fix: prevent stack overflow in status mode and remove unused variables

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/meta_plugin/program.rs

@@ -41,7 +41,7 @@ impl MetaPluginProgram {
         args: Vec<&str>, 
         meta_name: String, 
         split_whitespace: bool,
-        options: Option<std::collections::HashMap<String, serde_yaml::Value>>,
+        _options: Option<std::collections::HashMap<String, serde_yaml::Value>>,
         outputs: Option<std::collections::HashMap<String, serde_yaml::Value>>,
     ) -> MetaPluginProgram {
         let program_path = which(program);