feat: update meta plugin constructors to accept options and outputs

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/meta_plugin/program.rs

@@ -36,9 +36,25 @@ impl std::fmt::Debug for MetaPluginProgram {
 }
 
 impl MetaPluginProgram {
-    pub fn new(program: &str, args: Vec<&str>, meta_name: String, split_whitespace: bool) -> MetaPluginProgram {
+    pub fn new(
+        program: &str, 
+        args: Vec<&str>, 
+        meta_name: String, 
+        split_whitespace: bool,
+        options: Option<std::collections::HashMap<String, serde_yaml::Value>>,
+        outputs: Option<std::collections::HashMap<String, serde_yaml::Value>>,
+    ) -> MetaPluginProgram {
         let program_path = which(program);
         let supported = program_path.is_ok();
+        
+        // Start with default outputs
+        let mut final_outputs = std::collections::HashMap::new();
+        final_outputs.insert(meta_name.clone(), serde_yaml::Value::String(meta_name.clone()));
+        if let Some(outs) = outputs {
+            for (key, value) in outs {
+                final_outputs.insert(key, value);
+            }
+        }
 
         MetaPluginProgram {
             program: program_path.map_or_else(|_| program.to_string(), |p| p.to_string_lossy().to_string()),
@@ -50,9 +66,14 @@ impl MetaPluginProgram {
             writer: None,
             item_id: None,
             result: None,
-            outputs: std::collections::HashMap::new(),
+            outputs: final_outputs,
         }
     }
+    
+    pub fn new_simple(program: &str, args: Vec<&str>, meta_name: String, split_whitespace: bool) -> MetaPluginProgram {
+        Self::new(program, args, meta_name, split_whitespace, None, None)
+    }
+}
 }
 
 impl MetaPlugin for MetaPluginProgram {