Refactor vector search to utilize Qdrant VectorDB

server/src/main.rs

@@ -13,6 +13,7 @@ mod router;
 mod search;
 pub mod embedding;
 pub mod indexer;
+pub mod vector_db;
 mod state;
 mod store;
 mod tools;
@@ -545,6 +546,18 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     rt.block_on(async {
         let state = Arc::new(MemoryState::new(&base.to_string_lossy()));
+        
+        // Initialize Qdrant VectorDB (default local URL)
+        match crate::vector_db::VectorDB::new("http://localhost:6334", "mcp_memory").await {
+            Ok(vdb) => {
+                tracing::info!("Successfully connected to Qdrant vector database");
+                *state.vector_db.write().await = Some(vdb);
+            }
+            Err(e) => {
+                tracing::warn!("Failed to initialize Qdrant vector database: {}. Vector search will fallback to manual embedding loop. (Is Qdrant running on localhost:6334?)", e);
+            }
+        }
+        
         if let Err(e) = run_server(state).await {
             tracing::error!("Server error: {}", e);
         }