handle the zero tool results in the semantic search

Author: shashi-stackone

src/toolsets.ts

@@ -832,6 +832,11 @@ export class StackOneToolSet {
 					(actionOrder.get(b.name) ?? Number.POSITIVE_INFINITY),
 			);
 
+			// If semantic returned results but none matched MCP tools, fall back to local search
+			if (topResults.length > 0 && matchedTools.length === 0) {
+				return this.localSearch(query, allTools, mergedOptions);
+			}
+
 			return new Tools(matchedTools);
 		} catch (error) {
 			if (error instanceof SemanticSearchError) {