feat: Add tool annotations for improved LLM tool understanding (#549)

Co-authored-by: triepod-ai <199543909+triepod-ai@users.noreply.github.com>

src/services/mcpService.ts

@@ -1141,6 +1141,10 @@ Available servers: ${serversList}`,
             },
             required: ['query'],
           },
+          annotations: {
+            title: 'Search Tools',
+            readOnlyHint: true,
+          },
         },
         {
           name: 'call_tool',
@@ -1161,6 +1165,10 @@ Available servers: ${serversList}`,
             },
             required: ['toolName'],
           },
+          annotations: {
+            title: 'Call Tool',
+            openWorldHint: true,
+          },
         },
       ],
     };