fix some comments

Author: vjripoll

agent-control/src/agent_type/runtime_config/on_host/package.rs

@@ -41,13 +41,16 @@ pub struct Oci {
 
 #[derive(Debug, Deserialize, Clone, PartialEq)]
 pub struct PostDownloadHook {
-    /// Absolute path to the command/executable (e.g., "/bin/bash", "/usr/bin/python3").
-    /// This is the interpreter or tool that will execute the script.
+    /// Path to the command/executable to run.
+    /// Can be an absolute path (e.g., "/bin/bash") or a command name to search in PATH (e.g., "bash").
+    /// Supports shell interpreters or direct binaries.
     pub path: TemplateableValue<String>,
 
-    /// Arguments passed to the command. First element should be the script path (absolute),
-    /// followed by additional arguments for the script.
-    /// Example: ["install.sh", "--check-dependencies", "--verbose"]
+    /// Arguments passed to the command.
+    /// - When using a shell: first arg is typically the script path, followed by script arguments
+    ///   Example: ["/path/to/install.sh", "--check-dependencies", "--verbose"]
+    /// - When using a binary directly: arguments for that binary (can be empty)
+    ///   Example: ["--flag", "value"] or []
     pub args: Vec<TemplateableValue<String>>,
 
     /// Environmental variables passed to the process.
@@ -123,12 +126,6 @@ impl Templateable for PostDownloadHook {
             .map(|arg| arg.template_with(variables))
             .collect::<Result<Vec<String>, AgentTypeError>>()?;
 
-        if args.is_empty() {
-            return Err(AgentTypeError::OCIReferenceParsingError(
-                "post_download_hook args must have at least 1 element: the script path".to_string(),
-            ));
-        }
-
         let env: HashMap<String, String> = self
             .env
             .into_iter()