feat: add options to meta plugins

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

src/meta_plugin/program.rs

@@ -18,6 +18,7 @@ pub struct MetaPluginProgram {
     item_id: Option<i64>,
     result: Option<String>,
     outputs: std::collections::HashMap<String, serde_yaml::Value>,
+    options: std::collections::HashMap<String, serde_yaml::Value>,
 }
 
 impl std::fmt::Debug for MetaPluginProgram {
@@ -31,6 +32,7 @@ impl std::fmt::Debug for MetaPluginProgram {
             .field("process", &self.process)
             .field("writer", &"Box<dyn Write>")
             .field("outputs", &self.outputs)
+            .field("options", &self.options)
             .finish()
     }
 }
@@ -56,6 +58,14 @@ impl MetaPluginProgram {
             }
         }
 
+        // Start with default options
+        let mut final_options = std::collections::HashMap::new();
+        if let Some(opts) = _options {
+            for (key, value) in opts {
+                final_options.insert(key, value);
+            }
+        }
+        
         MetaPluginProgram {
             program: program_path.map_or_else(|_| program.to_string(), |p| p.to_string_lossy().to_string()),
             args: args.iter().map(|s| s.to_string()).collect(),
@@ -67,6 +77,7 @@ impl MetaPluginProgram {
             item_id: None,
             result: None,
             outputs: final_outputs,
+            options: final_options,
         }
     }
     
@@ -187,4 +198,12 @@ impl MetaPlugin for MetaPluginProgram {
     fn default_options(&self) -> std::collections::HashMap<String, serde_yaml::Value> {
         std::collections::HashMap::new()
     }
+    
+    fn options(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {
+        &self.options
+    }
+    
+    fn options_mut(&mut self) -> &mut std::collections::HashMap<String, serde_yaml::Value> {
+        &mut self.options
+    }
 }