feat(feishu): support sender/topic-scoped group session routing (openclaw#17798) thanks @yfge

Verified:
- pnpm build
- pnpm check
- pnpm test:macmini

Co-authored-by: yfge <1186273+yfge@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

extensions/feishu/src/channel.ts

@@ -101,6 +101,10 @@ export const feishuPlugin: ChannelPlugin<ResolvedFeishuAccount> = {
           items: { oneOf: [{ type: "string" }, { type: "number" }] },
         },
         requireMention: { type: "boolean" },
+        groupSessionScope: {
+          type: "string",
+          enum: ["group", "group_sender", "group_topic", "group_topic_sender"],
+        },
         topicSessionMode: { type: "string", enum: ["disabled", "enabled"] },
         historyLimit: { type: "integer", minimum: 0 },
         dmHistoryLimit: { type: "integer", minimum: 0 },