wire mid-roll breaks into schedule engine with chapter-aware splitting

crates/mcp/src/server.rs

@@ -128,13 +128,15 @@ impl KTvMcpServer {
         };
         channels::update_channel(
             &self.channel_cmd_deps,
-            id,
-            self.owner_id,
-            p.name,
-            p.timezone,
-            p.description,
-            schedule_config,
-            gap_filler,
+            channels::UpdateChannelArgs {
+                channel_id: id,
+                owner_id: self.owner_id,
+                name: p.name,
+                timezone: p.timezone,
+                description: p.description,
+                schedule_config,
+                gap_filler,
+            },
         )
         .await
     }