ export type SessionEntry = {
   channel?: string;
   groupId?: string;
   subject?: string;
-  room?: string;
+  groupChannel?: string;
   space?: string;
   deliveryContext?: DeliveryContext;
   lastChannel?: SessionChannelId;