feat(notification): add Feishu notification channel support

app/schemas/message.py

@@ -211,6 +211,8 @@ class NotificationSwitch(BaseModel):
     mtype: Optional[str] = None
     # 微信开关
     wechat: Optional[bool] = False
+    # 飞书开关
+    feishu: Optional[bool] = False
     # TG开关
     telegram: Optional[bool] = False
     # Slack开关
@@ -324,6 +326,24 @@ class ChannelCapabilityManager:
             },
             fallback_enabled=True,
         ),
+        MessageChannel.Feishu: ChannelCapabilities(
+            channel=MessageChannel.Feishu,
+            capabilities={
+                ChannelCapability.INLINE_BUTTONS,
+                ChannelCapability.MESSAGE_EDITING,
+                ChannelCapability.CALLBACK_QUERIES,
+                ChannelCapability.MARKDOWN,
+                ChannelCapability.RICH_TEXT,
+                ChannelCapability.IMAGES,
+                ChannelCapability.LINKS,
+                ChannelCapability.FILE_SENDING,
+            },
+            max_buttons_per_row=3,
+            max_button_rows=8,
+            max_button_text_length=20,
+            max_message_length=30000,
+            fallback_enabled=True,
+        ),
         MessageChannel.WechatClawBot: ChannelCapabilities(
             channel=MessageChannel.WechatClawBot,
             capabilities={