refactor: drop legacy room chatType

src/channels/chat-type.test.ts

@@ -8,13 +8,12 @@ describe("normalizeChatType", () => {
     expect(normalizeChatType("dm")).toBe("direct");
     expect(normalizeChatType("group")).toBe("group");
     expect(normalizeChatType("channel")).toBe("channel");
-    expect(normalizeChatType("room")).toBe("channel");
   });
 
   it("returns undefined for empty/unknown values", () => {
     expect(normalizeChatType(undefined)).toBeUndefined();
     expect(normalizeChatType("")).toBeUndefined();
     expect(normalizeChatType("nope")).toBeUndefined();
+    expect(normalizeChatType("room")).toBeUndefined();
   });
 });
-

src/channels/chat-type.ts

@@ -5,7 +5,6 @@ export function normalizeChatType(raw?: string): NormalizedChatType | undefined
   if (!value) return undefined;
   if (value === "direct" || value === "dm") return "direct";
   if (value === "group") return "group";
-  if (value === "channel" || value === "room") return "channel";
+  if (value === "channel") return "channel";
   return undefined;
 }
-