fix: standalone argument for use aws (#733)

Author: dingfeli

crates/q_cli/src/cli/chat/tools/tool_index.json

@@ -71,7 +71,7 @@
   },
   "use_aws": {
     "name": "use_aws",
-    "description": "Make an AWS CLI api call with the specified service, operation, and parameters. All arguments MUST conform to the AWS CLI specification.",
+    "description": "Make an AWS CLI api call with the specified service, operation, and parameters. All arguments MUST conform to the AWS CLI specification. Should the output of the invocation indicate a malformed command, invoke help to obtain the the correct command.",
     "input_schema": {
       "type": "object",
       "properties": {
@@ -85,7 +85,7 @@
         },
         "parameters": {
           "type": "object",
-          "description": "The parameters for the operation. The parameter keys MUST conform to the AWS CLI specification. You should prefer to use JSON Syntax over shorthand syntax wherever possible."
+          "description": "The parameters for the operation. The parameter keys MUST conform to the AWS CLI specification. You should prefer to use JSON Syntax over shorthand syntax wherever possible. For parameters that are booleans, prioritize using flags with no value. Denote these flags with flag names as key and an empty string as their value. You should also prefer kebab case."
         },
         "region": {
           "type": "string",

crates/q_cli/src/cli/chat/tools/use_aws.rs

@@ -52,7 +52,10 @@ impl UseAws {
         command.arg(&self.service_name).arg(&self.operation_name);
         if let Some(parameters) = self.cli_parameters() {
             for (name, val) in parameters {
-                command.arg(name).arg(val);
+                command.arg(name);
+                if !val.is_empty() {
+                    command.arg(val);
+                }
             }
         }
         let output = command
@@ -110,7 +113,14 @@ impl UseAws {
         if let Some(parameters) = &self.parameters {
             queue!(updates, style::Print("Parameters: \n".to_string()))?;
             for (name, value) in parameters {
-                queue!(updates, style::Print(format!("- {}: {}\n", name, value)))?;
+                match value {
+                    serde_json::Value::String(s) if s.is_empty() => {
+                        queue!(updates, style::Print(format!("- {}\n", name)))?;
+                    },
+                    _ => {
+                        queue!(updates, style::Print(format!("- {}: {}\n", name, value)))?;
+                    },
+                }
             }
         }