feat: Add dynamic output dialect formatting (XML/Markdown) via MCP configuration

server/src/state.rs

@@ -133,6 +133,7 @@ pub struct MemoryState {
     pub event_bus_tx: tokio::sync::broadcast::Sender<GenericEvent>,
     pub ollama: Arc<crate::ollama::OllamaClient>,
     pub clipboard_cache: Arc<tokio::sync::RwLock<ClipboardCacheState>>,
+    pub dialect: std::sync::RwLock<String>,
 }
 
 impl MemoryState {
@@ -206,6 +207,7 @@ impl MemoryState {
             activity_tx: tokio::sync::broadcast::channel(100).0,
             event_bus_tx: tokio::sync::broadcast::channel(1000).0,
             clipboard_cache: Arc::new(tokio::sync::RwLock::new(ClipboardCacheState::default())),
+            dialect: std::sync::RwLock::new("markdown".to_string()),
         };
 
         // Normalize pre-existing graph entity and relation types