Use measured query-only context across desktop CLI and MCP

crates/searchi-cli/src/mcp.rs

@@ -450,7 +450,7 @@ pub fn serve(
                 "No semantic generation; run explicit indexing/embedding outside MCP first"
             );
 
-            let mut hybrid = HybridSearch::open(&db, models, worker, threads)?;
+            let mut hybrid = HybridSearch::open_query(&db, models, worker, threads)?;
 
             hybrid.warmup()?;