Implement global codebase vector indexing

server/src/main.rs

@@ -12,6 +12,7 @@ mod models;
 mod router;
 mod search;
 pub mod embedding;
+pub mod indexer;
 mod state;
 mod store;
 mod tools;
@@ -131,6 +132,10 @@ async fn run_server(state: Arc<MemoryState>) -> Result<(), Box<dyn std::error::E
         state_for_index.rebuild_index().await;
         tracing::info!("Index rebuild complete.");
     });
+    
+    // Start the global codebase indexer
+    crate::indexer::start_background_indexer(Arc::clone(&state)).await;
+
     tokio::spawn(index_committer_worker(Arc::clone(&state)));
     tokio::spawn(ttl_sweeper_worker(Arc::clone(&state)));
     crate::clipboard_watcher::spawn_watcher(Arc::clone(&state));