expand MCP tools: browse_library, stats, analyze, preview, suggest, config tools (#17)

crates/domain/src/models/channel.rs

@@ -282,6 +282,13 @@ impl ScheduleConfig {
         &self.day_blocks
     }
 
+    pub fn find_block_mut(&mut self, block_id: BlockId) -> Option<&mut ProgrammingBlock> {
+        self.day_blocks
+            .values_mut()
+            .flatten()
+            .find(|b| b.id() == block_id)
+    }
+
     pub fn insert_day(&mut self, day: Weekday, blocks: Vec<ProgrammingBlock>) {
         self.day_blocks.insert(day, blocks);
     }
@@ -436,6 +443,14 @@ impl ProgrammingBlock {
         self.mid_roll_rule = Some(rule);
         self
     }
+
+    pub fn set_interstitial_rule(&mut self, rule: Option<InterstitialRule>) {
+        self.interstitial_rule = rule;
+    }
+
+    pub fn set_mid_roll_rule(&mut self, rule: Option<MidRollRule>) {
+        self.mid_roll_rule = rule;
+    }
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]