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/config-schema.ts

@@ -91,12 +91,23 @@ const FeishuToolsConfigSchema = z
   .optional();
 
 /**
+ * Group session scope for routing Feishu group messages.
+ * - "group" (default): one session per group chat
+ * - "group_sender": one session per (group + sender)
+ * - "group_topic": one session per group topic thread (falls back to group if no topic)
+ * - "group_topic_sender": one session per (group + topic thread + sender),
+ *   falls back to (group + sender) if no topic
+ */
+const GroupSessionScopeSchema = z
+  .enum(["group", "group_sender", "group_topic", "group_topic_sender"])
+  .optional();
+
+/**
+ * @deprecated Use groupSessionScope instead.
+ *
  * Topic session isolation mode for group chats.
  * - "disabled" (default): All messages in a group share one session
  * - "enabled": Messages in different topics get separate sessions
- *
- * When enabled, the session key becomes `chat:{chatId}:topic:{rootId}`
- * for messages within a topic thread, allowing isolated conversations.
  */
 const TopicSessionModeSchema = z.enum(["disabled", "enabled"]).optional();
 
@@ -108,6 +119,7 @@ export const FeishuGroupSchema = z
     enabled: z.boolean().optional(),
     allowFrom: z.array(z.union([z.string(), z.number()])).optional(),
     systemPrompt: z.string().optional(),
+    groupSessionScope: GroupSessionScopeSchema,
     topicSessionMode: TopicSessionModeSchema,
   })
   .strict();
@@ -153,6 +165,8 @@ export const FeishuAccountConfigSchema = z
     connectionMode: FeishuConnectionModeSchema.optional(),
     webhookPath: z.string().optional(),
     ...FeishuSharedConfigShape,
+    groupSessionScope: GroupSessionScopeSchema,
+    topicSessionMode: TopicSessionModeSchema,
   })
   .strict();
 
@@ -171,6 +185,7 @@ export const FeishuConfigSchema = z
     dmPolicy: DmPolicySchema.optional().default("pairing"),
     groupPolicy: GroupPolicySchema.optional().default("allowlist"),
     requireMention: z.boolean().optional().default(true),
+    groupSessionScope: GroupSessionScopeSchema,
     topicSessionMode: TopicSessionModeSchema,
     // Dynamic agent creation for DM users
     dynamicAgentCreation: DynamicAgentCreationSchema,